WELL · 42-401-31260 · DISTRICT 6

Longhorn Gas Unit #3

Plugged

Rusk County · Oak Hill (Cotton Valley) field  · Vertical

Longhorn Gas Unit #3 (API 42-401-31260) is a plugged well in Rusk County, plugged November 21, 2023, last operated by Rockcliff Energy Operating LLC.

The RRC has issued one drilling permit, issued August 13, 1981, permitted to 10,800 ft.

It was permitted by Mccormick Operating Company and has since transferred to Rockcliff Energy Operating LLC on the wellbore schedule.

Operator of record

Rockcliff Energy Operating LLC

Permitted by McCormick Operating Company; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Jun 4, 2026 · 569 permits on file · (318) 459-2382

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleRockcliff Energy Operating LLC
Production reportsRockcliff Energy Operating LLCthrough Nov 2023
Latest permitMcCormick Operating CompanyAug 13, 1981

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

10,800
total depth, ft
1
permits on file
Aug 13, 1981
last permit issued
Oct 20, 1981
completed
0
cumulative oil, bbl
825K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2024

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Oct 20, 1981
Shut in
—
Plugged
Nov 21, 2023

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
Longhorn Gas Unit G-6-96086Oak Hill (Cotton Valley)Rockcliff Energy Operating LLC10825KJan 1993 – Feb 2024

Gas, mcf lease total

Last 12 months 0 · prior 12 0

02K4K202420252026

Chain of custody

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

  1. 1Nuevo Energy CompanyJan 1993 → Dec 1998
  2. 2Samson Lone Star LPJan 1999 → Jun 2007
  3. 3Samson Lone Star, LLCJul 2007 → Sep 2017
  4. 4Rockcliff Energy Operating LLCOct 2017 → Nov 2023

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
130172-99DrillMcCormick Operating CompanyAug 13, 1981Aug 13, 1981Aug 21, 198110,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-6-96086————

Perforations

Perforated and open-hole intervals.

FromToType
9,0069,409Perforated
9,0969,409Perforated
9,6379,969Perforated
10,16010,444Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,18512.251,400 S
2.37510,021——
5.510,5628.751,325 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 6, 2003Apr 7, 2003—
00Apr 28, 2003Mar 31, 2003—
00Jun 18, 1999Jun 4, 1999—
00Jan 19, 1993Dec 10, 1992—
00Jan 12, 1984Nov 5, 1981Yes

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). 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/40131260, documented in the API reference.