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Alaska Oil and Gas Conservation Commission
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HomeMy WebLinkAbout1997 Endicott Oil PoolBP EXPLORATION
December 16, 1998
Dave Johnston, Chairman
Alaska Oil and Gas Conservation Commission
3001 Porcupine Drive
Anchorage, Alaska 99501
BP Exploration (Alaska) Inc.
900 East Benson Boulevard
P.O. Box 196612
Anchorage, Alaska 99519-6612
(907) 561-5111
RE: Year End 1997 Endicott Oil Pool - Reservoir Surveillance Report
Dear Mr. Johnston:
Attached is the 1997 annual Endicott Reservoir Surveillance Report. This report is a
compilation of three reports tracking the Key Well Pressure Program, Key Well Gas -Oil
Contact Monitoring Program, and the Waterflood Surveillance Program.
As in the past, BP Exploration extends an offer to brief the AOGCC regarding the
reservoir depletion status and future plans for the pool- Please advise Susan Brown at
564-4375 concerning a convenient time for a meeting or if there are any other questions.
Sincerely'
_ G "yam
11.1
C. Graham Stewart
Team Leader. Endicott
MAM
cc: Working Interest Owners
1997 Reservoir Surveillance Report
Endicott Oil Pool
October, 1998
Waterflood Surveillance Program
Key Well Pressure Monitoring Program
GOC Monitoring Program
1997 Endicott Reservoir Surveillance Report
Table of Contents
Page 1
Waterflood Surveillance Program:
Table 2
Introduction
Page 2
Project Status Summary
Page 2
Injection Well Performance
Page 3
Waterflood Tracer
Page 3
Future Waterflood Plans
Page 4
Cn.Jinn" M-1,4 \A/nll Dln+ /hin hGn htinn inic.nknrc\
Gini . 1
Summary Of Pertinent Data
Table 1
Reservoir Balance For Waterflood Sands
Table 2
Injection Well Data
Table 3
Waterflood Tracer Plat
Figure 2
Pressure Monitoring Program:
Introduction
Page 5
1997 Pressure Monitoring Program
Page 5
1997 Pressure Monitoring Program
Page 6
Endicott Field Well Plat (highlighting Key Wells)
Figure 3
1997 Key Well Pressure Monitoring Program
Table 4
1997 Key Well Pressure Data
Table 5
1997 Key Well Pressure Monitoring Program
Table 6
GOC Monitoring Program:
Introduction
Page 7
1997 Gas -Oil Contact Monitoring Program
Page 8
1997 GOC Monitoring Program
Page 8
Endicott Field Well Plat (highlighting Key Wells)
Figure 4
Gas -Oil Contact Monitoring Program
Table 7
Appendices:
1. Production Rate vs Time Plots
2. Cumulative Crude Production & Percent Recovered vs Time Plots
3. Cumulative Voidage & Reservoir Pressure vs Time Plots
4. Injection Well Rate & Pressure vs Time Plots
5. Endicott Oil Field Historical Key Well Pressure Data
6. Pressure vs Time Endicott Field
Endicott Oil Field
1997 Waterflood Surveillance Program
Introduction
Conservation Order 202 Rule 12 approved a field wide waterflood project for the Endicott
reservoir. The waterflood was to be implemented within two years of regular production
and a waterflood plan submitted three months before actual water injection began. By
letter, dated June 15, 1988, the plan to implement the field wide waterflood was approved
and semi-annual pressure maintenance project reports stipulated. The Endicott
Waterflood development was recognized as complete and fully operational by letter, dated
January 11, 1991, and annual waterflood surveillance reporting was approved. This
document constitutes the report for 1997.
Project Status Summary
Production and gas re-injection was initiated in October 1987. Water injection was initiated
in February 1988. This report summarizes the cumulative effects of pressure maintenance
since field start-up and details activities in 1997.
Figure 1 shows a map of the field with current well statuses including the existing water
injectors, gas injectors and oil producers. Well service additions and changes from the last
report date include:
• 2-46A/R-10
Sidetracked & suspended MPI 3C producer
• 1-17A/1-17
Sidetracked & completed MPI 3A producer
• 1-09A/L-21
Sidetracked & completed MPI Z1 producer
• 3-49A/M-40
Sidetracked & completed SDI 3C production
• 1-25A/K-22
Sidetracked & completed MPI Z1 producer
• 3-39A/1-37
Sidetracked & completed SDI 2A/Z1 producer
• 3-17B/M-31
Sidetracked & completed SDI 3A producer
• 2-46B/S-13
Sidetracked & completed MPI 3C producer
• 2-44A/Q-11
Sidetracked & completed MPI 3C producer
(01/97)
(02/97)
(03/97)
(04/97)
(05/97)
(06/97)
(07/97)
(09/97)
(11/97)
Table 1 summarizes total production, injection, and well count data for the entire pool
through December 1997.
2
Table 2 details the reservoir balances by area and subzone through December 1997. The
three areas are fault blocks which are identified as the MPI (Main Production Island area),
the SDI (Satellite Drilling Island area), and the NFB (Niakuk Fault Block). The NFB is
included in with the MPI on Table 3 for simplicity. There are six subzones (3C, 3B, 3A, 2B,
2A, 1) which are the general geological subdivisions within the Kekiktuk formation.
Appendix 1 provides graphs of Production and Gas/Oil Ratio versus Time by area and
subzone.
Appendix 2 provides graphs of Cumulative Crude Production and Percent Original Oil in
Place (OOIP) Recovered versus Time by area and subzone.
Appendix 3 provides graphs of Cumulative Voidage and Reservoir Pressure versus Time
by area and subzone.
Injection Well Performance
Table 3 provides an overview of the performance of each of the pressure maintenance
injectors. Included in this exhibit are the start-up dates, cumulative injection volumes, and
current target injection rates.
Appendix 4 provides graphs of the injection rates, injectivity index, and wellhead pressure
versus time for each of the active injectors.
Waterflood Tracer
The waterflood tracer program was started in 1988. A total of 19 water injectors have been
traced: 3 in 1988, 8 in 1989, 6 in 1991, and 3 in 1996 (well 2-44/R-12 was traced with two
different tracers). The program has been very successful in identifying the progress of the
waterflood as depletion matures. Numerous interventions have been implemented on
producers and injectors to improve ultimate recovery.
Figure 2 is an Endicott well plat showing the dates and types of tracers injected and the
producing locations where the tracer has appeared.
3
Future Waterflood Plans
In 1998 there are no plans to trace additional water injectors. Forty-three wells will be
monitored for tracer, and fifteen wells will be monitored for sea water breakthrough.
Reservoir pressure and gas and water movement will continue to be closely monitored
through logging, mechanical isolations, and well testing. Changing pressure maintenance
needs will continue to be met through new well drilling, converting producers to injectors,
profile modification of existing injectors, and target injection rate control. Offtake will
continue to be optimized through new well drilling, remedial work on existing producers,
and production rate control.
4
22
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Y0191
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BP EXPLORATION (ALASKA) INC.
WELL STATUS
ENDICOTT FIELD
FIGURE 1 SCALE: DATE:
1" = 4000' 04/01/98
7
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,t���)w
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•
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waroNE1
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TABLE 1
ENDICOTT OIL POOL
SUMMARY OF PERTINENT DATA
(as of December 31, 1997)
Water Injection Start-up: February 29, 1988
Endicott Production since Field Start -Up:
Black Oil and Condensate (MMSTB) 350.7
NGL's (MMSTB) 11.6
Gas (BSCF) 896.3
Water (MMB) 261.1
Endicott Injection since Field Start -Up:
Gas (BSCF) 764.6
Water (MMB) 560.6'
Wells in Operation:
Oil Producers 59
Gas Injectors 5
Water Injectors 24
Waste Water Disposal 1 "
Total 89
Water injection volumes do not include Cretaceous injection
Cretaceous injector not shown in Exhibit 1
E
TABLE 2
ENDICOTT OIL POOL
i
RESERVOIR BALANCE FOR WATERFLOOD
SANDS
Throughl2/31/97
(Values in MMRB)
MPI REGION by SUBZONE
Produced Volume
2c-
3B
3A 2B
2A
1
MPI TOTAL
Oil
23.19
4.21
59.37 66.29
115.15
2.13
270.34
Free Gas
27.08
3.88
72.58 91.64
129.28
1.23
325.32
Water
8.54
028
33_77 32.67
44_54
0_3
122.8
Total
58.81
11.37
165.72 190.6
288.97
3.66
718.46
Infected Volumes
Gas
46.41
0.48
128.08 125.25
179.84
0.00
479.53
Water
18.39
7_63
79.81 7272=18
74.98
0.00
253
Total
64.8
8.11
207.89 197.43
254.82
0.00
732.53
Net Voidage Volumes
Total
-7.4
3.44
-45.83 -11.39
26.56
3.61
-31.39
SDI REGION by SUBZONE
Produced Volume
3C
3B
3A 2B
2A
1
SDI TOTAL
Oil
45.43
14.03
29.54 77.34
37.01
0.06
203.4
Free Gas
46.12
11.35
3.95 14.45
38.59
0.09
113.48
Water
27_42
11.47
22.48 52.33
32.39
02
146.11
Total
118.97
36.85
55.97 144.12
107.99
0.17
462.99
Injected Volumes
Gas
51.55
0.48
0 0
0
0
52.03
Water
§g,;i
30.5
48.16 127.82
55_59
0
324.26
Total
113.75
30.98
48.16 127.82
55.59
0
376.29
Net Voidage Volumes
Total
2.83
5.34
7.45 15.35
50.45
0.16
80.51
FIELD TOTALS by SUBZONE
OC
3B
3A M
2A
1
FIELD TOTAL
Produced Volume
Oil
68.62
18.24
88.9 143.63
152.16
2.19
473.74
Free Gas
73.18
15.22
76.36 105.43
167.7
1.33
438.71
Water
35.95
14.75
56.25 85
76.94
0.32
268.92
Total
177.75
48.21
221.51 334.06
396.8
3.84
1181.37
Injected Volumes
Gas
97.97
0.48
128.02 125.25
179.84
0
531.56
Water
80.59
38.13
127.98 2M
130.57
Q
577.27
Total
178.56
38.61
256 325.25
310.41
0
1108.83
Net Voidage Volumes
Total
-4.6
8.77
-38.54 3.31
76.83
3.78
49.03
NOTE: Water injection volumes do not include Cretaceous injection
9/30/98
97 AOGCC Table 2.XLS
Table 3
Endicott Oil Pool
Injection Well Data
Through 12/31/97
Note: Water injection volumes do not include Cretaceous injection.
