WELL · 42-461-42215 · DISTRICT 7

University 3-12B #2H

Y

Upton County · Spraberry (Trend Area) field · Producing  · Horizontal

University 3-12b #2H (API 42-461-42215) is a horizontal well in Upton County operated by Pioneer Natural Res. USA Inc., completed May 25, 2025 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued December 5, 2022, permitted to 10,221 ft.

Completion filings report 11 formation tops, including Santa Rosa, Rustler, Yates, Grayburg.

Its lease has reported 234K barrels of oil and 256K mcf of gas since December 2024, last reporting in July 2026.

Operator of record

Pioneer Natural Res. USA Inc.

Based in
Spring, TX
P-5 status
Active (A)
P-5 last filed
Jul 8, 2026
Permits on file
15,628
Phone
(972) 444-4001

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulePioneer Natural Res. USA Inc.
Production reportsPioneer Natural Res. USA, Inc.through Apr 2026
Latest permitPioneer Natural Res. USA, Inc.Dec 5, 2022
10,221
total depth, ft
2
permits on file
Dec 5, 2022
last permit issued
May 25, 2025
completed
234K
cumulative oil, bbl
256K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2024 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 25, 2025
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

Surface location

31.281344, -101.868343

Google Maps ↗

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

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
University 3-12B O-9-22903Spraberry (Trend Area)Pioneer Natural Res. USA, Inc.1234K256KDec 2024 – Jul 2026

Oil, barrels lease total

Last 12 months 234,187 · prior 12 0

020K40K202420252026

Gas, mcf lease total

Last 12 months 256,044 · prior 12 0

020K40K202420252026

Chain of custody

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

  1. 1Pioneer Natural Res. USA, Inc.May 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
883386-98DrillPioneer Natural Res. USA, Inc.Jul 26, 2024Dec 5, 2022Sep 30, 202410,221
883386-99DrillPioneer Natural Res. USA, Inc.Aug 25, 2022Dec 5, 2022Sep 30, 202410,221

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-22903————

Formation tops

As filed on W-2/G-1. Subsea from 2,737 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa6982,039
Rustler1,3141,423
Yates2,235502
Grayburg4,080-1,343
San AndresSAN ANDRES - SALTWATER FLOW4,321-1,584
Spraberry6,812-4,075
Wolfcamp8,316-5,579
Devonian——
Ellenburger——
Fusselman——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
9,01621,860Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,19817.51,450 S
9.6255,39812.251,265 S
5.521,8856.751,434 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
00Aug 21, 2025Aug 11, 2025—
00Jan 31, 2025Jan 20, 2025Yes

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 neighbors, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

University 3-12C42-461-42216

0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Santa Rosa6972,039
Rustler1,3131,423
Yates2,236500
Seven Rivers2,588148
Queen3,318-582
Grayburg4,076-1,340
San Andres4,340-1,604
Clear Fork6,032-3,296

10 TOPS · FIRST 8

University 3-12A42-461-42214

0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Yates2,238498
Seven Rivers2,592144
Grayburg4,085-1,349
San Andres4,328-1,592
Clear Fork6,050-3,314
Spraberry6,824-4,088
Dean8,144-5,408
Wolfcamp8,321-5,585

11 TOPS · FIRST 8

University 3-12D42-461-42217

0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Santa Rosa6972,039
Rustler1,3131,423
Yates2,233503
Seven Rivers2,590146
Queen3,315-579
Grayburg4,084-1,348
San Andres4,309-1,573
Clear Fork6,026-3,290

15 TOPS · FIRST 8

University 3-12E42-461-42887

0.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Santa Rosa6972,039
Rustler1,3131,423
Yates2,228508
Seven Rivers2,585151
Queen3,321-585
Grayburg4,139-1,403
San Andres4,288-1,552
Clear Fork6,020-3,284

10 TOPS · FIRST 8

UL Waylon F42-461-41800

1.3 KM · Hibernia Resources III, LLC · Section with this well →

Yates2,216441
Grayburg3,643-986
San Andres4,259-1,602
Spraberry6,809-4,152
Wolfcamp8,267-5,610
Devonian—
Fusselman—
Ellenburger—

9 TOPS · FIRST 8

UL Waylon E42-461-41799

1.3 KM · Hibernia Resources III, LLC · Section with this well →

Yates2,218439
Grayburg3,646-989
San Andres4,279-1,622
Spraberry6,806-4,149
Wolfcamp8,264-5,607
Devonian—
Strawn—
Fusselman—

9 TOPS · FIRST 8

UL Waylon D42-461-41798

1.3 KM · Hibernia Resources III, LLC · Section with this well →

Yates2,213443
Grayburg3,645-989
San Andres4,272-1,616
Spraberry6,806-4,150
Wolfcamp8,264-5,608
Devonian—
Fusselman—
Ellenburger—

9 TOPS · FIRST 8

UL Waylon C42-461-41797

1.3 KM · Hibernia Resources III, LLC · Section with this well →

Yates2,208448
Grayburg3,646-990
San Andres4,270-1,614
Spraberry6,804-4,148
Wolfcamp8,261-5,605
Devonian—
Ellenburger—
Fusselman—

9 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

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