WELL · 42-301-35228 · DISTRICT 8

Aftermath West B Unit #302H

Y

Loving County · Phantom (Wolfcamp) field · Producing  · Horizontal

Aftermath West B Unit #302H (API 42-301-35228) is a horizontal well in Loving County operated by Cog Operating LLC, completed May 21, 2021 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued November 10, 2020, permitted to 12,400 ft.

Completion filings report 10 formation tops, including Red Bluff, Delaware, Bell Canyon, Cherry Canyon.

Its lease has reported 517K barrels of oil and 834K mcf of gas since May 2021, last reporting in July 2026.

Operator of record

COG Operating LLC

Midland, TX · P-5 Y, filed May 4, 2026 · 4,568 permits on file · (432) 853-2355

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCOG Operating LLC
Production reportsCOG Operating LLCthrough Apr 2026
Latest permitCOG Operating LLCNov 10, 2020
12,400
total depth, ft
2
permits on file
Nov 10, 2020
last permit issued
May 21, 2021
completed
517K
cumulative oil, bbl
834K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2021 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 21, 2021
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.929408, -103.343222

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Loving County.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Aftermath West B Unit O-10-56659Phantom (Wolfcamp)COG Operating LLC1517K834KMay 2021 – Jul 2026

Oil, barrels lease total

Last 12 months 69,158 · prior 12 65,262(+6%)

05K10K202420252026

Gas, mcf lease total

Last 12 months 51,303 · prior 12 116,244(-56%)

010K20K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1COG Operating LLCMay 2021 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
865961-98DrillCOG Operating LLCNov 16, 2020Nov 10, 2020Dec 13, 202012,400
865961-99DrillCOG Operating LLCNov 5, 2020Nov 10, 2020Dec 13, 202012,400

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-56659————

Formation tops

As filed on W-2/G-1. Subsea from 3,009 ft elevation.Download CSV →

FormationMD ftSubsea
Red Bluff3,900-891
Delaware5,087-2,078
Bell Canyon5,110-2,101
Cherry Canyon6,009-3,000
Brushy Canyon7,610-4,601
Bone Spring8,923-5,914
Pennsylvanian11,424-8,415
Wolfcamp11,952-8,943
AtokaATOKA - HIGH PRESSURE——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
12,24422,363Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,27814.75784 S
7.62511,7009.875940 S
5.522,4386.7511,825 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

SuffixFiledW-2 / G-1 dateLogs referenced
00Feb 10, 2022Jan 18, 2022Yes

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Goodnight 10/11 D42-301-35855

0.3 KM · Mewbourne Oil Company · Section with this well →

Delaware5,039-2,026
Bell Canyon5,065-2,052
Cherry Canyon6,113-3,100
Brushy Canyon7,489-4,476
Bone Spring8,849-5,836
Bone Spring10,034-7,021
Bone Spring10,466-7,453
Bone Spring11,625-8,612

10 TOPS · FIRST 8

Goodnight 10/11 C42-301-35854

0.3 KM · Mewbourne Oil Company · Section with this well →

Delaware5,0391,974
Bell Canyon5,0651,948
Cherry Canyon6,113900
Brushy Canyon7,489-476
Bone Spring8,849-1,836
Bone Spring10,034-3,021
Bone Spring10,466-3,453
Bone Spring11,625-4,612

10 TOPS · FIRST 8

Goodnight 10/11 A42-301-35772

0.3 KM · Mewbourne Oil Company · Section with this well →

Delaware5,037-2,024
Bell Canyon5,063-2,050
Cherry Canyon6,111-3,098
Brushy Canyon7,487-4,474
Bone Spring8,847-5,834
Bone Spring10,032-7,019
Bone Spring10,464-7,451
Bone Spring—

10 TOPS · FIRST 8

Goodnight 10/11 B42-301-35802

0.3 KM · Mewbourne Oil Company · Section with this well →

Delaware5,039-2,026
Bell Canyon5,065-2,052
Cherry Canyon6,113-3,100
Brushy Canyon7,489-4,476
Bone Spring8,849-5,836
Bone Spring10,034-7,021
Strawn—
Red Bluff—

10 TOPS · FIRST 8

Goodnight 10/11 D42-301-37130

0.3 KM · Mewbourne Oil Company · Section with this well →

Delaware5,106-2,093
Bell Canyon5,143-2,130
Cherry Canyon6,171-3,158
Brushy Canyon7,677-4,664
Bone Spring8,969-5,956
Bone Spring10,115-7,102
Wolfcamp—
Pennsylvanian—

10 TOPS · FIRST 8

Goodnight 10/11 C42-301-37129

0.3 KM · Mewbourne Oil Company · Section with this well →

Delaware5,106-2,093
Bell Canyon5,143-2,130
Cherry Canyon6,171-3,158
Brushy Canyon7,677-4,664
Bone Spring8,969-5,956
Bone Spring10,115-7,102
Pennsylvanian—
Red Bluff—

10 TOPS · FIRST 8

Aftermath West a Unit BS42-301-36136

0.4 KM · COG Operating LLC · Section with this well →

Delaware5,085-2,077
Bell Canyon5,110-2,102
Cherry Canyon6,148-3,140
Brushy Canyon7,537-4,529
Bone Spring8,926-5,918
Bone Spring10,116-7,108
Red Bluff—
Pennsylvanian—

10 TOPS · FIRST 8

Goodnight 10/11 E42-301-37379

0.5 KM · Mewbourne Oil Company · Section with this well →

Delaware5,079-2,072
Bell Canyon5,106-2,099
Cherry Canyon6,166-3,159
Brushy Canyon7,655-4,648
Bone Spring8,928-5,921
Bone Spring10,097-7,090
Pennsylvanian—
Red Bluff—

10 TOPS · FIRST 8

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/30135228, documented in the API reference.