WELL · 42-389-37996 · DISTRICT 8
McCullough 35-38-4S State #84H
Reeves County · Wolfbone (Trend Area) field · Producing · Horizontal
Mccullough 35-38-4s State #84H (API 42-389-37996) is a horizontal well in Reeves County operated by Permian Resources Operating LLC, completed June 1, 2019 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued January 30, 2019, permitted to 14,000 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 Castile, Permian (undifferentiated), Bell Canyon, Delaware.
Its lease has reported 446K barrels of oil and 894K mcf of gas since June 2019, last reporting in July 2026.
Operator of record
Permian Resources Operating LLC
Permitted by OXY USA WTP LP; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Oct 4, 2025 · 608 permits on file · (432) 699-9345
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 LPJan 30, 2019 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,000
- total depth, ft
- 2
- permits on file
- Jan 30, 2019
- last permit issued
- Jun 1, 2019
- completed
- 446K
- cumulative oil, bbl
- 894K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2019 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 1, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.230147, -103.392489
OpenStreetMap → · Google Maps →
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McCullough 35-38-4S State O-10-52739 | Wolfbone (Trend Area) | Permian Resources Operating, LLC | 1 | 446K | 894K | Jun 2019 – Jul 2026 |
Oil, barrels lease total
Last 12 months 15,266 · prior 12 24,715(-38%)
Gas, mcf lease total
Last 12 months 38,210 · prior 12 55,451(-31%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1OXY USA WTP LPJun 2019 → Oct 2024
- 2Permian Resources Operating, LLCNov 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 849262-98 | Drill | OXY USA WTP LP | Oct 31, 2019 | Jan 30, 2019 | Feb 11, 2019 | 14,000 |
| 849262-99 | Drill | OXY USA WTP LP | Jan 28, 2019 | Jan 30, 2019 | Feb 11, 2019 | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-52739 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,669 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CastileCASTILLE | 818 | 1,851 |
| Permian (undifferentiated)PERMIAN | 818 | 1,851 |
| Bell Canyon | 5,075 | -2,406 |
| Delaware | 5,075 | -2,406 |
| DelawareDELAWARE CONSOLIDATED GAS | 5,127 | -2,458 |
| DelawareFORD-DELAWARE | 5,193 | -2,524 |
| Cherry Canyon | 5,990 | -3,321 |
| Bone SpringBONE SPRINGS | 8,067 | -5,398 |
| Pennsylvanian | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,819 | 20,766 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,566 | 17.5 | 703 S |
| 7 | 9,916 | 8.5 | 2,300 S |
| 9.625 | 10,578 | 12.25 | 1,715 S |
| 6 | 21,045 | 8.5 | 2,300 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 | Jan 15, 2020 | Aug 5, 2019 | 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 42-389-37996 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-389-37996 → 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.
McCullough 35-38-3S State42-389-37997
0.0 KM · OXY USA WTP LP · Section with this well →
| Permian (undifferentiated) | 818 | 1,850 |
| Castile | 818 | 1,850 |
| Bell Canyon | 5,071 | -2,403 |
| Delaware | 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
Cooper 27-26-5W42-389-37053
0.4 KM · OXY USA WTP LP · Section with this well →
| Castile | 831 | 1,837 |
| Permian (undifferentiated) | 831 | 1,837 |
| Bell Canyon | 5,089 | -2,421 |
| Delaware | 5,089 | -2,421 |
| Delaware | 5,114 | -2,446 |
| Delaware | 5,221 | -2,553 |
| Cherry Canyon | 5,998 | -3,330 |
| Bone Spring | 8,077 | -5,409 |
10 TOPS · FIRST 8
Cooper 27-26-9W42-389-37055
0.4 KM · OXY USA WTP LP · Section with this well →
| Castile | 1,777 | 890 |
| Permian (undifferentiated) | 1,777 | 890 |
| Delaware | 5,069 | -2,402 |
| Bell Canyon | 5,069 | -2,402 |
| Delaware | 5,108 | -2,441 |
| Delaware | 5,210 | -2,543 |
| Cherry Canyon | 5,987 | -3,320 |
| Bone Spring | 8,067 | -5,400 |
10 TOPS · FIRST 8
Cooper 27-26-4W42-389-37054
0.4 KM · OXY USA WTP LP · Section with this well →
| Castile | 1,777 | 890 |
| Permian (undifferentiated) | 1,777 | 890 |
| Bell Canyon | 5,068 | -2,401 |
| Delaware | 5,068 | -2,401 |
| Delaware | 5,105 | -2,438 |
| Delaware | 5,208 | -2,541 |
| Cherry Canyon | 6,005 | -3,338 |
| Bone Spring | 8,071 | -5,404 |
10 TOPS · FIRST 8
Janey State 24-25-5N Unit42-389-37828
0.4 KM · OXY USA WTP LP · Section with this well →
| Permian (undifferentiated) | 876 | 1,798 |
| Castile | 876 | 1,798 |
| Bell Canyon | 5,088 | -2,414 |
| Delaware | 5,088 | -2,414 |
| Delaware | 5,130 | -2,456 |
| Delaware | 5,206 | -2,532 |
| Cherry Canyon | 5,996 | -3,322 |
| Bone Spring | 8,064 | -5,390 |
10 TOPS · FIRST 8
Janey State 24-25-3N Unit42-389-37829
0.5 KM · OXY USA WTP LP · Section with this well →
| Permian (undifferentiated) | 876 | 1,797 |
| Castile | 876 | 1,797 |
| Bell Canyon | 5,087 | -2,414 |
| Delaware | 5,087 | -2,414 |
| Delaware | 5,128 | -2,455 |
| Delaware | 5,205 | -2,532 |
| Cherry Canyon | 5,987 | -3,314 |
| Bone Spring | 8,066 | -5,393 |
10 TOPS · FIRST 8
McCullough 35-38-2S State42-389-36329
0.6 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
McCullough 35-38-1S42-389-36323
0.6 KM · OXY USA WTP LP · Section with this well →
| Castile | 815 | 1,851 |
| Permian (undifferentiated) | 815 | 1,851 |
| Delaware | 5,071 | -2,405 |
| Bell Canyon | 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
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/38937996, documented in the API reference.