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Alaska Oil and Gas Conservation Commission
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HomeMy WebLinkAbout100-017 ''of Tk THE STATE Department of Environmental
F , �M o f�LAS1(� A Conservation
Division of Spill Prevention and Response
_=~_ Contaminated Sites Program
' GOVERNOR SEAN PARNELL
off, \ �. 610 University Ave.
ALAS Fairbanks,Alaska 99709-3643
RECEIVED Main:907.451.2181
Fax:907.451.5105
FEB 0 7 2014
File: 320.38.010
February 4, 2014 AOGCC
Certified Mail, Return Receipt Requested
Article No.: 7012 2210 0002 1216 2391
SCANNED F P 1 6 2014.
Wayne Svejnoha
BLM—Division of Resources
222 W 7th Ave, #13
Anchorage,Alaska 99513
Re: Potentiall Responsible Party Notice Letter and Information Request
NPRA Legacy Wells - General
Hazard ID: 26125
Ledger Code: 14339387
Dear Mr. Svejnoha:
This letter is to advise you that the Alaska Department of Environmental Conservation (ADEC) has
identified the 136 legacy wells within the National Petroleum Reserve in Alaska (NPRA) as potential
contaminated sites. Some of these wells require extensive cleanup of oil and other hazardous substances
released to the environment. Since you are identified as a current or past owner and/or operator of these
sites,please be advised you may be financially responsible or liable for the investigation and /or cleanup of
any hazardous substance contamination that might be present.
Alaska Statute 46.03.822 establishes who is liable for contamination. Records available to the ADEC
indicate that you meet one or more of the following criteria:
» owned or controlled the hazardous substance at the time of its release;
» own(ed) or operate(d) the property or facility from which the release occurred;
» owned or operated property at which the hazardous substance came to be located;and
» arranged for transport, disposal or treatment of hazardous substances that were released.
Site History
From 1944 through 1982 the US Government drilled 136 wells to explore for oil and gas resources in the
NPRA. It is our understanding that other federal agencies and some private companies may have operated
or managed these sites in the past. We have also been informed that 23 of these well have been conveyed to
public and private entities.
The ADEC currently lists 14 of the 136 legacy wells on our database of contaminated sites. The Bureau of
Land Management (BLM) is identified as the responsible party for the following sites.
Wayne Svejnoha 2 February 4,2014
• BLM Cape Halkett Drill Site (File # 300.38.108)
• BLM East Simpson#2 (File # 300.38.109)
• BLM East Teshekpuk Drill Site (File # 300.38.110)
The U.S.Army Corps of Engineers,under the Formerly Used Defense Sites program,is working with
ADEC under the Defense States Memorandum of Agreement on cleanup actions at the 11 Umiat test well
sites. BLM is identified as the landowner in our records, and as such is identified as a potentially responsible
party in addition to the Department of Defense:
• Umiat Test Wells 1-11 (File # 335.38.001)
The information contained in these files is part of the public record. Our databases are accessible on the
Internet at: http://dec.alaska.gov/spar/csp/db_search.htm
Additional Actions Needed
ADEC sent a letter on July 11,2013,identifying an additional 15 legacy well sites with confirmed releases
(enclosed). As stated in the letter,ADEC recommends that BLM develop a plan to address known,
suspected,and unknown releases at the legacy well sites,in coordination with the appropriate regulatory
agencies. We expected a response to this letter before now. Please respond to this letter within 30 days.
After we receive and review your response we will determine what additional actions will be taken regarding
each site with known or suspected contamination.
In addition,with your response,please complete and return the enclosed questionnaire requesting more
information about past operators.
In accordance with Alaska Statute Title 46,ADEC is authorized to provide regulatory oversight for any
contamination response efforts initiated by the responsible party. However,if response actions by the
responsible party are not satisfactory to ADEC,we may then assume the lead role in the investigation and
cleanup efforts. In the event that State response actions are necessary, the responsible parties may be held
financially liable for any response actions taken by the State.
