WELL · 42-203-34838 · DISTRICT 6

Holcombe Unit #4

Y

Harrison County · Carthage North (Cotton Valley) field · Producing  · Vertical

Holcombe Unit #4 (API 42-203-34838) is a well in Harrison County operated by Eqv Operating LLC, completed October 31, 2009 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued June 2, 2009, permitted to 10,070 ft.

It was permitted by Classic Operating CO. LLC and has since transferred to Eqv Operating LLC on the wellbore schedule.

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

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

Operator of record

Eqv Operating LLC

Permitted by Classic Operating Co. LLC; the EWA schedule now lists a different operator.

Based in
Oklahoma City, OK
P-5 status
Active (A)
P-5 last filed
Sep 24, 2025
Phone
(405) 648-4409

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleEqv Operating LLC
Production reportsEqv Operating LLCthrough Apr 2026
Latest permitClassic Operating Co. LLCJun 2, 2009

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

10,070
total depth, ft
1
permits on file
Jun 2, 2009
last permit issued
Oct 31, 2009
completed
0
cumulative oil, bbl
1.24M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2009 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 31, 2009
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active – Extension (X)

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
Holcombe Unit G-6-253785Carthage, North (Cotton Valley)Eqv Operating LLC101.24MOct 2009 – Jul 2026

Gas, mcf lease total

Last 12 months 42,102 · prior 12 50,551(-17%)

02K4K6K202420252026

Chain of custody

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

  1. 1Classic Operating Co. LLCOct 2009 → Apr 2012
  2. 2Memorial Production Oper. LLCMay 2012 → May 2017
  3. 3Amplify Energy Operating LLCJun 2017 → Dec 2025
  4. 4Eqv Operating LLCJan 2026 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
681090-99DrillClassic Operating Co. LLCMay 7, 2009Jun 2, 2009Aug 14, 200910,100

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 31, 2009Holcombe Unit G-6-253785Carthage North (Cotton Valley)Eqv Operating LLCProducing10,070

Formation tops

As filed on W-2/G-1. Subsea from 285 ft elevation.Download CSV →

FormationMD ftSubsea
Paluxy3,194-2,909
Pettit6,024-5,739
Travis Peak6,347-6,062
Cotton Valley8,632-8,347
BossierBOSSIER SHALE10,020-9,735

Perforations

Perforated and open-hole intervals.

FromToType
8,6568,850Perforated
8,9489,300Perforated
9,4029,500Perforated
9,81010,003Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37551817.5550 S
5.510,07010.6251,400 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 18, 2010Nov 30, 2009Yes
00Jan 4, 2010——

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/20334838, documented in the API reference.