Sidetracked in 9/97
" Converted to production in 4/96
+ SI since 4/97
7/30/98 97 AOGCC Table 3.XLS
Target
Target
Cumulative Cumulative Start -Up
Well Name
MBWPD
MMSCFGPD
MMBW
BSCFG
Date
MPI Reservoir
Area
1-05/0-20
70.00
0.00
187.36
May -88
1-23/0-15
23.00
16.36
0.00
Mar -95
1-37/P-24
11.00
21.81
0.00
Dec -87
1-41/0-23
16.00
9.87
0.00
Dec -95
2-06/J-22
140.00
0.00
255.78
Oct -87
2-12/Q-16
30.00
0.00
67.93
Apr -93
2-16/M-16
18.50
34.34
0.00
Mar -89
2-22/L-14
15.00
28.29
0.00
May -89
2-24/M-12
6.00
2.25
0.00
Mar -95
2-34/P-14
22.00
28.44
0.00
Nov -89
*2-44/R-12
0.00
21.16
0.00
Mar -89
2-54/Q-12
20.00
33.53
0.00
Jan -92
2-64/U-10
2.50
0.99
0.00
Dec -90
2-70/U-15
5.00
14.21
0.00
Jul -89
5-01/SD-07
100.00
0.00
190.72
Oct -87
5-02/SD-10
15.50
36.49
0.00
Jan -88
SDI Reservoir
Area
1-15/13-25
40.00
0.00
76.15
Jun -93
1-43/P-26
10.00
63.61
0.00
Apr -89
1-51N-20
3.00
4.52
0.00
Apr -93
1-69N-19
3.00
10.22
0.00
Dec -90
3-07/N-28
17.00
44.41
0.00
Apr -89
3-41/K-39
21.50
65.06
0.00
Apr -89
345/M-39
10.00
24.32
0.00
Sep -88
3-47/Q-35
6.00
6.12
0.00
Mar -95
** 4-02/Q-28
0.00
8.48
0.00
May -88
4-04rr-26
8.00
21.69
0.00
Mar -90
4-08/13-27
10.00
17.32
0.00
May -93
4-14/R-34
5.00
32.64
0.00
Oct -89
4-40/P-43
5.00
6.97
0.00
Oct -92
+ 4-48/K-43
0.00
11.95
0.00
Dec -90
Total
253.00
380.00
565.05
777.94
Note: Water injection volumes do not include Cretaceous injection.
Sidetracked in 9/97
" Converted to production in 4/96
+ SI since 4/97
7/30/98 97 AOGCC Table 3.XLS
M
MIDFIELD FAUL
OPROD WELL
0 INJ/PREVIOUS PROD
INJ WELL
P&A WELL
ENDICOTT FIELD
nWYNIIMFUMD 4G3G°Q(UER PT oODG3L m
W
Tritium
• Ammonium
Colbalt-57
Thiocynanate (SCN)
• Mg & SO4
• Sodium Benzoate (P-14)
OSodium 22
• Potassium Hexacyanocobaltate
OCarbon-14/SCN
O Carbon-14APA
Colbalt 60
1989 Program
I
1-21
K-25
MPI r-, �rlct"
4-
qRi
M-28
"
vqY
M.MIIIOOI1.nd9a0198
j FIGURE 2
1988 Program
Well
Tracer
137/P-24
Coba1460
4102/428
Carbo 14/SCN
502/5610
Tritium
1989 Program
Well
Tracer
2-16%1.16
Carbon-14/SCN
2-22/L-14
Cobalt -60
2-44/R-12
Tritium
2-70 J-15
Colbalt30
3074-28
Cobak-57
341439
Tritium
3454439
Cobakfi0
4-14/R34
Carbon-140SCN
1991 Program
Well
Tracer
1$3/V-19
Carbon-14/SCN
4-"T-26
Tlfium
4AW(-03
Carton 14/SCN
143P-26
Ammonium Thic
234tP-14
Arrxrgnium Thic
2C4/R-12
Solum Benzoa
vqY
M.MIIIOOI1.nd9a0198
j FIGURE 2
19%Program
Well Tracer
1-230415 Solum 22
-WP -27 Carbon-14/IPA
—A�4
4.409-43 Potassium Hew
vqY
M.MIIIOOI1.nd9a0198
j FIGURE 2
Endicott Oil Field
1997 Pressure Monitoring Key Well Program
Introduction
A pressure monitoring key well program was submitted to and approved by the AOGCC in
Administrative Approval No. 202.5. This program supersedes the requirements of
Conservation Order 202, Rule 6(c), and complies with Conservation Order 202, Rule 6(d).
The pressure monitoring program key wells were chosen to provide a real coverage of
reservoir pressure in each of the major subzones in the two production areas of the
reservoir. Historically, the Key Well Program has included at least two points of pressure
measurement for each of the producing subzones, one from each MPI and SDI area, to
ensure that a valid picture of reservoir pressure behavior can be drawn.
Sixteen wells were identified as key wells to track pressure variation within the five major
subzones in each of the two main producing areas of the reservoir. Changes have been
made through time as reservoir and well characteristics changed in order to provide
representative data. Much more reservoir pressure data, other than the key well data, is
gathered to address specific well and reservoir surveillance needs.
Figure 3 is an Endicott well plot showing the location of the sixteen 1997 Key Well reservoir
pressures.
1997 Pressure Monitoring Program
Table 4 summarizes the wells included in the Proposed 1997 Key Well Program. The 1997
program consisted of sixteen key wells, the total key well count remaining constant from
1997.
Table 5 summarizes the key well pressure data gathered in 1997. No substitutions from
the proposed program were made in 1997 due to operational and/or reservoir
considerations.
Appendix 5 lists, by subzone, all current and former key wells with the reservoir pressures
obtained since field start-up. These pressures are adjusted to a datum depth of 10,000
feet TVDSS, as is customary in our state pressure reporting.
5
Appendix 6 plots, by subzone and area, key well reservoir pressures along with all other
reservoir pressure surveys. Generally speaking there is good agreement between the key
well reservoir pressures and other pressure gathered around the field. There are a few
exceptions where wells are in small pressure isolated regions.
1998 Pressure Monitoring Program
The Endicott Key Well Pressure Monitoring Program has been successful in establishing
and monitoring pressure trends within each of the major subzones. Changes in well
service and configuration necessitate changes in the 1997 program in order to obtain
representative data. BPX recommends that the 1997 Pressure Monitoring Key Well
Program for Endicott increase to seventeen wells to include a Zone 1 pressure
measurement. These seventeen key wells should provide representative locations to
evaluate and confirm pressure trends in each of the major subzones. Following are the
changes made from the 1997 program:
• 1-25A/K-22 has been added as a Zone 1 reservoir pressure monitor well.
• 3-39A/1-37 has replaced 3-15/K-33 as the subzone 2A monitor well since opportunities
exist to produce additional zones within 3-15/K-33.
• 3-33/K-37 has replaced 3-39/J-39 since 3-39/J-39 has been side-tracked to a new
location within the reservoir.
Table 6 summarizes proposed 1998 Endicott key well pressure monitoring program
proposal.
As in past years, the amount of static pressure data obtained annually will likely exceed the
seventeen wells included in the proposed 1998 Key Well Pressure Monitoring Program. At
the operators discretion, representative reservoir pressures gathered in other wells during
1998 might be substituted for the proposed key wells to minimize production impacts or for
operational necessity. As the field matures, we will be increasingly challenged with
managing this need for additional pressure data while minimizing the cost and associated
production impacts.
Ce
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I
BP EXPLORATION (ALASKA) INC.
1997 KEY WELL
RESERVOIR PRESSURE DATA
ENDICOTf FIELD
FIGURE 3 SCALE: DATE:
1 = 4000' 04/01/98
Y0191
ISLAND
• jg ci"�rex • Os�.�
w®n.m • ..s.unei
x
+ �•` SU�pXEYB mme.ur
H O
9UROIE N
30 -• ree•mnwmm
• SUMME 1
sc
`,'�V�e • TOG9.0.FFbLMf O
L.�
FAULU
O 32 I 33
J�JR:
4^ A � t•4
:o
e
■
1997 KEY WELL PRESSURE MONITORING PROGRAM PROPOSAL
ENDICOTT FIELD
TABLE 4
Well Area Subzone(s) Comments
1-01/J-19
Niakuk
2A
Commingled 2A / 1 pressure
2-18/L-16
Niakuk
3A
Single zone high angle well
2-26/N-14
Niakuk
313/3C
Commingled pressure.
1-31/M-21
MPI
2A
Cement cap isolating 2A
1-61/Q-20
MPI
26
Single zone high angle well
1-39/P-17
MPI
3A
Lower 3A monitor point.
2-42/P-13
MPI
3B
Lower 3A monitor point
2-52/S-14
MPI
3B/3C
Commingled pressure.
2-58/S-09
MPI
3C
Eastern area
3-39/J-39
SDI
2B
Cement cap isolating 2A
3-15/K-33
SDI
2A
3-35/L-36
SDI
3A
Upper 3A monitor point
4-32/K-38
SDI
3A
Lower 3A monitor point
3-23/N-32
SDI
3B
4-18/S-30
SDI
3C
Eastern area
1-57/R-23
SDI
3C
Western area
97 AOGCC Table 4.xls
1997 KEY WELL PRESSURE MONITORING PROGRAM DATA
ENDICOTT OIL FIELD
TABLE 5
Well Area Subzone(s) Pressures
1-01/J-19
Niakuk
2A
4412 psia
2-18/L-16
Niakuk
3A
4678 psia
2-26/N-14
Niakuk
36/3C
2407 psia
1-31/M-21
MPI
2A
4465 psia
1-61/Q-20
MPI
2B
4582 psia
1-39/P-17
MPI
3A
4709 psia
2-42/P-13
MPI
3B
5348 psia
2-52/S-14
MPI
3B/3C
5408 psia
2-58/S-09
MPI
3C
2498 psia
3-15/K-33
SDI
2A
4429 psia
3-39/J-39
SDI
2B
4541 psia
4-32/K-38
SDI
3A (Lower)
4394 psia
3-35/L-36
SDI
3A (Upper)
4806 psia
3-23/N-32
SDI
3B
4480 psia
4-18/S-30
SDI
3C
5218 psia
1-57/R-23
SDI
3C
5005 psia
97 AOGCC Table 5.XLS
1998 KEY WELL PRESSURE MONITORING PROGRAM PROPOSAL
ENDICOTT FIELD
TABLE 6
Well Area Subzone(s) Comments
1-25A/K-22
1-01/J-19
Niakuk
2A
Commingled 2A / 1 pressure
2-18/L-16
Niakuk
3A
Single zone high angle well
2-26/N-14
Niakuk
3B/3C
Commingled pressure.
1-33/M-23
MPI
2A
1-61/Q-20
MPI
2B
Single zone high angle well
1-39/P-17
MPI
3A
Lower 3A monitor point.
2-42/P-13
MPI
3B
Lower 3A monitor point
2-52/S-14
MPI
3B/3C
Commingled pressure.
2-58/S-09
MPI
3C
Eastern area
3-39A/1-37
SDI
2A
3-33/K-37
SDI
2B
3-35/L-36
SDI
3A
Upper 3A monitor point
4-32/K-38
SDI
3A
Lower 3A monitor point
3-23/N-32
SDI
36
4-18/S-30
SDI
3C
Eastern area
1-57/R-23
SDI
3C
Western area
Notes on changes between the 1997 and 1998 proposed programs:
" 1-25A/K-22 has been added as a Zone 1 reservoir pressure monitor well.
