WELL · 42-003-46904 · DISTRICT 8

University 31 #1H

Y

Andrews County · Emma (Devonian) field · Producing  · Horizontal

University 31 #1H (API 42-003-46904) is a horizontal well in Andrews County operated by Ring Energy Inc., completed May 22, 2015 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued October 28, 2014, permitted to 10,600 ft.

It was permitted by Greystone Oil & Gas, LLP and has since transferred to Ring Energy Inc. on the wellbore schedule.

Completion filings report 10 formation tops, including Yates, Seven Rivers, Queen, Grayburg.

Its lease has reported 832K barrels of oil and 2.05M mcf of gas since May 2015, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.

Operator of record

Ring Energy Inc.

Permitted by Greystone Oil & Gas, LLP; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Nov 4, 2025 · 997 permits on file · (855) 214-5188

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleRing Energy Inc.
Production reportsRing Energy, Inc.through Apr 2026
Latest permitGreystone Oil & Gas, LLPOct 28, 2014

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

10,600
total depth, ft
2
permits on file
Oct 28, 2014
last permit issued
May 22, 2015
completed
832K
cumulative oil, bbl
2.05M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2015 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 22, 2015
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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; they carry 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
University 31 O-10-46863Emma (Devonian)Ring Energy, Inc.3832K2.05MMay 2015 – Jul 2026

Oil, barrels lease total

Last 12 months 19,970 · prior 12 24,652(-19%)

05K10K202420252026

Gas, mcf lease total

Last 12 months 69,009 · prior 12 72,566(-5%)

010K20K202420252026

Chain of custody

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

  1. 1Greystone Oil & Gas, LLPMay 2015 → Dec 2015
  2. 2Greystone Petroleum, LLCJan 2016 → Nov 2018
  3. 3Lime Rock Resources IV-a, L.P.Dec 2018 → Mar 2025
  4. 4Ring Energy, Inc.Apr 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
798968-98DrillGreystone Oil & Gas, LLPJul 27, 2015Oct 28, 2014Nov 29, 201410,600
798968-99DrillGreystone Oil & Gas, LLPOct 23, 2014Oct 28, 2014Nov 29, 201410,600

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-46863————

Formation tops

As filed on W-2/G-1. Subsea from 3,156 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,850306
Seven Rivers3,13125
Queen3,797-641
Grayburg4,094-938
San AndresSAN ANDRES - CO2 FLOOD, HIGH FLO4,337-1,181
Glorieta5,359-2,203
Clear ForkCLEARFORK5,564-2,408
Tubb6,735-3,579
Permian (undifferentiated)PERMIAN DETRITAL8,674-5,518
Holt——

Perforations

Perforated and open-hole intervals.

FromToType
11,21115,442Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,65617.51,640 S
9.6255,79512.251,014 S
710,9608.751,858 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
00Oct 8, 2015Sep 14, 2015Yes

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/00346904, documented in the API reference.