42-127-32644

Final Completion

LAS VEGAS RANCH

DIMMIT County · District 1 · TRINITY OPERATING (USG) LLC · BIG WELLS (SAN MIGUEL)

Permits

Max Depth

6,300 ft

First Permit

1985-04-03

Latest Activity

2006-11-30

Lifespan

22 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-05-15

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: TRINITY OPERATING (USG) LLC ≠ Production: FLINT OAK ENERGY, LLC (reported 2021-10)

EWA / Permit operator mismatch

Scheduling: TRINITY OPERATING (USG) LLC ≠ Permit: TEXAS AMERICAN RESOURCES COMPANY

Resolved via: scheduling → TRINITY OPERATING (USG) LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

ORYX ENERGY COMPANY 1993-1999→ KERR-MCGEE CORPORATION 1999-1999→ KERR-MCGEE OIL & GAS ONSHORE LLC 1999-2003→ TEXAS AMERICAN RESOURCES COMPANY 2003-2017→ FLINT OAK ENERGY, LLC 2021-2021

Lease Production

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

Formation Tops (3) Elevation 562 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
U-SAN MIGUEL	5,492 ft	-4,930 ft
L-SAN MIGUEL	5,700 ft	-5,138 ft
LO SAN MIGUEL SAND	5,704 ft	-5,142 ft

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 ↗

Perforations (2)

Interval	Type
5,520–5,538 ft	Perforated
5,704–5,714 ft	Perforated

Casing (4)

Size	Set Depth	Cement
9.625"	635 ft	360 sx
9.625"	650 ft	—
5.5"	5,850 ft	2,385 sx
5.5"	5,850 ft	—

Permit History (2)

#629692 Recompletion Final Completion

BIG WELLS LO. SAN MIGUEL UNIT · 5,774 ft

2006-11-30

Spud 2006-11-30

#271373 Drill Final Completion

LAS VEGAS RANCH · 6,300 ft

1985-04-03

Spud 1985-04-21

Applications (2)

#629692 A TEXAS AMERICAN RESOURCES COMPANY

received 2006-11-28

#271373 A SUPERIOR OIL COMPANY, THE

received 1985-04-03

Records & Logs

4 completion filings on record · 1 with log images at RRC.

W-2/G-1 2010-08-13 log on file

W-2/G-1 1985-06-20

W-2/G-1 1985-06-29

Completion packets + logs ↗ Wellbore filings ↗

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

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in DIMMIT County.

Well Details

Well Number: 58
Max Depth: 6,300 ft
Drill Type: Vertical
County: DIMMIT
District: 1
Operator: TRINITY OPERATING (USG) LLC
Completed: 1985-05-15

Operator

Name: TRINITY OPER (USG), LLC
Location: HOUSTON
P-5 Status: Active (filed 2026-01-28)
Cum Oil (all leases): 22,515,031 bbl
Cum Gas (all leases): 284,930,581 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 391