WELL · 42-371-35988 · DISTRICT 8

West Ranch #1

Y

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

West Ranch #1 (API 42-371-35988) is a well in Pecos County operated by Longfellow Energy LP, completed December 16, 1991 and listed as producing on the RRC schedule.

The RRC has issued 2 drilling permits between 1987 and 1992, permitted to 8,000 ft.

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

Completion filings report 12 formation tops, including Wolfcamp, Top Marathan, 1st Tesnus, Tesnus I.

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

Operator of record

Longfellow Energy LP

Permitted by Exploration Techniques, Inc.; the EWA schedule now lists a different operator.

Dallas, TX · P-5 Y, filed Dec 4, 2025 · 37 permits on file · (405) 306-6169

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleLongfellow Energy LP
Production reportsLongfellow Energy, LPthrough Apr 2026
Latest permitExploration Techniques, Inc.Feb 13, 1992

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

8,000
total depth, ft
2
permits on file
Feb 13, 1992
last permit issued
Dec 16, 1991
completed
0
cumulative oil, bbl
702K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 16, 1991
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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
West Ranch G-10-138440WildcatLongfellow Energy, LP100Jan 1993 – Jul 2026
West Ranch G-10-140878Pinon (Overthrust)Longfellow Energy, LP10702KJan 1993 – Jul 2026

Gas, mcf lease total

Last 12 months 2,464 · prior 12 1,313(+88%)

0200400600202420252026

Chain of custody

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

  1. 1Fina Oil & Chemical CompanyNov 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
396387-99RecompletionExploration Techniques, Inc.Feb 3, 1992Feb 13, 1992Sep 13, 19877,000
335573-99DrillCitation Oil & Gas Corp.Sep 4, 1987Sep 4, 1987Sep 13, 19878,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-138440————
—— G-10-140878————

Formation tops

As filed on W-2/G-1. Subsea from 4,100 ft elevation.Download CSV →

FormationMD ftSubsea
Wolfcamp1,3002,800
Top Marathan2,0902,010
1ST Tesnus2,2601,840
Tesnus I2,2601,840
1ST Caballos3,605495
Caballos I3,606494
2ND Tesnus4,0919
Tesnus II4,0928
2ND Caballos5,119-1,019
Caballos II5,120-1,020
3RD Tesnus6,310-2,210
Tesnus III6,310-2,210

Perforations

Perforated and open-hole intervals.

FromToType
5,1235,262Perforated
5,4515,474Perforated
6,3196,419Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,02917.51,100 S
5.57,0008.751,530 S
5.570,00012.251,530 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 19, 1992Jan 29, 1992Yes
00Mar 20, 1992——
00Jan 10, 1992Jul 23, 1998Yes
00Dec 10, 1991——

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/37135988, documented in the API reference.