Alaska Statutes 46.04.010 and 46.08.070 establish cost recovery procedures for certain costs,including
oversight activities,incurred by the State in responding to pollution incidents. If you are determined to be a
responsible or liable party,ADEC may bill you at a later date for our expenditures associated with this
pollution incident. Expenses for which we may seek reimbursement include: Staff time associated with
general or technical assistance;work plan review;project oversight;general project management;legal
services;interest;travel;equipment and supplies;and any contracting costs. Pursuant to Alaska Statute
46.08.075,the State may also file liens against all property owned by a person who is responsible or liable for
State expenditures.
Please respond in writing within thirty (30) days from the date of this letter addressing your intended actions
with respect to this pollution incident. If you believe someone else is responsible for this pollution incident
(e.g.,a past owner or operation of the site) or if you have any questions concerning this matter,please
contact Mr. Fred Vreeman at (907) 451-2181. The attached"ADEC Information Request" describes the
minimum information expected in your response. Additional information may needed to evaluate the risks
and responses required at each legacy well site.
Sincerely,
Fred Vreeman
Environmental Program Manager
G:\SPAR\CS\Contaminated Site Files(38)\320 National Petro Reserve Area\320.38.010 NPRA Legacy Wells General\2-2-2014 Letter\PRP Letter All Wells.docx
Wayne Svejnoha 3 February 4,2014
Enclosure: ADEC Information Request Concerning Contaminated Sites
BLM Legacy Wells Dispute letter date July 11, 2013
cc: Bud Cribley,Director,Bureau of Land Management
Steven Cohn, Deputy Director, Bureau of Land Management
Jolie Pollet,Branch Chief,Bureau of Land Management
Robert Brumbaugh, Geologist,Bureau of Land Management
Michael McCrum, Environmental Engineer,Bureau of Land Management
Larry Hartig, Commissioner,Alaska Department of Environmental Conservation
Lynn Kent, Deputy Commissioner,Alaska Department of Environmental Conservation
Kristen Ryan, Director,Alaska Department of Environmental Conservation
Lori Aldrich, Program Manager,Alaska Department of Environmental Conservation
Steve Bainbridge,Program Manager,Alaska Department of Environmental Conservation
Jennifer Roberts,Program Manager,Alaska Department of Environmental Conservation
ADEC Response Fund Administration
G:\SPAR\CS\Contaminated Site Files(38)\320 National Petro Reserve Area\320.38.010 NPRA Legacy Wells General\2-2-2014 Letter\PRP Letter All Wells.docx
ADEC INFORMATION REQUEST
Concerning a contaminated site(s)
Re: Legacy Well Sites in and near the National Petroleum Reserve, Alaska (NPRA)
Please precede each answer with the number of the question to which it corresponds. Please direct any
questions concerning this information request to Fred Vreeman, Contaminated Sites Program, 610
University Avenue,Fairbanks,AK 99709; Phone: 907-451-2181. Thank you for your cooperation.
1. Provide name and company affiliation of the person answering the questionnaire.
2. Provide copies of all studies, reports, and supporting information (including preaquisition assessments
and work done on behalf of other parties) which you have knowledge of which address past and/or
present environmental conditions at the site. Identify the name,title, address, and phone number of the
party(s) who are responsible for preparing the studies or information. Information which has been
previously submitted to ADEC need not be submitted again(unless specifically requested in a
subsequent communication) if you can provide the name of the office (and name and title of the DEC
officer if known)to whom the report was previously provided.
3. Provide a description of any ongoing or planned investigations or cleanup work at the site. Identify the
names, titles and phone numbers of the individuals responsible for preparing the studies or information.
4. Provide a description of known releases at the site (date of occurrence, quantity released,type of
substance released, etc.) and a description of corrective measures that were taken. Provide information
on any suspected releases which may have or are occurring.
5. Describe the nature of past and present operations at the site. In particular, any actions that may have
caused the release or threat of release at the site. Describe the physical characteristics of the site
including major structures, water wells, fuel or waste storage systems, drainage or septic systems, etc.
6. Provide a list of any permits issued by the Department which relate to activities at the site and a list of
RCRA identification numbers (U.S. EPA identification numbers)which may be held.
7. Identify persons to whom you leased all or a portion of the property and describe the nature of their
operations.
8. Identify the person(s)who used the site for disposal of substances deposited there, if any.
9. Provide copies of manifests for any hazardous waste and/or petroleum contaminated materials taken to
or from the site.
