WELL · 42-203-33957 · DISTRICT 6

Rosborough Dr. J.F. Gas Unit #4

Y

Harrison County · Blocker (Cotton Valley) field · Producing  · Vertical

Rosborough DR. J.F. Gas Unit #4 (API 42-203-33957) is a well in Harrison County operated by Brookston Energy Inc., completed October 17, 2007 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued May 16, 2007, permitted to 10,250 ft.

It was permitted by Brammer Engineering, Inc. and has since transferred to Brookston Energy Inc. on the wellbore schedule.

Completion filings report 4 formation tops, including Pettit, Travis Peak, Cotton Valley, Taylor.

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

Operator of record

Brookston Energy Inc.

Permitted by Brammer Engineering, Inc.; the EWA schedule now lists a different operator.

Tyler, TX · P-5 Y, filed Jun 4, 2026 · 46 permits on file · (903) 312-8885

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleBrookston Energy Inc.
Production reportsBrookston Energy, Inc.through Apr 2026
Latest permitBrammer Engineering, Inc.May 16, 2007

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

10,250
total depth, ft
1
permits on file
May 16, 2007
last permit issued
Oct 17, 2007
completed
0
cumulative oil, bbl
805K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2007 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 17, 2007
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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
Rosborough, Dr. J.F. Gas Unit G-6-232841Blocker (Cotton Valley)Brookston Energy, Inc.10805KOct 2007 – Jul 2026

Gas, mcf lease total

Last 12 months 7,068 · prior 12 15,406(-54%)

01K2K3K202420252026

Chain of custody

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

  1. 1Brammer Engineering, Inc.Oct 2007 → Dec 2008
  2. 2Comstock Oil & Gas, LPJan 2009 → Aug 2019
  3. 3Comstock Oil & Gas, LLCSep 2019 → Aug 2025
  4. 4Brookston Energy, Inc.Oct 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
638635-99DrillBrammer Engineering, Inc.May 8, 2007May 16, 2007Jul 19, 200710,250

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-6-232841————

Formation tops

As filed on W-2/G-1. Subsea from 269 ft elevation.Download CSV →

FormationMD ftSubsea
Pettit6,380-6,111
Travis PeakTOP OF TRAVIS PEAK6,830-6,561
Cotton ValleyUPPER COTTON VALLEY8,710-8,441
TaylorTAYLOR SANDS9,850-9,581

Perforations

Perforated and open-hole intervals.

FromToType
8,6749,025Perforated
9,79210,058Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62567511295 S
5.510,2687.875960 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 29, 2008Dec 21, 2007Yes
00Feb 6, 2008——

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/20333957, documented in the API reference.