Petrora

WELL · 42-003-38005 · DISTRICT 8

University Block 9 /Penn/ Unit #5B

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Andrews County · University Block 9 (Penn.) field  · Horizontal

University Block 9 /Penn/ Unit #5B (API 42-003-38005) is a horizontal well in Andrews County operated by Xto Energy Inc., completed December 31, 2002.

The RRC has issued 4 drilling permits (amended twice) between 1996 and 2010, permitted to 11,400 ft.

Completion filings report 7 formation tops, including Grayburg, San Andres, Wolfcamp, Pennsylvanian.

Its 3 leases have reported 13.7M barrels of oil and 21.9M mcf of gas since January 1993, last reporting in July 2026. The leases carry 159 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.May 18, 2010
11,400
total depth, ft
6
permits on file
May 18, 2010
last permit issued
Dec 31, 2002
completed
13.7M
cumulative oil, bbl
21.9M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Dec 31, 2002
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 3 leases this well is completed on; they carry 159 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" -B- O-10-8560University Block 9 (Devonian)XTO Energy Inc.10971K608KJan 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. 2XTO Energy Inc.Jun 2001 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
696068-97RecompletionXTO Energy Inc.Jan 5, 2011May 18, 2010Jun 27, 201010,700
696068-98RecompletionXTO Energy Inc.Jul 9, 2010May 18, 2010—10,700
696068-99RecompletionXTO Energy Inc.May 17, 2010May 18, 2010—10,700
607435-99RecompletionXTO Energy Inc.Oct 5, 2005Oct 13, 2005Oct 14, 200511,400
524718-99RecompletionXTO Energy Inc.Oct 17, 2002Oct 22, 2002Dec 10, 200210,700
453439-99DrillCross Timbers Operating CompanyOct 4, 1996Oct 7, 1996Oct 23, 199610,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-8560————
—— O-10-8560————
—— O-10-21413————
—— O-10-39152————

Formation tops

As filed on W-2/G-1. Subsea from 3,164 ft elevation.Download CSV →

FormationMD ftSubsea
Grayburg4,294-1,130
San AndresSAN ANDRES4,677-1,513
San Andres4,677-1,513
Wolfcamp8,399-5,235
PennsylvanianPENN8,738-5,574
MississippianMISSISSIPPIAN (NON-PRODUCTIVE)9,882-6,718
WoodfordWOODFORD (NON- PRODUCTIVE)10,221-7,057
DevonianDEVONIAN (PRODUCTIVE)10,305-7,141
Devonian10,312-7,148

Perforations

Perforated and open-hole intervals.

FromToType
8,7609,130Perforated
10,29611,254Open hole
10,33410,382Perforated
10,33410,584Perforated
10,33410,662Perforated
10,41212,553Open hole
10,46910,475Perforated
10,47910,483Perforated
10,49010,500Perforated
10,68510,704Open hole

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37535317.5400 S
13.3753,52317.5400 S
9.6255,23112.252,175 S
710,6858.751,750 S
9.625—12.25775 S
7—8.75750 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
00Apr 4, 2011Sep 22, 2010Yes
00Mar 10, 2009Jul 28, 2006Yes
00Apr 27, 2007Jul 28, 2006Yes
00Feb 5, 2007——
00Mar 11, 2003Jan 15, 2003—
00Feb 12, 2003——
00Aug 28, 2001Jul 9, 2001—
00Jun 3, 1997Jan 10, 1997Yes
00May 5, 1997——

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/00338005, documented in the API reference.