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Alaska Oil and Gas Conservation Commission
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HomeMy WebLinkAbout225-083Nolan Vlahovich Hilcorp Alaska, LLC
Geotech 3800 Centerpoint Drive, Suite 1400
Anchorage, AK 99503
Tele: (907) 564-4558
E-mail: nolan.vlahovich@hilcorp.com
Please acknowledge receipt by signing and returning one copy of this transmittal.
Received By: Date:
Date: 2/4/2026
To: Alaska Oil & Gas Conservation Commission
Natural Resource Technician
333 W 7th Ave Suite 100
Anchorage, AK 99501
SFTP DATA TRANSMITTAL T#20260204
Well API # PTD # Log Date Log
Company Log Type AOGCC
E-Set#
BRU 223-34T 50283202060000 225059 12/31/2025 AK E-LINE Perf T41308
BRU 244-27 50283201850000 222038 1/2/2026 AK E-LINE Perf T41309
CLU 11RD 50133205590000 225013 1/2/2026 YELLOWJACKET SCBL T41310
CLU 11RD 50133205590000 225013 12/19/2025 YELLOWJACKET SCBL T41310
END 1-25A 50029217220100 197075 11/7/2025 HALLIBURTON COILFLAG T41311
END 1-25A 50029217220100 197075 12/26/2025 READ PressTempSurvey T41311
END 2-40 50029225270000 194152 12/18/2025 READ PressTempSurvey T41312
END 2-52 50029217500000 187092 12/24/2025 HALLIBURTON MFC40 T41313
END 2-56A 50029228630100 198058 1/1/2026 HALLIBURTON COILFLAG T41314
END 2-56A 50029228630100 198058 1/19/2026 READ CaliperSurvey T41314
KALOTSA 3 50133206610000 217028 1/14/2026 YELLOWJACKET PERF T41315
KALOTSA 3 50133206610000 217028 1/9/2026 YELLOWJACKET PERF T41315
KALOTSA 8 50133207050000 222003 12/18/2025 YELLOWJACKET PERF T41316
KBU 44-06 50133204980000 200179 12/22/2026 YELLOWJACKET CBL T41317
KBU 44-06 50133204980000 200179 11/12/2025 YELLOWJACKET PLUG T41317
KU 24-07RD 50133203520100 205099 1/6/2026 AK E-LINE CBL T41318
KU 24-07RD 50133203520100 205099 1/6/2026 AK E-LINE Plug/Cement T41318
KU 24-07RD 50133203520100 205099 1/1/2026 AK E-LINE Plug/Cement/TubingPunch T41318
MPI-36 50029236770000 220047 1/19/2026 READ CaliperSurvey T41319
MPI-36 50029236770000 220047 1/19/2026 READ LeakDetectLog T41319
NCIU A-19 50883201940000 224026 1/7/2025 AK E-LINE Perf T41320
NFU 42-35 50231200460000 214170 1/8/2026 YELLOWJACKET PERF T41321
NIK OI24-08 50029234570000 211130 1/19/2026 HALLIBURTON COILFLAG T41322
ODSN-04 50703206700000 213037 1/20/2026 HALLIBURTON LDL T41323
ODSN-22 50703207080000 215054 12/20/2025 READ LeakDetection T41324
PBU 15-11D 50029206530400 225112 1/18/2026 HALLIBURTON RBT-COILFLAG T41325
PBU 15-43 50029226760000 196083 12/21/2025 HALLIBURTON RBT T41326
PBU B-30B 50029215420200 225009 1/24/2026 HALLIBURTON RBT-COILFLAG T41327
PBU C-33B 50029223730200 225096 12/16/2025 HALLIBURTON RBT-COILFLAG T41328
Gavin Gluyas Digitally signed by Gavin Gluyas
Date: 2026.02.05 09:10:43 -09'00'
Nolan Vlahovich Hilcorp Alaska, LLC
Geotech 3800 Centerpoint Drive, Suite 1400
Anchorage, AK 99503
Tele: (907) 564-4558
E-mail: nolan.vlahovich@hilcorp.com
Please acknowledge receipt by signing and returning one copy of this transmittal.
Received By: Date:
PBU D-26B 50029215300200 206098 12/20/2025 HALLIBURTON ISAT
T41329
PBU D-26B 50029215300200 206098 12/19/2025 BAKER SPN
T41329
PBU F-21A 50029219490100 225019 1/18/2026 HALLIBURTON RBT-COILFLAG
T41330
PBU J-21A 50029217050100 225106 1/21/2026 HALLIBURTON RBT-COILFLAG
T41331
PBU L-291 50029237790000 224002 12/26/2025 HALLIBURTON RBT
T41332
PBU L-291 50029237790000 224002 12/9/2025 YELLOWJACKET RCBL
T41332
PBU S-107A 50029220440200 225083 12/8/2025 HALLIBURTON RBT-COILFLAG
T41333
PBU S-201A 50029229870100 219092 1/21/2026 HALLIBURTON WFL-TMD3D
T41335
PBU S-24B 50029220440200 203163 12/22/2025 HALLIBURTON RBT
T41334
PBU S-24B 50029230230100 203163 12/23/2025 HALLIBURTON WFL-TMD3D
T41334
SRU 223-15 50133207410000 225123 1/29/2026 YELLOWJACKET GPT-PERF
T41336
SRU 223-15 50133207410000 225123 1/20/2026 YELLOWJACKET SCBL
T41336
SRU 233-10 50133207400000 225113 12/30/2026 AK E-LINE CBL
T41337
SRU 233-10 50133207400000 225113 1/10/2026 YELLOWJACKET SCBL
T41337
SRU 233-10 50133207400000 225113 1/6/2026 YELLOWJACKET SCBL
T41337
SRU 34-28 50133101580000 163007 1/7/2026 YELLOWJACKET Gamma Ray
T41338
SU 32-16 50133207380000 225095 1/17/2026 YELLOWJACKET GPT-PLUG-PERF
T41339
SU 32-16 50133207380000 225095 11/22/2025 YELLOWJACKET SCBL
T41339
SU 43-10 50133207390000 225107 12/10/2025 YELLOWJACKET SCBL
T41340
TBU A-12RD 50883200320100 171029 1/2/2026 AK E-LINE StripGun
T41341
TBU D-24A 50733202240100 174064 12/4/2025 AK E-LINE TubingPunch
T41342
Please include current contact information if different from above.
PBU S-107A 50029220440200 225083 12/8/2025 HALLIBURTON RBT-COILFLAG
Gavin Gluyas Digitally signed by Gavin Gluyas
Date: 2026.02.05 09:11:00 -09'00'
David Douglas Hilcorp North Slope, LLC
Sr. Geotechnician 3800 Centerpoint Drive, Suite 1400
Anchorage, AK 99503
Tele: (907) 777-8337
E-mail: david.douglas@hilcorp.com
Please acknowledge receipt by signing and returning one copy of this transmittal.
