TEXAS · WELLS · PECOS COUNTY · WEST RANCH LEASE · API 42-371-36400 · DISTRICT 7B
West Ranch #4101
Pecos County · Pinon (Overthrust) field · Producing · Directional · Sidetrack
West Ranch #4101 (API 42-371-36400) is a well in Pecos County operated by Longfellow Energy LP, completed November 6, 1993 and listed as producing on the RRC schedule, shut in May 1, 2024.
The RRC has issued one drilling permit (amended twice), issued July 7, 1993, permitted to 7,200 ft.
It was permitted by Fina Oil & Chemical Company and has since transferred to Longfellow Energy LP on the wellbore schedule.
Completion filings report 6 formation tops, including Leonard, Top Of Thrust, Tesnus Shale, Tesnus Carbonate.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Fina Oil & Chemical Company; the EWA schedule now lists a different operator.
- Based in
- Dallas, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 26, 2026
- Permits on file
- 38
- Phone
- (972) 590-9900
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Longfellow Energy LP |
| Production reports | Longfellow Energy, LPthrough Apr 2024 |
| Latest permit | Fina Oil & Chemical CompanyJul 7, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,200
- total depth, ft
- 3
- permits on file
- Jul 7, 1993
- last permit issued
- Nov 6, 1993
- completed
- 0
- cumulative oil, bbl
- 2.64M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 6, 1993
- Shut in
- May 1, 2024
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 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 |
|---|---|---|---|---|---|---|
| West Ranch G-10-147873 | Rio Caballos (Caballos) | Longfellow Energy, LP | 1 | 0 | 2.64M | Nov 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Fina Oil & Chemical CompanyNov 1993 → May 1998
- 2Riata Energy, Inc.Jun 1998 → Nov 2006
- 3Sandridge Energy, Inc.Dec 2006 → May 2009
- 4Sandridge Expl. and Prod., LLCJun 2009 → Feb 2016
- 5Occidental W TX Overthrust, Inc.Mar 2016 → Dec 2021
- 6Longfellow Energy, LPJan 2022 → Apr 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 413513-97 | Drill · sidetrack | Fina Oil & Chemical Company | Jan 14, 1994 | Jul 7, 1993 | — | 7,500 |
| 413513-98 | Drill | Fina Oil & Chemical Company | Dec 27, 1993 | Jul 7, 1993 | — | 7,500 |
| 413513-99 | Drill | Fina Oil & Chemical Company | Jul 5, 1993 | Jul 7, 1993 | Jul 20, 1993 | 7,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 6, 1993 | West Ranch G-10-147873 | Pinon (Overthrust) | Longfellow Energy LP | Producing · shut in May 1, 2024 | 7,200 |
Formation tops
As filed on W-2/G-1. Subsea from 3,903 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Leonard | 520 | 3,383 |
| Top of Thrust | 2,290 | 1,613 |
| Tesnus Shale | 4,460 | -557 |
| Tesnus Carbonate | 5,620 | -1,717 |
| Caballos | 6,806 | -2,903 |
| Maravillas | 7,100 | -3,197 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,833 | 6,964 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,010 | 17.5 | 830 S |
| 9.625 | 3,004 | 12.25 | 600 S |
| 5.5 | 7,197 | 8.75 | 565 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 | Mar 29, 1994 | Dec 21, 1993 | Yes |
| 00 | Feb 4, 1994 | — | — |
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 42-371-36400 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-36400 → 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/37136400, documented in the API reference.