TEXAS · WELLS · PECOS COUNTY · WEST RANCH LEASE · API 42-371-37238 · DISTRICT 7B

West Ranch #604

Shut in

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

West Ranch #604 (API 42-371-37238) is a well in Pecos County operated by Longfellow Energy LP, completed May 1, 2003 and listed as producing on the RRC schedule, shut in August 1, 2026.

The RRC has issued one drilling permit, issued January 24, 2003, permitted to 4,304 ft.

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

Completion filings report 3 formation tops, including Base Cretaceous (marker), Dimple, Tesnus.

Its lease has reported 844 barrels of oil and 1.64M mcf of gas since May 2003, last reporting volume in January 2026.

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
41
Phone
(972) 590-9900

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleLongfellow Energy LP
Production reportsLongfellow Energy, LPthrough Jan 2026
Latest permitRiata Energy, Inc.Jan 24, 2003

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

4,304
total depth, ft
1
permits on file
Jan 24, 2003
last permit issued
May 1, 2003
completed
844
cumulative oil, bbl
1.64M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2003 THROUGH Jan 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 1, 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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
West Ranch G-10-195246Pinon (Overthrust)Longfellow Energy, LP18441.64MMay 2003 – Jan 2026

Gas, mcf lease total

Last 12 months 1,638 · prior 12 166

0200400600202420252026

Chain of custody

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

  1. 1Riata Energy, Inc.May 2003 → Nov 2006
  2. 2Sandridge Energy, Inc.Dec 2006 → May 2009
  3. 3Sandridge Expl. and Prod., LLCJun 2009 → Feb 2016
  4. 4Occidental W TX Overthrust, Inc.Mar 2016 → Dec 2021
  5. 5Longfellow Energy, LPJan 2022 → Jan 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
527359-99DrillRiata Energy, Inc.Jan 16, 2003Jan 24, 2003Mar 7, 20037,000

Completions

CompletedLeaseFieldOperatorStatusDepth
May 1, 2003West Ranch G-10-195246Pinon (Overthrust)Longfellow Energy LPProducing · shut in Aug 1, 20264,304

Formation tops

As filed on W-2/G-1. Subsea from 3,991 ft elevation.Download CSV →

FormationMD ftSubsea
Base Cretaceous (marker)BASE CRETACEOUS1,9921,999
Dimple3,750241
Tesnus3,797194

Perforations

Perforated and open-hole intervals.

FromToType
3,7623,990Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
71,3668.75400 S
4.54,3046.125—

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 →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Jul 17, 2003May 29, 2003Yes
00Jul 7, 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 ↗

Find logs withinmiles of this well:List →Map →

Search the well logs loaded into Petrora →

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.

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/37137238, documented in the API reference.