Petrora

WELL · 42-003-00289 · DISTRICT 8

University Block 9 #4AB

Shut in

Andrews County · University Block 9 (Devonian) field · Shut IN  · Horizontal

University Block 9 #4AB (API 42-003-00289) is a horizontal well in Andrews County operated by Xto Energy Inc., completed November 18, 2009 and listed as shut in on the RRC schedule, shut in May 1, 2020.

The RRC has issued 3 drilling permits (amended once) between 1998 and 2009, permitted to 10,521 ft.

Completion filings report 6 formation tops, including Wolfcamp, Pennsylvanian, Bend, Mississippian.

Its 4 leases have reported 12.9M barrels of oil and 21.4M mcf of gas since January 1993, last reporting in July 2026. The leases carry 151 wells, so these are lease totals, not this well alone.

Operator of record

XTO Energy Inc.

Based in
Spring, TX
P-5 status
Active – Extension (X)
P-5 last filed
Apr 8, 2026
Permits on file
16,156
Phone
(346) 502-1572
Watch this operatorWatch Andrews County

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleXTO Energy Inc.
Production reportsXTO Energy Inc.through Apr 2026
Latest permitXTO Energy Inc.May 22, 2009
10,521
total depth, ft
4
permits on file
May 22, 2009
last permit issued
Nov 18, 2009
completed
12.9M
cumulative oil, bbl
21.4M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 18, 2009
Shut in
May 1, 2020
Plugged
—

Operator's P-5 on the schedule: Active (A)

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 4 leases this well is completed on; they carry 151 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
University Block 9 /Penn/ Unit O-10-21413University Block 9 (Penn.)XTO Energy Inc.703.56M7.45MJan 1993 – Jul 2026
University Block 9 O-10-39152University Block 9 (Devonian)XTO Energy Inc.799.2M13.9MJan 2009 – Jul 2026
University 9 "AB" O-10-37803University Block 9 (Devonian)XTO Energy Inc.159.9K30.2KMar 2006 – Apr 2009
University "9"AB O-10-7041University Block 9 (Devonian)Cross Timbers Operating Company133.7K15KJan 1993 – Mar 1999

Oil, barrels lease total

Last 12 months 19,947 · prior 12 17,798(+12%)

05K10K202420252026

Gas, mcf lease total

Last 12 months 62,136 · prior 12 65,065(-5%)

05K10K15K202420252026

Chain of custody

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

  1. 1Anadarko Petroleum CorporationJan 1993 → Nov 1995
  2. 2Cross Timbers Operating CompanyJan 1993 → May 2001
  3. 3XTO Energy Inc.Jun 2001 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
681198-98RecompletionXTO Energy Inc.Oct 8, 2009May 22, 2009Aug 31, 200910,700
681198-99RecompletionXTO Energy Inc.May 12, 2009May 22, 2009—10,700
613592-99RecompletionXTO Energy Inc.Feb 3, 2006Feb 3, 2006Mar 2, 200610,600
477727-99RecompletionCross Timbers Operating CompanyJul 6, 1998Jul 10, 1998Oct 24, 199810,521

Completions

CompletedLeaseFieldOperatorStatusDepth
Nov 18, 2009University Block 9 O-10-39152University Block 9 (Devonian)XTO Energy Inc.Shut IN · shut in May 1, 202010,521
Nov 18, 2009University Block 9 O-10-39152University Block 9 (Devonian)XTO Energy Inc.Shut IN · shut in May 1, 202010,521
Mar 29, 2006University 9 AB O-10-37803University Block 9 (Devonian)XTO Energy Inc.Not on Schedule—
Jul 27, 2000University Block 9 /Penn/ Unit O-10-21413University Block 9 (Penn.)XTO Energy Inc.Not on Schedule—
—University 9 AB O-10-7041University Block 9 (Devonian)Cross Timbers Operating CompanyNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 3,154 ft elevation.Download CSV →

FormationMD ftSubsea
Wolfcamp8,420-5,266
Pennsylvanian8,790-5,636
Bend9,610-6,456
MississippianMISSISSIPPIAN NON-PROD10,012-6,858
Mississippian10,025-6,871
WoodfordWOODFORD NON-PRODUCTIVE10,380-7,226
Woodford10,400-7,246
Devonian10,446-7,292
Devonian10,461-7,307

Perforations

Perforated and open-hole intervals.

FromToType
8,9639,038Perforated
8,9639,224Perforated
9,2029,224Perforated
10,24112,848Perforated
10,44611,597Perforated
10,46210,510Perforated
—10,450Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37536117.5325 S
13.37538317.5325 S
9.62538312.252,800 S
9.6254,47112.252,800 S
9.6254,49412.252,800 S
710,5038.75350 S
710,503—350 S
710,5218.75350 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
00Jul 6, 2010Jan 8, 2010Yes
00Mar 10, 2009May 17, 2006Yes
00Dec 27, 2006May 17, 2006Yes
00Aug 15, 2006——
00Nov 21, 2000Sep 15, 2000—
00Apr 26, 1999Jan 21, 1999Yes
00Apr 1, 1999——
00Jan 12, 1984——

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/00300289, documented in the API reference.