Petrora

WELL · 42-003-34319 · DISTRICT 8

Martin Nellie C. #20

N

Andrews County · Martin (Wichita) field  · Vertical

Martin Nellie C. #20 (API 42-003-34319) is a well in Andrews County operated by Oryx Energy Company, completed September 2, 1986.

The RRC has issued 5 drilling permits between 1984 and 1992, permitted to 7,450 ft.

Completion filings report 9 formation tops, including Rustler, Yates, San Andres, Glorieta.

Its 5 leases have reported 1.39M barrels of oil and 11.9M mcf of gas since January 1993, last reporting in July 2026. The leases carry 81 wells, so these are lease totals, not this well alone.

Operator of record

Oryx Energy Company

Dallas, TX · P-5 Y, filed Feb 5, 1999 · 1,627 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleOryx Energy Company
Production reportsUnitex Oil & Gas, L.L.C.through Apr 2026
Latest permitOryx Energy CompanyJul 20, 1992

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

7,450
total depth, ft
5
permits on file
Jul 20, 1992
last permit issued
Sep 2, 1986
completed
1.39M
cumulative oil, bbl
11.9M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Sep 2, 1986
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 5 leases this well is completed on; they carry 81 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-10-18604Goldsmith, N. (San Andres, Con.)Sheridan Production Company, LLC1383.2K276KJan 1993 – Mar 2011
Martin, Nellie C. O-10-23340Martin (Tubb)Sheridan Production Company, LLC19563K6.2MJan 1993 – Mar 2011
Martin, Nellie C. O-10-9314Martin (Clear Fork)Kerr-McGee Oil & Gas Onshore LLC1645.2K1.14MJan 1993 – Apr 2001
— O-10-29248——000—

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
401447-99RecompletionOryx Energy CompanyJul 20, 1992Jul 20, 1992Aug 25, 19927,200
375340-99RecompletionOryx Energy CompanyJul 9, 1990Jul 9, 1990Sep 12, 19907,450
357267-99RecompletionSun Exploration & Production Co.Mar 21, 1989Mar 21, 1989—7,200
269480-99RecompletionSun Expl. & Prod. Co.-MidlandMar 13, 1985Mar 14, 1985—7,200
244379-99DrillSun Expl. & Prod. Co.-MidlandJul 6, 1984Jul 6, 1984Aug 6, 19847,200

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-9314————
—— O-10-18604————
—— O-10-23340————
—— O-10-29248————
—— O-10-36485————

Formation tops

As filed on W-2/G-1. Subsea from 3,315 ft elevation.Download CSV →

FormationMD ftSubsea
RustlerRUSTLER ANHYDRITE1,5101,805
Yates2,772543
San Andres4,184-869
Glorieta5,370-2,055
GlorietaGLORIETTA5,370-2,055
Clear ForkCLEARFORK5,572-2,257
Tubb6,150-2,835
TubbTUBB CARBONATE6,244-2,929
Wichita-AlbanyWICHITA ALBANY6,707-3,392
Witchia Albany6,707-3,392
Witchita Albany6,707-3,392

Perforations

Perforated and open-hole intervals.

FromToType
4,3404,556Perforated
5,5925,842Perforated
5,5925,845Perforated
6,2446,280Perforated
6,2446,454Perforated
6,3506,454Perforated
6,8176,856Perforated
6,8176,942Perforated
6,8177,033Perforated
6,8886,942Perforated
6,9817,033Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,43512.25900 S
5.57,1007.8751,550 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
00Jan 20, 2011Feb 11, 1993—
00Apr 1, 1993Feb 11, 1993—
00Dec 23, 1992Oct 21, 1992Yes
00Nov 9, 1992——
00May 24, 1991Nov 15, 1990—
00Apr 17, 1991Nov 15, 1990—
00Feb 26, 1991——
00May 4, 1989Apr 13, 1989Yes
00Apr 26, 1989——
00Oct 1, 1986Sep 15, 1986—
00Oct 28, 1985Sep 27, 1985—
00Oct 23, 1985Oct 10, 1985—
00Oct 12, 1985——
00Oct 24, 1984Oct 10, 1984—
00Oct 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) 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/00334319, documented in the API reference.