WELL · 42-371-36531 · DISTRICT 8
Piper #1
Pecos County · Costa (Tubb) field · Vertical
Piper #1 (API 42-371-36531) is a plugged well in Pecos County, plugged June 14, 2022, last operated by Endeavor Energy Resources L.P..
The RRC has issued 2 drilling permits between 1995 and 1996, permitted to 4,200 ft.
It was permitted by Walker, Kent and has since transferred to Endeavor Energy Resources L.P. on the wellbore schedule.
Completion filings report 3 formation tops, including San Andres, Clear Fork, Tubb.
Its 2 leases have reported 10.9K barrels of oil and 331K mcf of gas since June 1995, last reporting in July 2022. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Endeavor Energy Resources L.P.
Permitted by Walker, Kent; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Apr 4, 2026 · 6,190 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Endeavor Energy Resources L.P. |
| Production reports | Endeavor Energy Resources L.P.through Dec 2010 |
| Latest permit | Walker, KentApr 26, 1996 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,200
- total depth, ft
- 2
- permits on file
- Apr 26, 1996
- last permit issued
- Jun 22, 1995
- completed
- 10.9K
- cumulative oil, bbl
- 331K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 1995 THROUGH Jul 2022
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 22, 1995
- Shut in
- —
- Plugged
- Jun 14, 2022
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.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Piper O-10-34553 | Costa (Tubb) | Endeavor Energy Resources L.P. | 1 | 10.9K | 0 | Jun 1995 – Jul 2022 |
| Piper G-10-158173 | Abell, Northwest (Clear Fork) | Endeavor Energy Resources L.P. | 1 | 0 | 331K | Mar 1996 – May 2022 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Walker, KentJun 1995 → Dec 1997
- 2Fagadau Energy CorporationJan 1998 → Dec 2002
- 3BC Operating, Inc.Jan 2003 → Oct 2004
- 4Celero Energy, L.P.Nov 2004 → Sep 2005
- 5Whiting Oil and Gas CorporationOct 2005 → Jun 2006
- 6Endeavor Energy Resources L.P.Jul 2006 → Dec 2010
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 447307-99 | Recompletion | Walker, Kent | Apr 22, 1996 | Apr 26, 1996 | Mar 12, 1996 | 4,200 |
| 435844-99 | Drill | Walker, Kent | May 24, 1995 | May 25, 1995 | May 31, 1995 | 4,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-158173 | — | — | — | — |
| — | — O-10-34553 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,372 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Andres | 2,510 | -138 |
| Clear ForkCLEARFORK | 3,215 | -843 |
| Clear ForkCLEARFORK | 3,253 | -881 |
| Tubb | 3,849 | -1,477 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,253 | 3,339 | Perforated |
| 4,001 | 4,073 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 514 | 12.25 | 300 S |
| 4.5 | 4,200 | 7.875 | 1,220 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 | Jul 18, 1996 | Apr 19, 1996 | Yes |
| 00 | May 30, 1996 | — | — |
| 00 | Oct 30, 1995 | Jul 7, 1995 | Yes |
| 00 | Jul 31, 1995 | — | — |
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 42-371-36531 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-36531 → 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.
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/37136531, documented in the API reference.