Received By: Date:
Hilcorp North Slope, LLC
Date: 01/05/2026
To: Alaska Oil & Gas Conservation Commission
Natural Resource Technician
333 W 7th Ave Suite 100
Anchorage, AK 99501
DATA TRANSMITTAL:
WELL: PBU S-107A
PTD: 225-083
API: 50-029-23023-01-00
*** REVISED DUE TO INCORRECT API NUMBER ON PWD FILES***
FINAL LWD FORMATION EVALUATION LOGS (10/18/2025 to 11/03/2025)
x Multiple Propagation and Azimuthal Resistivity (2” & 5” MD/TVD Color Logs)
x Final Definitive Directional Surveys
x Pressure While Drilling
SFTP Transfer – Main Folders:
Please include current contact information if different from above.
225-083
T41236
Gavin Gluyas Digitally signed by Gavin Gluyas
Date: 2026.01.05 14:01:11 -09'00'
CAUTION: This email originated from outside the State of Alaska mail system. Do not
click links or open attachments unless you recognize the sender and know the content
is safe.
From:Wallace, Chris D (OGC)
To:AOGCC Records (CED sponsored)
Subject:FW: OPERABLE: Injector S-107A (PTD #225083) MIT-T Passed
Date:Tuesday, December 23, 2025 7:41:39 AM
From: PB Wells Integrity <PBWellsIntegrity@hilcorp.com>
Sent: Tuesday, December 23, 2025 6:02 AM
To: PB Wells Integrity <PBWellsIntegrity@hilcorp.com>; Wallace, Chris D (OGC)
<chris.wallace@alaska.gov>
Cc: Torin Roschinger <Torin.Roschinger@hilcorp.com>; Regg, James B (OGC) <jim.regg@alaska.gov>;
Oliver Sternicki <Oliver.Sternicki@hilcorp.com>
Subject: OPERABLE: Injector S-107A (PTD #225083) MIT-T Passed
Mr. Wallace,
Injector S-107A (PTD #225083) tubing patch was set on 12/20 and subsequent MIT-T Passed on
12/22. The well is now classified as OPERABLE. Temporary flowback with portable test separator is
scheduled for 12/29. Post temporary flowback, an online AOGCC witnessed MIT-IA will be performed
post CTD and in accordance with AIO AA 22F.005 once the well is on stable injection.
Please call with any questions or concerns.
Ryan Holt
Hilcorp Alaska LLC
Field Well Integrity / Compliance
Ryan.Holt@Hilcorp.com
P: (907) 659-5102
M: (907) 232-1005
From: PB Wells Integrity
Sent: Tuesday, August 12, 2025 1:02 PM
To: Wallace, Chris D (OGC) <chris.wallace@alaska.gov>
Cc: Torin Roschinger <Torin.Roschinger@hilcorp.com>; jim.regg <jim.regg@alaska.gov>; Oliver
Sternicki <Oliver.Sternicki@hilcorp.com>
Subject: NOT OPERABLE: Injector S-107 (PTD #2011130) Tubing patch removed pre CTD
Mr. Wallace,
Injector S-107 (PTD #2011130) tubing patch was removed on 08/11 in preparation for CTD. The well
is now classified as NOT OPERABLE and will remain shut in until tubing integrity is restored.
Please call with any questions or concerns.
Ryan Holt
Hilcorp Alaska LLC
Field Well Integrity / Compliance
Ryan.Holt@Hilcorp.com
P: (907) 659-5102
M: (907) 232-1005
From: PB Wells Integrity <PBWellsIntegrity@hilcorp.com>
Sent: Saturday, January 22, 2022 10:20 AM
To: Brodie Wages <David.Wages@hilcorp.com>; PB EOC Specialists
<PBEOCSpecialists@hilcorp.com>; PB Wells Optimization Engineers
<PBWellsOptimizationEngineers@hilcorp.com>; PBW GC2 Field Lead Operator
<PBWGC2FieldLeadOperator@hilcorp.com>; PBW GC2 Foreman <PBWGC2Foreman@hilcorp.com>;
PBW GC2 Wellpad HUQ <PBWGC2WellpadHUQ@hilcorp.com>; PBW GC2 Wellpad LV
<PBWGC2WellpadLV@hilcorp.com>; PBW GC2 Wellpad MN <PBWGC2WellpadMN@hilcorp.com>;
PBW GC2 Wellpad RJ <PBWGC2WellpadRJ@hilcorp.com>; PBW GC2 Wellpad S
<PBWGC2WellpadS@hilcorp.com>; PBW GC2 Wellpad W <PBWGC2WellpadW@hilcorp.com>; PBW
GC2 Wellpad Z <PBWGC2WellpadZ@hilcorp.com>; PBW PCC Leads
<GC3ProdContCenterLeads@hilcorp.com>; Wyatt Rivard <wrivard@hilcorp.com>
Cc: Abbie Barker <Abbie.Barker@hilcorp.com>; Alaska IMS User <akimsuser@hilcorp.com>; Carrie
Janowski <Carrie.Janowski@hilcorp.com>; John Condio - (C) <John.Condio@hilcorp.com>; John
Menke <jmenke@hilcorp.com>; Kevin Brackett <Kevin.Brackett@hilcorp.com>; Oliver Sternicki
<Oliver.Sternicki@hilcorp.com>; Stan Golis <sgolis@hilcorp.com>
Subject: OPERABLE: Injector S-107 (PTD #2011130) AA 22F.001 granted
All,
Injector S-107 (PTD #2011130) is now classified as OPERABLE for WAG service. Please review
attached AA and place a laminated copy in the well house.
Please call with any questions or concerns.
Ryan Holt
Hilcorp Alaska LLC
Field Well Integrity / Compliance
Ryan.Holt@Hilcorp.com
P: (907) 659-5102
M: (907) 232-1005
From: PB Wells Integrity <PBWellsIntegrity@hilcorp.com>
Sent: Sunday, January 9, 2022 1:37 PM
To: Brodie Wages <David.Wages@hilcorp.com>; PB EOC Specialists
<PBEOCSpecialists@hilcorp.com>; PB Wells Optimization Engineers
<PBWellsOptimizationEngineers@hilcorp.com>; PBW GC2 Field Lead Operator
<PBWGC2FieldLeadOperator@hilcorp.com>; PBW GC2 Foreman <PBWGC2Foreman@hilcorp.com>;
PBW GC2 Wellpad HUQ <PBWGC2WellpadHUQ@hilcorp.com>; PBW GC2 Wellpad LV
<PBWGC2WellpadLV@hilcorp.com>; PBW GC2 Wellpad MN <PBWGC2WellpadMN@hilcorp.com>;
PBW GC2 Wellpad RJ <PBWGC2WellpadRJ@hilcorp.com>; PBW GC2 Wellpad S
<PBWGC2WellpadS@hilcorp.com>; PBW GC2 Wellpad W <PBWGC2WellpadW@hilcorp.com>; PBW
GC2 Wellpad Z <PBWGC2WellpadZ@hilcorp.com>; PBW PCC Leads
<GC3ProdContCenterLeads@hilcorp.com>; Wyatt Rivard <wrivard@hilcorp.com>
Cc: Abbie Barker <Abbie.Barker@hilcorp.com>; Alaska IMS User <akimsuser@hilcorp.com>; Carrie
Janowski <Carrie.Janowski@hilcorp.com>; John Condio - (C) <John.Condio@hilcorp.com>; John
Menke <jmenke@hilcorp.com>; Kevin Brackett <Kevin.Brackett@hilcorp.com>; Oliver Sternicki
<Oliver.Sternicki@hilcorp.com>; PB Wells Integrity <PBWellsIntegrity@hilcorp.com>; Stan Golis
<sgolis@hilcorp.com>
Subject: UPDATE: UNDER EVALUATION: Injector S-107 (PTD #2011130) AA amendment in process.
