WELL · 42-021-30828 · DISTRICT 1

Martin #4

Y

Bastrop County · Bateman (Austin Chalk) field · Producing  · Vertical

Martin #4 (API 42-021-30828) is a well in Bastrop County operated by Oro Royalties Operating LLC, completed April 30, 1984 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued March 5, 1984, permitted to 2,600 ft.

It was permitted by Austra-Tex Oil Company and has since transferred to Oro Royalties Operating LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Navarro, Taylor, Austin Chalk.

Its lease has reported 7.67K barrels of oil and 91 mcf of gas since January 1993, last reporting in July 2026.

Operator of record

Oro Royalties Operating LLC

Permitted by Austra-Tex Oil Company; the EWA schedule now lists a different operator.

Andrews, TX · P-5 Y, filed Jan 14, 2026 · (432) 894-7825

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleOro Royalties Operating LLC
Production reportsOro Royalties Operating, LLCthrough Apr 2026
Latest permitAustra-Tex Oil CompanyMar 5, 1984

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

2,600
total depth, ft
1
permits on file
Mar 5, 1984
last permit issued
Apr 30, 1984
completed
7.67K
cumulative oil, bbl
91
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 30, 1984
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
Martin O-1-9780Bateman (Austin Chalk)Oro Royalties Operating, LLC17.67K91Jan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 142 · prior 12 107(+33%)

02040202420252026

Chain of custody

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

  1. 1A.C.T. Operating CompanyJan 1993 → Mar 1998
  2. 2Rayalto Oil & Gas, Inc.May 1998 → Feb 2004
  3. 3R & S Energy CompanyMar 2004 → Feb 2006
  4. 4Orbis Operating, LLCMar 2006 → Jan 2007
  5. 5USA Superior Energy LLCFeb 2007 → Nov 2007
  6. 6Reserve Oil Technologies, LLCMay 2009 → Nov 2009
  7. 7Chalker Operating Inc.Jul 2010 → Mar 2013
  8. 8Foyoro Energy, LLCApr 2013 → Apr 2013
  9. 9R & S Oil Production Co.Jun 2014 → Apr 2022
  10. 10Muroz International Group IncAug 2022 → Dec 2025
  11. 11Oro Royalties Operating, LLCFeb 2026 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
231220-99DrillAustra-Tex Oil CompanyFeb 29, 1984Mar 5, 1984—2,600

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-9780————

Formation tops

As filed on W-2/G-1. Subsea from 485 ft elevation.Download CSV →

FormationMD ftSubsea
Navarro875-390
Taylor1,405-920
Austin ChalkAUSTIN2,161-1,676

Perforations

Perforated and open-hole intervals.

FromToType
2,1612,386Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
4.52,4897.875485 sx

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
00Jul 20, 1984Jul 13, 1984—
00Jul 18, 1984Jul 13, 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/02130828, documented in the API reference.