WELL · 42-003-38501 · DISTRICT 8

University Block 9 /Penn/Unit #7EC

N

Andrews County  · Horizontal · Sidetrack

University Block 9 /Penn/Unit #7EC (API 42-003-38501) is a permitted horizontal well in Andrews County filed by Xto Energy Inc.; no completion report is on file yet.

The RRC has issued 4 drilling permits between 1999 and 2023, permitted to 10,700 ft.

Completion filings report 9 formation tops, including Grayburg, San Andres, Tubb, Wolfcamp.

Its 2 leases have reported 10.8M barrels of oil and 14.9M mcf of gas since November 1998, last reporting in July 2026. The leases carry 88 wells, so these are lease totals, not this well alone.

Operator of record

XTO Energy Inc.

Spring, TX · P-5 Y, filed Feb 4, 2026 · 16,156 permits on file · (832) 625-1100

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsXTO Energy Inc.through Apr 2026
Latest permitXTO Energy Inc.Mar 21, 2023
10,700
total depth, ft
4
permits on file
Mar 21, 2023
last permit issued
—
completed
10.8M
cumulative oil, bbl
14.9M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 1998 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

Surface location

32.192660, -102.559533

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Andrews County.

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 88 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
University Block 9 O-10-39152University Block 9 (Devonian)XTO Energy Inc.799.2M13.9MJan 2009 – Jul 2026
University 9 Cec O-10-35926University Block 9 (Devonian)XTO Energy Inc.91.63M1.05MNov 1998 – Apr 2009

Oil, barrels lease total

Last 12 months 2,005 · prior 12 604(+232%)

01K2K202420252026

Gas, mcf lease total

Last 12 months 10,251 · prior 12 654(+1467%)

01K2K202420252026

Chain of custody

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

  1. 1Cross Timbers Operating CompanyNov 1998 → May 2001
  2. 2XTO Energy Inc.Jun 2001 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
886890-99RecompletionXTO Energy Inc.Dec 29, 2022Mar 21, 2023—10,271
658302-99RecompletionXTO Energy Inc.Mar 27, 2008Apr 24, 2008Apr 18, 200810,600
501829-99Recompletion · sidetrackCross Timbers Operating CompanyNov 10, 2000Nov 10, 2000Jan 3, 200110,700
485977-99DrillCross Timbers Operating CompanyJul 19, 1999Jul 29, 1999Aug 3, 199910,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-35926————
—— O-10-35926————
—— O-10-39152————

Formation tops

As filed on W-2/G-1. Subsea from 3,148 ft elevation.Download CSV →

FormationMD ftSubsea
Grayburg4,600-1,452
San Andres4,925-1,777
Tubb6,010-2,862
Wolfcamp8,390-5,242
PennsylvanianPENN8,745-5,597
MississippianMISSISSIPPIAN (NON-PRODUCTIVE)9,906-6,758
WoodfordWOODFORD SHALE (NON-PRODUCTIVE)10,250-7,102
Devonian10,311-7,163
Devoinian10,330-7,182
Devonian10,330-7,182

Perforations

Perforated and open-hole intervals.

FromToType
10,03012,424Perforated
10,03012,424Open hole
10,28711,996Perforated
10,28711,996Open hole
10,32010,350Perforated
10,32010,600Perforated
10,36611,996Perforated
10,36611,996Open hole
10,55210,560Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37531017.5375 S
8.6255,200111,060 S
5.510,7217.875765 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 25, 2016Sep 13, 2016—
00Apr 9, 2010Feb 10, 2009—
00Mar 10, 2009Mar 28, 2008—
00Apr 24, 2008Mar 28, 2008—
00Oct 12, 2001Mar 1, 2001—
00Sep 24, 2001Oct 15, 1999Yes
00Dec 15, 1999Oct 15, 1999Yes
00Dec 2, 1999——

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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

University Block 9 Wolfcamp Unit42-003-38715

0.6 KM · XTO Energy Inc. · Section with this well →

Rustler1,9401,224
Grayburg4,435-1,271
San Andres4,869-1,705
Wolfcamp8,424-5,260
Pennsylvanian8,776-5,612
Devonian10,418-7,254
Devonion10,418-7,254

University Block 9 /Penn/ Unit42-003-38567

0.9 KM · XTO Energy Inc. · Section with this well →

Yates3,177-7
Queen4,043-873
Grayburg4,299-1,129
San Andres4,670-1,500
San Andres4,828-1,658
Glorieta5,855-2,685
Tubb5,858-2,688
Wichita-Albany7,552-4,382

16 TOPS · FIRST 8

University Block 9 /Penn/ Unit42-003-38590

1.2 KM · XTO Energy Inc. · Section with this well →

Grayburg4,409-1,232
San Andres4,830-1,653
Wolfcamp8,429-5,252
Pennsylvanian8,786-5,609
Mississippian9,952-6,775
Devonian10,388-7,211

University Block 9 /Penn/ Unit42-003-38263

1.3 KM · XTO Energy Inc. · Section with this well →

San Andres4,724-1,565
Wolfcamp8,368-5,209
Pennsylvanian8,688-5,529
Devonian10,245-7,086

University Block 9 /Penn/ Unit42-003-38438

1.5 KM · XTO Energy Inc. · Section with this well →

Grayburg4,592-1,426
San Andres4,917-1,751
Tubb6,052-2,886
Lo. Clearfork6,102-2,936
Clear Fork6,102-2,936
LO Clearfork6,102-2,936
Wolfcamp8,402-5,236
Pennsylvanian8,780-5,614

12 TOPS · FIRST 8

University Block 9 /Penn/ Unit42-003-38661

1.5 KM · XTO Energy Inc. · Section with this well →

Grayburg4,359-1,204
San Andres4,759-1,604
Tubb5,717-2,562
Wolfcamp8,368-5,213
Pennsylvanian8,688-5,533
Devonian10,245-7,090

University Block 9 G MS42-003-47919

1.6 KM · XTO Energy Inc. · Section with this well →

Yates3,211-48
Seven Rivers3,516-353
Queen4,196-1,033
Grayburg4,585-1,422
San Andres4,931-1,768
Glorieta6,352-3,189
Clear Fork6,437-3,274
Holt—

10 TOPS · FIRST 8

University Block 9 /Penn/Unit42-003-36923

1.6 KM · XTO Energy Inc. · Section with this well →

San Andres4,720-1,566
Wolfcamp8,375-5,221
Canyon8,915-5,761
Strawn9,035-5,881
Devonian10,225-7,071

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/00338501, documented in the API reference.