All,
The AOGCC has given approval to keep S-107 online while they process the application to amend the
AA to include MI. The Under Evaluation clock will be reset to track until the AA is processed.
Please respond with any questions.
Andy Ogg
Hilcorp Alaska LLC
Field Well Integrity / Compliance
andrew.ogg@hilcorp.com
P: (907) 659-5102
M: (307)399-3816
From: PB Wells Integrity <PBWellsIntegrity@hilcorp.com>
Sent: Friday, November 12, 2021 6:31 AM
To: Brodie Wages <David.Wages@hilcorp.com>; PB EOC Specialists
<PBEOCSpecialists@hilcorp.com>; PB Wells Optimization Engineers
<PBWellsOptimizationEngineers@hilcorp.com>; PBW GC2 Field Lead Operator
<PBWGC2FieldLeadOperator@hilcorp.com>; PBW GC2 Foreman <PBWGC2Foreman@hilcorp.com>;
PBW GC2 Wellpad HUQ <PBWGC2WellpadHUQ@hilcorp.com>; PBW GC2 Wellpad LV
<PBWGC2WellpadLV@hilcorp.com>; PBW GC2 Wellpad MN <PBWGC2WellpadMN@hilcorp.com>;
PBW GC2 Wellpad RJ <PBWGC2WellpadRJ@hilcorp.com>; PBW GC2 Wellpad S
<PBWGC2WellpadS@hilcorp.com>; PBW GC2 Wellpad W <PBWGC2WellpadW@hilcorp.com>; PBW
GC2 Wellpad Z <PBWGC2WellpadZ@hilcorp.com>; PBW PCC Leads
<GC3ProdContCenterLeads@hilcorp.com>; Wyatt Rivard <wrivard@hilcorp.com>
Cc: Abbie Barker <Abbie.Barker@hilcorp.com>; Alaska IMS User <akimsuser@hilcorp.com>; Carrie
Janowski <Carrie.Janowski@hilcorp.com>; John Condio - (C) <John.Condio@hilcorp.com>; John
Menke <jmenke@hilcorp.com>; Kevin Brackett <Kevin.Brackett@hilcorp.com>; Oliver Sternicki
<Oliver.Sternicki@hilcorp.com>; PB Wells Integrity <PBWellsIntegrity@hilcorp.com>; Stan Golis
<sgolis@hilcorp.com>
Subject: UPDATE: UNDER EVALUATION: Injector S-107 (PTD #2011130) Temporary MI service
All,
The AOGCC granted another 60-days of monitoring on MI. The Under Evaluation clock will be
adjusted accordingly.
Please respond with any questions.
Andy Ogg
Hilcorp Alaska LLC
Field Well Integrity / Compliance
andrew.ogg@hilcorp.com
P: (907) 659-5102
M: (307)399-3816
From: Alaska NS - PB - Field Well Integrity
Sent: Monday, September 13, 2021 3:05 PM
To: Alaska NS - PB - Field Well Integrity <PBFieldWellIntegrity@hilcorp.com>; Alaska NS - PB - EOC
Specialists <EOCSpecialists@hilcorp.com>; Alaska NS - PB - Wells Optimization Engineers
<WellsOE@hilcorp.com>; Alaska NS - PB W - GC2 - Field Lead Operator <GC2FieldLO@hilcorp.com>;
Alaska NS - PB W - GC2 - Foreman <GC2Foreman@hilcorp.com>; Alaska NS - PB W - GC2 - Wellpad
HUQ <AlaskaNS-PBW-GC2-WellpadHUQ@hilcorp.com>; Alaska NS - PB W - GC2 - Wellpad LV
<AlaskaNS-PBW-GC2-WellpadLV@hilcorp.com>; Alaska NS - PB W - GC2 - Wellpad MN <AlaskaNS-
PBW-GC2-WellpadMN@hilcorp.com>; Alaska NS - PB W - GC2 - Wellpad RJ <AlaskaNS-PBW-GC2-
WellpadRJ@hilcorp.com>; Alaska NS - PB W - GC2 - Wellpad S <AlaskaNS-PBW-GC2-
WellpadS@hilcorp.com>; Alaska NS - PB W - GC2 - Wellpad W <AlaskaNS-PBW-GC2-
WellpadW@hilcorp.com>; Alaska NS - PB W - GC2 - Wellpad Z <AlaskaNS-PBW-GC2-
WellpadZ@hilcorp.com>; Alaska NS - PB W - GC3 - ProdContCentLeads
<GC3ProdContCenterLeads@hilcorp.com>; Brian Glasheen <Brian.Glasheen@hilcorp.com>; Brodie
Wages <David.Wages@hilcorp.com>
Cc: Abbie Barker <Abbie.Barker@hilcorp.com>; Alaska IMS User <akimsuser@hilcorp.com>; Aras
Worthington <Aras.Worthington@hilcorp.com>; Carrie Janowski <Carrie.Janowski@hilcorp.com>;
John Condio - (C) <John.Condio@hilcorp.com>; Matthew Linder <mlinder@hilcorp.com>; Oliver
Sternicki <Oliver.Sternicki@hilcorp.com>; Stan Golis <sgolis@hilcorp.com>
Subject: UNDER EVALUATION: Injector S-107 (PTD #2011130) Temporary MI service
All,
Injector S-107 (PTD #2011130) is now classified as UNDER EVALUATION for temporary MI service
for 60 days. Please bleed annuli as needed.
Please call with any questions or concerns.
Ryan Holt
Hilcorp Alaska LLC
Field Well Integrity / Compliance
Ryan.Holt@Hilcorp.com
P: (907) 659-5102
M: (907) 232-1005
From: Alaska NS - PB - Field Well Integrity <PBFieldWellIntegrity@hilcorp.com>
Sent: Thursday, November 19, 2020 12:21 PM
To: Alaska NS - PB - EOC Specialists <EOCSpecialists@hilcorp.com>; Alaska NS - PB - Wells
Optimization Engineers <WellsOE@hilcorp.com>; Alaska NS - PB W - GC2 - Field Lead Operator
<GC2FieldLO@hilcorp.com>; Alaska NS - PB W - GC2 - Foreman <GC2Foreman@hilcorp.com>;
Alaska NS - PB W - GC2 - Wellpad HUQ <AlaskaNS-PBW-GC2-WellpadHUQ@hilcorp.com>; Alaska NS
- PB W - GC2 - Wellpad LV <AlaskaNS-PBW-GC2-WellpadLV@hilcorp.com>; Alaska NS - PB W - GC2 -
Wellpad MN <AlaskaNS-PBW-GC2-WellpadMN@hilcorp.com>; Alaska NS - PB W - GC2 - Wellpad RJ
<AlaskaNS-PBW-GC2-WellpadRJ@hilcorp.com>; Alaska NS - PB W - GC2 - Wellpad S <AlaskaNS-PBW-
GC2-WellpadS@hilcorp.com>; Alaska NS - PB W - GC2 - Wellpad W <AlaskaNS-PBW-GC2-
WellpadW@hilcorp.com>; Alaska NS - PB W - GC2 - Wellpad Z <AlaskaNS-PBW-GC2-
WellpadZ@hilcorp.com>; Alaska NS - PB W - GC3 - ProdContCentLeads
<GC3ProdContCenterLeads@hilcorp.com>; Brian Glasheen <Brian.Glasheen@hilcorp.com>; Brodie
Wages <David.Wages@hilcorp.com>
Cc: Abbie Barker <Abbie.Barker@hilcorp.com>; Alaska IMS User <akimsuser@hilcorp.com>; Alaska
NS - PB - Field Well Integrity <PBFieldWellIntegrity@hilcorp.com>; Aras Worthington
<Aras.Worthington@hilcorp.com>; Carrie Janowski <Carrie.Janowski@hilcorp.com>; John Condio -
(C) <John.Condio@hilcorp.com>; Matthew Linder <mlinder@hilcorp.com>; Oliver Sternicki
<Oliver.Sternicki@hilcorp.com>; Stan Golis <sgolis@hilcorp.com>
Subject: OPERABLE: Injector S-107 (PTD #2011130) back on PWI
All,
Injector S-107 (PTD #2011130) was on MI from 11/01-11/16 at which time it was swapped back to
PWI for operational needs. The AOGCC has granted approval to re-start the 60-day injection period
for MI. Please notify Well Integrity when the well is ready for MI to begin the 60 day injection period.
