WELL · 42-003-38263 · DISTRICT 8

University Block 9 #8H

N

Andrews County · University Block 9 (Devonian) field  · Horizontal · Sidetrack

University Block 9 #8H (API 42-003-38263) is a horizontal well in Andrews County operated by Xto Energy Inc., completed May 27, 2008.

The RRC has issued 4 drilling permits between 1997 and 2022, permitted to 10,800 ft.

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

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 157 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 · 16,153 permits on file · (832) 625-1100

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.Mar 16, 2022
10,800
total depth, ft
4
permits on file
Mar 16, 2022
last permit issued
May 27, 2008
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
May 27, 2008
Shut in
—
Plugged
—

Surface location

32.191556, -102.573669

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 3 leases this well is completed on; they carry 157 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 -AU- O-10-9559University Block 9 (Devonian)XTO Energy Inc.8939K602KJan 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
877991-99RecompletionXTO Energy Inc.Mar 11, 2022Mar 16, 2022Jun 1, 20229,400
652827-99RecompletionXTO Energy Inc.Jan 10, 2008Jan 16, 2008Mar 2, 200810,500
486093-99Recompletion · sidetrackCross Timbers Operating CompanyJul 23, 1999Jul 23, 1999Aug 27, 199910,800
466368-99DrillCross Timbers Operating CompanyAug 18, 1997Aug 18, 1997Dec 22, 199710,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-9559————
—— O-10-9559————
—— O-10-21413————
—— O-10-39152————

Formation tops

As filed on W-2/G-1. Subsea from 3,159 ft elevation.Download CSV →

FormationMD ftSubsea
San Andres4,724-1,565
Wolfcamp8,368-5,209
Wolfcamp8,379-5,220
PennsylvanianPENN8,688-5,529
PennsylvanianPENN8,722-5,563
Devonian10,245-7,086
Devonian10,299-7,140

Perforations

Perforated and open-hole intervals.

FromToType
8,8399,169Perforated
10,02711,581Perforated
10,30211,690Perforated
10,30211,690Open hole
10,31110,319Perforated
10,37010,378Perforated
10,54910,555Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37531217.5400 S
8.6255,04611850 S
5.510,6997.875820 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
00Jan 19, 2023Nov 28, 2022—
00Mar 10, 2009Aug 27, 2008—
00Mar 3, 2009Aug 27, 2008—
00Apr 28, 2000Oct 19, 1999—
00Apr 17, 2000Apr 10, 1998Yes
00May 5, 1998Apr 10, 1998Yes
00Apr 22, 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.

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 /Penn/ Unit42-003-38567

0.6 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 Wolfcamp Unit42-003-38715

0.7 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/ Unit42-003-34915

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

Wichita-Albany7,229-4,056
Wolfcamp8,246-5,073
Cisco8,720-5,547
Pennsylvanian8,786-5,613
Canyon8,896-5,723
Pennsylvanian9,396-6,223
Lo. Mississippi9,945-6,772
Mississippian9,952-6,779

10 TOPS · FIRST 8

University Block 9 /Penn/Unit42-003-36923

0.7 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

University Block 9 /Penn/ Unit42-003-38590

0.8 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/ Unit42-003-38661

0.9 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 /Penn/Unit42-003-38160

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

Grayburg4,222-1,050
San Andres4,754-1,582
Wolfcamp8,412-5,240
Pennsylvanian8,750-5,578
Mississippian9,872-6,700
Mississippian9,889-6,717
Woodford10,203-7,031
Devonian10,284-7,112

16 TOPS · FIRST 8

University Block 9 /Penn/ Unit42-003-38438

1.1 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

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/00338263, documented in the API reference.