* 1-33/M-23 has replaced 1-31/M-21 to minimize production impacts for MPI 2A.
• 3-39A/1-37 has replaced 3-15/K-33 since opportunities exist to produce additional zones
within the well.
• 3-33/K-37 has replaced 3-39/J-39 since the well has been side-tracked to a new location
within the reservoir.
97 AOGCC Table 6.XLS
Endicott Oil Field
1997 GOC Monitoring Key Well Program
Introduction
A GOC (Gas - Oil Contact) Monitoring Key Well Program was submitted for the Endicott
Field in October 1988, one year after field start-up in accordance with AOGCC
Conservation Order 202, 9(c). At that time, BP Exploration sought, and received a waiver
(Administrative Approval Order 202.5) from the State of Alaska, to initiate the key well
program for Endicott on a subzone basis for each of the three distinct reservoir
development areas of the field. Administrative Order No. 232.1 provided an exemption for
key well GOC monitoring in Sections 1, 3, 7, 9, 10, and 35 of the field as being outside a
real gas cap limits of the reservoir.
The key well program for Endicott is based on the understanding of a limited ability to
monitor fieldwide, gas cap movement. A scarcity of wells and limited lateral offset from gas
severely restricts the use of time lapse cased -hole logging as a viable tool to predict gas
movements at Endicott. It is recognized that narrow hydrocarbon corridors caused by a
relatively steep 6 degree structural dip combined with sands separated by thick laterally
continuous shales promotes under -running as a common gas movement mechanism. In
addition to the continuous shales that separate the reservoir into six vertically isolated
subzones, major east -west trending fault offsets provide either lateral hydraulic isolation or
partial pressure communication between the three main Endicott development areas.
Key wells were designed to focus on the 3A and 2B subzones, the more massive high
quality sands where more regional GOC effects could be noted. Key wells to monitor gas
movement in the 2A (MPI), 3B, and 3C are not practical due to the close proximity to gas
and complex stratigraphy (shaliness), respectively. In these cases, it is highly doubtful time
lapse logging would provide meaningful data with respect to regional GOC movements.
Six key wells were originally proposed and approved for GOC monitoring; 1-01/J-19, 1-
09/J-18, 1-27/P-20, 1-29/M-25, 2-04/M-19, 3-01/N-29. Waivers from continued GOC
monitoring have been received for three of the key wells due to gas influx from maturing
reservoir depletion. Following are the wells no longer monitored:
• 1-09/J-19 : 3A gas under -run.
• 2-04/M-19 : 2B gas under -run.
• 3-01/N-29 : Completed as 3A & 2B producer after waterflood response.
7
Figure 4 is an Endicott well plot showing the six GOC Monitoring Program wells.
1997 GOC Monitoring Program
During 1997, a total of 19 cased - hole pulsed and compensated neutron logs (PNL / CNL)
were acquired, including the three key well surveys. These logs are routinely used for
reservoir surveillance and diagnosing well problems in order to develop reservoir
management plans and remedial interventions. Following is a list of the wells from which
neutron logs were acquired during 1997:
Well
oca ton
Well
Location
7
1-17A/1-17
NFB
3-Il/M-30
SDI
1-19/1-18
NFB
3-15/K-33
SDI
1-27/P-20*
MPI
3-23/N-32
SDI
1-29/M-25*
MPI
3-25/M-27
MPI
1-31/M-21
MPI
3-39A/1-37
SDI
1-33/M-23
MPI
4-10/M-28
MPI
2-04/M-19
MPI
4-20/M-35
SDI
2-36/0-14
MP[
4-38/K-34
SDI
3-01/N-29
SDI
I
I ota
ey e s
Table 7 details the history of pulsed neutron log observations in the six GOC key wells,
including the 1997 observations. Three of the six original key wells continue to provide
useful gas -oil contact movement information, as gathered through time lapsed cased hole
neutron logging. Note the use of the CNL is precluded in all wells except 1-27/P-20 due to
size restrictions of down -hole completion equipment employed at Endicott. The table also
identifies GOC movement and gas influx by under -running major shales within Subzones
3A and 2B.
1998 GOC Monitoring Program
The Endicott GOC Monitoring Key Well Program has been successful in establishing
baseline and repeat PNL / CNL surveys to monitor and document rates of gas cap
movement and gas under -runs in the six key wells. BPX recommends that the 1998 GOC
Key Well Program continue with the three remaining key wells; 1-01/J-19, 1-27/P-20, 1-
29/M-25. Production logging and down -hole mechanical isolation of gas prone intervals
has also provided a means to monitor gas influx. Together, these tools constitute an
effective means to monitor gas movement at Endicott.
3
r.2223 24
I
o -
77
384
O a 40
H W
BP EXPLORATION (ALASKA) INC.
1997 ENDICOTT
GOC MONITORING PROGRAM
ENDICOTT FIELD
FIGURE 4 SCALE: DATE:
1'= 4000' 04/01/98
ivw v.vyi �
Yo1S1
• ISLAND
wa 30
L.�
tin I.
Rp„
32 W
7
DUCK IS.
1&2
1988-97 GOC KEY WELLS
":=? 1988-94 GOC KEY WELLS
1988-91 GOC KEY WELLS
3
I
WELL
GOC SUBZONE
DATE OF BASELINE
1-01/J-19
2B
31 -Jan -89
1.09/J-18
3A
IIJan-88
MONITOR SURVEYS
GCX (25)/GUR(2B3)
GCX (25)
1
2 -Jan -90
14 -Jan -88
NM
NM, OUR (2A3)
NM
2
13 -Feb -91
1 -Feb -89
NM, OUR (283)
GCX (5') ,GUR (2A3) -
GCX (4'),GUR(2B5)
3
31 -Jan -91
14 -Feb -90
NM,GUR (2B3)
GCX (4), OUR (2A3)
GCX (10'), GUR(2B5)
4
29 -Mar -93
24 -Feb -91
NM, OUR (2B3)
NM, OUR (2A3)
GCX (7), OUR (2B5)
5
28 -Jul -94
16 -Mar -92
-.CX (7), OUR (2B3 / 3A2)
NM, OUR (2A3)
GCX (5), OUR (2B5)
6
24 -Jun -95
22 -Aug -93
GCX (9), OUR (2B3(3A2)
GCX (Vin 2B) , OUR (2A)
GCX(2), GUR(285)
7
18 -Jul -96
30 -Jul -94
GCX(6'), GUR(3A2)
NM, OUR 10' 2A
NM, OUR (2B5)
8
14Aug-97
Waiver -No Monitor Logs
GCX (2), OUR (2133)
"CX (-30' in 2B), GUR (2A)
9
18 -Jul -96
10
11
12
NM = NO GAS CAP MOVEMENT
GUR = GAS I INn FRM IN rATRAT 'Pn 1
GCX= GAS CAP EXPANSION (FEET TVD)
ENDICOTT OIL POOL
GAS OIL CONTACT MONITORING PROGRAM
STATUS REPORT -12131/97
TABLE 7
1-27/P-20 1-29/M-26 2-04/M-19
3A 26 2B
29 -Feb -88 3 -Feb -88 1 -Mar -88
21 -Feb -87
3 -Feb -88
1 -Mar -88
NM (OHCNL)
GCX (25)/GUR(2B3)
GCX (25)
9 -May -88
8 -Aug -88
20 -Mar -89
NM
GCX (16')
GCX(35'), OUR (282)
4 -Aug -88
6 -Aug -89
16 -Jun -90
NM, OUR (283)
GCX (7)
GCX(4'), OUR (2A3)
12 -Apr -89
S -Sep -90
29 -Jun -91
NM,GUR (2B3)
GCX (6)
GCX (NM), OUR (2A3)
17 -Jun -90
25 -Mar -91
14 -Jun -92
NM, OUR (2B3)
GCX (4)
- GCX (2), OUR (2A3)
4 -Jul -91
17 -Mar -92
25 -Jun -93
-.CX (7), OUR (2B3 / 3A2)
GCX It G)
NM, OUR (2A3)
13 -Jun -92
24 -May -93
9 -Jul -94
GCX (9), OUR (2B3(3A2)
- GCX(16'), GUR(2A3)
NM, OUR (2A3)
26 -Jun -93
29 -Jul -94
'11 -Aug -97
GCX(6'), GUR(3A2)
GCX (13), OUR (2A3)
GCX (18' in 2B), OUR (2A;
31 -Jul -94
26 -Jun -95
- Waiver -No Monitor Logs
GCX (2), OUR (2133)
GCX (5' in 2B), OUR (2A3)
27 -Mar -95
18 -Jul -96
GCX (2' in 3A)
NM
19 -Jul -96
1 -Aug -97
NM
GCX (25' in 2B), OUR (2A3)
13 -Jul -97
program.
