TEXAS · WELLS · UPTON COUNTY · PEMBROOK UNIT LEASE · API 42-461-33987 · DISTRICT 6E
Pembrook Unit #939
Upton County · Spraberry (Trend Area) field · Vertical
Pembrook Unit #939 (API 42-461-33987) is a plugged well in Upton County, plugged March 17, 2025, last operated by Pioneer Natural Res. USA Inc..
The RRC has issued 2 drilling permits between 1993 and 1999, permitted to 8,300 ft.
Completion filings report 4 formation tops, including Clear Fork, Spraberry, Hazel, M Spraberry.
Its lease has reported 21.6M barrels of oil and 42.8M mcf of gas since the record begins in January 1993, last reporting volume in August 2026. The lease carries 334 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Spring, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 8, 2026
- Permits on file
- 15,633
- 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.Aug 24, 1999 |
- 8,300
- total depth, ft
- 2
- permits on file
- Aug 24, 1999
- last permit issued
- Sep 21, 2023
- completed
- 21.6M
- cumulative oil, bbl
- 42.8M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH AUG 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 21, 2023
- Shut in
- —
- Plugged
- Mar 17, 2025
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH AUG 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; they carry 334 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. | 334 | 21.6M | 42.8M | by Jan 1993 – Aug 2026 |
Oil, barrels lease total
Last 12 months 1,276,440 · prior 12 979,929(+30%)
Gas, mcf lease total
Last 12 months 3,812,978 · prior 12 2,902,511(+31%)
Wells named Pembrook Unit
Pioneer Natural Res. USA Inc.'s other wells filed under this lease name in Upton County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain 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 → Aug 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 486923-99 | Drill | Pioneer Natural Res. USA, Inc. | Aug 24, 1999 | Aug 24, 1999 | Aug 29, 1999 | 8,200 |
| 419626-99 | Drill | Exxon Corp. | Dec 23, 1993 | Dec 28, 1993 | — | 8,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 21, 2023 | Pembrook Unit O-9-4088 | Spraberry (Trend Area) | Pioneer Natural Res. USA Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,689 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 6,154 | -3,465 |
| Clear ForkLOWER CLEARFORK | 6,559 | -3,870 |
| SpraberryUPPER SPRABERRY | 7,012 | -4,323 |
| Hazel | 7,185 | -4,496 |
| M Spraberry | 7,623 | -4,934 |
| SpraberryLOWER SPRABERRY | 7,903 | -5,214 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,017 | 7,224 | Perforated |
| 7,628 | 7,939 | Perforated |
| 7,975 | 7,992 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 523 | 17.5 | 330 S |
| 4.5 | 7,975 | 7.875 | 1,385 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Oct 23, 2023 | Oct 4, 2023 | — |
| 00 | Jan 13, 2000 | Dec 9, 1999 | Yes |
| 00 | Dec 16, 1999 | — | — |
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 42-461-33987 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-33987 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its search.
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/46133987, documented in the API reference.