WELL · 42-371-38538 · DISTRICT 8

West Ranch #4606

Y

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

West Ranch #4606 (API 42-371-38538) is a well in Pecos County operated by Longfellow Energy LP, completed September 22, 2009 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued May 28, 2009, permitted to 12,000 ft.

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

Completion filings report 4 formation tops, including Tesnus 1a Upper, Tesnus 1a Base, Tesnus Sandstone, 1st Caballos Chert.

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

Operator of record

Longfellow Energy LP

Permitted by Sandridge Energy, Inc.; the EWA schedule now lists a different operator.

Dallas, TX · P-5 Y, filed Dec 4, 2025 · 36 permits on file · (405) 306-6169

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleLongfellow Energy LP
Production reportsLongfellow Energy, LPthrough Sep 2025
Latest permitSandridge Energy, Inc.May 28, 2009

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
May 28, 2009
last permit issued
Sep 22, 2009
completed
0
cumulative oil, bbl
443K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2009 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 22, 2009
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 lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
West Ranch G-10-257307Pinon (Overthrust)Longfellow Energy, LP10443KSep 2009 – Jul 2026

Gas, mcf lease total

Last 12 months 482 · prior 12 228(+111%)

0100200202420252026

Chain of custody

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

  1. 1Sandridge Expl. and Prod., LLCSep 2009 → Feb 2016
  2. 2Occidental W TX Overthrust, Inc.Mar 2016 → Dec 2021
  3. 3Longfellow Energy, LPJan 2022 → Sep 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
681607-99DrillSandridge Energy, Inc.May 28, 2009May 28, 2009Jul 15, 200912,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-257307————

Formation tops

As filed on W-2/G-1. Subsea from 4,256 ft elevation.Download CSV →

FormationMD ftSubsea
Tesnus 1A Upper2,3741,882
Tesnus 1A Base4,23026
Tesnus Sandstone6,068-1,812
1ST Caballos Chert6,532-2,276

Perforations

Perforated and open-hole intervals.

FromToType
3,2603,607Open hole
4,0684,188Open hole
6,6456,830Open hole
6,9607,248Open hole

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,47512.251,020 S
77,4448.75985 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
00Sep 15, 2010Jun 3, 2010Yes

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/37138538, documented in the API reference.