TEXAS · WELLS · SAN AUGUSTINE COUNTY · LEIGH, ELIZABETH GAS UNIT LEASE · API 42-405-30390 · DISTRICT 06

Leigh Elizabeth Gas Unit #1H

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

Leigh Elizabeth Gas Unit #1H (API 42-405-30390) is a horizontal well in San Augustine County operated by Apex Natural Gas LLC, completed March 12, 2011 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended twice), issued October 20, 2010, permitted to 13,578 ft.

It was permitted by Eog Resources, Inc. and has since transferred to Apex Natural Gas LLC on the wellbore schedule.

Completion filings report 5 formation tops, including James Lime, Pettit, Travis Peak, Cotton Valley.

Its lease has reported 3.08M mcf of gas since March 2011, last reporting volume in April 2026.

Operator of record

Apex Natural Gas LLC

Permitted by EOG Resources, Inc.; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Jun 9, 2025
Permits on file
108
Phone
(713) 780-9494

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleApex Natural Gas LLC
Production reportsApex Natural Gas, LLCthrough Apr 2026
Latest permitEOG Resources, Inc.Oct 20, 2010

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

13,578
total depth, ft
3
permits on file
Oct 20, 2010
last permit issued
Mar 12, 2011
completed
0
cumulative oil, bbl
3.08M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2011 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 12, 2011
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
Leigh, Elizabeth Gas Unit G-6-263793Carthage (Haynesville Shale)Apex Natural Gas, LLC103.08MMar 2011 – Apr 2026

Gas, mcf lease total

Last 12 months 363,267 · prior 12 34,535

020K40K60K202420252026

Chain of custody

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

  1. 1EOG Resources, Inc.Mar 2011 → Oct 2016
  2. 2Covey Park Resources LLCNov 2016 → Aug 2019
  3. 3Comstock Oil & Gas, LLCSep 2019 → Nov 2025
  4. 4Apex Natural Gas, LLCDec 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
703901-97DrillEOG Resources, Inc.Jan 12, 2012Oct 20, 2010Oct 31, 201016,500
703901-98DrillCabot Oil & Gas CorporationOct 28, 2010Oct 20, 2010—16,500
703901-99DrillCabot Oil & Gas CorporationOct 18, 2010Oct 20, 2010Oct 31, 201016,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Mar 12, 2011Leigh Elizabeth Gas Unit G-6-263793Carthage (Haynesville Shale)Apex Natural Gas LLCProducing13,578

Formation tops

As filed on W-2/G-1. Subsea from 390 ft elevation.Download CSV →

FormationMD ftSubsea
James Lime7,945-7,555
Pettit8,240-7,850
Travis Peak9,175-8,785
Cotton ValleyCOTTON VALLEY "B"11,635-11,245
Haynesville12,650-12,260

Perforations

Perforated and open-hole intervals.

FromToType
14,28914,469Perforated
14,28918,885Perforated
14,55714,737Perforated
14,89515,005Perforated
15,09315,273Perforated
15,36115,541Perforated
15,62915,809Perforated
15,89716,077Perforated
16,16516,345Perforated
16,43316,613Perforated
16,70116,881Perforated
16,97017,150Perforated
17,23017,417Perforated
17,50517,685Perforated
18,36018,584Perforated
18,66518,885Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
132,83517.52,240 S
7.62512,72012.25415 S
5.519,0256.75730 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. 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
00Oct 20, 2026Sep 17, 2026—
00Jun 12, 2012May 4, 2011Yes

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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/40530390, documented in the API reference.