WELL · 42-371-38575 · DISTRICT 8
West Ranch #4609
Pecos County · Pinon (Overthrust) field · Directional
West Ranch #4609 (API 42-371-38575) is a well in Pecos County operated by Occidental W TX Overthrust Inc., completed March 12, 2010.
The RRC has issued one drilling permit, issued September 1, 2009, permitted to 14,000 ft.
It was permitted by Sandridge Expl. And Prod., LLC and has since transferred to Occidental W TX Overthrust Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Tesnus 1b, Tesnus 1c, First Caballos.
Its 2 leases have reported 73K barrels of oil and 763K mcf of gas since May 2007, last reporting in July 2026. The leases carry 11 wells, so these are lease totals, not this well alone.
Operator of record
Occidental W TX Overthrust Inc.
Permitted by Sandridge Expl. and Prod., LLC; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Nov 4, 2025 · 1 permits on file · (713) 215-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Occidental W TX Overthrust Inc. |
| Production reports | Longfellow Energy, LPthrough Mar 2026 |
| Latest permit | Sandridge Expl. and Prod., LLCSep 1, 2009 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,000
- total depth, ft
- 1
- permits on file
- Sep 1, 2009
- last permit issued
- Mar 12, 2010
- completed
- 73K
- cumulative oil, bbl
- 763K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 12, 2010
- Shut in
- —
- Plugged
- —
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 11 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| West Ranch O-10-38315 | Pinon (Overthrust) | Longfellow Energy, LP | 10 | 73K | 588K | May 2007 – Jul 2026 |
| West Ranch G-10-257999 | Pinon (Overthrust) | Sandridge Expl. and Prod., LLC | 1 | 0 | 174K | Mar 2010 – Oct 2014 |
Gas, mcf lease total
Last 12 months 0 · prior 12 1,817(-100%)
Oil, barrels lease total
Last 12 months 37 · prior 12 582(-94%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Sandridge Energy, Inc.May 2007 → May 2009
- 2Sandridge Expl. and Prod., LLCJun 2009 → Feb 2016
- 3Occidental W TX Overthrust, Inc.Mar 2016 → Dec 2021
- 4Longfellow Energy, LPJan 2022 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 684673-99 | Drill | Sandridge Expl. and Prod., LLC | Aug 31, 2009 | Sep 1, 2009 | Nov 19, 2009 | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-257999 | — | — | — | — |
| — | — O-10-38315 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 4,309 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Tesnus 1B | 3,314 | 995 |
| Tesnus 1B | 3,345 | 964 |
| Tesnus 1C | 4,910 | -601 |
| Tesnus 1C | 4,982 | -673 |
| First Caballos | 6,231 | -1,922 |
| First Caballos | 6,329 | -2,020 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,384 | 4,586 | Perforated |
| 5,020 | 5,360 | Perforated |
| 6,700 | 7,378 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,526 | 12.25 | 1,261 S |
| 7 | 7,600 | 8.75 | 725 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 13, 2015 | Oct 30, 2014 | — |
| 00 | Nov 22, 2010 | Sep 27, 2010 | Yes |
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 42-371-38575 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-38575 → 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/37138575, documented in the API reference.