WELL · 42-371-37031 · DISTRICT 8
West Ranch #508
Pecos County · Bitterweed S. (Caballos) field · Vertical
West Ranch #508 (API 42-371-37031) is a well in Pecos County operated by Sandridge Energy Inc., completed June 1, 2001.
The RRC has issued one drilling permit, issued October 13, 2000, permitted to 9,000 ft.
It was permitted by Riata Energy, Inc. and has since transferred to Sandridge Energy Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including Base Cretaceous (marker), Dimple, Tesnus, Caballos.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Riata Energy, Inc.; the EWA schedule now lists a different operator.
Oklahoma City, OK · P-5 Y, filed Aug 7, 2009 · 698 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sandridge Energy Inc. |
| Production reports | Longfellow Energy, LPthrough Apr 2024 |
| Latest permit | Riata Energy, Inc.Oct 13, 2000 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,000
- total depth, ft
- 1
- permits on file
- Oct 13, 2000
- last permit issued
- Jun 1, 2001
- completed
- 0
- cumulative oil, bbl
- 2.2M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2001 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 1, 2001
- 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| West Ranch G-10-183909 | Pinon (Overthrust) | Longfellow Energy, LP | 1 | 0 | 688K | Jun 2001 – Jul 2026 |
| West Ranch G-10-183910 | Bitterweed, S. (Caballos) | Sandridge Energy, Inc. | 1 | 0 | 1.51M | Jun 2001 – Nov 2007 |
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.
- 1Riata Energy, Inc.Aug 2001 → Nov 2006
- 2Sandridge Energy, Inc.Dec 2006 → May 2009
- 3Sandridge Expl. and Prod., LLCJun 2009 → Feb 2016
- 4Occidental W TX Overthrust, Inc.Mar 2016 → Dec 2021
- 5Longfellow Energy, LPJan 2022 → Apr 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 500560-99 | Drill | Riata Energy, Inc. | Oct 9, 2000 | Oct 13, 2000 | Jan 18, 2001 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-183909 | — | — | — | — |
| — | — G-10-183910 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 4,090 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Cretaceous (marker)BASE CRETACEOUS | 1,900 | 2,190 |
| Dimple | 2,407 | 1,683 |
| Tesnus | 4,302 | -212 |
| Caballos | 5,100 | -1,010 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,890 | 4,952 | Perforated |
| 5,100 | 5,736 | Perforated |
| 5,128 | 5,736 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,359 | 11 | 370 S |
| 5.5 | 5,128 | 7.875 | 355 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 | Aug 11, 2008 | Jul 24, 2008 | — |
| 00 | Jul 11, 2007 | Jun 27, 2007 | — |
| 00 | Oct 1, 2001 | Aug 6, 2001 | Yes |
| 00 | Aug 30, 2001 | — | — |
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 42-371-37031 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-37031 → 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/37137031, documented in the API reference.