TEXAS · WELLS · UPTON COUNTY · BROOK UNIT O-1D LEASE · API 42-461-43190 · DISTRICT 6E
Brook Unit O-1D #4H
Upton County · Spraberry (Trend Area) field · Producing · Horizontal
Brook Unit O-1d #4H (API 42-461-43190) is a horizontal well in Upton County operated by Pioneer Natural Res. USA Inc., completed February 12, 2026 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued June 13, 2025, permitted to 8,146 ft.
Completion filings report 10 formation tops, including Yates, Grayburg, San Andres, Clear Fork.
Its lease has reported 21K barrels of oil and 23.5K mcf of gas since September 2025, last reporting in July 2026.
Operator of record
- Based in
- Spring, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 8, 2026
- Permits on file
- 15,628
- Phone
- (972) 444-4001
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | Pioneer Natural Res. USA, Inc.through Apr 2026 |
| Latest permit | Pioneer Natural Res. USA, Inc.Jun 13, 2025 |
- 8,146
- total depth, ft
- 1
- permits on file
- Jun 13, 2025
- last permit issued
- Feb 12, 2026
- completed
- 21K
- cumulative oil, bbl
- 23.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2025 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 12, 2026
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
31.494698, -101.843796
Permit surface location from the RRC GIS record, in Upton 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 |
|---|---|---|---|---|---|---|
| Brook Unit O-1D O-9-23479 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 1 | 21K | 23.5K | Sep 2025 – Jul 2026 |
Oil, barrels lease total
Last 12 months 20,977 · prior 12 0
Gas, mcf lease total
Last 12 months 23,534 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Feb 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 908366-99 | Drill | Pioneer Natural Res. USA, Inc. | May 30, 2025 | Jun 13, 2025 | Aug 4, 2025 | 10,922 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 12, 2026 | Brook Unit O-1D O-9-23479 | Spraberry (Trend Area) | Pioneer Natural Res. USA Inc. | Producing | 8,146 |
Formation tops
As filed on W-2/G-1. Subsea from 2,737 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,377 | 360 |
| Grayburg | 3,914 | -1,177 |
| San AndresSAN ANDRES - SALTWATER FLOW | 4,130 | -1,393 |
| Clear ForkCLEARFORK | 6,227 | -3,490 |
| Spraberry | 7,124 | -4,387 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Strawn | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,653 | 26,874 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,283 | 17.5 | 1,325 S |
| 9.625 | 5,676 | 12.25 | 1,920 S |
| 5.5 | 26,899 | 8.75 | 2,050 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 | May 14, 2026 | Apr 14, 2026 | — |
| 00 | Mar 17, 2026 | Mar 3, 2026 | 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 42-461-43190 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-43190 → 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.
Brook Unit O-1C42-461-43189
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,383 | 354 |
| Grayburg | 3,913 | -1,176 |
| San Andres | 4,127 | -1,390 |
| Clear Fork | 6,225 | -3,488 |
| Spraberry | 7,121 | -4,384 |
| Strawn | — | |
| Wolfcamp | — | |
| Fusselman | — |
10 TOPS · FIRST 8
Brook O-1B42-461-43186
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,385 | 352 |
| Grayburg | 3,912 | -1,175 |
| San Andres | 4,119 | -1,382 |
| Clear Fork | 6,228 | -3,491 |
| Spraberry | 7,133 | -4,396 |
| Wolfcamp | 8,716 | -5,979 |
| Ellenburger | — | |
| Strawn | — |
10 TOPS · FIRST 8
Brook O-1A42-461-43185
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,385 | 352 |
| Grayburg | 3,913 | -1,176 |
| San Andres | 4,121 | -1,384 |
| Clear Fork | 6,241 | -3,504 |
| Spraberry | 7,145 | -4,408 |
| Wolfcamp | 8,734 | -5,997 |
| Strawn | — | |
| Fusselman | — |
10 TOPS · FIRST 8
Brook Unit O-1E42-461-43191
0.4 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,380 | 356 |
| Grayburg | 3,913 | -1,177 |
| San Andres | 4,122 | -1,386 |
| Clear Fork | 6,163 | -3,427 |
| Spraberry | 7,121 | -4,385 |
| Wolfcamp | — | |
| Ellenburger | — | |
| Fusselman | — |
10 TOPS · FIRST 8
Brook O-1F42-461-43187
0.5 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,394 | 342 |
| Grayburg | 3,919 | -1,183 |
| San Andres | 4,110 | -1,374 |
| Clear Fork | 6,259 | -3,523 |
| Spraberry | 7,122 | -4,386 |
| Wolfcamp | 8,701 | -5,965 |
| Strawn | — | |
| Fusselman | — |
10 TOPS · FIRST 8
Brook O-1G42-461-43188
0.5 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,270 | 466 |
| Grayburg | 3,828 | -1,092 |
| San Andres | 4,021 | -1,285 |
| Clear Fork | 6,063 | -3,327 |
| Spraberry | 6,805 | -4,069 |
| Wolfcamp | 8,446 | -5,710 |
| Strawn | — | |
| Devonian | — |
10 TOPS · FIRST 8
Brook Unit O-1H42-461-43192
0.5 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,392 | 344 |
| Grayburg | 3,910 | -1,174 |
| San Andres | 4,115 | -1,379 |
| Clear Fork | 6,201 | -3,465 |
| Spraberry | 7,091 | -4,355 |
| Strawn | — | |
| Wolfcamp | — | |
| Fusselman | — |
10 TOPS · FIRST 8
Brook O-2Z42-461-40760
1.7 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,435 | 308 |
| Grayburg | 4,058 | -1,315 |
| San Andres | 4,171 | -1,428 |
| Spraberry | 7,170 | -4,427 |
| Dean | 8,596 | -5,853 |
| Wolfcamp | 8,788 | -6,045 |
| Strawn | — | |
| Fusselman | — |
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/46143190, documented in the API reference.