WELL · 42-003-34685 · DISTRICT 8

Martin, Nellie C. #21

N

Andrews County  · Vertical

Martin, Nellie C. #21 (API 42-003-34685) is a permitted well in Andrews County filed by Sheridan Production Company, LLC; no completion report is on file yet.

The RRC has issued 3 drilling permits between 1985 and 2009, permitted to 7,500 ft.

Completion filings report 5 formation tops, including San Andres, Glorieta, Clear Fork, Tubb.

Its 2 leases have reported 1.26M barrels of oil and 10.5M mcf of gas since January 1993, last reporting in July 2026. The leases carry 52 wells, so these are lease totals, not this well alone.

Operator of record

Sheridan Production Company, LLC

Houston, TX · P-5 Y, filed May 12, 2020 · 1,009 permits on file · (877) 231-5058

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsUnitex Oil & Gas, L.L.C.through Apr 2026
Latest permitSheridan Production Company, LLCAug 4, 2009
7,500
total depth, ft
3
permits on file
Aug 4, 2009
last permit issued
—
completed
1.26M
cumulative oil, bbl
10.5M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

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 52 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Martin, Nellie C. O-10-36485Martin (Consolidated)Unitex Oil & Gas, L.L.C.33702K4.31MDec 2000 – Jul 2026
Martin, Nellie C. O-10-23340Martin (Tubb)Sheridan Production Company, LLC19563K6.2MJan 1993 – Mar 2011

Oil, barrels lease total

Last 12 months 26,573 · prior 12 29,475(-10%)

02K4K202420252026

Gas, mcf lease total

Last 12 months 109,613 · prior 12 142,113(-23%)

010K20K202420252026

Chain of custody

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

  1. 1Oryx Energy CompanyJan 1993 → Mar 1999
  2. 2Kerr-McGee CorporationApr 1999 → Sep 1999
  3. 3Kerr-McGee Oil & Gas Onshore LLCOct 1999 → Nov 2002
  4. 4Aethon I LPDec 2002 → Nov 2007
  5. 5Sheridan Production Company, LLCDec 2007 → Jul 2012
  6. 6Lime Rock Resources II-a, L.P.Aug 2012 → Sep 2018
  7. 7Unitex Oil & Gas, L.L.C.Oct 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
682751-99RecompletionSheridan Production Company, LLCJul 2, 2009Aug 4, 2009—7,450
326004-99RecompletionSun Expl. & Prod. Co.-MidlandJan 30, 1987Jan 30, 1987—7,450
264696-99DrillSun Expl. & Prod. Co.-MidlandJan 21, 1985Jan 21, 1985Feb 26, 19857,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-23340————
—— O-10-36485————

Formation tops

As filed on W-2/G-1. Subsea from 3,318 ft elevation.Download CSV →

FormationMD ftSubsea
San Andres4,203-885
Glorieta5,397-2,079
GlorietaGLORIETTA5,397-2,079
Clear Fork5,632-2,314
Clear ForkCLEARFORK5,632-2,314
Tubb6,156-2,838
TubbTUBB CARBONATE6,248-2,930
Wichita-AlbanyWICHITA ALBANY6,721-3,403
San Andres7,203-3,885

Perforations

Perforated and open-hole intervals.

FromToType
4,4865,578Perforated
5,6506,045Perforated
6,2546,322Perforated
6,2546,542Perforated
6,3506,428Perforated
6,7146,757Perforated
6,7667,403Perforated
6,8007,114Perforated
7,1847,364Perforated
7,3957,403Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,42512.25900 S
5.57,4507.8752,100 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
00Oct 7, 2019Jul 16, 2019—
00Aug 1, 2012Sep 13, 2011—
00Jan 20, 2011Feb 27, 1987Yes
00Mar 9, 1987Feb 27, 1987Yes
00Aug 12, 1986Jul 31, 1986—
00Jul 25, 1985Jul 12, 1985—
00Jun 4, 1985May 1, 1985—
00May 31, 1985Apr 16, 1985—
00May 25, 1985——

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) and the University Lands library. 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/00334685, documented in the API reference.