WELL · 42-295-33202 · DISTRICT 10

Cooper 357 #1H

Shut in

Lipscomb County · Lipscomb (Cleveland) field · Shut IN  · Horizontal

Cooper 357 #1H (API 42-295-33202) is a horizontal well in Lipscomb County operated by Highmark Energy Operating LLC, completed February 28, 2008 and listed as shut in on the RRC schedule, shut in September 1, 2026.

The RRC has issued one drilling permit, issued July 13, 2007, permitted to 8,377 ft.

It was permitted by Eog Resources, Inc. and has since transferred to Highmark Energy Operating LLC on the wellbore schedule.

Completion filings report 2 formation tops, including Checkerboard, Cleveland.

Its lease has reported 177K barrels of oil and 1.43M mcf of gas since February 2008, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.

Operator of record

Highmark Energy Operating 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
Mar 9, 2026
Permits on file
23
Phone
(469) 214-5299

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHighmark Energy Operating LLC
Production reportsHighmark Energy Operating, LLCthrough Apr 2026
Latest permitEOG Resources, Inc.Jul 13, 2007

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

8,377
total depth, ft
1
permits on file
Jul 13, 2007
last permit issued
Feb 28, 2008
completed
177K
cumulative oil, bbl
1.43M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2008 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 28, 2008
Shut in
Sep 1, 2026
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; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Cooper 357 O-14-7840Lipscomb (Cleveland)Highmark Energy Operating, LLC2177K1.43MFeb 2008 – Jul 2026

Gas, mcf lease total

Last 12 months 20,732 · prior 12 8,094(+156%)

02K4K202420252026

Oil, barrels lease total

Last 12 months 1,003 · prior 12 382(+163%)

0100200300202420252026

Chain of custody

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

  1. 1EOG Resources, Inc.Feb 2008 → Jan 2022
  2. 2Highmark Energy Operating, LLCFeb 2022 → Mar 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
641743-99DrillEOG Resources, Inc.Jul 2, 2007Jul 13, 2007Aug 17, 20079,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Feb 28, 2008Cooper 357 O-14-7840Lipscomb (Cleveland)Highmark Energy Operating LLCShut IN · shut in Sep 1, 20268,377

Formation tops

As filed on W-2/G-1. Subsea from 2,523 ft elevation.Download CSV →

FormationMD ftSubsea
Checkerboard8,173-5,650
Cleveland8,317-5,794

Perforations

Perforated and open-hole intervals.

FromToType
9,0209,177Perforated
9,3939,550Perforated
9,7009,995Perforated
10,25010,535Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,82212.25760 S
4.510,5938.75765 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
00May 14, 2008Mar 7, 2008Yes
00Apr 30, 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/29533202, documented in the API reference.