In the meantime, the well will be classified back to Operable while it is on PWI.
Please respond with any questions
Andy Ogg
Hilcorp Alaska LLC
Field Well Integrity / Compliance
andrew.ogg@hilcorp.com
P: (907) 659-5102
M: (307)399-3816
From: Alaska NS - PB - Field Well Integrity <PBFieldWellIntegrity@hilcorp.com>
Sent: Sunday, November 1, 2020 2:47 PM
To: Alaska NS - PB - EOC Specialists <EOCSpecialists@hilcorp.com>; Alaska NS - PB - Wells
Optimization Engineers <WellsOE@hilcorp.com>; Alaska NS - PB W - GC2 - Field Lead Operator
<GC2FieldLO@hilcorp.com>; Alaska NS - PB W - GC2 - Foreman <GC2Foreman@hilcorp.com>;
Alaska NS - PB W - GC2 - Wellpad HUQ <AlaskaNS-PBW-GC2-WellpadHUQ@hilcorp.com>; Alaska NS
- PB W - GC2 - Wellpad LV <AlaskaNS-PBW-GC2-WellpadLV@hilcorp.com>; Alaska NS - PB W - GC2 -
Wellpad MN <AlaskaNS-PBW-GC2-WellpadMN@hilcorp.com>; Alaska NS - PB W - GC2 - Wellpad RJ
<AlaskaNS-PBW-GC2-WellpadRJ@hilcorp.com>; Alaska NS - PB W - GC2 - Wellpad S <AlaskaNS-PBW-
GC2-WellpadS@hilcorp.com>; Alaska NS - PB W - GC2 - Wellpad W <AlaskaNS-PBW-GC2-
WellpadW@hilcorp.com>; Alaska NS - PB W - GC2 - Wellpad Z <AlaskaNS-PBW-GC2-
WellpadZ@hilcorp.com>; Alaska NS - PB W - GC3 - ProdContCentLeads
<GC3ProdContCenterLeads@hilcorp.com>; Brian Glasheen <Brian.Glasheen@hilcorp.com>; Brodie
Wages <David.Wages@hilcorp.com>
Cc: Abbie Barker <Abbie.Barker@hilcorp.com>; Alaska IMS User <akimsuser@hilcorp.com>; Alaska
NS - PB - Field Well Integrity <PBFieldWellIntegrity@hilcorp.com>; Aras Worthington
<Aras.Worthington@hilcorp.com>; Carrie Janowski <Carrie.Janowski@hilcorp.com>; John Menke
<jmenke@hilcorp.com>; Oliver Sternicki <Oliver.Sternicki@hilcorp.com>; Stan Golis
<sgolis@hilcorp.com>
Subject: UNDER EVALUATION: Injector S-107 (PTD #2011130) AOGCC approved temporary MI
service
All,
Injector S-107 (PTD # 2011130) has known TxIA on MI and operates under Administrative Approval
for PWI service only. Hilcorp has received AOGCC approval to put on temporary MI service for 60
days to monitor the IA re-pressurization rate with the intent of amending the current AA to include
MI. The well will now be classified as UNDER EVALUATION to track the 60-day injection period on
MI.
Please respond with any questions.
Andy Ogg
Hilcorp Alaska LLC
Field Well Integrity / Compliance
andrew.ogg@hilcorp.com
P: (907) 659-5102
M: (307)399-3816
The information contained in this email message is confidential and may be legally privileged and is intended only for the use of the
individual or entity named above. If you are not an intended recipient or if you have received this message in error, you are hereby
notified that any dissemination, distribution, or copy of this email is strictly prohibited. If you have received this email in error, pleaseimmediately notify us by return email or telephone if the sender's phone number is listed above, then promptly and permanently deletethis message.
While all reasonable care has been taken to avoid the transmission of viruses, it is the responsibility of the recipient to ensure that theonward transmission, opening, or use of this message and any attachments will not adversely affect its systems or data. No responsibilityis accepted by the company in this regard and the recipient should carry out such virus and other checks as it considers appropriate.
David Douglas Hilcorp North Slope, LLC
Sr. Geotechnician 3800 Centerpoint Drive, Suite 1400
Anchorage, AK 99503
Tele: (907) 777-8337
E-mail: david.douglas@hilcorp.com
Please acknowledge receipt by signing and returning one copy of this transmittal.
Received By: Date:
Hilcorp North Slope, LLC
Date: 12/01/2025
To: Alaska Oil & Gas Conservation Commission
Natural Resource Technician
333 W 7th Ave Suite 100
Anchorage, AK 99501
DATA TRANSMITTAL:
WELL: PBU S-107A
PTD: 225-083
API: 50-029-23023-01-00
FINAL LWD FORMATION EVALUATION LOGS (10/18/2025 to 11/03/2025)
x Multiple Propagation and Azimuthal Resistivity (2” & 5” MD/TVD Color Logs)
x Final Definitive Directional Surveys
x Pressure While Drilling
SFTP Transfer – Main Folders:
Please include current contact information if different from above.
225-083
T41171
Gavin Gluyas Digitally signed by Gavin Gluyas
Date: 2025.12.01 14:56:04 -09'00'
CAUTION: This email originated from outside the State of Alaska mail system. Do not click links or open
attachments unless you recognize the sender and know the content is safe.
From:Lau, Jack J (OGC)
To:Trevor Hyatt
Cc:Joseph Lastufka
Subject:RE: PBU S-107A Permit to Drill
Date:Monday, September 22, 2025 2:41:32 PM
Attachments:image001.png
Trevor –
Thanks for the call. Seeing the parent well and the proposed sidetrack are both within the Aurora Pool the
condition of approval below can be removed from the approved permit to drill for S-107A (225-083).
CoA to remove:
Send CBL, directional survey, GR, and resistivity logs to the AOGCC for
approval prior to new pool perforating.
