42-383-33882

Final Completion

UNIVERSITY BL

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

Permits

Max Depth

9,000 ft

First Permit

1988-03-16

Latest Activity

2012-11-05

Lifespan

25 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1988-05-28

Shut-In

—

Plugged

2024-12-17

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MARATHON OIL COMPANY 1993-2009→ APACHE CORPORATION 2009-2024

Lease Production

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

Formation Tops (6) Elevation 2,672 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SPRABERRY "A" (Spraberry)	6,012 ft	-3,340 ft
LOWER SPRABERRY (Spraberry)	6,295 ft	-3,623 ft
DEAN	6,746 ft	-4,074 ft
WOLFCAMP	6,907 ft	-4,235 ft
STRAWN	8,361 ft	-5,689 ft
ELLENBURGER	8,717 ft	-6,045 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 (1)

Interval	Type
8,721–8,752 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	905 ft	275 sx
5.5"	3,086 ft	1,000 sx
5.5"	9,000 ft	1,300 sx

Permit History (2)

#750514 Recompletion Final Completion

UNIVERSITY · 9,000 ft

2012-11-05

Spud 2011-03-08

#343844 Drill Final Completion

UNIVERSITY "BL" · 9,000 ft

1988-03-16

Applications (2)

#750514 A APACHE CORPORATION

received 2012-10-25

#343844 A MARATHON OIL COMPANY

received 1988-03-14

Records & Logs

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

W-2/G-1 2012-11-06

W-2/G-1 1988-06-10 log on file

W-2/G-1 1988-06-21

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: 5
Max Depth: 9,000 ft
Drill Type: Vertical
County: REAGAN
District: 7
Operator: APACHE CORPORATION
Completed: 1988-05-28

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