3-01/N-29
3A/2B
28 -Feb -88
19 -Feb -89
NM
12 -Feb -90
NM
28 -Feb -91
NM
-No Monitor
97 AOGCC Table 7.XLS
15000
12000
9000
6000
3000
L
REGION: MPI ZONE: K3C(16)
PRODUCTION
-�� Black Oil Rate (CD) (bbVd )
- ' — Condensate (SID/day) ( bbUd )
- Water Rate (CD) (bbVd )
�aF Gas/011 Ratio (cirbbl )
1
i
BP EXPLORATION ENDICOTT OIL FIELD
30000
2d
1f
15
E
REGION: MPI ZONE: K313(10)
PRODUCTION
--
BP EXPLORATION ENDICOTT OIL FIELD
-410-f Black Oil Rate (CD) (bb"d )
-+-�^ Condensate (stb/day) ( bbVd )
-
Water Rate (CD) (bbVd )
Gas /011 Ratio (dPobl )
000-
00
000--
000000000
000-
000
i
-
0--
6a 1
--
BP EXPLORATION ENDICOTT OIL FIELD
30000
24000
16000
12000
6000
9
REGION: MPI ZONE: K3A(14)
PRODUCTION
Of ee
BP EXPLORATION
b9 W 97 92 93 94 95 96 97
ENDICOTT OIL FIELD
40000
32000
24000
16000
8000
0
REGION: MPI ZONE: K2B(16)
PRODUCTION
Of as
BP EXPLORATION
ea au 91 92 93 94 95 96 97
ENDICOTT OIL FIELD
32000
24000
16000
8000
z
REGION: MPI ZONE: K2A(20)
PRODUCTION
of as
BP EXPLORATION
an au yl `JG W `J4 `JS Vb `J/
ENDICOTT OIL FIELD
5000
4000
3000
2000
1000
REGION: MPI ZONE: K1(3)
PRODUCTION
—0 f Black Oil Rate (CD) ( bbl/d )
r-+- Condensate (stb/day) (bbVd )
Water Rate (CD) (bbVd )
�f Gas / 011 Rffilo (d/bbl)
I
I
i
1
r
0
i
o� ee en nn o� oo oa on oc oa m
BP EXPLORATION ENDICOTT OIL FIELD
30000
24000
18000
12000
REGION: SDI ZONE: K3C(25)
PRODUCTION
ai as
BP EXPLORATION
a9 9V 91 V2 93 94 95 96 97
ENDICOTT OIL FIELD
15000
12000
9000
3000
0
REGION: SDI ZONE: K3B(29)
PRODUCTION
6r bo as w 91 9L 9M 94 95 96 97
BP EXPLORATION ENDICOTT OIL FIELD
20000
16000
12000
8000
4000
n
REGION: SDI ZONE: K3A(19)
PRODUCTION
96 97
BP EXPLORATION ENDICOTT OIL FIELD
40000
32000
24000
16000
6000
0
REGION: SDI ZONE: K213(21)
PRODUCTION
— Black Oil Rate (CD) (bbl/d )
—e --a- Condensate (stb/day) ( bbVd )
- Water Rate ((-,D) (bbVd)
—�f Gas /011 Ratio (d/bbl )
i
I
i
i
i
i
i
I
I
I
BP EXPLORATION ENDICOTT OIL FIELD
30000
24000
18000
12000
6000
N
REGION: SDI ZONE: K2A(12)
PRODUCTION
� Black Oil Rate (CD) (bbl/d )
� Condensate (sib/day) ( bbVd )
' Water Rate (CD) ( bbVd )
—fes Gas / OII Ratb (cfW )
i
—T
I
I
I
Y
V
VV VJ JV JI JG JJ .".V y' y0 `J/
BP EXPLORATION ENDICOTT OIL FIELD
10000
8000
4000
2000
REGION: SDI ZONE: K1(2)
PRODUCTION
—�F Black Oil Rate (CD) (bbl1d )
—�—�- Condensate (stb/day) ( bbVd )
Water Rate (CD) (bbUtl )
Gas / OA Rath (ctrbbl )
1
i
i
i
I
l
I
87 88 89 90 91 92 93 94 95 96 97
BP EXPLORATION ENDICOTT OIL FIELD
REGION: NIAK ZONE: K3C(5)
PRODUCTION
1000c
BP EXPLORATION
m av a, ac �o yq -D Nb vt
ENDICOTT OIL FIELD
fit► Black Oil Rate (CD) (bbVd )
—�—+— Condensate (sib/day) ( bbVd )
Water Rate (CD) ( bbVd )
Gas /OR Ratio (d/bbl)
I
0000-
00060004000
6000-
4000-
?000
0
I
BP EXPLORATION
m av a, ac �o yq -D Nb vt
ENDICOTT OIL FIELD
20000
16000
12000
4000
0
REGION: NIAK ZONE: K3A(4)
PRODUCTION
or o0 oa W u we W
BP EXPLORATION ENDICOTT OIL FIELD
10000
8000
.m
4000
2000
0
REGION: NIAK ZONE: K213(4)
PRODUCTION
� Black 011 Rate (CD) ( bbl/d )
� Condensate (sib/day) ( bbVd )
Water Rate (CD) ( bbVd )
Gas/011 Ratio (Cf/bbl)
I
1
I
BP EXPLORATION
oV `JI 9G .`f3 `Ju vo `Jb y/
ENDICOTT OIL FIELD
20000
16000
12000
8000
4000
0
REGION: NIAK ZONE: K2A(4)
PRODUCTION
o, o0
BP EXPLORATION
ow au y uG W `J4 ub `J0 W
ENDICOTT OIL FIELD
12500
10000
7500
5000
2500
0
REGION: MPI ZONE: K3C(14)
Cumulative Crude Production
25
2000
150C
1000
500
w
REGION: MPI ZONE: K3B(8)
Cumulative Crude Production
w.cumblkoll (Mbbl )
Percent OOIP Reooveretl
I
87 88 89 90 I 91 92 93 94 95 96 97
50
40
>_0
i7
25000
20000
15000
10000
5000
REGION: MPI ZONE: K3A(13)
Cumulative Crude Production
cv.cumblkoil (Mbbl )
Percent OOIP Recovered
I
i
i
I'
87 88 89 90 91 92 93 94 95 96 97
50
30
M
REGION: MPI ZONE: K3A(13)
Cumulative Crude Production
25000
cv.currblkofl (Mbbl ) 50
Percent OOfP Recovered
20000
40
15000
� 30
I
10000
20
5000 i 10
0 0
87 RR R9 on o� on m n• ..� .... ..�
40000
32000
24000
16000
:owl
REGION: MPI ZONE: K2B(16)
Cumulative Crude Production
w.cumblkoll ( M ) 50
Percent OOIP Re Overed
40
30
20
10
"0
87 88 89 90 I 91 92 93 94 95I 96 97
75000
60000
45000
30000
15000
REGION: MPI ZONE: K2A(19)
Cumulative Crude Production
a.cumblkoll ( Mbbl ) 50
Percent OOIP Recovered
i
40
30
20
I
10
0
87 88 89 90 91 92 93 94 95 96 97
375(
30000
22500
15000
7500
REGION: SDI ZONE: K3C(25)
Cumulative Crude Production
-
a.cumblkoll (Mbbl ) 50
Percent OOIP Recovered
40
I
r
I
30
20
10
0
87 86 89 90 91 92 93 94 95 96 97
12500
10000
7500
5000
2500
no
REGION: SDI ZONE: K3B(29)
Cumulative Crude Production
�• oe au of ae Vs a4 95 96
97
50
40
30
20
10
REGION: SDI ZONE: K3A(19)
Cumulative Crude Production
25000 50
w.cumDlkoll (Mbbl )
Percent OOIP Recovemd
20000 40
i
I
15000 30
i
I
1'
10000 20
5000 10
57 88 89 90 91 92 93 94 95 96 97
45000
30000
15000
REGION: SDI ZONE: K2B(21)
Cumulative Crude Production
cv.cumblkoil ( Mbbl )
Percent 001P Rewwred
i
i
i
i
I
7
87 88 89 90 91 92 93 94 95 96 97
50
40
t�
011111111
10
30000
24000
18000
12000
6000
REGION: SDI ZONE: K2A(12)
Cumulative Crude Production
a.cumblkoll (Mbbl )
Percent OOIP Recovered
i
I
50
40
Vol
10
3750
2250
1500
750
REGION: NIAK ZONE: K3C(5)
Cumulative Crude Production
mcumblkoll (Mbbl ) 50
Percent OOIP Recovered
i
l
40
I
---30
I
20
I
10
0
87 88 69 90 91 92 93 94 96 96 97
37.5
30.0
22.5
15.0
7.5
REGION: NIAK ZONE: K3B(3)
Cumulative Crude Production
So
40
20
10
0.00
87 88 89 90 91 92 93 94 95 96 97
15000
12000
m
6000
3000
REGION: NIAK ZONE: K3A(4)
Cumulative Crude Production
50
40
m
m
10
00
87 88 89 90 91 92 93 94 95 96 97
751
6000
4500
3000
1500
REGION: NIAK ZONE: K2B(4)
Cumulative Crude Production
cv.cumblkoil (Mbbl ) 50
Percent OOIP Recoveretl
40
30
i
20
10
0
87 88 89 90 91 92 93 94 95 96 97
REGION: NIAK ZONE: K2A(4)
Cumulative Crude Production
or ao ow w W1 &Z `J3 `J4 `JJ `JO `J/
50
30
20
10
0
12000000
1
REGION: MPI ZONE: K3C(16)
CUMULATIVE VOIDAGE
7000
6000
5000
4000
3000
2000
eo ul
BP EXPLORATION ENDICOTT OIL FIELD
Q STAT
PRESPRESS
6000000
4
4
4 z
0
QQ
Q4
4
4 Q a
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Q4
4
4
44
4
4
4
4
4
4
Q
4
4
44
4
4
4
4
4
4 4 4
@
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4
4
4
4
Q
Q
4
4
6000000
Q
4
44
4
4
4
4
2000000
4
4
4
4
6000000
7000
6000
5000
4000
3000
2000
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BP EXPLORATION ENDICOTT OIL FIELD
REGION: MPI ZONE: K3B(10)
CUMULATIVE VOIDAGE
7500000
4500000
3000000
1500000
0-
87 88
BP EXPLORATION
0� a0 0I ac oo ev �a
6750
5250
4500
3750
3000
96 97
ENDICOTT OIL FIELD
�� a.wmvokl
d STAT MES MESS
*
d
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d
d
d
d
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[a* d
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d
d
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d
d
d
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d
d
dd
*
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d
d
d
d
d
d
d
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a
0-
87 88
BP EXPLORATION
0� a0 0I ac oo ev �a
6750
5250
4500
3750
3000
96 97
ENDICOTT OIL FIELD
REGION: MPI ZONE: K3A(14)
CUMULATIVE VOIDAGE
20000000
0
-20000000
-40000000
-60000000
-90000000
87 86
BP EXPLORATION
oa av ai >< `J3 tl4 yD
5500
5250
5000
4750
4500
4250
96 97
ENDICOTT OIL FIELD
�� a.wmvoltl
--
STAT
PRES.PRESS
a
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a
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it
d
�
a
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a
0
c
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a
-90000000
87 86
BP EXPLORATION
oa av ai >< `J3 tl4 yD
5500
5250
5000
4750
4500
4250
96 97
ENDICOTT OIL FIELD
6000000
0
-6000000
-12000000
-18000000
REGION: MPI ZONE: K2B(16)
CUMULATIVE VOIDAGE
0
w
0
n
0
BP EXPLORATION ENDICOTT OIL FIELD
0
a
o
a "
c
mmmold
st STAT PRES.PRESS
I
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a
3
�
¢
4
46!
