TEXAS · WELLS · ANDREWS COUNTY · BITLER-LOWE CLEARFORK UNIT LEASE · API 42-003-36863 · DISTRICT 7B

Bitler-Lowe Clearfork Unit #12C

Y

Andrews County · Fullerton field · Producing  · Vertical

Bitler-Lowe Clearfork Unit #12C (API 42-003-36863) is a well in Andrews County operated by Highmark Energy Operating LLC, completed January 11, 1991 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued December 13, 1990, permitted to 7,160 ft.

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

Completion filings report 6 formation tops, including Rustler, Yates, San Andres, Tubb.

Its lease has reported 2.57M barrels of oil and 1.15M mcf of gas since January 1993, last reporting volume in April 2026. The lease carries 50 wells, so these are lease totals, not this well alone.

Operator of record

Highmark Energy Operating LLC

Permitted by Maralo, 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 permitMaralo, Inc.Dec 13, 1990

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

7,160
total depth, ft
1
permits on file
Dec 13, 1990
last permit issued
Jan 11, 1991
completed
2.57M
cumulative oil, bbl
1.15M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 11, 1991
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; they carry 50 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Bitler-Lowe Clearfork Unit O-10-29029FullertonHighmark Energy Operating, LLC502.57M1.15MJan 1993 – Apr 2026

Oil, barrels lease total

Last 12 months 24,937 · prior 12 27,015(-8%)

02K4K202420252026

Gas, mcf lease total

Last 12 months 9 · prior 12 1,618(-99%)

05001K202420252026

Chain of custody

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

  1. 1Maralo, Inc.Jan 1993 → Dec 1998
  2. 2Maralo, LLCJan 1999 → Nov 2004
  3. 3COG Operating LLCDec 2004 → Dec 2012
  4. 4Legacy Reserves Operating LPJan 2013 → Feb 2023
  5. 5Highmark Energy Operating, LLCMar 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
382045-99DrillMaralo, Inc.Dec 7, 1990Dec 13, 1990Dec 19, 19907,200

Completions

CompletedLeaseFieldOperatorStatusDepth
Jan 11, 1991Bitler-Lowe Clearfork Unit O-10-29029FullertonHighmark Energy Operating LLCProducing7,160

Formation tops

As filed on W-2/G-1. Subsea from 3,298 ft elevation.Download CSV →

FormationMD ftSubsea
Rustler1,8681,430
Yates2,970328
San Andres4,495-1,197
Tubb6,626-3,328
Map6,709-3,411
Clear ForkLOWER CLEARFORK6,748-3,450

Perforations

Perforated and open-hole intervals.

FromToType
6,8547,101Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,87412.251,150 S
5.57,1607.875500 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
00Apr 16, 1991Mar 20, 1991Yes
00Mar 26, 1991——

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. The University Lands library has no per-well link: then paste it into its search.

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/00336863, documented in the API reference.