10. Provide a list of persons and their phone numbers and addresses of persons who have knowledge about
the use of hazardous substances at the site.
11. Provide information regarding the existence of insurance coverage for damages resulting from releases
of hazardous substances and copies of all such insurance policies, both currently in effect and in effect
during the periods of activity in question.
12. Describe the acts or omissions of any person, other than your employees, agents, or those persons with
whom you had a contractual relationship,that may have caused the release or threat of release of
hazardous substances at the site.
a. In addition, describe all precautions that you took against foreseeable acts or omissions of any such
third parties.
13. Describe the care you exercised with respect to the hazardous substances found at the site.
14. Describe the physical characteristics of the site including structures,wells, drainage systems, etc.
1
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°F Tif Department of Environmental
//7„.4* THE STATE
� Conservation
�Z�- �•.��, 0fAL ,(� S�
Mitt
*t` Division of Spill Prevention and Response
{ r
GOVERNOR SEAN PARNELL Contaminated Sites Program
o610 University Ave.
ALAS Fairbanks,Alaska 99709-3643
Main:907.451.2181
Fax:907.451.2155
July 11,2013
Wayne Svejnoha
Supervisory Minerals&Energy Specialist
222 W 7th Avenue,#13
Anchorage,Alaska 99513
Re: BLM Legacy Wells Dispute
Dear Mr.Svejnoha:
The Alaska Department of Environmental Conservation (ADEC)—Contaminated Sites has reviewed the
National Petroleum Reserve in Alaska: 2013 Legacy Wells Summary Report dated February 2013, containing
updated information on the status of the 136 Legacy Wells located in the National Petroleum Reserve—
Alaska (NPR-A),and the draft National Petroleum Reserve in Alaska: 2013 Legacy Wells Strategic Plan
dated May 2013. ADEC has also reviewed the response by the Alaska Oil and Gas Conservation
Commission (AOGC). We concur with the response by AOGC and have no further comment regarding
the priorities. We do have comments about the investigation and cleanup plans presented in the report.
With this letter we are outlining regulatory requirements related to the environmental work that is proposed
and required as part of these cleanups.
ADEC is concerned that the 2013 Legacy Wells Strategic Plan prepared by the BLM does not include either
assessment or the contingency for assessment of known,likely,or unknown but possible contaminant
releases. In addition,BLM plans for surface cleanup of these wells should be made clear in the plan. At
least one of these legacy wells has extensive PCB contamination and has resulted in a multi-year cleanup
totaling tens of millions of dollars. At others, solid waste disposal practices have resulted in releases to the
environment with estimated cleanup costs in the hundreds of millions.
Known releases documented in the records we reviewed include crude oil,gasses,refined oil and fuel,
drilling fluids that include various organics,metals,and other chemicals,and unknown contaminants from
drums and other containers observed to be damaged and abandoned at the various well sites. There are 13
legacy well sites with known releases currently on the DEC contaminated sites list. Many of these are in the
process of being addressed,cleaned up,and closed. From our limited records review there are 15 additional
legacy well sites with confirmed releases. These should be prioritized for initial records reviews and then
added to the BLM contaminated sites list under our cooperative agreement.
Suspected releases include fuel releases from operations,storage,and fuel spills at the sites,impacts to
various surface water bodies from spilled fluids during drilling and breaches of containment at reserve and
flare pits,continued surface runoff from drilling fluids uncontained at several sites,and down-hole
substances that were ejected from the holes over time or during blowouts or drilling operations.
Wayne Svejnoha 2 July 11,2013
The,BLM plan to address these known,suspected,and unknown releases at legacy well sites is notably
absent from the documents presented to date. The three primary regulatory agencies that need to be
involved in the plan are ADEC—Contaminated Sites,Alaska Oil&Gas Conservation Commission,and
ADEC—EH/Solid Waste. Other agencies will need to be consultedas well. Below we provide
recommendations for a coordinated plan using the Uniform Federal Policy for Quality Assurance Project
Plans (UFP-QAPP) that will involve all of the regulatory agencies in one coordinated manner. This will
allow BLM to address these sites in a consistent and coordinated project which fulfills all of the regulatory
requirements so that the sites do not need to be re-visited in the future when they are closed after this
project.
