WELL · 42-383-41919 · DISTRICT 7

University 9 #2107WC

Y

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

University 9 #2107WC (API 42-383-41919) is a horizontal well in Reagan County operated by Sem Operating Company LLC, completed May 30, 2025 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued January 17, 2025, permitted to 10,000 ft.

Completion filings report 9 formation tops, including San Andres, Clear Fork, Spraberry, Wolfcamp.

Its lease has reported 7.54M barrels of oil and 18.7M mcf of gas since May 2011, last reporting in July 2026. The lease carries 44 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 17, 2025
10,000
total depth, ft
1
permits on file
Jan 17, 2025
last permit issued
May 30, 2025
completed
7.54M
cumulative oil, bbl
18.7M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 30, 2025
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

31.260031, -101.612495

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Reagan 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 44 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
University 9 O-9-17639Lin (Wolfcamp)Sem Operating Company LLC447.54M18.7MMay 2011 – Jul 2026

Oil, barrels lease total

Last 12 months 1,080,783 · prior 12 311,354(+247%)

050K100K150K202420252026

Gas, mcf lease total

Last 12 months 2,058,299 · prior 12 1,700,498(+21%)

0100K200K300K202420252026

Chain of custody

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

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

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
905172-99DrillSem Operating Company LLCJan 14, 2025Jan 17, 2025Jan 20, 202510,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-17639————

Formation tops

As filed on W-2/G-1. Subsea from 2,644 ft elevation.Download CSV →

FormationMD ftSubsea
San AndresSAN ANDRES - SALTWATER FLOW, POS4,160-1,516
Clear ForkCLEARFORK5,095-2,451
Spraberry6,198-3,554
Wolfcamp8,538-5,894
Ellenburger——
Fusselman——
Grayburg——
Queen——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
8,39924,307Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37596817.5720 S
9.6258,05712.25910 S
5.524,4278.755,425 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
00Jul 28, 2025Jul 11, 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 neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

University 942-383-41920

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

San Andres4,137-1,493
Clear Fork5,072-2,428
Spraberry6,175-3,531
Wolfcamp8,515-5,871
Ellenburger—
Queen—
Strawn—
Grayburg—

9 TOPS · FIRST 8

University 942-383-41913

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

San Andres4,116-1,496
Clear Fork5,099-2,479
Spraberry6,751-4,131
Wolfcamp7,739-5,119
Grayburg—
Fusselman—
Ellenburger—
Strawn—

9 TOPS · FIRST 8

University 942-383-41912

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

San Andres4,113-1,493
Clear Fork5,096-2,476
Spraberry6,748-4,128
Wolfcamp7,736-5,116
Grayburg—
Fusselman—
Ellenburger—
Strawn—

9 TOPS · FIRST 8

University 942-383-41911

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

San Andres4,126-1,506
Clear Fork5,109-2,489
Spraberry6,761-4,141
Wolfcamp7,749-5,129
Ellenburger—
Fusselman—
Grayburg—
Queen—

9 TOPS · FIRST 8

University 942-383-40005

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

Grayburg2,467174
Queen3,413-772
San Andres3,450-809
Big Lake3,451-810
Clear Fork—
Strawn—
Fusselman—
Ellenburger—

9 TOPS · FIRST 8

University 942-383-41703

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

San Andres4,109-1,424
Clear Fork5,051-2,366
Spraberry6,153-3,468
Wolfcamp7,702-5,017
Fusselman—
Grayburg—
Queen—
Ellenburger—

9 TOPS · FIRST 8

University 942-383-41709

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

San Andres4,099-1,413
Clear Fork5,041-2,355
Spraberry6,143-3,457
Wolfcamp8,058-5,372
Queen—
Strawn—
Ellenburger—
Grayburg—

9 TOPS · FIRST 8

University 942-383-41708

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

San Andres4,090-1,404
Clear Fork5,032-2,346
Spraberry6,134-3,448
Wolfcamp7,683-4,997
Grayburg—
Fusselman—
Ellenburger—
Queen—

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

Developers: this page as JSON is GET /v1/data/wells/38341919, documented in the API reference.