TEXAS · WELLS · PECOS COUNTY · ALLISON LEASE · API 42-371-37201 · DISTRICT 7B
Allison #305
Pecos County · Pinon (Overthrust) field · Producing · Vertical
Allison #305 (API 42-371-37201) is a well in Pecos County operated by Longfellow Energy LP, completed March 26, 2003 and listed as producing on the RRC schedule, shut in August 1, 2026.
The RRC has issued one drilling permit (amended twice), issued October 17, 2002, permitted to 10,000 ft.
It was permitted by Sandridge Expl. And Prod., LLC and has since transferred to Longfellow Energy LP on the wellbore schedule.
Completion filings report 6 formation tops, including Base Cretaceous (marker), Dimple, Tesnus, 1st Caballos.
Its lease has reported 155 barrels of oil and 1.41M mcf of gas since March 2003, last reporting volume in April 2026.
Operator of record
Permitted by Sandridge Expl. and Prod., LLC; 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 2026 |
| Latest permit | Sandridge Expl. and Prod., LLCOct 17, 2002 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,000
- total depth, ft
- 3
- permits on file
- Oct 17, 2002
- last permit issued
- Mar 26, 2003
- completed
- 155
- cumulative oil, bbl
- 1.41M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2003 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 26, 2003
- Shut in
- Aug 1, 2026
- 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 |
|---|---|---|---|---|---|---|
| Allison G-10-194418 | Pinon (Overthrust) | Longfellow Energy, LP | 1 | 155 | 1.41M | Mar 2003 – Apr 2026 |
Gas, mcf lease total
Last 12 months 2,725 · prior 12 532
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Riata Energy, Inc.Mar 2003 → 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 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 524560-97 | Drill | Sandridge Expl. and Prod., LLC | Jun 4, 2010 | Oct 17, 2002 | Nov 27, 2002 | 11,000 |
| 524560-98 | Drill | Riata Energy, Inc. | Jan 24, 2003 | Oct 17, 2002 | Nov 27, 2002 | 11,000 |
| 524560-99 | Drill | Riata Energy, Inc. | Oct 11, 2002 | Oct 17, 2002 | Nov 27, 2002 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 26, 2003 | Allison G-10-194418 | Pinon (Overthrust) | Longfellow Energy LP | Producing · shut in Aug 1, 2026 | 10,000 |
Formation tops
As filed on W-2/G-1. Subsea from 4,411 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Cretaceous (marker)BASE CRETACEOUS | 2,430 | 1,981 |
| Dimple | 4,600 | -189 |
| Tesnus | 5,320 | -909 |
| 1ST Caballos | 6,480 | -2,069 |
| 2ND Caballos | 6,886 | -2,475 |
| 3RD Caballos | 9,082 | -4,671 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,626 | 4,652 | Perforated |
| 5,964 | 6,105 | Perforated |
| 6,511 | 6,750 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 11.75 | 1,546 | 14.75 | 910 S |
| 8.625 | 3,450 | 11 | 240 S |
| 7 | 6,850 | 7.875 | 450 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jul 17, 2003 | Apr 21, 2003 | Yes |
| 00 | May 27, 2003 | — | — |
Well logs
The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.
Open the RRC's log search for this well ↗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 42-371-37201 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-37201 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search for it. The University Lands library has no per-well link: then paste it into its 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/37137201, documented in the API reference.