WELL · 42-003-38226 · DISTRICT 8

University Block 9 /Penn/ Unit #55

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

University Block 9 /Penn/ Unit #55 (API 42-003-38226) is a well in Andrews County operated by Xto Energy Inc., completed October 1, 1997.

The RRC has issued 2 drilling permits between 1997 and 2015, permitted to 9,600 ft.

Completion filings report 4 formation tops, including Grayburg, San Andres, Wolfcamp, Pennsylvanian.

Its 2 leases have reported 7.4M barrels of oil and 15.1M mcf of gas since January 1993, last reporting in July 2026. The leases carry 136 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.Jun 11, 2015
9,600
total depth, ft
2
permits on file
Jun 11, 2015
last permit issued
Oct 1, 1997
completed
7.4M
cumulative oil, bbl
15.1M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Oct 1, 1997
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 2 leases this well is completed on; they carry 136 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
University BLK.9 /Wolfcamp/ Unit O-10-15046University Block 9 (Wolfcamp)XTO Energy Inc.663.83M7.63MJan 1993 – Jul 2026
University Block 9 /Penn/ Unit O-10-21413University Block 9 (Penn.)XTO Energy Inc.703.56M7.45MJan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 39,152 · prior 12 56,637(-31%)

05K10K202420252026

Gas, mcf lease total

Last 12 months 163,186 · prior 12 228,046(-28%)

020K40K202420252026

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
806271-99RecompletionXTO Energy Inc.May 6, 2015Jun 11, 2015Jul 6, 20159,390
463543-99DrillCross Timbers Operating CompanyJun 9, 1997Jun 20, 1997Jul 25, 19979,600

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-15046————
—— O-10-21413————

Formation tops

As filed on W-2/G-1. Subsea from 3,168 ft elevation.Download CSV →

FormationMD ftSubsea
Grayburg4,499-1,331
San Andres4,847-1,679
Wolfcamp8,169-5,001
Wolfcamp8,424-5,256
PennsylvanianPENN8,784-5,616
Pennsylvanian8,784-5,616

Perforations

Perforated and open-hole intervals.

FromToType
8,2338,485Perforated
8,7928,803Perforated
8,9088,910Perforated
8,9148,916Perforated
8,9428,948Perforated
8,9638,966Perforated
9,0509,054Perforated
9,1569,160Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37531217400 S
13.37531217.5400 S
8.6255,15011850 S
5.59,3887.875700 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 22, 2016Apr 19, 2016—
00Mar 24, 1998Oct 13, 1997Yes
00Mar 17, 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/00338226, documented in the API reference.