Attached are our comments on each specific well. The acronyms used on the list include terms that are
typically used in a CERCLA type investigation however they are also suitable for investigations conducted
under the State of Alaska cleanup rules. These include the following;
Historical Records Review(HRR)
This is recommended for almost all of the well sites. Much of the information required for these reviews is
already contained in various reports and appendices or in BLM files. The Historical Records Review should
document the type of releases that might have occurred from drilling operations as well as historical use of
the site,and should capture all available information on the drilling fluids used and any product produced or
released.
Preliminary Assessment(PA)
This is recommended for almost all of the well sites. A Preliminary Assessment is a limited scope
investigation that provides an assessment of information about a site and its surrounding area to distinguish
between sites that pose little or no threat to human health or the environment and sites that require further
investigation. The PA is a CERCLA defined document and typically does not require sampling.
Site Inspection(SI)
If the PA recommends further investigation, then an SI is necessary. The SI is a CERCLA defined
document,and it is analogous to an initial report of contamination under state cleanup rules. On some
legacy well drillings sites it is evident now that an SI is required just from a review of the reports. An SI
investigation typically includes the collection of samples to determine what contaminants are present at the
site and whether they are being released into the environment. An approved site specific workplan is
required under both CERCLA and 18 AAC 75 prior to SI sampling. The SI typically is not intended to
develop a full site characterization,but is limited to determining the presence or absence of a release.
If contamination is found after completion of the HRR,PA,and SI then a RI/FS under CERCLA,or a Site
Characterization Reportand cleanup-plan uridPr 1R A AC 75-is required. .-- - ---- -- -
DEC recommends that BLM incorporate into the strategic plan the processes outlined in this letter. A team
of agencies composed of AOGC,DEC-CS,EPA as required,and DEC-EH should address regulatory and
technical requirements for these well closures. By cooperating and working together with the regulatory
agencies BLM will save tune and expense,and regulatory uncertainties will be avoided.
The strategic plan should reference a project to prepare a generic workplan. DEC suggests that BLM utilize
the generic UFP-QAPP workplan format for the required environmental work. If properly prepared,the
workplan could encompass most of the investigations and cleanups required at these sites over multiple
years. At other multi-site projects we have found this to be an effective way to reduce uncertainties and risk
in these types of investigations. A very small site specific FSP could then be developed as BLM approaches
each drilling site. Regulatory decisions made during workplan development would provide more certainty in
the planning process for cleanups.
G:\SPAR\CS\federal Facilities\Civilian Fudenl Agencies\DOl\131.M\Projects\l.cgacy Wells\7 11 13 letter to MSN on lAgaey Wells.docx
Wayne Svejnoha 3 July 11,2013
Please review the attached list of specific sites. If you have any questions,please do not hesitate to call me
at 907-451-2181 or by email at fred.vreeman@alaska.gov. I look forward to working with you as the
Federal Government fulfills its requirement to clean up these well drilling sites in Alaska.
Sincerely,
Fred Vreeman
Environmental Program Manager
Enclosure: SPAR.Response with Legacy Wells
cc: Bud Cribley,State Director,Bureau of Land Management
Steven Cohn,Deputy State Director for Resources,Bureau of Land Management
Jolie Pollet,Branch Chief,Bureau of Land Management
Robert Brumbaugh,Geologist,Bureau of Land Management
Michael McCrum,Environmental Engineer,Bureau of Land Management
Cathy Foerster, Commissioner,Alaska Oil and Gas Conservation Commission
Larry Hartig,Commissioner,Alaska Department of Environmental Conservation
Kristen Ryan,Director,ADEC Division of Spill Prevention and Response
Steve Bainbridge,Program Manager,ADEC Contaminated Sites Program
Jennifer Roberts,Program Manager,ADEC Contaminated Sites Program
•
C:\SPAR\CS\Federal \Civilian Federal Agcncits\DOI\111.N\Projects\I.ciey Wells\7 11 1314,ttcr to B1.1%1 on 1.c}}cy WcIls.docx
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9F�\\177 - THE STATE �,.:ry ar",,I"r cnt (If li nvilr I:ZL' ieataL
� Of b l 1_ �`v� 1: L Conservation
Vii:
Division of Spill Prevention and Response
e Contaminated Sites Program
GOVERNOR SEAN PARNELL
O,, �sp. 610 University Ave.
