42-435-34608

Final Completion

WHITEHEAD 8

SUTTON County · District 7 · COSTILLA PETROLEUM CORPORATION

Permits

Max Depth

9,000 ft

First Permit

1992-12-31

Latest Activity

1996-07-26

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1996-10

Last Production

2026-07

Operator History

Chain of Custody

COSTILLA PETROLEUM CORPORATION 1996-1997→ COSTILLA ENERGY, INC. 1997-1997→ CONCHO RESOURCES INC. 1998-2001→ DEVON ENERGY PRODUCTION CO, L.P. 2001-2002→ MERIT ENERGY COMPANY 2002-2003→ DOMINION OKLAHOMA TEXAS E&P, INC 2003-2007→ HIGHMOUNT EXPL & PROD TEXAS LLC 2008-2014→ ENERVEST OPERATING, L.L.C. 2014-2019→ UPP OPERATING, LLC 2019-2026

Lease Production

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

Gas

production & DCA →

Formation Tops (2)

CSV

Formation	Top Depth (MD)
CANYON	6,210 ft
STRAWN	8,205 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. View filings & logs at RRC ↗

Perforations (2)

Interval	Type
8,375–8,378 ft	Perforated
8,475–8,508 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	1,232 ft	485 sx
5.5"	8,799 ft	680 sx

Permit History (2)

#450847 Drill Final Completion

WHITEHEAD 8 · 9,000 ft

1996-07-26

Spud 1996-09-10

#407288 Drill

WHITEHEAD · 9,000 ft

1992-12-31

Applications (2)

#450847 A COSTILLA PETROLEUM CORPORATION

received 1996-07-26

#407288 A COSTILLA PETROLEUM CORPORATION

received 1992-12-28

Records & Logs

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

W-2/G-1 1996-11-13 log on file

W-2/G-1 1997-01-16

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 SUTTON County.

Well Details

Well Number: 802
Max Depth: 9,000 ft
Drill Type: Vertical
County: SUTTON
District: 7
Operator: COSTILLA PETROLEUM CORPORATION

Operator

Name: COSTILLA PETRO CORP
Location: MIDLAND
P-5 Status: Inactive (filed 1996-04-12)
Cum Oil (all leases): 2,333,776 bbl
Cum Gas (all leases): 10,236,504 mcf
Total Permits: 120