TEXAS · WELLS · RUSK COUNTY · API 42-401-33729 · DISTRICT 06

Mullins Unit #1

Y

Rusk County · Minden (Cotton Valley Cons.) field · Producing  · Vertical

Mullins Unit #1 (API 42-401-33729) is a well in Rusk County operated by Buckhorn Operating LLC, completed February 15, 2006 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued October 31, 2005, permitted to 12,085 ft.

It was permitted by Encana Oil & Gas(USA) Inc. and has since transferred to Buckhorn Operating LLC on the wellbore schedule.

Completion filings report 13 formation tops, including Austin Chalk, Buda, Paluxy, Glen Rose.

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

Operator of record

Buckhorn Operating LLC

Permitted by Encana Oil & Gas(usa) Inc.; the EWA schedule now lists a different operator.

Based in
MT Enterprise, TX
P-5 status
Active (A)
P-5 last filed
Jul 17, 2026
Permits on file
14
Phone
(903) 658-1889

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleBuckhorn Operating LLC
Production reportsJandar Exploration, L. C.through Apr 2026
Latest permitEncana Oil & Gas(usa) Inc.Oct 31, 2005

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

12,085
total depth, ft
1
permits on file
Oct 31, 2005
last permit issued
Feb 15, 2006
completed
0
cumulative oil, bbl
197K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2005 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 15, 2006
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
Mullins Unit G-6-219492Minden (Cotton Valley Lime)Jandar Exploration, L. C.100Dec 2005 – Jul 2026
Mullins Unit G-6-219703Minden (Cotton Valley Cons.)Jandar Exploration, L. C.10197KDec 2005 – Jul 2026

Gas, mcf lease total

Last 12 months 1,063 · prior 12 672(+58%)

0200400600202420252026

Chain of custody

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

  1. 1Encana Oil & Gas(usa) Inc.Dec 2005 → Jun 2008
  2. 2NFR Energy, LLCJul 2008 → Jun 2012
  3. 3Jandar Exploration, L. C.Sep 2012 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
608675-99DrillEncana Oil & Gas(usa) Inc.Oct 30, 2005Oct 31, 2005Nov 3, 200512,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Feb 15, 2006Mullins Unit G-6-219703Minden (Cotton Valley Cons.)Buckhorn Operating LLCProducing12,085
Dec 2, 2005Mullins Unit G-6-219492Minden (Cotton Valley Lime)Buckhorn Operating LLCSWR-10-Well · shut in Mar 1, 200612,085

Formation tops

As filed on W-2/G-1. Subsea from 445 ft elevation.Download CSV →

FormationMD ftSubsea
Austin Chalk2,411-1,966
Austin Chalk2,749-2,304
Austin ChalkAUSTIN CHALK BASE2,749-2,304
Buda3,293-2,848
Paluxy4,361-3,916
Glen RoseGLENROSE4,644-4,199
Massive Anhydrite (marker)MASSIVE ANHYDRITE6,191-5,746
Rodessa6,353-5,908
James Lime6,828-6,383
Pettit7,189-6,744
Travis Peak7,395-6,950
Knowles Lime9,337-8,892
Taylor10,524-10,079
TaylorTAYLOR SAND10,524-10,079
BossierBOSSIER SHALE10,800-10,355
Cotton ValleyCOTTON VALLEY LIME11,567-11,122

Perforations

Perforated and open-hole intervals.

FromToType
9,4409,450Perforated
9,7009,704Perforated
9,7809,786Perforated
9,8369,840Perforated
9,9229,932Perforated
10,02810,038Perforated
10,22310,233Perforated
10,31010,324Perforated
10,52610,530Perforated
10,53510,540Perforated
10,56710,570Perforated
10,57810,582Perforated
10,64210,643Perforated
10,68710,690Perforated
10,69810,701Perforated
10,73810,741Perforated
11,57211,576Perforated
11,59011,594Perforated
11,60611,610Perforated
11,63411,638Perforated
11,69811,702Perforated
11,77011,780Perforated
11,82011,830Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,10012.25409 S
4.512,0858.751,626 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
00Feb 13, 2007May 11, 2006Yes
00Feb 10, 2007Apr 2, 2006Yes
00Oct 3, 2006——
00Sep 27, 2006——

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/40133729, documented in the API reference.