42-383-31222

Final Completion

UNIVERSITY

REAGAN County · District 7 · APACHE CORPORATION · BIG LAKE (SPRABERRY)

Permits

Max Depth

9,312 ft

First Permit

1978-05-01

Latest Activity

2004-09-09

Lifespan

26 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1994-12-04

Shut-In

—

Plugged

2017-05-17

EWA / Permit operator mismatch

Scheduling: APACHE CORPORATION ≠ Permit: MARATHON OIL COMPANY

Resolved via: scheduling → APACHE CORPORATION

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2024-11

Operator History

Chain of Custody

MARATHON OIL COMPANY 1993-2009→ APACHE CORPORATION 2009-2010

Lease Production

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

Formation Tops (6) Elevation 2,712 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
DEAN	6,778 ft	-4,066 ft
STRAWN	8,247 ft	-5,535 ft
DEVONIAN	8,378 ft	-5,666 ft
FUSSELMAN	8,498 ft	-5,786 ft
SIMPSON	8,592 ft	-5,880 ft
ELLENBURGER	8,856 ft	-6,144 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
5,547–6,900 ft	Perforated
8,500–8,534 ft	Perforated

Casing (4)

Size	Set Depth	Cement
13.375"	711 ft	560 sx
8.625"	4,110 ft	2,450 sx
2.375"	8,461 ft	—
5.5"	9,300 ft	1,495 sx

Permit History (2)

#550646 Recompletion Final Completion

UNIVERSITY BL · 9,312 ft

2004-09-09

#23248 Drill

UNIVERSITY "BL" · 9,312 ft

1978-05-01

Spud 1978-05-02

Applications (2)

#550646 A MARATHON OIL COMPANY

received 2004-09-08

#23248 A MARATHON OIL COMPANY

received 1978-05-01

Records & Logs

3 completion filings on record.

W-2/G-1 2004-06-15

W-2/G-1 1978-07-10

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 REAGAN County.

Well Details

Well Number: 4
Max Depth: 9,312 ft
Drill Type: Vertical
County: REAGAN
District: 7
Operator: APACHE CORPORATION
Completed: 1994-12-04

Operator

Name: APC OPER PARTNERSHIP
Location: HOUSTON
P-5 Status: Active (filed 2025-12-03)
Cum Oil (all leases): 615,928,793 bbl
Cum Gas (all leases): 2,702,742,169 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 9,664