TEXAS · WELLS · UPTON COUNTY · BROOK O-1A LEASE · API 42-461-43185 · DISTRICT 6E
Brook O-1A #1H
Upton County · Spraberry (Trend Area) field · Producing · Horizontal
Brook O-1a #1H (API 42-461-43185) is a horizontal well in Upton County operated by Pioneer Natural Res. USA Inc., completed February 13, 2026 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued June 9, 2025, permitted to 8,913 ft.
Completion filings report 10 formation tops, including Yates, Grayburg, San Andres, Clear Fork.
Its lease has reported 73.9K barrels of oil and 88.5K 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 9, 2025 |
- 8,913
- total depth, ft
- 1
- permits on file
- Jun 9, 2025
- last permit issued
- Feb 13, 2026
- completed
- 73.9K
- cumulative oil, bbl
- 88.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2025 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 13, 2026
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
31.494636, -101.844075
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 O-1A O-9-23458 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 1 | 73.9K | 88.5K | Sep 2025 – Jul 2026 |
Oil, barrels lease total
Last 12 months 73,884 · prior 12 0
Gas, mcf lease total
Last 12 months 88,539 · 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 |
|---|---|---|---|---|---|---|
| 908360-99 | Drill | Pioneer Natural Res. USA, Inc. | May 30, 2025 | Jun 9, 2025 | Aug 1, 2025 | 10,922 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 13, 2026 | Brook O-1A O-9-23458 | Spraberry (Trend Area) | Pioneer Natural Res. USA Inc. | Producing | 8,913 |
Formation tops
As filed on W-2/G-1. Subsea from 2,737 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,385 | 352 |
| Grayburg | 3,913 | -1,176 |
| San AndresSAN ANDRES - SALTWATER FLOW | 4,121 | -1,384 |
| Clear ForkCLEARFORK | 6,241 | -3,504 |
| Spraberry | 7,145 | -4,408 |
| Wolfcamp | 8,734 | -5,997 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Strawn | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,038 | 27,286 | 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 | 5,467 | 12.25 | 1,880 S |
| 5.5 | 27,311 | 6.75 | 2,005 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 12, 2026 | Apr 14, 2026 | — |
| 00 | Feb 25, 2026 | Feb 10, 2026 | — |
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 42-461-43185 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-43185 → 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 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 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 |
| Devonian | — | |
| Wolfcamp | — | |
| Strawn | — |
10 TOPS · FIRST 8
Brook Unit O-1D42-461-43190
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,377 | 360 |
| Grayburg | 3,914 | -1,177 |
| San Andres | 4,130 | -1,393 |
| Clear Fork | 6,227 | -3,490 |
| Spraberry | 7,124 | -4,387 |
| Wolfcamp | — | |
| Fusselman | — | |
| Ellenburger | — |
10 TOPS · FIRST 8
Brook Unit O-1E42-461-43191
0.5 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 |
| Fusselman | — | |
| Ellenburger | — | |
| Devonian | — |
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 | — | |
| Ellenburger | — |
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 |
| Wolfcamp | — | |
| Strawn | — | |
| Ellenburger | — |
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 |
| Devonian | — | |
| Strawn | — |
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/46143185, documented in the API reference.