Jack
From: Trevor Hyatt <trevor.hyatt@hilcorp.com>
Sent: Tuesday, September 16, 2025 1:17 PM
To: Lau, Jack J (OGC) <jack.lau@alaska.gov>
Subject: PBU S-107A Permit to Drill
Jack,
When you get a chance can you give me a call to discuss the CoAs for PBU S-107A Permit to Drill?
Trevor Hyatt
Hilcorp Alaska, LLC
Senior Drilling Engineer
Trevor.Hyatt@hilcorp.com
Cell: 907-223-3087
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Alaska Oil and Gas
Conservation Commission
333 West Seventh Avenue
Anchorage, Alaska 99501-3572
Main: 907.279.1433
Fax: 907.276.7542
www.aogcc.alaska.gov
Sean McLaughlin
Drilling Manager
Hilcorp Alaska, LLC
3800 Centerpoint Drive, Suite 1400
Anchorage, AK, 99503
Re: Prudhoe Bay Unit Field, Aurora Oil, PBU S-107A
Hilcorp Alaska, LLC
Permit to Drill Number: 225-083
Surface Location: 4557' FSL, 4497' FEL, Sec. 35, T12N, R12E, UM, AK
Bottomhole Location: 1939' FNL, 2011' FEL, Sec. 21, T12N, R12E, UM, AK
Dear Mr. McLaughlin:
Enclosed is the approved application for the permit to drill the above referenced well.
Per Statute AS 31.05.030(d)(2)(B) and Regulation 20 AAC 25.071, composite curves for all well
logs run must be submitted to the AOGCC within 90 days after completion, suspension, or
abandonment of this well, or within 90 days of acquisition of the data, whichever occurs first.
This permit to drill does not exempt you from obtaining additional permits or an approval required
by law from other governmental agencies and does not authorize conducting drilling operations
until all other required permits and approvals have been issued. In addition, the AOGCC reserves
the right to withdraw the permit in the event it was erroneously issued.
Operations must be conducted in accordance with AS 31.05 and Title 20, Chapter 25 of the Alaska
Administrative Code unless the AOGCC specifically authorizes a variance. Failure to comply
with an applicable provision of AS 31.05, Title 20, Chapter 25 of the Alaska Administrative Code,
or an AOGCC order, or the terms and conditions of this permit may result in the revocation or
suspension of the permit.
Sincerely,
Jessie L. Chmielowski
Commissioner
DATED this 15th day of September 2025.
Jessie L.
Chmielowski
Digitally signed by Jessie L.
Chmielowski
Date: 2025.09.15 11:26:53
-08'00'
3-1/2"x3-1/4"
By Grace Christianson at 1:27 pm, Jul 25, 2025
Digitally signed by Sean
McLaughlin (4311)
DN: cn=Sean McLaughlin (4311)
Date: 2025.07.25 13:03:51 -
08'00'
Sean
McLaughlin
(4311)
*AOGCC Witnessed BOP Test to 3500 psi, Annular 2500 psi minimum.
*Post rig service coil perforating approved for max gun length of 500'.
*Send CBL, directional survey, GR, and resistivity logs to the AOGCC for
approval prior to new pool perforating.
*Variance as per 20 AAC 25.112(i): Approved for alternate abandonment
plug placement on parent well contingent upon fully cemented liner on
upcoming sidetrack.
50-029-23023-01-00 SFD225-083
DSR-8/14/25JJL 8/27/25
*Variance to 20 AAC 25.036 (c)(2)(A)(iv) approved with compliance to rules in CO 823.
50-029-23023-01-00
SFD 9/15/2025*&:
Jessie L. Chmielowski Digitally signed by Jessie L. Chmielowski
Date: 2025.09.15 11:26:24 -08'00'
09/15/25
09/15/25
RBDMS JSB 091725
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To: Alaska Oil & Gas Conservation Commission
From: Trevor Hyatt
Drilling Engineer
Date: July 25, 2025
Re:S-107A Permit to Drill
Approval is requested for drilling a CTD sidetrack lateral from well S-107 with the Nabors CDR2/CDR3
Coiled Tubing Drilling.
Proposed plan for S-107A Injector:
See S-107 Sundry request for complete pre-rig details - Prior to drilling activities screening will be conducted to
MIT, pull patch and nipple reducer, and drift for whipstock.
A coil tubing drilling sidetrack will be drilled with the Nabors CDR2 or CDR3 rig. The rig will move in, test BOPE
and kill the well. The rig will set the 4-1/2" packer whipstock and mill a single string 3.80" window + 10' of
formation. The well will kick off drilling and lands in the Kuparuk C. The lateral will continue in Kuparuk C to TD.
The proposed sidetrack will be completed with a 3-1/2"x3-1/4"x2-7/8” L-80 solid liner, cemented in place and
selectively perforated post rig (will be perforated with rig if unable to post rig). This completion will completely
isolate and abandon the parent Aurora Pool perfs.
The following describes the work planned. A wellbore schematic of the current well and proposed sidetrack is
attached for reference.
Pre-Rig Work:
x Reference S-107 Sundry submitted in concert with this request for full details.
1. Fullbore : MIT-IA and/or MIT-T to 2,500 psi (min)
2. Slickline : Pull Patch, Pull Nipple reducer, Dummy WS drift
3. Coil : Drift for Whipstock
4. Valve Shop : Pre-CTD Tree Work
5. Operations : Remove wellhouse and level pad.
Rig Work: (Estimated to start in September 2025)
1. MIRU and test BOPE 250 psi low and 3,500 psi high (MASP 2,013 psi). Give AOGCC 24hr notice
prior to BOPE test.
2. Set 4-1/2" Packer Whipstock at 13,900' MD oriented at 30 deg ROHS
3. Mill 3.80” Single String 4-1/2" Window
4. Drill build section: 4.25" OH, ~511' (18 deg DLS planned).
5. Drill production lateral: 4.25" OH, ~1,716' (12 deg DLS planned). Swap to KWF for liner.
6. Run 3-1/2” x 3-1/4” x 2-7/8” L-80 solid liner (swap to VBRs and test prior to running liner)
7. Pump primary cement job*: 39 bbls, 15.3 ppg Class G, 1.24 (ft3/sk), TOC at TOL. Set LTP*. If high
losses are encountered during cement job and it is deemed necessary, a cement down squeeze from
TOL to loss zone will be performed with the rig or service coil (if performed by service coil see future
sundry).
8. Only if not able to do with service coil extended perf post rig – Perforate Liner
9. Freeze protect well to a min 2,200' TVD.
Post Rig Work:
1. Valve Shop : Valve & tree work
2. Service Coil : Post-CTD RPM/CBL and extended perforating (~500'). If needed, cement
down squeeze (see future sundry).
3. Slickline : Contingent set LTP.
4. E-line : Set tubing patch.
Since the completion will completely isolate the Aurora Pool perfs in the parent wellbore, AOGCC
terms this a "redrill" and not a "lateral" (well branch). PBU S-107 will remain an active well with "1-Oil"
status until proof of complete isolation is provided. See 20 AAC 25.990 (63) and (75). SFD
,p
This completion will completelyyp p g( p
isolate and abandon the parent Aurora Pool perfs.
