WELL · 42-461-41554 · DISTRICT 7
Pembrook Unit #321H
Upton County · Spraberry (Trend Area) field · Producing · Horizontal
Pembrook Unit #321H (API 42-461-41554) is a horizontal well in Upton County operated by Pioneer Natural Res. USA Inc., completed July 1, 2021 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued August 10, 2020, permitted to 8,367 ft.
Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Spraberry.
Its lease has reported 21.3M barrels of oil and 41.5M mcf of gas since January 1993, last reporting in July 2026. The lease carries 333 wells, so these are lease totals, not this well alone.
Operator of record
Spring, TX · P-5 Y, filed May 4, 2026 · 15,619 permits on file · (972) 598-8150
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.Aug 10, 2020 |
- 8,367
- total depth, ft
- 1
- permits on file
- Aug 10, 2020
- last permit issued
- Jul 1, 2021
- completed
- 21.3M
- cumulative oil, bbl
- 41.5M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 1, 2021
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.526195, -101.792096
OpenStreetMap → · Google Maps →
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; they carry 333 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Pembrook Unit O-9-4088 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 333 | 21.3M | 41.5M | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,411,130 · prior 12 756,213(+87%)
Gas, mcf lease total
Last 12 months 3,512,715 · prior 12 2,929,097(+20%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Exxon Corp.Jan 1993 → Mar 2000
- 2Exxon Mobil CorporationApr 2000 → Jul 2005
- 3Pioneer Natural Res. USA, Inc.Aug 2005 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 864577-99 | Drill | Pioneer Natural Res. USA, Inc. | Aug 6, 2020 | Aug 10, 2020 | Nov 14, 2020 | 8,367 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-4088 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,727 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,319 | 408 |
| Grayburg | 3,039 | -312 |
| San AndresSAN ANDRES - SALTWATER FLOW | 3,904 | -1,177 |
| Spraberry | 6,956 | -4,229 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Strawn | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,054 | 16,155 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,270 | 17.5 | 1,275 S |
| 9.625 | 6,170 | 12.25 | 1,104 S |
| 5.5 | 16,184 | 6.75 | 820 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 | Dec 30, 2021 | Dec 2, 2021 | Yes |
| 00 | Jul 8, 2021 | Jun 18, 2021 | — |
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 42-461-41554 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-41554 → 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.
Pembrook Unit42-461-41553
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,315 | 412 |
| Grayburg | 3,773 | -1,046 |
| San Andres | 3,828 | -1,101 |
| Spraberry | 6,925 | -4,198 |
| Strawn | — | |
| Wolfcamp | — | |
| Devonian | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
Pembrook Unit42-461-41065
0.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,312 | 413 |
| Grayburg | 3,859 | -1,134 |
| San Andres | 3,985 | -1,260 |
| Spraberry | 6,959 | -4,234 |
| Dean | 8,602 | -5,877 |
| Fusselman | — | |
| Strawn | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
Pembrook Unit42-461-41066
0.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,325 | 400 |
| Grayburg | 3,850 | -1,125 |
| San Andres | 3,979 | -1,254 |
| Spraberry | 6,947 | -4,222 |
| Dean | 8,602 | -5,877 |
| Strawn | — | |
| Devonian | — | |
| Ellenburger | — |
10 TOPS · FIRST 8
Brook D-E3F42-461-41562
0.2 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,310 | 417 |
| Grayburg | 3,760 | -1,033 |
| San Andres | 3,890 | -1,163 |
| Spraberry | 6,957 | -4,230 |
| Wolfcamp | 8,575 | -5,848 |
| Fusselman | — | |
| Devonian | — | |
| Strawn | — |
9 TOPS · FIRST 8
Brook D-E3E42-461-41561
0.2 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,317 | 410 |
| Grayburg | 3,759 | -1,032 |
| San Andres | 3,858 | -1,131 |
| Spraberry | 6,962 | -4,235 |
| Wolfcamp | 8,563 | -5,836 |
| Devonian | — | |
| Strawn | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Brook D-E3D42-461-41560
0.2 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,319 | 408 |
| Grayburg | 3,774 | -1,047 |
| San Andres | 3,866 | -1,139 |
| Spraberry | 6,968 | -4,241 |
| Wolfcamp | 8,568 | -5,841 |
| Fusselman | — | |
| Ellenburger | — | |
| Devonian | — |
9 TOPS · FIRST 8
Brook D-E3C42-461-40890
0.2 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,285 | 441 |
| Grayburg | 3,765 | -1,039 |
| San Andres | 3,868 | -1,142 |
| Spraberry | 6,943 | -4,217 |
| Dean | 8,360 | -5,634 |
| Wolfcamp | 8,548 | -5,822 |
| Fusselman | — | |
| Ellenburger | — |
10 TOPS · FIRST 8
Brook D-E3B42-461-40889
0.2 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,301 | 427 |
| Grayburg | 3,773 | -1,045 |
| San Andres | 3,877 | -1,149 |
| Spraberry | 6,959 | -4,231 |
| Dean | 8,376 | -5,648 |
| Wolfcamp | 8,563 | -5,835 |
| 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/46141554, documented in the API reference.