WELL · 42-347-33135 · DISTRICT 6

Hassell Gas Unit #5H

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Nacogdoches County · Carthage (Haynesville Shale) field · Producing  · Horizontal

Hassell Gas Unit #5H (API 42-347-33135) is a horizontal well in Nacogdoches County operated by Apex Natural Gas LLC, completed August 12, 2010 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued January 19, 2010, permitted to 13,402 ft.

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

Completion filings report 9 formation tops, including Saratoga, Duck Creek, Glen Rose, B.Mass. Anhy.

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

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
107
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.Jan 19, 2010

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

13,402
total depth, ft
2
permits on file
Jan 19, 2010
last permit issued
Aug 12, 2010
completed
0
cumulative oil, bbl
2.13M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 2010 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 12, 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
Hassell Gas Unit G-6-258778Carthage (Haynesville Shale)Apex Natural Gas, LLC102.13MAug 2010 – Jul 2026

Gas, mcf lease total

Last 12 months 23,705 · prior 12 35,648(-34%)

02K4K6K202420252026

Chain of custody

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

  1. 1EOG Resources, Inc.Aug 2010 → Jan 2016
  2. 2Covey Park Resources LLCDec 2016 → Aug 2019
  3. 3Comstock Oil & Gas, LLCSep 2019 → Nov 2025
  4. 4Apex Natural Gas, LLCDec 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
689835-98DrillEOG Resources, Inc.Jan 20, 2011Jan 19, 2010Feb 6, 201013,400
689835-99DrillEOG Resources, Inc.Jan 15, 2010Jan 19, 2010Feb 6, 201013,400

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 12, 2010Hassell Gas Unit G-6-258778Carthage (Haynesville Shale)Apex Natural Gas LLCProducing13,402

Formation tops

As filed on W-2/G-1. Subsea from 284 ft elevation.Download CSV →

FormationMD ftSubsea
Saratoga3,503-3,219
Duck Creek4,902-4,618
Glen Rose5,661-5,377
B.mass. Anhy7,188-6,904
James Lime7,723-7,439
Pettit8,018-7,734
Travis Peak8,689-8,405
CV "B" Lime11,313-11,029
Haynesville12,862-12,578

Perforations

Perforated and open-hole intervals.

FromToType
13,80014,030Perforated
14,09014,320Perforated
14,38414,610Perforated
14,76014,900Perforated
14,96015,190Perforated
15,24815,480Perforated
15,54015,764Perforated
15,83016,060Perforated
16,12016,350Perforated
16,41016,640Perforated
16,70016,930Perforated
16,99017,220Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.752,50013.51,065 S
7.62512,3949.8751,690 S
5.517,3366.75600 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 2, 2011Sep 20, 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/34733135, documented in the API reference.