WELL · 42-003-38355 · DISTRICT 8

University G #312

Plugged

Andrews County · Embar (Yates) field  · Horizontal

University G #312 (API 42-003-38355) is a plugged horizontal well in Andrews County, plugged July 14, 2023, last operated by Contango Resources LLC.

The RRC has issued 2 drilling permits between 1998 and 1999, permitted to 3,300 ft.

It was permitted by Eastland Oil Company, The and has since transferred to Contango Resources LLC on the wellbore schedule.

Completion filings report one formation top, including Yates.

Operator of record

Contango Resources LLC

Permitted by Eastland Oil Company, The; the EWA schedule now lists a different operator.

Andrews, TX · P-5 Y, filed Nov 4, 2025 · 13 permits on file · (844) 336-4716

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleContango Resources LLC
Production reportsSheridan Production Company, LLCthrough Sep 2014
Latest permitEastland Oil Company, TheApr 23, 1999

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

3,300
total depth, ft
2
permits on file
Apr 23, 1999
last permit issued
Jan 30, 1998
completed
0
cumulative oil, bbl
24.1K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1998 THROUGH Jul 2023

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jan 30, 1998
Shut in
—
Plugged
Jul 14, 2023

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
University "G" G-10-172554Embar (Yates)Contango Resources, LLC1024.1KJan 1998 – Jul 2023

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. 1Eastland Oil Company, TheFeb 1999 → Dec 2000
  2. 2Segco Oil & Gas IncJan 2001 → Jun 2004
  3. 3Sloan Petroleum Inc.Dec 2005 → Aug 2009
  4. 4OK Arena Operating CompanySep 2009 → Jul 2010
  5. 5Sandridge Expl. and Prod., LLCAug 2010 → Dec 2012
  6. 6Sheridan Production Company, LLCMar 2014 → Sep 2014

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
483928-99RecompletionEastland Oil Company, TheApr 16, 1999Apr 23, 1999Jan 20, 19982,810
471905-99DrillBlue Dolphin Exploration CompanyJan 7, 1998Jan 9, 1998Jan 19, 19983,300

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-172554————

Formation tops

As filed on W-2/G-1. Subsea from 3,237 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,558679
YatesYATES SAND2,558679

Perforations

Perforated and open-hole intervals.

FromToType
2,5712,616Perforated
2,8473,832Perforated
2,8474,397Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62536512.25165 S
72,8478.75545 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
00May 18, 1999Jan 8, 1999Yes
00May 14, 1999Feb 23, 1999—
00Apr 29, 1999——

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/00338355, documented in the API reference.