WELL · 42-301-35274 · DISTRICT 8
Aftershock West B Unit #202H
Loving County · Phantom (Wolfcamp) field · Producing · Horizontal
Aftershock West B Unit #202H (API 42-301-35274) is a horizontal well in Loving County operated by Cog Operating LLC, completed June 30, 2023 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued February 8, 2021, permitted to 12,400 ft.
Completion filings report 9 formation tops, including Delaware, Bell Canyon, Cherry Canyon, Brushy Canyon.
Its lease has reported 365K barrels of oil and 841K mcf of gas since June 2023, last reporting in July 2026.
Operator of record
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 schedule | COG Operating LLC |
| Production reports | COG Operating LLCthrough Apr 2026 |
| Latest permit | COG Operating LLCFeb 8, 2021 |
- 12,400
- total depth, ft
- 1
- permits on file
- Feb 8, 2021
- last permit issued
- Jun 30, 2023
- completed
- 365K
- cumulative oil, bbl
- 841K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2023 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 30, 2023
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
31.934038, -103.325954
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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Aftershock West B Unit O-10-59951 | Phantom (Wolfcamp) | COG Operating LLC | 1 | 365K | 841K | Jun 2023 – Jul 2026 |
Oil, barrels lease total
Last 12 months 96,633 · prior 12 93,260(+4%)
Gas, mcf lease total
Last 12 months 400,410 · prior 12 194,606(+106%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1COG Operating LLCJun 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 866613-99 | Drill | COG Operating LLC | Dec 18, 2020 | Feb 8, 2021 | Sep 30, 2022 | 12,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-59951 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,997 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Delaware | 2,018 | 979 |
| Bell Canyon | 2,041 | 956 |
| Cherry Canyon | 3,082 | -85 |
| Brushy Canyon | 4,545 | -1,548 |
| Bone Spring | 5,882 | -2,885 |
| Wolfcamp | 8,939 | -5,942 |
| Bone SpringTHIRD BONE SPRING | 11,067 | -8,070 |
| Pennsylvanian | — | — |
| Red Bluff | — | — |
| Strawn | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,466 | 22,266 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,080 | 14.75 | 763 S |
| 7.625 | 11,482 | 9.875 | 1,090 S |
| 7.625 | 11,482 | 8.75 | 1,347 S |
| 5.5 | 22,353 | 6.75 | 1,575 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Nov 30, 2023 | Sep 14, 2023 | Yes |
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.
- Wellbore filings for 42-301-35274 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-301-35274 → scanned completion filings
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.
Aftershock East a Unit42-495-34913
0.4 KM · COG Operating LLC · Section with this well →
| Delaware | 5,055 | -2,072 |
| Yates | — | |
| Seven Rivers | — | |
| San Andres | — | |
| Rustler | — | |
| Holt | — | |
| Glorieta | — | |
| Capitan | — |
10 TOPS · FIRST 8
Aftershock West a Unit42-301-35112
0.6 KM · COG Operating LLC · Section with this well →
| Red Bluff | 2,500 | 496 |
| Delaware | 5,118 | -2,122 |
| Bell Canyon | 5,118 | -2,122 |
| Brushy Canyon | 6,000 | -3,004 |
| Cherry Canyon | 6,096 | -3,100 |
| Bone Spring | 8,849 | -5,853 |
| Wolfcamp | 11,918 | -8,922 |
| Atoka | — |
10 TOPS · FIRST 8
Aftermath East B Unit42-301-35015
0.6 KM · COG Operating LLC · Section with this well →
| Delaware | 5,062 | -2,063 |
| Bell Canyon | 5,115 | -2,116 |
| Cherry Canyon | 6,136 | -3,137 |
| Brushy Canyon | 7,579 | -4,580 |
| Bone Spring | 8,885 | -5,886 |
| Bone Spring | 10,113 | -7,114 |
| Bone Spring | 10,655 | -7,656 |
| Bone Spring | 11,047 | -8,048 |
10 TOPS · FIRST 8
Aftershock East a Unit42-495-34962
0.8 KM · COG Operating LLC · Section with this well →
| Delaware | 4,994 | -2,003 |
| Yates | — | |
| Capitan | — | |
| Clear Fork | — | |
| Colby / Queen | — | |
| Glorieta | — | |
| Holt | — | |
| Rustler | — |
10 TOPS · FIRST 8
Pistol 24-10 E42-301-33973
0.8 KM · RSP Permian, LLC · Section with this well →
| Delaware | 3,000 | -5 |
| Cherry Canyon | 3,700 | -705 |
| Red Bluff | 3,900 | -905 |
| Bell Canyon | 4,700 | -1,705 |
| Brushy Canyon | 6,000 | -3,005 |
| Bone Spring | 8,200 | -5,205 |
| Wolfcamp | 11,000 | -8,005 |
| Strawn | 14,700 | -11,705 |
10 TOPS · FIRST 8
Aftermath East a Unit42-301-35870
1.0 KM · COG Operating LLC · Section with this well →
| Delaware | 5,053 | -2,054 |
| Bell Canyon | 5,121 | -2,122 |
| Cherry Canyon | 6,136 | -3,137 |
| Brushy Canyon | 7,562 | -4,563 |
| Bone Spring | 8,877 | -5,878 |
| Wolfcamp | 11,931 | -8,932 |
| Morrow | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Goodnight 10/11 A42-301-35436
1.1 KM · Mewbourne Oil Company · Section with this well →
| Delaware | 5,060 | -2,054 |
| Bell Canyon | 5,085 | -2,079 |
| Cherry Canyon | 6,110 | -3,104 |
| Brushy Canyon | 8,658 | -5,652 |
| Bone Spring | 8,927 | -5,921 |
| Bone Spring | 10,080 | -7,074 |
| Bone Spring | 10,500 | -7,494 |
| Bone Spring | 11,640 | -8,634 |
10 TOPS · FIRST 8
Goodnight 10/11 B42-301-35437
1.2 KM · Mewbourne Oil Company · Section with this well →
| Delaware | 5,060 | -2,054 |
| Bell Canyon | 5,085 | -2,079 |
| Cherry Canyon | 6,110 | -3,104 |
| Brushy Canyon | 8,658 | -5,652 |
| Bone Spring | 8,927 | -5,921 |
| Bone Spring | 10,060 | -7,054 |
| Bone Spring | 10,500 | -7,494 |
| Bone Spring | 11,650 | -8,644 |
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/30135274, documented in the API reference.