WELL · 42-405-30318 · DISTRICT 6

Sublett J. GU #1H

Y

San Augustine County · Carthage (Haynesville Shale) field · Producing  · Horizontal

Sublett J. GU #1H (API 42-405-30318) is a horizontal well in San Augustine County operated by Sheridan Production CO Iii LLC, completed August 28, 2010 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended twice), issued January 26, 2010, permitted to 18,500 ft.

It was permitted by Devon Energy Production CO, L.P. and has since transferred to Sheridan Production CO Iii LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Pettit, Travis Peak, Bossier.

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

Operator of record

Sheridan Production Co III LLC

Permitted by Devon Energy Production Co, L.P.; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Aug 18, 2025
Permits on file
97
Phone
(713) 548-1000

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSheridan Production Co III LLC
Production reportsSheridan Production Co III, LLCthrough Apr 2026
Latest permitDevon Energy Production Co, L.P.Jan 26, 2010

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

18,500
total depth, ft
3
permits on file
Jan 26, 2010
last permit issued
Aug 28, 2010
completed
0
cumulative oil, bbl
1.54M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2010 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 28, 2010
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 lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Sublett, J. GU G-6-257565Carthage (Haynesville Shale)Sheridan Production Co III, LLC101.54MJul 2010 – Jul 2026

Gas, mcf lease total

Last 12 months 14,990 · prior 12 29,423(-49%)

010K20K30K202420252026

Chain of custody

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

  1. 1Devon Energy Production Co, L.P.Jul 2010 → Jun 2016
  2. 2Sheridan Production Company, LLCJul 2016 → Dec 2019
  3. 3Sheridan Production Co III, LLCJan 2020 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
690113-97DrillDevon Energy Production Co, L.P.May 28, 2010Jan 26, 2010Feb 10, 201018,500
690113-98DrillDevon Energy Production Co, L.P.Feb 8, 2010Jan 26, 2010Feb 10, 201018,500
690113-99DrillDevon Energy Production Co, L.P.Jan 21, 2010Jan 26, 2010—18,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-6-257565————

Formation tops

As filed on W-2/G-1. Subsea from 439 ft elevation.Download CSV →

FormationMD ftSubsea
Pettit8,149-7,710
Travis Peak9,139-8,700
Bossier12,677-12,238

Perforations

Perforated and open-hole intervals.

FromToType
13,75018,408Perforated
14,92918,408Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,946201,690 S
10.758,36514.751,020 S
5.512,0096.75815 S
7.62512,7639.8751,005 S
4.518,5606.75815 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 22, 2011Oct 20, 2010—
00Oct 1, 2010Jul 29, 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). 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/40530318, documented in the API reference.