Fairbanks,Alaska 99709-3643
Main:907.451.2181
Fax:907.451.2155
July 11, 2013
Wayne Svejnoha
Supervisory Minerals & Energy Specialist SEWED MAR 2O1
222 W 7th Avenue, #13
Anchorage,Alaska 99513
Re: BLM Legacy Wells Dispute
Dear Mr. Svejnoha:
The Alaska Department of Environmental Conservation (ADEC) —Contaminated Sites has reviewed the
National Petroleum Reserve in Alaska: 2013 Legacy Wells Summary Report dated February 2013, containing
updated information on the status of the 136 Legacy Wells located in the National Petroleum Reserve—
Alaska (NPR-A), and the draft National Petroleum Reserve in Alaska: 2013 Legacy Wells Strategic Plan
dated May 2013. ADEC has also reviewed the response by the Alaska Oil and Gas Conservation
Commission (AOGC). We concur with the response by AOGC and have no further comment regarding
the priorities. We do have comments about the investigation and cleanup plans presented in the report.
With this letter we are outlining regulatory requirements related to the environmental work that is proposed
and required as part of these cleanups.
ADEC is concerned that the 2013 Legacy Wells Strategic Plan prepared by the BLM does not include either
assessment or the contingency for assessment of known,likely, or unknown but possible contaminant
releases. In addition, BLM plans for surface cleanup of these wells should be made clear in the plan. At
least one of these legacy wells has extensive PCB contamination and has resulted in a multi-year cleanup
totaling tens of millions of dollars. At others, solid waste disposal practices have resulted in releases to the
environment with estimated cleanup costs in the hundreds of millions.
Known releases documented in the records we reviewed include crude oil,gasses,refined oil and fuel,
drilling fluids that include various organics,metals,and other chemicals,and unknown contaminants from
drums and other containers observed to be damaged and abandoned at the various well sites. There are 13
legacy well sites with known releases currently on the DEC contaminated sites list. Many of these are in the
process of being addressed,cleaned up, and closed. From our limited records review there are 15 additional
legacy well sites with confirmed releases. These should be prioritized for initial records reviews and then
added to the BLM contaminated sites list under our cooperative agreement.
Suspected releases include fuel releases from operations, storage, and fuel spills at the sites,impacts to
various surface water bodies from spilled fluids during drilling and breaches of containment at reserve and
flare pits, continued surface runoff from drilling fluids uncontained at several sites, and down-hole
substances that were ejected from the holes over time or during blowouts or drilling operations.
Wayne Svejnoha 2 July 11, 2013
The BLM plan to address these known, suspected, and unknown releases at legacy well sites is notably
absent from the documents presented to date. The three primary regulatory agencies that need to be
involved in the plan are ADEC —Contaminated Sites,Alaska Oil&Gas Conservation Commission, and
ADEC —EH/Solid Waste. Other agencies will need to be consulted as well. Below we provide
recommendations for a coordinated plan using the Uniform Federal Policy for Quality Assurance Project
Plans (UFP-QAPP) that will involve all of the regulatory agencies in one coordinated manner. This will
allow BLM to address these sites in a consistent and coordinated project which fulfills all of the regulatory
requirements so that the sites do not need to be re-visited in the future when they are closed after this
project.
Attached are our comments on each specific well. The acronyms used on the list include terms that are
typically used in a CERCLA type investigation however they are also suitable for investigations conducted
under the State of Alaska cleanup rules. These include the following;
Historical Records Review (HRR)
This is recommended for almost all of the well sites. Much of the information required for these reviews is
already contained in various reports and appendices or in BLM files. The Historical Records Review should
document the type of releases that might have occurred from drilling operations as well as historical use of
the site, and should capture all available information on the drilling fluids used and any product produced or
released.
