WELL · 42-235-36571 · DISTRICT 7

University 43 #0906WC

Y

Irion County · Lin (Wolfcamp) field · Producing  · Horizontal

University 43 #0906WC (API 42-235-36571) is a horizontal well in Irion County operated by Sem Operating Company LLC, completed July 4, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued January 26, 2023, permitted to 10,000 ft.

Completion filings report 7 formation tops, including San Andres, Clear Fork, Spraberry, Wolfcamp.

Its lease has reported 2.37M barrels of oil and 39.8M mcf of gas since January 2011, last reporting in July 2026. The lease carries 30 wells, so these are lease totals, not this well alone.

Operator of record

Sem Operating Company LLC

Houston, TX · P-5 Y, filed Apr 4, 2026 · 404 permits on file · (877) 447-2289

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSem Operating Company LLC
Production reportsSem Operating Company LLCthrough Apr 2026
Latest permitSem Operating Company LLCJan 26, 2023
10,000
total depth, ft
1
permits on file
Jan 26, 2023
last permit issued
Jul 4, 2023
completed
2.37M
cumulative oil, bbl
39.8M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 4, 2023
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

31.126877, -101.242897

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Irion 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; they carry 30 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
University 43 O-9-17569Lin (Wolfcamp)Sem Operating Company LLC302.37M39.8MJan 2011 – Jul 2026

Gas, mcf lease total

Last 12 months 3,882,522 · prior 12 3,706,865(+5%)

0200K400K202420252026

Oil, barrels lease total

Last 12 months 191,266 · prior 12 96,935(+97%)

050K100K202420252026

Chain of custody

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

  1. 1EOG Resources, Inc.Jan 2011 → May 2016
  2. 2Sem Operating Company LLCJun 2016 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
887495-99DrillSem Operating Company LLCJan 20, 2023Jan 26, 2023Mar 6, 202310,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-17569————

Formation tops

As filed on W-2/G-1. Subsea from 2,612 ft elevation.Download CSV →

FormationMD ftSubsea
San Andres2,399213
Clear ForkCLEARFORK3,472-860
Spraberry4,815-2,203
Wolfcamp6,986-4,374
Canyon——
Fusselman——
Grayburg——

Perforations

Perforated and open-hole intervals.

FromToType
7,67715,432Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37583317.5675 S
5.515,5188.753,735 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
00Nov 13, 2023Oct 20, 2023Yes

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 4342-235-36574

0.0 KM · Sem Operating Company LLC · Section with this well →

San Andres2,385228
Clear Fork3,458-845
Spraberry4,801-2,188
Wolfcamp6,972-4,359
Fusselman—
Grayburg—
Canyon—

University 4342-235-36570

0.0 KM · Sem Operating Company LLC · Section with this well →

San Andres2,413198
Clear Fork3,486-875
Spraberry4,829-2,218
Wolfcamp7,000-4,389
Canyon—
Grayburg—
Fusselman—

University 4342-235-36575

0.0 KM · Sem Operating Company LLC · Section with this well →

San Andres2,371243
Clear Fork3,444-830
Spraberry4,787-2,173
Wolfcamp6,958-4,344
Canyon—
Grayburg—
Fusselman—

University 4342-235-36551

0.6 KM · Sem Operating Company LLC · Section with this well →

Canyon—
Clear Fork—
Fusselman—
Grayburg—
San Andres—
Spraberry—
Wolfcamp—

University 4342-235-36563

0.6 KM · Sem Operating Company LLC · Section with this well →

San Andres2,409188
Clear Fork3,482-885
Spraberry5,719-3,122
Wolfcamp6,996-4,399
Grayburg—
Fusselman—
Canyon—

University 4342-235-36221

1.2 KM · Sem Operating Company LLC · Section with this well →

Grayburg1,2361,436
San Andres2,870-198
Clear Fork3,703-1,031
Spraberry5,687-3,015
Wolfcamp6,558-3,886
Fusselman—
Canyon—

University 4342-235-36220

1.2 KM · Sem Operating Company LLC · Section with this well →

Grayburg1,2361,436
San Andres1,992680
Clear Fork3,703-1,031
Spraberry5,687-3,015
Wolfcamp6,558-3,886
Canyon—
Fusselman—

University 43A42-235-36488

1.3 KM · Sem Operating Company LLC · Section with this well →

San Andres2,347276
Clear Fork3,926-1,303
Spraberry5,763-3,140
Wolfcamp7,031-4,408
Fusselman—
Canyon—
Grayburg—

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/23536571, documented in the API reference.