TEXAS · WELLS · REEVES COUNTY · J. W. MCCULLOUGH "A" UNIT LEASE · API 42-389-36508 · DISTRICT 7B
J. W. McCullough a Unit #12H
Reeves County · Wolfbone (Trend Area) field · Producing · Horizontal
J. W. Mccullough A Unit #12H (API 42-389-36508) is a horizontal well in Reeves County operated by Permian Resources Operating LLC, completed May 3, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued November 3, 2017, permitted to 10,585 ft.
It was permitted by Oxy USA Wtp LP and has since transferred to Permian Resources Operating LLC on the wellbore schedule.
Completion filings report 8 formation tops, including Bell Canyon, Delaware, Cherry Canyon, Bone Spring.
Its lease has reported 421K barrels of oil and 653K mcf of gas since November 2015, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permian Resources Operating LLC
Permitted by OXY USA WTP LP; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Nov 25, 2025
- Permits on file
- 608
- Phone
- (432) 695-4222
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Permian Resources Operating LLC |
| Production reports | Permian Resources Operating, LLCthrough Apr 2026 |
| Latest permit | OXY USA WTP LPNov 3, 2017 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,585
- total depth, ft
- 2
- permits on file
- Nov 3, 2017
- last permit issued
- May 3, 2018
- completed
- 421K
- cumulative oil, bbl
- 653K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2015 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 3, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
31.216778, -103.404256
Permit surface location from the RRC GIS record, in Reeves 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; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| J. W. McCullough "a" Unit O-10-47697 | Wolfbone (Trend Area) | Permian Resources Operating, LLC | 2 | 421K | 653K | Nov 2015 – Jul 2026 |
Oil, barrels lease total
Last 12 months 9,999 · prior 12 10,323(-3%)
Gas, mcf lease total
Last 12 months 41,144 · prior 12 24,362(+69%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1OXY USA WTP LPNov 2015 → Oct 2024
- 2Permian Resources Operating, LLCNov 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 832345-98 | Drill | OXY USA WTP LP | Dec 18, 2017 | Nov 3, 2017 | Mar 11, 2018 | 14,000 |
| 832345-99 | Drill | OXY USA WTP LP | Oct 24, 2017 | Nov 3, 2017 | — | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 3, 2018 | J. W. McCullough a Unit O-10-47697 | Wolfbone (Trend Area) | Permian Resources Operating LLC | Producing | 10,585 |
Formation tops
As filed on W-2/G-1. Subsea from 2,681 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Bell Canyon | 5,063 | -2,382 |
| Delaware | 5,063 | -2,382 |
| DelawareDELAWARE CONSOLIDATED GAS | 5,080 | -2,399 |
| DelawareFORD-DELAWARE | 5,187 | -2,506 |
| Cherry Canyon | 5,969 | -3,288 |
| Bone SpringBONE SPRINGS | 8,028 | -5,347 |
| Wolfcamp | 10,329 | -7,648 |
| CastileCASTILLE | — | — |
| Pennsylvanian | — | — |
| Permian (undifferentiated)PERMIAN | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,389 | 15,341 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 11.75 | 1,591 | 14.75 | 875 S |
| 8.625 | 10,116 | 10.625 | 995 S |
| 5.5 | 15,544 | 7.875 | 1,070 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 14, 2018 | Sep 18, 2018 | 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 42-389-36508 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-389-36508 → 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 neighbors, subsea-aligned so they line up regardless of surface terrain.