TOC at TOL
Send CBL, directional survey, GR, and resistivity logs to the
AOGCC for approval prior to new pool perforating. - JJL
Managed Pressure Drilling:
Managed pressure drilling techniques will be employed on this well. The intent is to provide constant bottom hole
pressure by using minimum 8.4 ppg drilling fluid in combination with annular friction losses and applied surface
pressure. Constant BHP will be utilized to reduce pressure fluctuations to help with hole stability. Applying
annular friction and choke pressure also allow use of lighter drilling fluid and minimizes fluid losses and/or
fracturing at the end of the long well bores. A MPD choke for regulating surface pressure and is independent of
the WC choke.
Deployment of the BHA under trapped wellhead pressure will be necessary. Pressure deployment of the BHA will
be accomplished utilizing 3”/3-1/8” (big hole) & 2-3/8” (slim hole) pipe/slip rams (see attached BOP
configurations). The annular preventer will act as a secondary containment during deployment and not as a
stripper.
Operating parameters and fluid densities will be adjusted based on real-time bottom hole pressure measurements
while drilling and shale behavior. The following scenario is expected:
MPD Pressure at the Planned Window (13900' MD -6,868' TVD)
Pumps On Pumps Oī
A Target BHP at Window (ppg)3,928 psi 3,928 psi
9.8
B ŶŶƵůĂƌĨƌŝĐƟŽŶ-;ƉƐŝͬŌͿ 834 psi 0 psi
0.06
C DƵĚ,LJĚƌŽƐƚĂƟĐ;ƉƉŐͿ 3,071 psi 3,071 psi
8.6
B+C Mud + ECD Combined 3,905 psi 3,071 psi
(no choke pressure)
A-(B+C)Choke Pressure Required to Maintain 23 psi 857 psi
Target BHP at window and deeper
Operation Details:
Reservoir Pressure:
x The estimated reservoir pressure is expected to be 2,683 psi at 6,700 TVD. (7.7 ppg equivalent).
x Maximum expected surface pressure with gas (0.10 psi/ft) to surface is 2,013 psi (from estimated
reservoir pressure).
Mud Program:
x Drilling: Minimum MW of 8.4 ppg KCL with viscosifier for drilling. Managed pressure used to maintain
constant BHP.
Disposal:
x All Class l & II non-hazardous and RCRA-exempt drilling and completion fluids will go to GNI at DS 4.
x Fluids >1% hydrocarbons or flammables must go to GNI.
x Fluids >15% solids by volume must go to GNI.
x Fluids with solids that will not pass through 1/4” screen must go to GNI.
x Fluids with PH >11 must go to GNI.
Hole Size:
x 4.25" hole for the entirety of the production hole section.
Liner Program:
x 3-1/2", 9.3#, L80/Solid: 11,800' MD – 11,830' MD (30' liner)
x 3-1/4", 6.6#, L80/Solid: 11,830' MD – 14,600' MD (2,770' liner)
x 2-7/8", 6.5#, L80/Solid: 14,600' MD – 16,127' MD (1,527' liner)
x The primary barrier for this operation: Kill Weight Fluid to provide overbalance as necessary.
x A X-over shall be made up to a safety joint including a TIW valve for all tubulars ran in hole.
Well Control:
x BOP diagram is attached. MPD and pressure deployment is planned.
x Pipe rams, blind rams and the CT pack off will be pressure tested to 250 psi and to 3,500 psi.
x The annular preventer will be tested to 250 psi and 2,500 psi.
x 1.5 wellbore volumes of KWF will be on location at all times during drilling operations.
x Solid 2-7/8” Liner Running Ram Change: Change out 3”/3-1/8” pipe/slip rams (for drilling) to 2-3/8” x 3-
1/2” VBR rams for liner run. Test VBR rams to 250 psi and 3,500 psi.
x A X-over shall be made up to a 2 3/8" safety joint including a TIW valve for all tubulars ran in hole.
x 2 3/8" safety joint will be utilized while running solid or slotted liner. The desire is to keep the same
standing orders for the entire liner run and not change shut in techniques from well to well (run safety joint
with pre-installed TIW valve). When closing on a 2 3/8" safety joint, 2 sets of pipe/slip rams will be
available, above and below the flow cross providing better well control option.
Directional:
x Directional plan attached. Maximum planned hole angle is 110°. Inclination at kick off point is 90°.
x Magnetic and inclination surveys will be taken every 30 ft. No gyro will be run.
x Distance to nearest property line – 4,450 ft
x Distance to nearest well within pool – 775 ft
Logging:
x MWD directional, Gamma Ray and Resistivity will be run through the entire open hole section.
x Real time bore pressure to aid in MPD and ECD management.
Perforating:
x 500' perforated post rig – See attached extended perforating procedure.
x 2" Perf Guns at 6 spf
x If post rig extended perforating with service coil is not an option, the well will be perforated with the rig or
post rig under this PTD.
x The well will be perforated between the CTD whipstock and TD of the newly drilled CTD well, completely
in the Kuparuk Pool.
x Formations: Top of Aurora Pool is 11,896’ MD in the parent
Anti-Collision Failures:
x All Wells Pass AC scan
Hazards:
x DS/Pad is an H2S pad. The last H2S reading on S-107: NA - injector.
x Max H2S recorded on DS/Pad: 136 ppm..
x 0 fault crossings expected.
x Low lost circulation risk.
Trevor Hyatt CC: Well File
Drilling Engineer Joseph Lastufka
(907-223-3087)
Post-Rig Service Coil Perforating Procedure:
Coiled Tubing
Notes:
x Due to the necessary open hole deployment of Extended Perforating jobs, 24-hour crew and WSS
coverage is required.
x Note: The well will be killed and monitored before making up the initial perfs guns. This will provide
guidance as to whether the well will be killed by bullheading or circulating bottoms up throughout the
job. If pressure is seen immediately after perforating, it will either be killed by bullheading while POOH
or circulating bottoms up through the same port that opened to shear the firing head.
Coil Tubing
1. MIRU Coiled Tubing Unit and spot ancillary equipment.
2. MU nozzle drift BHA (include SCMT and/or RPM log as needed).
3. RIH to PBTD.
a. Displace well with weighted brine while RIH (minimum 8.4 ppg to be overbalanced).
4. POOH (and RPM log if needed) and lay down BHA.
5. After MU MHA and pull testing the CTC, tag-up on the CT stripper to ensure BHA cannot pull through
the brass upon POOH with guns.
6. There will be no perforations to bullhead kill the well. Well will already be loaded w/ weighted brine or KCl
per previous steps. Re-load well at WSS discretion.
7. At surface, prepare for deployment of TCP guns.
8.Confirm well is dead. Bleed any pressure off to return tank. Kill well w/ KWF, weighted brine as needed
(minimum 8.4 ppg). Maintain continuous hole fill taking returns to tank until lubricator connection is
reestablished. Fluids man-watch must be performed while deploying perf guns to ensure the well
remains killed and there is no excess flow.
9.Pickup safety joint and TIW valve and space out before MU guns.Review well control steps with crew
prior to breaking lubricator connection and commencing makeup of TCP gun string. Once the safety joint
and TIW valve have been spaced out, keep the safety joint/TIW valve readily accessible near the working
platform for quick deployment if necessary.
