Petrora

WELL · 42-427-05092 · DISTRICT 4

McLean, Marrs #20

N

Starr County  · Vertical

Mclean, Marrs #20 (API 42-427-05092) is a permitted well in Starr County filed by Opex Energy, LLC; no completion report is on file yet.

The RRC has issued one drilling permit, issued May 10, 2005, permitted to 4,653 ft.

Its 2 leases have reported 14.8K barrels of oil and 126K mcf of gas since January 1993, last reporting in November 2018. The leases carry 2 wells, so these are lease totals, not this well alone.

Operator of record

Opex Energy, LLC

Houston, TX · P-5 Y, filed Feb 8, 2008 · 19 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsContinental Operating Co.through Jun 2016
Latest permitOpex Energy, LLCMay 10, 2005
4,653
total depth, ft
1
permits on file
May 10, 2005
last permit issued
—
completed
14.8K
cumulative oil, bbl
126K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 2018

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
McLean, Marrs G-4-219773Lockhart (Yegua F Seg 2)Continental Operating Co.1048.4KMay 2006 – Nov 2018
McLean, Marrs O-4-7849Lockhart (Yegua F Seg 2)Opex Energy, LLC114.8K77.9KJan 1993 – Oct 2006

No volumes reported on these leases in the last three years.

Chain of custody

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

  1. 1South Texas Limited PartnershipJan 1993 → Feb 1994
  2. 2Washington Energy Expl., Inc.Mar 1994 → Jul 1994
  3. 3Cabot Oil & Gas Production Corp.Aug 1994 → Feb 1996
  4. 4Cabot Oil & Gas CorporationMar 1996 → Jan 1997
  5. 5Ceniza Petroleum, Inc.Feb 1997 → Jun 2002
  6. 6FredcoJul 2002 → Feb 2003
  7. 7White Oak Operating Company LLCMar 2003 → Jun 2004
  8. 8Opex Energy, LLCJul 2004 → Mar 2007
  9. 9Exploration Company, TheApr 2007 → Jun 2007
  10. 10Txco Resources Inc.Jul 2007 → Jul 2008
  11. 11Continental Operating Co.Aug 2008 → Jun 2016

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
600328-99RecompletionOpex Energy, LLCMay 6, 2005May 10, 2005—4,653

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-219773————
—— O-4-7849————

Perforations

Perforated and open-hole intervals.

FromToType
4,3584,360Perforated
—4,060Perforated
—4,360Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62521412.5100 S
5.54,5577.875160 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 12, 2007Jun 9, 2006—
00Oct 4, 2006——
00Jan 12, 1984Aug 11, 1971—
00Jan 12, 1984——

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/42705092, documented in the API reference.