WELL · 42-371-38121 · DISTRICT 8
Allison #1307
Pecos County · Allison Ranch (Wolfcamp) field · Vertical
Allison #1307 (API 42-371-38121) is a plugged well in Pecos County, plugged April 25, 2012, last operated by Sandridge Expl. And Prod. LLC.
The RRC has issued one drilling permit, issued November 5, 2007, permitted to 12,000 ft.
It was permitted by Sandridge Energy, Inc. and has since transferred to Sandridge Expl. And Prod. LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Base Cretaceous (marker), Wolfcamp.
Operator of record
Permitted by Sandridge Energy, Inc.; the EWA schedule now lists a different operator.
- Based in
- Oklahoma City, OK
- P-5 status
- Active (A)
- P-5 last filed
- Sep 10, 2025
- Permits on file
- 3,454
- Phone
- (405) 429-5500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sandridge Expl. and Prod. LLC |
| Production reports | Sandridge Expl. and Prod., LLCthrough Aug 2010 |
| Latest permit | Sandridge Energy, Inc.Nov 5, 2007 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 1
- permits on file
- Nov 5, 2007
- last permit issued
- Mar 27, 2008
- completed
- 0
- cumulative oil, bbl
- 3.35K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2008 THROUGH Apr 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 27, 2008
- Shut in
- —
- Plugged
- Apr 25, 2012
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 |
|---|---|---|---|---|---|---|
| Allison G-10-246383 | Allison Ranch (Wolfcamp) | Sandridge Expl. and Prod., LLC | 1 | 0 | 3.35K | Mar 2008 – Apr 2012 |
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.
- 1Sandridge Energy, Inc.Mar 2008 → May 2009
- 2Sandridge Expl. and Prod., LLCJun 2009 → Aug 2010
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 648632-99 | Drill | Sandridge Energy, Inc. | Oct 29, 2007 | Nov 5, 2007 | Jan 11, 2008 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-246383 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 4,323 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Cretaceous (marker)BASE CRETACEOUS | 713 | 3,610 |
| Wolfcamp | 1,592 | 2,731 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,592 | 1,622 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,337 | 12.25 | 860 S |
| 4.5 | 2,934 | 7.875 | 800 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 | May 4, 2009 | Jun 6, 2008 | Yes |
| 00 | Apr 15, 2009 | — | — |
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 42-371-38121 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-38121 → 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/37138121, documented in the API reference.