Preliminary Assessment (PA)
This is recommended for almost all of the well sites. A Preliminary Assessment is a limited scope
investigation that provides an assessment of information about a site and its surrounding area to distinguish
between sites that pose little or no threat to human health or the environment and sites that require further
investigation. The PA is a CERCLA defined document and typically does not require sampling.
Site Inspection (SI)
If the PA recommends further investigation, then an SI is necessary. The SI is a CERCLA defined
document, and it is analogous to an initial report of contamination under state cleanup rules. On some
legacy well drillings sites it is evident now that an SI is required just from a review of the reports. An SI
investigation typically includes the collection of samples to determine what contaminants are present at the
site and whether they are being released into the environment. An approved site specific workplan is
required under both CERCLA and 18 AAC 75 prior to SI sampling. The SI typically is not intended to
develop a full site characterization,but is limited to determining the presence or absence of a release.
If contamination is found after completion of the HRR,PA,and SI then a RI/FS under CERCLA, or a Site
Characterization Report and cleanup plan under 18 AAC 75 is required.
DEC recommends that BLM incorporate into the strategic plan the processes outlined in this letter. A team
of agencies composed of AOGC, DEC-CS,EPA as required, and DEC-EH should address regulatory and
technical requirements for these well closures. By cooperating and working together with the regulatory
agencies BLM will save time and expense, and regulatory uncertainties will be avoided.
The strategic plan should reference a project to prepare a generic workplan. DEC suggests that BLM utilize
the generic UFP-QAPP workplan format for the required environmental work. If properly prepared, the
workplan could encompass most of the investigations and cleanups required at these sites over multiple
years. At other multi-site projects we have found this to be an effective way to reduce uncertainties and risk
in these types of investigations. A very small site specific FSP could then be developed as BLM approaches
each drilling site. Regulatory decisions made during workplan development would provide more certainty in
the planning process for cleanups.
(:•\CPAR\('C\Fs.rin.el Fn.41:r:PC\r;v;t;a.,FP,T PMt Ao.nriec\r)0T\RIM\Proiects\Leeacv Wells\711 13 Letter to BLM on Legacy Wells.docx
Wayne Svejnoha 3 July 11, 2013
Please review the attached list of specific sites. If you have any questions, please do not hesitate to call me
at 907-451-2181 or by email at fred.vreeman @alaska.gov. I look forward to working with you as the
Federal Government fulfills its requirement to clean up these well drilling sites in Alaska.
Sincerely,
Fred Vreeman
Environmental Program Manager
Enclosure: SPAR Response with Legacy Wells
cc: Bud Cribley, State Director, Bureau of Land Management
Steven Cohn, Deputy State Director for Resources, Bureau of Land Management
Jolie Pollet, Branch Chief, Bureau of Land Management
Robert Brumbaugh, Geologist, Bureau of Land Management
Michael McCrum, Environmental Engineer, Bureau of Land Management
Cathy Foerster, Commissioner, Alaska Oil and Gas Conservation Commission
Larry Hartig, Commissioner, Alaska Department of Environmental Conservation
Kristen Ryan, Director,ADEC Division of Spill Prevention and Response
Steve Bainbridge, Program Manager,ADEC Contaminated Sites Program
Jennifer Roberts, Program Manager,ADEC Contaminated Sites Program
•
G:\SPAR\CS\Federal Facilities\Civilian Federal Agencies\DOI\BLM\Projects\Legacy Wells\7 11 13 Letter to BLM on Legacy Wells.docx
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U. S. 0 T2.3
Navy Oil Unit Laboratory
Fairbanks, Al.aska
SIieSON TAST NO, 24
(Lithologic Description)
Core Dep th Recovery scriptio_n
9&-lO lOn Maly clay and clay, light gray, poor shaly
cleavage; noncalcareous; dip 17
. Microfossile very rare.
2 296-306/ 90" Shaly clay, light gray soft, with occasional
medium light grey micaceous-silty partings,. good.
hackly cleavage ; non-ce.l.c.tareous; dip 5-10
Microfossils absent,
3 446-458i /WO" 1t0" Shaly clay as above but with less hackly cleavage
and more silty partin dark brownish "stain"
in partings is caused by a concentration of the
minute pyrite grains in the silt.
