TEXAS · WELLS · PECOS COUNTY · API 42-371-34132 · DISTRICT 7B

Allison #1

Y

Pecos County · Pinon (Overthrust) field · Producing  · Vertical

Allison #1 (API 42-371-34132) is a well in Pecos County operated by Longfellow Energy LP, completed October 24, 1999 and listed as producing on the RRC schedule.

The RRC has issued 2 drilling permits between 1982 and 1999, permitted to 9,275 ft.

It was permitted by Riata Energy, Inc. and has since transferred to Longfellow Energy LP on the wellbore schedule.

Completion filings report 9 formation tops, including Cretaceous, Leonard, Wolfcamp, Texnus.

No lease production has been reported under this well’s leases.

Operator of record

Longfellow Energy LP

Permitted by Riata Energy, Inc.; 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 scheduleLongfellow Energy LP
Production reportsLongfellow Energy, LPthrough Apr 2026
Latest permitRiata Energy, Inc.Nov 10, 1999

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

9,275
total depth, ft
2
permits on file
Nov 10, 1999
last permit issued
Oct 24, 1999
completed
0
cumulative oil, bbl
599K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 24, 1999
Shut in
—
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Allison G-10-176379Pinon (Overthrust)Longfellow Energy, LP10413KOct 1999 – Jul 2026
Longfellow 600 3 G-10-107925Pinon (Overthrust)Riata Energy, Inc.10186KJan 1993 – Oct 1999

Gas, mcf lease total

Last 12 months 9 · prior 12 780(-99%)

0100200300202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Fina Oil & Chemical CompanyJan 1993 → May 1998
  2. 2Riata Energy, Inc.Jun 1998 → Nov 2006
  3. 3Sandridge Energy, Inc.Dec 2006 → May 2009
  4. 4Sandridge Expl. and Prod., LLCJun 2009 → Feb 2016
  5. 5Occidental W TX Overthrust, Inc.Mar 2016 → Dec 2021
  6. 6Longfellow Energy, LPJan 2022 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
489395-99RecompletionRiata Energy, Inc.Nov 10, 1999Nov 10, 1999Jul 19, 19999,300
181472-99DrillTenneco Oil Co.Nov 10, 1983Dec 23, 1982Jan 10, 19837,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 24, 1999Allison G-10-176379Pinon (Overthrust)Longfellow Energy LPProducing9,275
Jun 3, 1983Longfellow 600 3 G-10-107925Pinon (Overthrust)Riata Energy Inc.Not on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 4,275 ft elevation.Download CSV →

FormationMD ftSubsea
Cretaceous14,274
Leonard1,0403,235
Wolfcamp1,8502,425
Texnus3,335940
Dimple5,305-1,030
Tesnus5,550-1,275
Atoka7,190-2,915
2ND Caballos7,440-3,165
3RD Caballos8,325-4,050

Perforations

Perforated and open-hole intervals.

FromToType
4,4104,470Perforated
4,5804,636Perforated
4,7004,766Perforated
8,6018,727Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.6251,40017.51,925 S
13.3751,401——
8.6254,20012.25710 S
8.6254,208——
5.55,8027.875400 S
5.57,5007.875410 S
5.57,553——
3.59,220—100 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00May 25, 2000Feb 17, 2000Yes
00Apr 10, 2000——
00May 1, 1984Sep 7, 1983—
00Apr 25, 1984Sep 7, 1983—

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.

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/37134132, documented in the API reference.