¢
4
Q
a
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tr
451
c
43
0
w
0
n
0
BP EXPLORATION ENDICOTT OIL FIELD
12500000
1C
E
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REGION: SDI ZONE: K3B(29)
CUMULATIVE VOIDAGE
v, vv va av vi ac ao ar ao
BP EXPLORATION
6000
5250
4500
3750
3000
2250
96 97
ENDICOTT OIL FIELD
-.--- 0- �.a a
a STAT PRES.PRESS
d
000000
d d
I
da
d
d
a
a
a
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a
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a
d
4
d
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d
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a
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500000
500000--
0
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v, vv va av vi ac ao ar ao
BP EXPLORATION
6000
5250
4500
3750
3000
2250
96 97
ENDICOTT OIL FIELD
7500000
5000000
2500000
n
-2500000
-5000000
REGION: SDI ZONE: K3A(19)
CUMULATIVE VOIDAGE
6000
5250
4500
37,50
C 111
2250
VI W VJ JV JI JG JJ O4 OJ tl0 tl/
BP EXPLORATION ENDICOTT OIL FIELD
a STAT PRESPRESS
tr
a
•
tr
tr c
tr
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atr a
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tr
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tr
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tr
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6000
5250
4500
37,50
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2250
VI W VJ JV JI JG JJ O4 OJ tl0 tl/
BP EXPLORATION ENDICOTT OIL FIELD
37500000
3C
22
1E
7
REGION: SDI ZONE: K2B(22)
CUMULATIVE VOIDAGE
5200
4800
4400
4000
cm
3200
BP EXPLORATION ENDICOTT OIL FIELD
—�—F mcumvoid
a STAT PRES.PRESS
c
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fi
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fi
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0
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5200
4800
4400
4000
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3200
BP EXPLORATION ENDICOTT OIL FIELD
60000000
45000000
15000000
REGION: SDI ZONE: K2A(12)
CUMULATIVE VOIDAGE
5200
4800
4400
4000
3200
_. no ei
BP EXPLORATION ENDICOTT OIL FIELD
�� CV.Wf11VOk1
++ STAT PRES.PRESS
v
a
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5200
4800
4400
4000
3200
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BP EXPLORATION ENDICOTT OIL FIELD
REGION: NIAK ZONE: K3C(5)
CUMULATIVE VOIDAGE
7500000
4500000
3000000
1500000
0
87 88
BP EXPLORATION
DJ JV JI 'JG OJ 04 JJ
5000
4000
3000
1000
96 97
ENDICOTT OIL FIELD
-+—f a.awoid
d
d STAT PRESPRESS
d
a
d
d
d
d
c
d
d
d
a
4
d
d
d
d
d
0
87 88
BP EXPLORATION
DJ JV JI 'JG OJ 04 JJ
5000
4000
3000
1000
96 97
ENDICOTT OIL FIELD
-15
-22
-30
REGION: NIAK ZONE: K3B(3)
CUMULATIVE VOIDAGE
5000
4750
4500
4250
3750
BP EXPLORATION ENDICOTT OIL FIELD
�--�- m.mmvoid
a STAT PRES.PRESS
0
�
a
a
a
a
a
50000
a
a
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30000
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A7
GO
5000
4750
4500
4250
3750
BP EXPLORATION ENDICOTT OIL FIELD
30000000
24000000
18000000
12000000
6000000
no
REGION: NIAK ZONE: K3A(4)
CUMULATIVE VOIDAGE
5100
4800
4500
4200
3900
BP EXPLORATION ENDICOTT OIL FIELD
�--�— w.amvold
R STAT PRES.PRESS
4
a
tr
c
a
0
a
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a
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a
c
0
a
5100
4800
4500
4200
3900
BP EXPLORATION ENDICOTT OIL FIELD
REGION: NIAK ZONE: K2B(4)
CUMULATIVE VOIDAGE
lvvvvuU
- - a.amvoid
a STAT PRES.PRESS
c-
a
49!
a
3000000
c
or
a
a
as
a
481
3000000
a
a
a
a
a
46!
a
a
a
0
a
451
3000000
BP EXPLORATION
L
r
9
co
Ef
4350
96 97
ENDICOTT OIL FIELD
37500000
301
22;
151
7',
REGION: NIAK ZONE: K2A(4)
CUMULATIVE VOIDAGE
5200
5000
4800
4600
4400
4200
-- .•� o� oo a4 as ao ai
BP EXPLORATION ENDICOTT OIL FIELD
mmmvold
a STAT PRESPRESS
fr
)00000
c
0
0
100000
v
.x
o
a
a
a
o
C
?$
C
C
G
100000
0
;00000
a
a
a
0
5200
5000
4800
4600
4400
4200
-- .•� o� oo a4 as ao ai
BP EXPLORATION ENDICOTT OIL FIELD
15000c
120000
30000
0
1-05/0-20:tot
Injection Rate by Day
may -25-1988 to dec-31-1997
o4 9J 9b 97
150000
1
1-15/P-25:tot Injection Rate by Day
jun-07-1993 to dec-31-1997
5000
4000
2000
AOR
Dairy Gas Inj. Rate (M)
Daily Gas Inj. Index
-- - - Avg. WH Pres.
I Ij
I '
II
10000
I�i '
i
l
I
I
I
!
III
I
10000
I
I I!
I �I
Ili
III
I'q
I ' j
0000
I
I!
i
h
!
Ii
I
II
III
III
11
0000
II
I,
0
87
88
A9
on
o.
5000
4000
2000
AOR
2-06/J-22:tot
16000P
120000
80000
40000
n
Injection Rate by Day
apr-20-1988 to dec-31-1997
-- -- .,- 1� v4 ao 96 97
5000
4000
3000
2000
1000
0
2-12/0-16:tot
150000
12000C
•rr�r
30000
Injection Rate by Day
apr-13-1993 to dec-31-1997
5000
4000
�
2000
1000
0
92 93 94 95 96 97
Daly Gas In]. Rate (M)
Daily Gas Inj. Index
- - Avg. WH Pres.
if u
ly` I II Ili Y
ul
1 II I
i
I II
I 11 I
I I
I I�
I II
I
I II
I I l
I III
II I
II
I it I
I
I �I j
I
I III
I
I
I
I
I
I
I
I
I
I
I
I
III II
I II
II
II II
I
I
I II
I II
I
I �I
I
III i
Ij I I
I III I
I III I
II I
II I
I III I
II I
III I
I III I
III �
I I
I I
ml
5000
4000
�
2000
1000
0
92 93 94 95 96 97
5-01/SD-07:tot
12500
10000(
75000
25000
El
Injection Rate by Day
apr-20-1988 to dec-31-1997
-- -• •,� �., as ao wo `J/
5000
4000
imf
2000
,,.
1-37/P-24:tot
04-20-1988 to 12-31-1998
20000
30
Total Water inject. Rate (bbVd )
—- DSW INJ.WH PRIES AVG(psia)
---- DPW INJ.WH PRES AVG(psia)
- - DPW INJ.INJ INDX
-- - DSW INJ.INJ INDX
16000
24
12000
i
18
8000
if
�I
12
4000
16
I
Y.
ry
4
D
87
88
89
90
91
92
93
94
95
96 97
03/30/98
13:45:27
16000
12000
4000
0
1-43/P-26:tot
04-05-1989 to 12-31-1998
or as b9 9V 91 92
03/30/98
13:46:08
0o aY ao ao ar
Total
Water Inject.
Rate
(bbVtl
)
JV
-- - - - DSW
INJ.WH
PRIES
AVG
(PSia )
---- DPW
INJ.WH
PRIES
AVG(psia)
DPW
INJ.INJ
INDX
- DSW
INJ.INJ
INDX
24
11
to
1
18
12
6
rrill
�O
I Ir'4
I
tl
I
0
0o aY ao ao ar
1-51N-20:tot
12-13-1993 to 12-31-1998
2000C
16000
12000
4000
Q
03/30/98
13:46:31
30
24
is
12
s
0
92 93 94 95 96 97
Total Water Inject. Rate ( bbl/d )
- - DSW INJ.WH PRIES AVG ( pale )
---- DPW INJ.WH PRIES AVG(psia)
-- DPW INJ.INJ INDX
- - DSW INJ.INJ INDX
1
A7
AA
no,
nn
...
i
P
(
I
30
24
is
12
s
0
92 93 94 95 96 97
20000
16000
12000
4000
0
03/30/98
13:47:06
1-69N-19:tot
11-12-1990 to 12-31-1998
a 1 o4 as `J9 y6 96
30
24
18
12
0
0
97
ilylI'
i
a 1 o4 as `J9 y6 96
30
24
18
12
0
0
97
2-16/M-16:tot
03-23-1989 to 12-31-1998
20000
16000
12000
4000
0
87
03/30/98
13:47:45
30
24
18
12
0
97
Total Water Inject. Rate ( bbl/d )
- - DSW INJ.WH PRES AVG (psla )
—
— — — DPW INJ.WH PRES AVG(psia)
- DPW INJ.INJ INDX
I
I
II
i
I I
I
I
-- - DSW INJ.INJ INDX
LJ
I
I
i
i
I 14V
w
0
87
03/30/98
13:47:45
30
24
18
12
0
97
2
1
1
2-22/L-14:tot
05-26-1989 to 12-31-1998
03/30/98
13:48:24
30
24
18
12
41
XICIFEM
lj�
I
II
I
03/30/98
13:48:24
30
24
18
12
41
20000
1
1
2-34/P-14:tot
01-08-1990 to 12-31-1998
03/30/38
13:49:10
30
24
18
12
3
Total
Water Inject. Rate (bbVC )
--
- — ---
DSW
INJ-WH PRIES AVG ( pals )
—
— —
— DPW
INJ.WH PRES AVG(psta)
DPW
INJ.INJ INDX
i
DSW
INJ.INJ INDX
6000---
000200030001000
2000--
3000----
1000---_
I
i
hn1 1
�
I
k
0
ill.:
I
87
88
as
an
01
o�
03/30/38
13:49:10
30
24
18
12
3
2-44/R-12:tot
04-05-1989 to 12-31-1998
20000-
16000
12000
8000
4000
0
8
03/30/98
13:49:54
30
24
18
12
6
0
88 89 90 91 92 93 94 95 96 97
Total Water Inject. Rate (bbl/d )
------ DSW INJ.WH PRIES AVG(psta)
---- DPW INJ.WH PRIES AVG(psia)
DPW INJ.INJ INDX
DSW INJ.INJ INDX
I
�
YY
1
(
^i
i1 I
0
8
03/30/98
13:49:54
30
24
18
12
6
0
88 89 90 91 92 93 94 95 96 97
20000
16000
12000
8000
4000
0
03/30/99
13:50:23
2-54/Q-12:tot
01-05-1992 to 12-31-1998
M
24
18
12
m
0
Total Water
Inject.
Rate
( bbl/d )
-------- DSW INJ.WH
PRIES
AVG(psia)
---- DPW INJ.WH
PRIES
AVG(psia)
DPW INJ.INJ
INDX
I
DSW INJ.INJ
l
i
INDX
I
I
87
88
AO
M
24
18
12
m
0
2-64/U-10:tot
02-13-1991 to 12-31-1998
20000
16000
12000
8000
4000
0
8,
03/30/98
13:50:55
� i oc. oo 74 7o yo
30
24
18
12
0
0
s�
-- Total Water Inject. Rate (bblyd )
DSW INJ.WH PRIES AVG (psia )
— -- DPW INJ.WH PRIES AVG(psia)
- DPW INJ.INJ INDX
- DSW INJ.INJ INDX
1
i
0
8,
03/30/98
13:50:55
� i oc. oo 74 7o yo
30
24
18
12
0
0
s�
20000
1
1;
4
2-70/U-15:tot
07-18-1989 to 12-31-1998
-- -- ac wo 94 95 96 97
03/30/98
13:51:35
30
24
18
2
Total Water
I111ed. Rate
(bblPo )
-
_
-
DSW INJ.WH
PRIES AVG
(psia )
—
— —
—
DPW INJ.WH
PRIES AVG
(pale)
DPW INJ.INJ
1NDX
DSW INJ.INJ
INDX
3000—
000?000000
I
I
!000----
000
000
4
1
4
{°J
0
7 I
A7
as
1 ,
c
-- -- ac wo 94 95 96 97
03/30/98
13:51:35
30
24
18
2
2000
1600(
1200(
Mi]
4000
0
03/30/98
13:52:15
3-07/N-28:tot
04-26-1989 to 12-31-1998
97
30
24
(8
2
20000
16000
12000
5000
4000
0
03/30/98 0�
13:52:55
3-41/K-39:tot
05-17-1989 to 12-31-1998
00 oa w `Jl
30
24
16
12
C
0
97
Total
Water Inject.