0'3" Limeetote, medium gray, hard, slightly silty
contains biotite and carbonaceous flecks,
8'9" Shaly clay as in first interval of this core;
non-calcareous; dip 7
Microfossila very rare.
4 600-510 7 Sandstone, medium light giey, practically - uncon-
solidated., subaugular to subround.ad grains, fine
grained, approximately 90% white and clear quart the balance is of a dark mineral,„ muscovite,
biotite, chlorite and other alteration product non-calcareous. No shows
Microfossils absent,
•
700-710' 76 Sandstone as e.bove, very fine to fine grained,
some yellow "quarts", rare very carbonaceous
partings; non-calcarsous; beds flat-lying or with
very low dip, No shows.
Miorofossils absent,
Lithologic Description - Ditch
Th.e following i.s a summary based. on thf washed cutting, the well geologiat's
report and. the electric lcg, Ditch samples are badly contamina.ed by cave from the
C--abik (no tnn'face casing set).
Interval Description
0-30 Tundra, lee and clay,. medium gray with yellowish cast, small amount
of sand.„
30-40 Sand, medium light olive g'sy, fine to medium grain.ed, eubangtdar t(:4
rounded. and polished, varicolored quartz and chart, pelecypod
frarn'ns rare.,
- 7 STRiCTEr.) F C 7-7 ;"..7', FM"' U .97 F.: Cr
A
copy ....
• \d)
1111 •
Interval Description.
40-80 Sand, as above, fine to very coarse, granules and pebbles of chert,
ouart3ite and dark igneous rock, angular to rounded, also some
yello (limonite stained?) olay, peleoypod fragments common
in upper part of interval,
80-100 Clay, medium light gray, sand as above, Cretaceous contact at about
85 ft, Volcanic glass shards present,
98-10W Core 1
110-300 Clay, light gray to medium light gray, pyrite rare to common 180
Much ',;urdra and Gubik contamination,
296-306 Core 2
310-320' Limestone, medium dark gray, slightly silty, contains mica and
earbonaoecus fragments, Some yellowish gray clay ironstone, also
clay, medium light gray.
$20-44:“ Clay, light gray to medium light gray, some pyrite 340-40W
446-458 Core 3
460-560 Clay
580-580 Clay and light gray to very light gray partially crystalline
(party powdery) calcite, calcite quite abundant 570-580
580-800' Sand, medium light gray, fine grained, subangular, approximately
80% white and clear auartz, 20 L dark chert and other dark minerals,
600-5l0' Core 4
610-54V Sand, fine, 90% quartz, some clay,
640-550 Sand, very fine to fine, subangular, mica
650-680 ' Sand, also dark yellowish brom clay ironstone concretion.
660-580' Sand, small amount of clay, mica
seo-6go Sand, fine, sUbangular, 80% quartz, dark yellowish brown clay
ironsons concretion.
690-700' Sand, som e dull black coal,
700-710' Pre 5
710-730' Sand, very fine, 75% whlte and clear Quartz, 15% yellow quartz (7),
dark minerals, mica, some clay.
730-7'10' Clay, medium light gray, some siald,
740-770' Sandpnedium light gray, subangular to subrounded, fine grained
(and olightly larger), Ilhtte and clear quartz, dark chart and coal
partioles,
770-790 Sand, very fine to fine grained, cuartz 85%
790-800 Sand, Quartz 80%, very small amount of zarnet,
500-840' Sand: quartz 75%, very fine to fine, grayish yellow clay ironstone
concrotion 8
840-35W Sand, very fine, primarily white quartz, also some yellow quartz (?),
mica,
850-870' Sand, very fine to Tilt, top Laevldentalium fragments at 850.
870-900' Sand, silt and clay, medium light gray, Laevidentalium.
Although this test io close to Simpson Seep No. 1, no oil shows were encountered,
A good fluorescence but no cut was reported by the well geologist in the lower three
feet of Core 4 (500
The lower sandi seot:,.on of this test is in Zone 7, of the Yanushuk. One foraminifer
found in Core 1 (98-108) and another found in the ditob 350-360" have been described
Previously only in Zone T . A foraminifer from Core 3 (44$-450') has been found only in
Zones 7 and older,
•
'Florence Robinson, Geologist
February 16, 1950
43
