WELL · 42-105-31579 · DISTRICT 7

Union Pacific #20

Plugged

Crockett County · Ozona (Canyon Sand) field  · Vertical

Union Pacific #20 (API 42-105-31579) is a plugged well in Crockett County, plugged February 19, 2004, last operated by Anadarko E&P Company LP.

The RRC has issued one drilling permit, issued July 11, 1977, permitted to 10,400 ft.

It was permitted by Suburban Propane Gas Corp. and has since transferred to Anadarko E&P Company LP on the wellbore schedule.

Operator of record

Anadarko E&P Company LP

Permitted by Suburban Propane Gas Corp.; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Jul 4, 2025 · 2,635 permits on file · (832) 636-1111

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleAnadarko E&P Company LP
Production reportsAnadarko E&P Company LPthrough Jan 2004
Latest permitSuburban Propane Gas Corp.Jul 11, 1977

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

10,400
total depth, ft
1
permits on file
Jul 11, 1977
last permit issued
Feb 4, 1978
completed
0
cumulative oil, bbl
4.67K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2004

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Feb 4, 1978
Shut in
—
Plugged
Feb 19, 2004

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
Union Pacific G-9-76974Ozona (Canyon Sand)Anadarko E&P Company LP104.67KJan 1993 – Feb 2004

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. 1Amax Oil & Gas Inc.Jan 1993 → Mar 1994
  2. 2Union Pacific Resources CompanyApr 1994 → Jan 2001
  3. 3Rme Petroleum CompanyMar 2001 → Nov 2002
  4. 4Anadarko E&P Company LPDec 2002 → Jan 2004

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
2700-99DrillSuburban Propane Gas Corp.Jul 11, 1977Jul 11, 1977—10,400

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-9-76974————

Perforations

Perforated and open-hole intervals.

FromToType
6,4467,069Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,27111450 S
2.3756,758——
4.510,3967.8751,600 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 12, 1984Jun 14, 1978—

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/10531579, documented in the API reference.