Rate (bbVd
)
--
DSW INJ.WH
PRES
AVG(psia)
I
i
— — —
—
DPW INJ-WH
PRES
AVG
(psia)
DPW INJ.INJ
INDX
1pf
4k
i
11
i
i
1
i
DSW INJ.INJ
INDX
Ili
I'I
it
9
i
(I.
t
I
i
I
30
24
16
12
C
0
97
20000
16000
12000
:m
4000
3-41 /K-39:tot
05-17-1989 to 12-31-1998
-• — — a ec tl3 W4 Ub 96 97
03/30/98
13:52:55
2000c
16000
12000
4000
0
03/30/98
13:53:37
3-45/M-39:tot
09-29-1988 to 12-31-1998
-- •.- ..., a, ac Wa C4 96 96
97
30
24
18
12
Cl
20000
16000
12000
4000
4-02/Q-28:tot
05-13-1988 to 12-31-1998
0-
03/301-98
13:51:20
30
24
18
12
i
Total Water Inject. Rate (bblld )
------ DSW INJ.WH PRES AVG(psia)
— — — — DPW INJ.WH PRES AVG(psia)
DPW INJ.INJ INDX
DSW INJ.INJ INDX
1
I
I
I
i
I
I
I
I
II
I
u
I�
I
�
e
I�
I
I
67
I
88
89
9n
o.
I
0-
03/301-98
13:51:20
30
24
18
12
i
2000e
16000
12000
8000
4000
0
03/30/98
13:54:57
4-04lf-26:tot
02-26-1990 to 12-31-1998
� I oc oo aff `Jb ub
97
KM
24
18
12
9
20000
16001
1200(
O:
4000
4-08/P-27:tot
07-30-1993 to 12-31-1998
0-
03/30/98
13:5543
or ao V5 97
30
24
18
f
Total Water Inject. Rate (bbUd )
------ DSW INJ.WH PRES AVG(psia)
---- DPW INJ.WH PRES AVG(psla)
DPW INJ.INJ INDX
DSW INJ.INJ INDX
i
u
Am
oV
6r
��'
1 �r�'�'I
1� � •'gyp
,1..
87
88
An
on
0-
03/30/98
13:5543
or ao V5 97
30
24
18
f
20000
16000
12000
8000
4000
0
03/30/98
13:56:23
4-14/R-34:tot
09-11-1989 to 12-31-1998
91
30
24
18
12
P
20000
1600(
12000
8000
4000
0
03/30/98
13:56:50
4-40/P-43:tot
10-11-1992 to 12-31-1998
30
24
18
12
j
0
97
Total Water Infect. Rate ( bbl/d )
----- DSW INJ.WH PRIES AVG(psia)
---- DPW INJ.WH PRIES AVG(psia)
DPW INJ.INJ INDX
DSW INJ.INJ INDX
i
87
88
Ao
on
9
30
24
18
12
j
0
97
4-44/M-44:tot
' to 12-31-1998
1600(
12000
8000
4000
0-
03/30/98
13:57:17
24
18
12
---Taal Water Inject. Rate(bbVd)
INJ.WH PRIES AVG ( psis )
— DPW INJ.WH PRIES AVG(psia)
DPW INJ.INJ INDX
DSW INJ.INJ INDX
87
88
89
90
0l
oo
i
0-
03/30/98
13:57:17
24
18
12
20000
16000
12000
:...
4000
4-48/K-43:tot
12-03-1990 to 12-31-1998
30
24
18
12
6
5-02/SD-10:tot
04-20-1988 to 12-31-1998
20000
16000
12000
4000
30
24
18
12
00
87 88 89 90 91 92 93 94 95 96 97
03/30/98
1358:39
Total Water Inject. Rate (bbVd )
--- --- DSW INJ.WH PRES AVG (psia )
---- DPW INJ.WH PRIES AVG(psia)
DPW INJ.INJ INDX
DSW INJ.INJ INDX
i
I
i
I
1
I
I
I
i
t
..
rlripIll
w
30
24
18
12
00
87 88 89 90 91 92 93 94 95 96 97
03/30/98
1358:39
ENDICOTT OIL FIELD HISTORICAL KEY WELL PRESSURE DATA
DATE
WELL
1987
3A
9/5/87
1-47/Q-21
9/5/87
1-47/0-21
10/1/87
1-09/J-18
10/1/87
1-09/J-18
11/10/87
3-01/N-29
11/22/87
1-09/J-18
12/5/87
3-01/N-29
12/12/87
1-47/Q-21
12/12/87
1-47/Q-21
1988
1/19/88
1-35/0-25
1/27/88
2-52/S-14
1/27/88
2-52/S-14
1/28/88
1-29/M-25
2/2/88
1-09/J-18
2/3/88
2-62/0-17
2/15/88
2-08/K-16
2/15/88
2-08/K-16
2/15/88
2-08/K-16
2/28/88
3-47/Q-35
3/1/88
3-33/K-37
3/1/88
3-33/K-37
3/27/88
3-01/N-29
3/30/88
3-35/L-36
4/22/88
1-35/0-25
5/25/88
3-05/0-29
6/5/88
1-55/R-25
6/5/88
1-55/R-25
6/9/88
1-29/M-25
6/10/88
1-35/0-25
6/11/88
3-01/N-29
6/11/88
2-62/0-17
6/16/88
2-26/N-14
6/16/88
2-26M-14
6/21/88
3-01/N-29
6/29/88
2-26/N-14
6/29/88
2-26/N-14
7/23/88
3-05/0-29
7/27/88
2-26/N-14
7/27/88
2-26/N-14
7/30/88
4-26/0-34
7/30/88
4-26/0-34
7/30/88
4-26/0-34
7/30/88
4-26/0-34
MPI/NFB
3C
3C 36
3A
26
2A
I Z1
4897
4839
4897
4696
4889
4889
4466
4813
4631
4569
4631
4514
4551
4809
4784
4460
4784
4800
4767
4788
4497
4736
4800
4494
4750
4600
4789
4758
4590
4726
4528
4742
4850
4671
4820
4820
4838
4838
3718
3718
SDI
3C
3B
3A
2B
2A
Z1
4839
4696
4600
4466
4569
4514
4551
4460
4800
4800
4497
4494
4497
4600
4590
4528
4850
ENDICOTT OIL FIELD HISTORICAL KEY WELL PRESSURE DATA
DATE
WELL
7/30/88
4-26/0-34
9/4/88
3-11/M-30
9/4/88
3-11/M-30
9/4/88
3-11/M-30
9/4/88
3-11/M-30
9/4/88
3-11/M-30
9/18/88
4-26/0-34
10/7/88
3-11/10-30
10/8/88
2-26/N-14
10/8/88
2-26/N-14
10/10/88
1-09/J-18
10/11/88
3-05/0-29
10/13/88
2-14/0-16
10/20/88
2-08/K-16
10/20/88
3-47/Q-35
10/21/88
1-29/M-25
10/22/88
1-35/0-25
10/23/88
3-01/N-29
11/17/88
1-35/0-25
11/25/88
1-09/J-18
11/25/88
1-09/J-18
12/4/88
3-11/M-30
12/13/88
1-49/P-21
12/13/88
2-08/K-16
1989
1/5/89
2-26/N-14
1/5/89
2-26/N-14
1/15/89
3-35/L-36
2/2/89
2-26/N-14
2/2/89
2-26/N-14
2/21/89
4-26/0-34
3/19/89
1-29/M-25
3/20/89
2-46/0-15
3/20/89
2-46/0-15
3/20/89
2-46/0-15
3/20/89
2-46/Q-15
3/25/89
1-35/0-25
3/29/89
3-47/Q-35
4/3/89
3-33/K-37
4/18/89
4-26/0-34
4/27/89
2-26/N-14
4/27/89
2-26/N-14
5/7/89
1-49/P-21
5/11/89
2-14/0-16
5/11/89
2-14/0-16
MPUNFB
3C
3C
36 I
3A
2B
2A
Z1
4400
3320
3320
4469
4628
4576
4678
4532
4525
4644
4563
4721
4436
4700
4411
4615
4504
4622
4563
4359
4491
2800
2800
4524
2894
4490
2894
4993
4635
4450
3909
4732
4278
4509
4405
4731
4019
4631
3287
3287
4440
4623
4614
SDI
3C
3B
3A
2B
2A
Z1
4400
4469
4576
4525
4563
4436
4411
4504
4590
4359
4524
4490
4993
3909
4278
4405
4019
ENDICOTT OIL FIELD HISTORICAL KEY WELL PRESSURE DATA
DATE
WELL
6/6/89
1-09/J-18
6/6/89
1-09/J-18
6/21/89
2-08/K-16
6/21/89
2-08/K-16
6/21/89
2-46/Q-15
6/21/89
2-46/Q-15
8/3/89
2-52/S-14
8/3/89
1-47/Q-21
8/3/89
2-52/S-14
8/3/89
1-47/Q-21
8/4/89
2-46/Q-15
8/4/89
2-46/Q-15
8/15/89
3-47/Q-35
8/19/89
3-05/0-29
8/21/89
3-01/N-29
9/12/89
4-50/K-41
9/12/89
4-50/K-41
9/23/89
4-26/0-34
9/23/89
4-26/0-34
9/24/89
1-35/0-25
9/25/89
2-62/Q-17
10/29/89
3-11/M-30
11/25/89
2-52/S-14
11/25/89
2-52/S-14
11/27/89
3-05/0-29
12/22/89
2-46/Q-15
12/22/89
2-46/Q-15
12/30/89
3-33/K-37
12/30/89
3-33/K-37
1990
1/3/90
1-45/Q-26
2/7/90
2-26/N-14
2!7/90
2-26/N-14
2/25/90
3-05/0-29
2/26/90
2-62/Q-17
2/26/90
1-47/Q-21
2/26/90
1-47/Q-21
2/28/90
1-35/0-25
3/1/90
1-49/P-21
3/17/90
2-14/0-16
3/17/90
2-14/0-16
3/19/90
1-09/J-18
3/19/90
1-09/J-18
3/22/90
1-55/R-25
3/22/90
1-55/R-25
MPI/NFB
3C
I 3B '', 3A 2B
2A
Z1
2A
Z1
4317
4634
4640
4600
4421
4600
4780
4420
4280
4420
4000
4456
4143
4410
4440
4456
4417
4410
4437
4427
�
4432
4427
4411
4570
4506
4600
4322
4505
4322
4505
4456
4456
4006
4006
4642
4453
4453
4611
4557
4606
4628
4667
4639
SDI
3C
36
3A
2B
2A
Z1
4317
4332
4421
4780
4280
4000
4143
4440
4417
4437
4432
4411
4506
4322
4322
ENDICOTT OIL FIELD HISTORICAL KEY WELL PRESSURE DATA
DATE
WELL
4/5/90
1-55/R-25
4/5/90
1-55/R-25
4/9/90
4-26/0-34
4/9/90
4-26/0-34
4/29/90
4-50/K-41
4/29/90
4-50/K-41
5/l/90
1-45/Q-26
5/l/90
1-45/Q-26
5/2/90
2-18/L-16
5/2/90
2-18/L-16
5/2/90
2-181E-16
5/24/90
2-08/K-16
5/24/90
2-08/K-16
8/11/90
4-26/0-34
8/12/90
1-35/0-25
8/12/90
1-29/M-25
8/12/90
2-26/N-14
8/12/90
2-26/N-14
8/13/90
2-52/S-14
8/13/90
2-52/S-14
8/13/90
2-46/Q-15
8/13/90
2-46/0-15
8/13/90
1-49/P-21
8/14/90
4-26/0-34
10/10/90
3-33/K-37
10/10/90
3-33/K-37