Yow State 3842-389-36491
0.0 KM · OXY USA WTP LP · Section with this well →
| Delaware | 5,068 | -2,388 |
| Bell Canyon | 5,068 | -2,388 |
| Delaware | 5,116 | -2,436 |
| Delaware | 5,187 | -2,507 |
| Cherry Canyon | 5,972 | -3,292 |
| Bone Spring | 8,040 | -5,360 |
| Wolfcamp | 10,325 | -7,645 |
| Castile | — |
10 TOPS · FIRST 8
McCullough 35-38-1S42-389-36323
1.6 KM · OXY USA WTP LP · Section with this well →
| Permian (undifferentiated) | 815 | 1,851 |
| Castile | 815 | 1,851 |
| Bell Canyon | 5,071 | -2,405 |
| Delaware | 5,071 | -2,405 |
| Delaware | 5,108 | -2,442 |
| Delaware | 5,186 | -2,520 |
| Cherry Canyon | 5,979 | -3,313 |
| Bone Spring | 8,048 | -5,382 |
10 TOPS · FIRST 8
McCullough 35-38-2S State42-389-36329
1.6 KM · OXY USA WTP LP · Section with this well →
| Castile | 815 | 1,851 |
| Permian (undifferentiated) | 815 | 1,851 |
| Bell Canyon | 5,073 | -2,407 |
| Delaware | 5,073 | -2,407 |
| Delaware | 5,116 | -2,450 |
| Delaware | 5,183 | -2,517 |
| Cherry Canyon | 5,977 | -3,311 |
| Bone Spring | 8,060 | -5,394 |
10 TOPS · FIRST 8
Weinert State 34-39-6S42-389-38501
1.6 KM · OXY USA WTP LP · Section with this well →
| Castile | 1,847 | 815 |
| Permian (undifferentiated) | 1,847 | 815 |
| Delaware | 5,064 | -2,402 |
| Bell Canyon | 5,064 | -2,402 |
| Delaware | 5,111 | -2,449 |
| Delaware | 5,172 | -2,510 |
| Cherry Canyon | 5,972 | -3,310 |
| Bone Spring | 8,058 | -5,396 |
10 TOPS · FIRST 8
Weinert State 34-39-5S42-389-38319
1.6 KM · OXY USA WTP LP · Section with this well →
| Castile | 1,847 | 814 |
| Permian (undifferentiated) | 1,847 | 814 |
| Bell Canyon | 5,082 | -2,421 |
| Delaware | 5,082 | -2,421 |
| Delaware | 5,105 | -2,444 |
| Delaware | 5,177 | -2,516 |
| Cherry Canyon | 5,969 | -3,308 |
| Bone Spring | 8,052 | -5,391 |
10 TOPS · FIRST 8
Weinert State 34-39-3S42-389-38317
1.6 KM · OXY USA WTP LP · Section with this well →
| Castile | 1,847 | 814 |
| Permian (undifferentiated) | 1,847 | 814 |
| Bell Canyon | 5,095 | -2,434 |
| Delaware | 5,095 | -2,434 |
| Delaware | 5,144 | -2,483 |
| Delaware | 5,215 | -2,554 |
| Cherry Canyon | 6,050 | -3,389 |
| Bone Spring | 8,046 | -5,385 |
10 TOPS · FIRST 8
McCullough 35-38-3S State42-389-37997
1.9 KM · OXY USA WTP LP · Section with this well →
| Permian (undifferentiated) | 818 | 1,850 |
| Castile | 818 | 1,850 |
| Delaware | 5,071 | -2,403 |
| Bell Canyon | 5,071 | -2,403 |
| Delaware | 5,124 | -2,456 |
| Delaware | 5,184 | -2,516 |
| Cherry Canyon | 5,981 | -3,313 |
| Bone Spring | 8,068 | -5,400 |
10 TOPS · FIRST 8
McCullough 35-38-4S State42-389-37996
1.9 KM · OXY USA WTP LP · Section with this well →
| Castile | 818 | 1,851 |
| Permian (undifferentiated) | 818 | 1,851 |
| Bell Canyon | 5,075 | -2,406 |
| Delaware | 5,075 | -2,406 |
| Delaware | 5,127 | -2,458 |
| Delaware | 5,193 | -2,524 |
| Cherry Canyon | 5,990 | -3,321 |
| Bone Spring | 8,067 | -5,398 |
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/38936508, documented in the API reference.