TEXAS · WELLS · STARR COUNTY · THOMAS-RIFE GAS UNIT LEASE · API 42-427-31259 · DISTRICT 04

Thomas-Rife Gas Unit #9

Plugged

Starr County · Rincon N. (Vicksburg Cons.) field  · Vertical

Thomas-Rife Gas Unit #9 (API 42-427-31259) is a plugged well in Starr County, plugged November 16, 2011, last operated by Oxy USA Inc..

The RRC has issued one drilling permit, issued August 21, 1978, permitted to 9,094 ft.

It was permitted by Shell Oil Company and has since transferred to Oxy USA Inc. on the wellbore schedule.

Completion filings report 2 formation tops, including Vicksburg, Vicksbugr 8200.

Operator of record

OXY USA Inc.

Permitted by Shell Oil Company; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Jan 26, 2026
Permits on file
3,316
Phone
(713) 215-7000

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleOXY USA Inc.
Production reportsShell Western E&Pthrough Apr 2011
Latest permitShell Oil CompanyAug 21, 1978

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

9,094
total depth, ft
1
permits on file
Aug 21, 1978
last permit issued
Jun 16, 1999
completed
0
cumulative oil, bbl
1.91M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 2011

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jun 16, 1999
Shut in
—
Plugged
Nov 16, 2011

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
Thomas-Rife Gas Unit G-4-80199Rincon, N. (Vicksburg Cons.)OXY USA Inc.101.91MJan 1993 – Nov 2011

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. 1Shell Western E&P Inc.Jan 1993 → Feb 2000
  2. 2Shell Western E&PMar 2000 → Apr 2011

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
30915-99DrillShell Oil CompanyAug 21, 1978Aug 21, 1978Sep 3, 19789,094

Completions

CompletedLeaseFieldOperatorStatusDepth
Jun 16, 1999Thomas-Rife Gas Unit G-4-80199Rincon N. (Vicksburg Cons.)OXY USA Inc.Plugged—

Formation tops

As filed on W-2/G-1. Subsea from 447 ft elevation.Download CSV →

FormationMD ftSubsea
VicksburgVICKSBURG 6300W6,325-5,878
VicksburgVICKSBURG 70507,040-6,593
VicksburgVICKSBURG 76007,500-7,053
Vicksbugr 82008,900-8,453

Perforations

Perforated and open-hole intervals.

FromToType
7,2207,240Perforated
7,5117,693Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,21214.75588 S
7.6257,1309.875839 S
2.8757,180——
57,8346.75410 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
00Sep 14, 1999Aug 17, 1999—
00Jan 12, 1984Jan 15, 1979—

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/42731259, documented in the API reference.