WELL · 42-003-38468 · DISTRICT 8

Ring University #4

N

Andrews County · Block 2 (Grayburg) field  · Vertical

Ring University #4 (API 42-003-38468) is a well in Andrews County operated by Energen Resources Corporation, completed May 7, 1999.

The RRC has issued one drilling permit, issued February 18, 1999, permitted to 5,000 ft.

Completion filings report 3 formation tops, including Yates, Grayburg, San Andres.

Its 2 leases have reported 1.11M barrels of oil and 18 mcf of gas since January 1993, last reporting in July 2026. The leases carry 38 wells, so these are lease totals, not this well alone.

Operator of record

Energen Resources Corporation

Midland, TX · P-5 Y, filed Dec 10, 2021 · 4,291 permits on file · (432) 699-9332

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleEnergen Resources Corporation
Production reportsLibertad Operating LLCthrough Mar 2026
Latest permitEnergen Resources CorporationFeb 18, 1999

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

5,000
total depth, ft
1
permits on file
Feb 18, 1999
last permit issued
May 7, 1999
completed
1.11M
cumulative oil, bbl
18
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
May 7, 1999
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 38 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
University/Energen Grayburg Unit O-10-37100Block 2 (Grayburg)Libertad Operating LLC33919K0Apr 2003 – Jul 2026
Ring University O-10-13698Block 2 (Grayburg)Energen Resources Corporation5194K18Jan 1993 – Sep 2003

Oil, barrels lease total

Last 12 months 12,065 · prior 12 14,540(-17%)

05001K1.5K202420252026

Chain of custody

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

  1. 1Helmerich & Payne, Inc.Jan 1993 → Sep 1997
  2. 2BC Operating, Inc.Oct 1997 → Feb 1998
  3. 3Taurus Exploration U.S.A., Inc.Mar 1998 → Nov 1998
  4. 4Energen Resources CorporationDec 1998 → Jan 2019
  5. 5Diamondback E&P LLCFeb 2019 → Mar 2023
  6. 6Libertad Operating LLCJan 2023 → Mar 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
482770-99DrillEnergen Resources CorporationFeb 18, 1999Feb 18, 1999Apr 16, 19995,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-13698————
—— O-10-37100————

Formation tops

As filed on W-2/G-1. Subsea from 3,097 ft elevation.Download CSV →

FormationMD ftSubsea
Yates3,07918
Grayburg4,443-1,346
San Andres4,704-1,607

Perforations

Perforated and open-hole intervals.

FromToType
4,7844,798Perforated
4,7984,812Perforated
4,8124,824Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,65012.25700 S
5.54,9407.875700 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
00Aug 11, 2003May 24, 1999Yes
00Aug 4, 2003May 24, 1999Yes
00Jul 16, 2003May 24, 1999Yes
00Jul 21, 1999May 24, 1999Yes
00Jul 2, 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/00338468, documented in the API reference.