42-003-34992

Final Completion

UNIVERSITY -B-

ANDREWS County · District 8 · BTA OIL PRODUCERS · ANDREWS SOUTH (WOLFCAMP)

Permits

Max Depth

9,250 ft

First Permit

1985-06-21

Latest Activity

1989-12-05

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-08-10

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: BTA OIL PRODUCERS ≠ Production: LIBERTAD OPERATING LLC (reported 2026-03)

Resolved via: production → LIBERTAD OPERATING LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

ANDREWS County disposal market →

H-1 Injection Active UIC #000072349 permitted 1998-12-03

Permitted Volume

1,000 bbl/d

Max Pressure

1,200 psi

Injection Interval

4,472–4,760 ft

Injected (12mo)

92,361 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-11-01)

Operator History

Chain of Custody

BTA OIL PRODUCERS 1993-2008→ BTA OIL PRODUCERS, LLC 2008-2024→ LIBERTAD OPERATING LLC 2025-2026

Lease Production

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

Formation Tops (4) Elevation 3,093 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	3,064 ft	+29 ft
GRAYBURG	4,556 ft	-1,463 ft
CLEARFORK (Clear Fork)	6,124 ft	-3,031 ft
WOLFCAMP LIME (Wolfcamp)	8,483 ft	-5,390 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
4,742–4,760 ft	Perforated
8,910–9,037 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	1,700 ft	1,400 sx
8.625"	4,800 ft	1,500 sx
5.5"	9,250 ft	1,600 sx

Permit History (2)

#367178 Recompletion Final Completion

UNIVERSITY -B- · 9,250 ft

1989-12-05

#278336 Drill Final Completion

UNIVERSITY -B- · 9,100 ft

1985-06-21

Spud 1985-06-28

Applications (2)

#367178 A BTA OIL PRODUCERS

received 1989-12-04

#278336 A BTA OIL PRODUCERS

received 1985-06-20

Records & Logs

4 completion filings on record.

W-2/G-1 1990-05-24

W-2/G-1 1990-06-14

W-2/G-1 1985-08-16

W-2/G-1 1985-09-04

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.

No GPS coordinates yet

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

Well Details

Well Number: 4
Max Depth: 9,250 ft
Drill Type: Vertical
County: ANDREWS
District: 8
Operator: BTA OIL PRODUCERS
Completed: 1985-08-10

Operator

Name: COSTILLA PETRO CORP
Location: MIDLAND
P-5 Status: Inactive (filed 2007-01-05)
Cum Oil (all leases): 14,862,871 bbl
Cum Gas (all leases): 58,076,730 mcf
Total Permits: 684