10/20/90
3-01/N-29
10/28/90
3-11/M-30
1991
4/22/91
1-49/P-21
4/30/91
2-4610-15
4/30/91
2-46/Q-15
5/12/91
1-47/Q-21
5/12/91
1-47/Q-21
5/15/91
2-26/N-14
5/15/91
2-26/N-14
5/18/91
1-09/J-18
5/18/91
1-09/J-18
5/23/91
2-08/K-16
5/23/91
2-18/L-16
5/28/91
3-11/M-30
6/1/91
1-45/0-26
6/1/91
1-45/0-26
MPVNFB
3C
3C
3B
3A
26
2A
Z1
4369
4617
4369
4660
4147
4725
4029
4660
-
4976
_684
4426
4714
4370
4707
4400
3486
3486
3971
4500
3838
4500
4465
4465
4427
4708
4376
4761
4339
4108
4339
4108
4227
4227
1823
1823
4922
4931
4961
4903
SDI
3C
36
3A
2B
2A
Z1
4369
4369
4147
4029
4976
4426
4370
4400
3971
3838
4414
4357
4427
4376
4704
4108
4108
ENDICOTT OIL FIELD HISTORICAL KEY WELL PRESSURE DATA
DATE WELL
6/4/91 3 -47/Q -3-5-
6/4/91
-47/Q-356/4/91 2-62/Q-17
617/91 1-55/R-25
6/7/91 1-55/R-25
6/17/91 3-33/K-37
6/17/91 3-33/K-37
6/26/91 4-08/P-27
7/15/91 3-25/M-27
7/24/91 3-25/M-27
9/14/91 2-14/0-16
9/14/91 2-14/0-16
10/6/91 2-62/Q-17
10/7/91 1-49/P-21
10/12/91 4-08/P-27
10/19/91 3-33/K-37
10/19/91 3-33/K-37
11/12/91 1-47/Q-21
11/12/91 1-47/0-21
11/18/91 2-08/K-16
11/18/91 2-08/K-16
11/20/91 2-18/L-16
1992
1/22/92 2-46/Q-15
1/22/92 2-46/0-15
1/29/92 1-09/J-18
1/29/92 1-09/J-18
3/27/92 1-49/P-21
3/31/92 2-62/Q-17
4/3/92 4-08/P-27
4/6/92 1-45/0-26
4/6/92 1-45/0-26
4/10/92 3-47/Q-35
4/10/92 3-47/0-35
4/10/92 3-47/0-35
4/10/92 3-47/0-35
4/19/92 2-26/N-14
4/19/92 2-26/N-14
5/9/92 3-11/M-30
5/15/92 3-25/M-27
5/15/92 3-25/M-27
5/18/92 3-33/K-37
5/18/92 3-33/K-37
6/2/92 4-50/K-41
6/15/92 2-52/S-14
6/15/92 1 2-52/S-14
MPI/NFB
3C
3C
38
3A
2B 2A
Z1
4783
4140
4813
4140
4894
4724
4900
4750
4803
4815
4872
4771
4898
4180
4562
4180
4473
4657
4657
3919
4725
3919
4657
4608
4245
4608
4245
4608
4608
4824
4796
4739
4869
4751
4890
1482
4726
3966
1482
4874
4779
3952
3952
5
SDI
3C
36
3A
2B
2A Zi
4157
4140
4140
4724
4750
4815
4771
4562
4473
4657
3919
3919
4608
4608
4608
4608
4739
4751
4726
3966
ENDICOTT OIL FIELD HISTORICAL KEY WELL PRESSURE DATA
DATE WELL
7/23/92 2-14/0-16
7/23/92 2-14/0-16
7/26/92 1-29/M-25
7/26/92 2-18/L-16
7/27/92 1-47/0-21
7/31/92 4-26/0-34
11/17/92 2-14/0-16
11/18/92 2-62/0-17
11/23/92 1-45/Q-26
11/23/92 1-45/0-26
11/24/92 4-08/P-27
11/26/92 1-49/P-21
11/28/92 2-26/N-14
11/28/92 2-26/N-14
11/30/92 3-47/Q-35
12/4/92 3-33/K-37
12/4/92 3-33/K-37
12/5/92 3-25/M-27
12/5/92 3-25/M-27
12/5/92 2-52/5-14
12/5/92 2-52/S-14
12/19/92 j 3-11/M-30
12/30/92 4-26/0-34
1993
117/93 4-50/K-41
1/7/93 4-50/K-41
5/3/93 1-47/Q-21
5/3/93 1-47/Q-21
5/18/93 2-62/0-17
5/20/93 2-26/N-14
5/20/93 2-26/N-14
5/21/93 1-49/P-21
5/23/93 : 3-47/0-35
7/16/93 3-25/M-27
7/16/93 3-25/M-27
7/21/93 2-18/L-16
7/24/93 4-26/0-34
7/24/93 4-26/0-34
8/25/93 1-09/J-18
8/25/93 1-09/J-18
9/19/93 3-25/M-27
9/24/93 1-35/0-25
11/1/93 4-50/K-41
11/1/93 4-50/K-41
1117/93 3-11/M-30
MPI/NFB
3C
3C
3B I
3A
26
2A
Z1
3033
4846
4470
4841
3762
4767
4393
4693
4399
4087
4879
4852
4865
2484
1229
1229
4776
5172
4896
4904
4572
2279
4572
2811
4065
4065
3359
4862
1513
4335
-
1513
4919
4713
4780
4390
4691
4638
4621
4643
0
SDI
3C
36
3A �
2B
2A
Z1
3033
4470
3762
4393
4399
4542
4639
4671
2484
3700
5172
4904
2279
2811
4575
3359
4335
ENDICOTT OIL FIELD HISTORICAL KEY WELL PRESSURE DATA
DATE
WELL
11/7/93
3-11/M-30
11/9/93
2-46/0-15
11/10/93
1-45/0-26
11/24/93
2-50/U-08
1994
4435
3/17/94
1-47/Q-21
3/19/94
1-35/0-25
3/22/94
3-03/J-33
3/24/94
3-47/Q-35
4/17/94
2-58/S-09
4/18/94
2-62/0-17
4/20/94
2-18/L-16
4/25/94
2-52/S-14
5/16/94
1-45/Q-26
6/7/94
2-26/N-14
1 /7/95
1-49/P-21
1/1/95
1-09/J-18
7/14/94
4-38/K-34
11/20/94
3-11/M-30
11/30/94
4-26/0-34
1/6/95
2-14/0-16
12/23/94
3-25/M-27
12/9/94
4-50/K-41
1995
4309
1/7/95
1-49/P-21
1/14/95
1-45/0-26
1/17/95
1-61/0-20
1/20/95
3-15/K-33
4/4/95
2-46/Q-15
4/24/95
4-18/S-30
5/2/95
3-05/0-29
5/3/95
2-52/S-14
5/8/95
2-58/S-09
7/3/95
1-09/J-18
10/19/95
1-19/1-18
10/20/95
1-33/M-23
12/8/95
2-18/L-16
12/16/95
2-26/N-14
12/28/95
4-50/K-41
1996
1/4/96
3-43/P-36
1/13/96
1-01/J-19
1/23/96
2-18/L-16
1/26/96
3-11/M-30
IL 1/27/96
1-31 /M-21
MPI/N FB
3C 3B
' 3A 26
2A
Z7
4549
4316
4435
4211
3905
4283
3801
4736
4628
4555
2497
4452
2817
4773
4277
4309
5194
5194
4449
1370
4704
4301
4924
4367
4745
4303
4916
4232
4704
4566
4603
4930
4930
4713
4713
2223
4498
48
4380
4040
1590
1590
4243
4184
4366
SDI
3C 3B 3A ' 2B
2A
Z1
4316
3905
4283
4736
4608
3829
4452
2817
4277
5194
5194
4301
4924
4745
4916
3658
4566
ENDICOTT OIL FIELD HISTORICAL KEY WELL PRESSURE DATA
DATE
WELL
1/28/96
2-52/S-14
1/30/96
4-18/S-30
2/17/96
2-42/P-13
2/28/96
1-09/J-18
3/3/96
1-65/N-25
3/7/96
1-57/R-23
3/10/96
1-35/0-25
3/28/96
2-64/U-10
4/1/96
3-21/L-34
4/2/96
3-39/J-39
4/6/96
1-39/P-17
4/6/96
2-26/N-14
4/14/96
2-58/S-09
4/15/96
1-67fT-20
4/19/96
3-23/N-32
4/21/96
3 -09/L -28A
4/21/96
3-15/K-33
5/9/96
2-50/U-08
7/20/96
3-37/L-35
7/20/96
4-10/M-28
8/10/96
4-26/0-34
8/16/96
3-47/Q-35
9/2/96
3-35/L-35
9/19/96
3-33/K-37
10/16/96
4-06/Q-32
11/11/96
4-32/K-38
11/25/96
4-38/K-34
11/16/96
1-21/K-25
12/12/96
1-63fT-22
12/16/96
2-16/M-16
1997
1/14/97
4-34/0-38
2/4/97
1-09/J-19
2/22/97
4-50/K-41
3/29/97
1-17A/1-17
3/31/97
2-58/S-09
4/1/97
2-52/S-14
4/2/97
4-18/S-30
4/5/97
1-09A/L-21
4/5/97
2-60/1.1-13
4/14/97
2-26/N-14
4/15/97
1-25/N-22
4/16/97
1-17A/1-17
4/16/97
1-57/R-23
4/24/97
3-49A/M-40
MPVNFB
3C
3C
1 3B
3A
2B
2A
Z1
5019
5097
5001
4657
4542
4788
4564
4260
4604
5055
4656
1934
4154
2215
3456
5654
4382
4374
4372
4550
4791
4810
5179
4548
4524
3649
2483
4983
5305
4652
4964
3911
4709
5203
2391
4990
4335
3817
SDI
3C
3B
3A
2B
2A
Z1
4985
5097
4657
4788
4260
2428
4382
4154
4514
3156
5654
4374
4550
5179
4524
3883
4983
4652
4964
5203
4990
3996
ENDICOTT OIL FIELD HISTORICAL KEY WELL PRESSURE DATA
DATE
WELL
5/4/97
2-50/U-08
5/4/97
4-06A/0-30
5/9/97
2-42/P-13
5/13/97
3-39/J-39
6/6/97
1-03/P-16
6/19/97
1-25A/K-22
6/28/97
3-39A/1-37
7/1/97
2-20/L-15
7/1/97
2-24/M-12
7/5/97
1-21/K-25
7/9/97
1-61/Q-20
7/16/97
3-35/L-36
7/26/97
3-17B/M-31
7/26/97
3-49A/M-40
7/30/97
2-14/0-16
8/5/97
1-01/J-19
8/5/97
1-31/M-21
8/7/97
1-39/P-17
8/7/97
3-23/N-32
8/23/97
3-15/K-33
8/28/97
4-32/K-38
9/24/97
1-09A/L-21
9/30/97
2-44/R-12
10/3/97
4-50/K-41
10/13/97
2-181-16
10/29/97
3-17B/M-31
11/14/97
4-48/K-43
11/15/97
2-46B/S-13
12/13/97
3-03/J-33
12/21/97
3-27/M-33
MPVNFB
3C
3C
3B
3A
26
2A
Z1
3622
4848
4526
4537
3468
4971
3937
1431
4596
4202
3595
2287
4567
4414
4428
4380
4378
5494
4386
4723
4650
4980
3186
5314
3665
4281
4381
4801
SDI
3C
36
I 3A
2B
2A
Z1
4659
4526
3468
4971
4202
3595
4466
4414
4380
5494
4723
4980
3665
4281
('i0'i All Wells t ,l,4 ;k -) Key Well
Pros'surn vs.