10. Break lubricator connection at QTS and begin makeup of TCP guns and blanks per schedule below.Max
BHA length per PTD is 500ft. Fluids man-watch must be performed while deploying perf guns to ensure
the well remains killed and there is no excess flow.
a. Perforation details
i.Perf Interval:The well will be perforated between the CTD whipstock and TD of the
newly drilled CTD well, completely in the Aurora pool.
ii.Perf Length:500’
iii.Gun Length:500’
iv.Weight of Guns (lbs):2300lbs (4.6ppf)
11. MU lubricator and RIH with perf gun and tie-in to coil flag correlation. Pickup and perforate perforation
intervals (TBD). POOH.
a. Note any tubing pressure change in WSR.
12. After perforating, PUH to top of liner or into tubing tail to ensure debris doesn’t fall in on the guns and
stick the BHA.Confirm well is dead and re-kill if necessary before pulling to surface.
13. Pump pipe displacement while POOH.Stop at surface to reconfirm well dead and hole full.
14. Review well control steps with crew prior to breaking lubricator connection and commencing breakdown of
TCP gun string. Standing orders flow chart included with this sundry request. Ensure safety joint and TIW
valve assembly are on-hand before breaking off lubricator to LD gun BHA.
15. Freeze protect well to 2,000’ TVD.
16. RDMO CTU.
*Send CBL, directional survey, GR, and resistivity logs to the AOGCC for
approval prior to new pool perforating. - JJL
Coiled Tubing BOPs
Standing Orders for Open Hole Well Control during Perf Gun Deployment
Equipment Layout Diagram
wp_05
6600670068006900700071007200True Vertical Depth (200 usft/in)4200
4400
4600
4800
5000
5200
5400
5600
5800
6000
6200
6400
6600
6800
7000
7200
7400
7600
7800
8000
Vertical Section at 10.00° (400 usft/in)S-107S-107A wp05Top of Window - 13900'MDEnd 18dls - 14411'MDTD - 16127'MDS-107A wp0570007500800085009000950010000South(-)/North(+) (1000 usft/in)-10000
-9500
-9000
-8500
-8000
-7500
-7000
-6500
West(-)/East(+) (1000 usft/in)6793S-10268006864S-102AS-102L1PS-1066824S-1075200560060006400S-1196828S-107A wp05Top of Window - 13900'MDEnd 18dls - 14411'MDTD - 16127'MDSec MD Inc Azi TVD +N/-S +E/-W Dleg TFace VSect1 13900.00 89.26 310.31 7013.76 7299.80 -8316.26 0.00 0.00 5744.802 13920.00 90.82 311.21 7013.74 7312.86 -8331.41 9.00 30.00 5755.023 13990.00 101.70 317.60 7006.11 7361.42 -8381.05 18.00 30.00 5794.234 14051.01 110.00 325.09 6989.44 7407.12 -8417.71 18.00 40.00 5832.875 14351.01 110.00 22.57 6886.83 7675.79 -8446.76 18.00 90.00 6092.416 14411.00 106.01 33.12 6868.25 7726.11 -8420.11 18.00 110.00 6146.607 14441.00 109.12 35.03 6859.20 7749.80 -8404.09 12.00 30.00 6172.718 14541.00 105.63 22.99 6829.24 7833.12 -8358.00 12.00 -105.00 6262.779 14661.54 92.00 18.09 6810.80 7944.40 -8316.41 12.00 -160.00 6379.5710 14942.00 88.90 344.57 6808.53 8220.76 -8310.03 12.00 -95.00 6652.8511 15182.00 79.54 11.98 6833.15 8456.84 -8317.62 12.00 110.00 6884.0212 15362.00 85.69 351.09 6856.53 8634.18 -8313.10 12.00 -75.00 7059.4613 15712.00 96.71 31.69 6848.89 8969.63 -8245.80 12.00 75.00 7401.4914 15892.00 93.31 10.27 6832.98 9136.07 -8182.07 12.00 -98.00 7576.4715 16127.00 89.16 38.18 6827.82 9348.15 -8086.60 12.00 98.00 7801.91Depth From Depth To Survey/Plan Tool71.00 523.10 Survey #1 CB GYRO SS (S-107) 3_CB-Film-GSS2645.83 13900.00 Survey #2 MWD+IFR+MS (S-107) 3_MWD+HRGM+MS13900.00 16127.00 S-107A wp05 (S-107A) 3_MWDSECTION DETAILSSURVEY PROGRAMProject: Prudhoe BaySite: SWell: S-107Wellbore: S-107APlan: S-107A wp05REFERENCE INFORMATIONCoordinate(N/E) Reference: Well S-107, True NorthVertical (TVD) Reference: Kelly Bushing / Rotary Table @ 69.94usft Measured Depth Reference: Kelly Bushing / Rotary Table @ 69.94usft Section (VS) Reference: Slot - (0.00N, 0.00E)Calculation Method: Minimum CurvatureParent Wellbore: S-107Top of Window: 13900.00Northing: 5980759.77Easting: 618930.16Lattitude: 70° 21' 21.9134 NLongitude: 149° 2' 2.8561 WNAD 1927 (NADCON CONUS)US State Plane 1927 (Exact solution)Alaska Zone 04REFERENCE INFORMATIONWELLBORE DETAILSWELL DETAILSHilcorp Alaska, LLCPROJECT DETAILSS-107A wp05
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5
Well Date
Quick Test Sub to Otis -1.1 ft
Top of 7" Otis 0.0 ft
Distances from top of riser
Excluding quick-test sub
Top of Annular 2.75 ft
C L Annular 3.40 ft
Bottom Annular 4.75 ft
CL Blind/Shears 6.09 ft
CL 2-3/8" Pipe / Slips 6.95 ft B3 B4
B1 B2
Kill Line Choke Line
CL 3.0" Pipe / Slip 9.54 ft
CL 2-3/8" Pipe / Slips 10.40 ft
TV1 TV2
T1 T2
Flow Tee
Master
Master
LDS
IA
OA
LDS
Ground Level
3" LP hose open ended to Flowline
CDR2-AC BOP Schematic
CDR2 Rig's Drip Pan
Fill Line from HF2
Normally Disconnected
3" HP hose to Micromotion
Hydril 7 1/16"
Annular
Blind/Shear
2-3/8" Pipe/Slips
2 3/8" Pipe/Slips
2 3/8" Pipe/Slips
7-1/16"
5k Mud
Cross
2-3/8" Pipe/Slips
3"or 3-1/8" Pipe /
Slip
Well Date
Quick Test Sub to Otis
Top of 7" Otis
Top of Annular
C L Annular
Bottom Annular
CL Blind/Shears
CL 2-3/8" Pipe / Slips B6 B5
B8 B7
Choke Line Kill Line
CL 3" Pipe / Slip
CL 2-3/8" Pipe / Slips
TV1 TV2
T1 T2
Flow Tee
Master
Master
LDS
IA
OA
LDS
Ground Level
CDR3-AC BOP Schematic
CDR3 Rig's Drip Pan
Fill Line
Normally Disconnected
2" HP hose to Micromotion
Hydril 7 1/16"
Annular
Blind/Shear
2-3/8" Pipe/Slips
2 3/8" Pipe/Slips
2 3/8" Pipe/Slips
7-1/16"
5k Mud
Cross
2-3/8" Pipe/Slips
3" Pipe / Slip
neceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
CAUTION: External sender. DO NOT open links or attachments from UNKNOWN senders.
