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TEXAS · WELLS · ANDREWS COUNTY · API 42-003-38320 · DISTRICT 7B

University Block 9 #12AO

Shut in

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

University Block 9 #12AO (API 42-003-38320) is a horizontal well in Andrews County operated by Xto Energy Inc., completed August 1, 2012 and listed as shut in on the RRC schedule, shut in May 1, 2020.

The RRC has issued 4 drilling permits (amended once) between 1997 and 2012, permitted to 10,700 ft.

Completion filings report 5 formation tops, including Wolfcamp, Pennsylvanian, Mississippian, Woodford.

Its 3 leases have reported 13.6M barrels of oil and 21.7M mcf of gas since January 1993, last reporting in July 2026. The leases carry 160 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.Apr 5, 2012
10,700
total depth, ft
5
permits on file
Apr 5, 2012
last permit issued
Aug 1, 2012
completed
13.6M
cumulative oil, bbl
21.7M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 1, 2012
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 3 leases this well is completed on; they carry 160 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
State University -AO- O-10-8898University Block 9 (Devonian)XTO Energy Inc.11832K423KJan 1993 – Apr 2009

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. 1Cross Timbers Operating CompanyJan 1993 → May 2001
  2. 2Exxon Corp.Jan 1993 → Jan 1997
  3. 3XTO Energy Inc.Jun 2001 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
736599-99RecompletionXTO Energy Inc.Mar 22, 2012Apr 5, 2012May 12, 201210,800
622715-98RecompletionXTO Energy Inc.Jul 31, 2007Jul 18, 2006Jul 18, 200610,500
622715-99RecompletionXTO Energy Inc.Jul 17, 2006Jul 18, 2006—10,500
480052-99RecompletionCross Timbers Operating CompanyOct 9, 1998Oct 15, 1998Nov 12, 199810,700
469556-99DrillCross Timbers Operating CompanyNov 3, 1997Nov 3, 1997Nov 20, 199710,800

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 1, 2012University Block 9 O-10-39152University Block 9 (Devonian)XTO Energy Inc.Shut In · shut in May 1, 202010,700
Aug 1, 2012University Block 9 O-10-39152University Block 9 (Devonian)XTO Energy Inc.Shut In · shut in May 1, 202010,700
Nov 10, 2006State University -AO- O-10-8898University Block 9 (Devonian)XTO Energy Inc.Not on Schedule—
Dec 1, 1998University Block 9 /Penn/ Unit O-10-21413University Block 9 (Penn.)XTO Energy Inc.Not on Schedule—
Jan 30, 1998State University -AO- O-10-8898University Block 9 (Devonian)XTO Energy Inc.Not on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 3,170 ft elevation.Download CSV →

FormationMD ftSubsea
Wolfcamp8,390-5,220
PennsylvanianPENN8,730-5,560
MississippianMISS9,867-6,697
MississippianMISSISSIPPIAN (NON-PRODUCTIVE ZO9,868-6,698
WoodfordWOODFORD (NON-PRODUCTIVE ZONE)10,221-7,051
Devonian10,286-7,116
Devonian10,295-7,125

Perforations

Perforated and open-hole intervals.

FromToType
8,9869,020Perforated
9,0889,134Perforated
10,01211,016Perforated
10,01211,016Open hole
10,32410,553Perforated
10,33810,360Perforated
10,37010,374Perforated
10,38210,394Perforated
10,39012,549Open hole
10,46610,474Perforated
10,54010,553Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37530617.5400 S
8.6255,068111,150 S
5.510,6847.875950 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 9, 2013Sep 17, 2012Yes
00Mar 10, 2009Jan 25, 2008Yes
00Mar 20, 2008Jan 25, 2008Yes
00Mar 7, 2008Jan 25, 1999—
00Dec 13, 2000Jan 25, 1999—
00Nov 2, 2000——
00Mar 12, 1998Feb 17, 1998Yes
00Mar 3, 1998——

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/00338320, documented in the API reference.