Time
ENDICOTT FIELD
5000
AREA=MPI SUBZONE=3C
t "
4:.
E
4000
f
0
F.
3500
(�
0
0
3000
o
(J
0
T
2500
y
N
is
a
2000
1500.
1000
O 1
A J
O 1 A J 0 1
A J O 1
A J 0 1 A J 0 1 A
J 0 1
A J
O 1 A J
0 1 A J 0
1 A J
0 1
C 9
P U
C 9 P U C 9
P U C 9
P U C 9 P U C 9 P
U C 9
P U
C 9 P U
C 9 P U C
9 P U
C 9
T 8
R L
T 8 R L T 9
R L T 9
R L T 9 R L T 9 R
L T 9
R L
T 9 R L
T 9 R L T
9 R L
T 9
8
9 0
1
2 3
4
5
6
7
8
('i0'i All Wells t ,l,4 ;k -) Key Well
C X 1\0AllW.11c }Y y Key Well
Pressure vm,
Time
ENDICOTT FIELD
5000
_
AREA=MPI
SUBZONE=3B
O..
GO
O
4500-
U
,<
4000
m
0
cn
3500
o
Z
0
3000
0
o
2500-
a-
2000-
00015001000
1500-
1000
0 1
A J
0 1 A J 0 1 A J 0
1 A J
0 1 A J 0 1
A J
0 1 A
J 0 1 A J 0
1 A J 0 1 A J 0 1
C 9
P U
C 9 P U C 9 P U C
9 P U
C 9 P U C 9
P U
C 9 P
U C 9 P U C
9 P U C 9 P U C 9
T 8
R L
T 8 R L T 9 R L T
9 R L
T 9 R L T 9
R L
T 9 R
L T 9 R L T
9 R L T 9 R L T 9
8
9 0
1
2 3
4
5
6 7 8
C X 1\0AllW.11c }Y y Key Well
Pressure vs. Time
ENDICOTT FIELD
5000 AREA=MPI SUBZONE=3A
pj
00 at
co 0 t 'r 0
E 4500
I
A
O
N
N
O
c 4000
c t�
o :
m
4)
L
H
y
d
L
a 3500 ..
3000-
r,
0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J O 1 A J 0 1 A J 0 1
C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9
T 8 R L T 8 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9
8 9 0 1 2 3 4 5 6 7 8
(XY�.)All Wells >; ; Key Well
5000
E 4500
m
CO
cn
4=
c 4000
0
0
r
w
e
OOOM wells �' Key well
5000
E 4500
Pre stire vs. Tirtic
ENDICOTT FIELD
AREA=MPI SUBZONE=2A
,
o
4000
o
d
W
W
0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J O 1 A J 0 1 A J 0 1 A J 0 1
C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9
T 8 R L T 8 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9
8 9 0 1 2 3 4 5 6 7 8
C�C)')All wells Key well
0 1
A
J 0
1
A
J 0
1
A
J 0
1
A
J O
1 A
J
0
1 A
J
0
1 A
J
0
1 A
J
0
1 A
J
0
1 A
J
0 1
C 9
P
U C
9
P
U C
9
P
U C
9
P
U C
9 P
U
C
9 P
U
C
9 P
U
C
9 P
U
C
9 P
U
C
9 P
U
C 9
T 8
R
L T
8
R
L T
9
R
L T
9
R
L T
9 R
L
T
9 R
L
T
9 R
L
T
9 R
L
T
9 R
L
T
9 R
L
T 9
8
9
0
1
2
3
4
5
6
7
8
(')(-"/(-Key Well
Pressure vs. Time.
ENDICOTT FIELD
5000 AREA=SDI SUBZONE=3C
SIJ t ''O
C/�J�JAll Wells 3 iF �h Key Well
F j
500
4500-
E
E
4000v
C
0
3500
c
3000-
00025002000
2500-
2000
1500
1000
0 1 A J 0 1 A
J 0 1 A J 0
1 A J 0 1
A J 0 1
A J 0 1
A J
0 1 A
J O 1 A J
0 1 A J 0 1
C 9 P U C 9 P
U C 9 P U C
9 P U C 9
P U C 9
P U C 9
P U
C 9 P
U C 9 P U
C 9 P U C 9
T 8 R L T 8 R
L T 9 R L T
9 R L T 9
R L T 9
R L T 9
R L
T 9 R
L T 9 R L
T 9 R L T 9
8 9
0
1 2
3
4
5
6
7 8
C/�J�JAll Wells 3 iF �h Key Well
5000
4500
E 4000
Parr 3t.;re vas. Time
ENDICOTT FIELD
T D T_enT cTI •/n Tlc_]n
U)
No 3500
c 3000
0
0
Y
2500
w
N
d
. 111'
1500
1000
0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1
C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9
T 8 R L T 8 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9
8 9 0 1 2 3 4 5 6 7 8
All W.H. /t,. K., Well
Pro sire vs. Time
ENDICOTT FIELD
000
5000-
AREA=SDI SUBZONE=3A
(@
E
500
4500-
m
m
\1
to
f
c
000
4000-
0
0
o
:
a
3500
3000
O 1 A J 0 1 A J 0 1
A J
0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A
J 0
1 A J 0 1 A J 0 1
C 9 P U C 9 P U C 9
P U
C 9 P U C 9 P U C 9 P U C 9 P U C 9 P
U C
9 P U C 9 P U C 9
T 8 R L T 8 R L T 9
R L
T 9 R L T 9 R L T 9 R L T 9 R L T 9 R
L T
9 R L T 9 R L T 9
8 9 0
1 2 3 4 5
6 7 8
D�i��All Wells :��':1l`'I Key Well
5000
� t
Y
4500 0
G
0 1 A J 0 1 A J O 1 A J 0 1 A J 0 1 A J 0 1 A J O 1 A J 0 1 A J O 1 A J 0 1 A J 0 1
C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9
T 8 R L T 8 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9
8 9 0 1 2 3 4 5 6 7 8
OO'OAll Wells Key Well
')All Wells Key Well
Pressure vs. Time
ENDICOTT FIELD
5000 AREA=SDI $UBZ0NE=1
E 4500
m
I
a 3500
3000
0 1 A J 0 1 A J 0 1 A J O 1 A J 0 1 A J O 1 A J 0 1 A J 0 1 A J O 1 A J O 1 A J 0 1
C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9
T 8 R L T 8 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9
8 9 0 1 2 3 4 5 6 7 8
('J( (_Key Well
(All I/ Wells i,.'.)1„ I. 11 Key Well
Freeware vs. Time
ENDICOTT FIELD
5000_
AREA=NIK SUBZONE=3C
_
4500-
E
4000
0
3500
0
000o
3000-
CF
2500
`�
l
N
(J
y
a
2000-
00015001000O
1500-
1000-
01 A J 0
1 A J
0 1 A J 0 1
A J 0 1 A J 0 1 A J D 1 A J O
1 A J 0 1 A
J 0 1 A J 0 1
C 9 P U C
9 P U
C 9 P U C 9
P U C 9 P U C 9 P U C 9 P U C
9 P U C 9 P
U C 9 P U C 9
T 8 R L T
8 R L
T 9 R L T 9
R L T 9 R L T 9 R L T 9 R L T
9 R L T 9 R
L T 9 R L T 9
8
9
0 1
2 3 4
5 6
7 8
(All I/ Wells i,.'.)1„ I. 11 Key Well
Gfo�
4500
E 4000
Y
�o
cnn 3500
0
M 3000
0
0
Y
as
a) 2500
U)
N
H
1-
1
1500
1000
Presqurp vs. Time
ENDICOTT FIELD
ADVA—MTV CTT97n ATC —ID
0 1 A J 0 1 A J 0 1 A J O 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J O 1 A J 0 1 A J 0 1
C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9
T 8 R L T 8 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9
8 9 0 1 2 3 4 5 6 7 8
(.�j �/ All Wells J� J .� Key Well
()()()All wells ``t .)Key well
Pross.�a ire yrs. Time
ENDICOTT FIELD
5000
AREA=NIK SUBZONE=3A
E
4500
O_
W
k )
N
F-
c
4000
0
o
T
d
rl
N
a
500
3500-
3000.
3000
0 1 A J
0 1 A J
0 1
A J 0
1 A J 0 1 A J O 1 A J 0 1
A J
0 1 A J 0 1 A
J 0 1 A J
0 1
C 9 P U
C 9 P U
C 9
P U C
9 P U C 9 P U C 9 P U C 9
P U
C 9 P U C 9 P
U C 9 P U
C 9
T 8 R L
T 8 R L
T 9
R L T
9 R L T 9 R L T 9 R L T 9
R L
T 9 R L T 9 R
L T 9 R L
T 9
8
9
0
1 2 3 4
5 6
7
8
()()()All wells ``t .)Key well
r
000AII Wells Key Well
Presnurv yrs. 'Ume
ENDICOTT FIELD
5000
AREA=NIK SUBZONE=2B
�a
3
J
la
4500-
500400035003000
4000-
3500-
30001
0
1 A J
O 1 A J O
1 A J 0 1
A J 0 1 A J O 1 A J 0 1 A
J 0 1 A
J 0 1 A
J 0 1 A J 0 1
C
9 P U
C 9 P U C
9 P U C 9
P U C 9 P U C 9 P U C 9 P
U C 9 P
U C 9 P
U C 9 P U C 9
T
8 R L
T 8 R L T
9 R L T 9
R L T 9 R L T 9 R L T 9 R
L T 9 R
L T 9 R
L T 9 R L T 9
8
9
0 1
2 3 4
5
6
7 8
000AII Wells Key Well
5000
E 4500
3
Y
m
D
!�1
i
0 4000
0
0
Y
Pressure vs, Tinw
ENDICOTT FIELD
a 3500
KIQoII]
0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1 A J 0 1
C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9 P U C 9
T 8 R L T 8 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9 R L T 9
8 9 0 1 2 3 4 5 6 7 8
OOO All Wells <, � (-')') Key Well
