← Wells

42-105-42438

PRODUCING Horizontal

UNIVERSITY 40

CROCKETT County · District 7 · SEM OPERATING COMPANY LLC · LIN (WOLFCAMP)

Permits

1

Max Depth

10,000 ft

First Permit

2017-09-22

Latest Activity

2017-09-22

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-02-19

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2010-05

Last Production

2026-07

Operator History

Chain of Custody

EOG RESOURCES, INC. 2010-2016→ SEM OPERATING COMPANY LLC 2016-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Oil
production & DCA →

Formation Tops (8) Elevation 2,681 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN 1,070 ft+1,611 ft
SAN ANDRES 1,889 ft+792 ft
LEONARD 3,441 ft-760 ft
WOLFCAMP 6,274 ft-3,593 ft
CANYON ——
DEVONIAN ——
ELLENBURGER ——
STRAWN ——

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
✓ 42-105-42511 UNIVERSITY 40 · SEM OPERATING COMPANY LLC
0.2 mi
Queen 1,276'San Andres 2,284'Leonard 3,560'Wolfcamp 6,750'Ellenburger —Devonian —Strawn —Canyon —
✓ 42-105-42510 UNIVERSITY 40 · SEM OPERATING COMPANY LLC
0.2 mi
Queen 1,247'San Andres 1,952'Leonard 3,558'Wolfcamp 6,773'Strawn —Canyon —Devonian —Ellenburger —
✓ 42-105-42509 UNIVERSITY 40 · SEM OPERATING COMPANY LLC
0.2 mi
Queen 1,253'San Andres 2,345'Leonard 3,599'Wolfcamp 6,811'Strawn —Canyon —Devonian —Ellenburger —
✓ 42-105-42507 UNIVERSITY 40 · SEM OPERATING COMPANY LLC
0.2 mi
Queen 1,228'San Andres 1,968'Leonard 3,522'Wolfcamp 6,788'Devonian —Strawn —Canyon —Ellenburger —
✓ 42-235-36183 UNIVERSITY 38-40 · SEM OPERATING COMPANY LLC
0.6 mi
Grayburg 1,070'San Andres 2,244'Clear Fork 3,441'Spraberry 4,696'Wolfcamp 6,274'Fusselman —Canyon —
✓ 42-235-36182 UNIVERSITY 38-40 · SEM OPERATING COMPANY LLC
0.6 mi
Grayburg 1,070'San Andres 2,244'Clear Fork 3,441'Spraberry 5,404'Wolfcamp 6,274'Canyon —Fusselman —
✓ 42-105-42524 UNIVERSITY 40 · SEM OPERATING COMPANY LLC
0.8 mi
Queen 1,238'San Andres 1,889'Spraberry 4,581'Wolfcamp 6,075'Canyon —Ellenburger —Strawn —Devonian —Leonard —
✓ 42-105-42523 UNIVERSITY 40 · SEM OPERATING COMPANY LLC
0.8 mi
Queen 1,236'San Andres 1,881'Wolfcamp 6,017'Ellenburger —Leonard —Devonian —Strawn —Canyon —

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
6,839–17,484 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"825 ft515 sx
5.5"17,580 ft3,740 sx

Permit History (1)

#831044 Drill Final Completion

UNIVERSITY 40 · 10,000 ft

2017-09-22

Spud 2017-10-13

Applications (1)

#831044 A SEM OPERATING COMPANY LLC
received 2017-09-18

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2018-04-17 log on file
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

Google Maps → Explorer Map →
Lat 31.075980
Lon -101.145856

Well Details

Well Number
2123WB
Max Depth
10,000 ft
Drill Type
Horizontal
County
CROCKETT
District
7
Operator
SEM OPERATING COMPANY LLC
Completed
2018-02-19

Operator

Location
HOUSTON
P-5 Status
Active (filed 2025-06-10)
Cum Oil (all leases)
46,291,690 bbl
Cum Gas (all leases)
16,745,020 mcf
Activities
OPRS/G, OPRS/O
Total Permits
400