TEXAS · WELLS · ANDREWS COUNTY · API 42-003-38271 · DISTRICT 7B

University Block 9 /Penn/ Unit #11AO

Y

Andrews County · University Block 9 (Penn.) field · Producing  · Vertical

University Block 9 /Penn/ Unit #11AO (API 42-003-38271) is a well in Andrews County operated by Xto Energy Inc., completed December 5, 2016 and listed as producing on the RRC schedule.

The RRC has issued 3 drilling permits between 1997 and 2003, permitted to 10,695 ft.

Completion filings report 6 formation tops, including Grayburg, San Andres, Tubb, Wolfcamp.

Its 2 leases have reported 4.4M barrels of oil and 7.87M mcf of gas since January 1993, last reporting volume in April 2026. The leases carry 81 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

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.Aug 22, 2003
10,695
total depth, ft
3
permits on file
Aug 22, 2003
last permit issued
Dec 5, 2016
completed
4.4M
cumulative oil, bbl
7.87M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 5, 2016
Shut in
—
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 2 leases this well is completed on; they carry 81 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 – Apr 2026
State University -AO- O-10-8898University Block 9 (Devonian)XTO Energy Inc.11832K423KJan 1993 – Dec 2008

Oil, barrels lease total

Last 12 months 17,942 · prior 12 17,194(+4%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 51,885 · prior 12 64,411(-19%)

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
535563-99RecompletionXTO Energy Inc.Aug 20, 2003Aug 22, 2003—8,530
496059-99RecompletionCross Timbers Operating CompanyJun 12, 2000Jun 14, 2000Oct 13, 200010,695
466443-99DrillCross Timbers Operating CompanyAug 19, 1997Aug 28, 1997Aug 31, 199710,800

Completions

CompletedLeaseFieldOperatorStatusDepth
Dec 5, 2016University Block 9 /Penn/ Unit O-10-21413University Block 9 (Penn.)XTO Energy Inc.Producing10,695
Nov 15, 1997State 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 3,171 ft elevation.Download CSV →

FormationMD ftSubsea
Grayburg4,278-1,107
San Andres4,682-1,511
Tubb5,732-2,561
Tubb5,737-2,566
Wolfcamp8,426-5,255
PennsylvanianPENN8,773-5,602
Devonian10,389-7,218

Perforations

Perforated and open-hole intervals.

FromToType
8,9029,228Perforated
8,9969,002Perforated
9,0229,028Perforated
9,1209,125Perforated
9,1409,171Perforated
10,39410,591Perforated
10,44310,457Perforated
10,49810,506Perforated
10,52610,534Perforated
10,58210,591Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37532617.5400 S
8.6255,08211850 S
5.510,6957.875800 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Mar 6, 2017Feb 28, 2017—
00Feb 21, 2001Nov 8, 2000—
00Jan 4, 2001——
00Mar 24, 1998Dec 1, 1997Yes
00Mar 9, 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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its search.

Find logs withinmiles of this well:List →Map →

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/00338271, documented in the API reference.