CAUTION: This email originated from outside the State of Alaska mail system. Do not
click links or open attachments unless you recognize the sender and know the content
is safe.
From:Trevor Hyatt
To:Davies, Stephen F (OGC); Joseph Lastufka; Joseph Syzdek
Cc:Dewhurst, Andrew D (OGC); Starns, Ted C (OGC)
Subject:RE: [EXTERNAL] PBU S-107A (PTD 225-083) - Pre-produced?
Date:Thursday, September 11, 2025 2:56:19 PM
Steve,
No pre-production is planned for that well.
Trevor Hyatt
Hilcorp Alaska, LLC
Senior Drilling Engineer
Trevor.Hyatt@hilcorp.com
Cell: 907-223-3087
From: Davies, Stephen F (OGC) <steve.davies@alaska.gov>
Sent: Wednesday, September 10, 2025 5:31 PM
To: Trevor Hyatt <trevor.hyatt@hilcorp.com>; Joseph Lastufka <joseph.lastufka@hilcorp.com>
Cc: Dewhurst, Andrew D (OGC) <andrew.dewhurst@alaska.gov>; Starns, Ted C (OGC)
<ted.starns@alaska.gov>
Subject: [EXTERNAL] PBU S-107A (PTD 225-083) - Pre-produced?
Trevor, Joe:
Will the planned PBU S-107A injection well be pre-produced for 30 days or longer, or will it be
flowed back briefly just to clean up the well?
Thanks and Be Well,
Steve Davies
AOGCC
CONFIDENTIALITY NOTICE: This e-mail message, including any attachments, contains information from the Alaska Oil and Gas
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sending it to you, contact Steve Davies at 907-793-1224 or steve.davies@alaska.gov
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Revised 7/2022
TRANSMITTAL LETTER CHECKLIST
WELL NAME: ______________________________________
PTD: _____________________________________________
___ Development ___ Service ___ Exploratory ___ Stratigraphic Test ___ Non-Conventional
FIELD: __________________________ POOL: ____________________________________
Check Box for Appropriate Letter / Paragraphs to be Included in Transmittal Letter
CHECK OPTIONS TEXT FOR APPROVAL LETTER
MULTI
LATERAL
(If last two digits
in API number are
between 60-69)
The permit is for a new wellbore segment of existing well Permit
Number _____________, API Number 50-______________________.
Production from or injection into this wellbore must be reported under
the original API Number stated above.
Spacing
Exception
The permit is approved subject to full compliance with 20 AAC 25.055.
Approval to produce or inject is contingent upon issuance of a
conservation order approving a spacing exception. The Operator
assumes the liability of any protest to the spacing exception that may
occur.
Dry Ditch Sample
All dry ditch sample sets submitted to the AOGCC must be in no greater
than 30-foot sample intervals from below the permafrost or from where
samples are first caught and 10-foot sample intervals through target
zones.
Non-
Conventional
Well
Please note the following special condition of this permit: Production or
production testing of coal bed methane is not allowed for this well until
after the Operator has designed and implemented a water-well testing
program to provide baseline data on water quality and quantity. The
Operator must contact the AOGCC to obtain advance approval of such
a water-well testing program.
Well Logging
Requirements
Regulation 20 AAC 25.071(a) authorizes the AOGCC to specify types
of well logs to be run. In addition to the well logging program proposed
by the Operator in the attached application, the following well logs are
also required for this well:
Per Statute AS 31.05.030(d)(2)(B) and Regulation 20 AAC 25.071,
composite curves for all well logs run must be submitted to the AOGCC
within 90 days after completion, suspension, or abandonment of this
well, or within 90 days of acquisition of the data, whichever occurs first.
PRUDHOE BAY, AURORA OILPRUDHOE BAY
225-083
PBU S-107A
WELL PERMIT CHECKLISTCompanyHilcorp North Slope, LLCWell Name:PRUDHOE BAY UN AURO S-107AInitial Class/TypeSER / PENDGeoArea890Unit11650On/Off ShoreOnProgramSERWell bore segAnnular DisposalPTD#:2250830Field & Pool:PRUDHOE BAY, AURORA OIL - 640120NA1 Permit fee attachedYes Surface Location lies within ADL0028257; Top Productive Interval lies in ADL0392959;2 Lease number appropriateYes TD lies within ADL0028256.3 Unique well name and numberYes PRUDHOE BAY, AURORA OIL - 640120 - governed by CO 457B4 Well located in a defined poolYes5 Well located proper distance from drilling unit boundaryYes6 Well located proper distance from other wellsYes7 Sufficient acreage available in drilling unitYes8 If deviated, is wellbore plat includedYes9 Operator only affected partyYes10 Operator has appropriate bond in forceYes11 Permit can be issued without conservation orderYes12 Permit can be issued without administrative approvalYes13 Can permit be approved before 15-day waitYes AIO 22F14 Well located within area and strata authorized by Injection Order # (put IO# in comments) (For Yes PBU S-107 (201-113), PBU S-119 (204-162), PBU S-119A (222-071), PBU S-200A (217-125)15 All wells within 1/4 mile area of review identified (For service well only)No16 Pre-produced injector: duration of pre-production less than 3 months (For service well only)NA17 Nonconven. gas conforms to AS31.05.030(j.1.A),(j.2.A-D)Yes18 Conductor string providedYes19 Surface casing protects all known USDWsYes20 CMT vol adequate to circulate on conductor & surf csgYes21 CMT vol adequate to tie-in long string to surf csgYes22 CMT will cover all known productive horizonsYes23 Casing designs adequate for C, T, B & permafrostYes24 Adequate tankage or reserve pitYes Variance as per 20 AAC 25.112(i): Approved for alternate plug placement w/ fully cemented liner.25 If a re-drill, has a 10-403 for abandonment been approvedYes26 Adequate wellbore separation proposedNA27 If diverter required, does it meet regulationsYes28 Drilling fluid program schematic & equip list adequateYes Variance with documented well control drill for tubulars < 2.375"29 BOPEs, do they meet regulationYes 5K30 BOPE press rating appropriate; test to (put psig in comments)Yes31 Choke manifold complies w/API RP-53 (May 84)Yes32 Work will occur without operation shutdownYes Max H2S recorded on DS/Pad: 136 ppm..33 Is presence of H2S gas probableNA34 Mechanical condition of wells within AOR verified (For service well only)No Measures required. This is an H2S pad.35 Permit can be issued w/o hydrogen sulfide measuresYes Expected pressure range is 0.4 to 0.447 psi/ft (7.7 to 8.6 ppg EMW). Operator's planned mud program36 Data presented on potential overpressure zonesNA appears sufficient to control anticipated pressures and maintain wellbore stability.37 Seismic analysis of shallow gas zonesNA38 Seabed condition survey (if off-shore)NA39 Contact name/phone for weekly progress reports [exploratory only]ApprSFDDate9/15/2025ApprJJLDate8/21/2025ApprSFDDate9/10/2025AdministrationEngineeringGeologyGeologic Commissioner:Date:Engineering Commissioner:DatePublic CommissionerDate*&:JLC 9/15/2025