42-507-32172

Final Completion

WEST G. W.

ZAVALA County · District 1 · CONTANGO RESOURCES LLC · LEONA RIVER (ESCONDIDO D-1)

Permits

Max Depth

4,700 ft

First Permit

1985-12-12

Latest Activity

2011-01-20

Lifespan

25 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1986-02-03

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: CONTANGO RESOURCES LLC ≠ Production: CRIMSON EXPLORATION OPER., INC. (reported 2009-07)

EWA / Permit operator mismatch

Scheduling: CONTANGO RESOURCES LLC ≠ Permit: CRIMSON EXPLORATION OPER., INC.

Resolved via: scheduling → CONTANGO RESOURCES LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

TEXACO E & P INC. 1993-1993→ TRAVERS RESOURCES, INC. 1993-1998→ CAVALIER OIL & GAS, INC. 1998-2000→ SETEX OIL AND GAS COMPANY 2000-2005→ CRIMSON EXPLORATION OPER., INC. 2007-2009

Lease Production

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

Formation Tops (5) Elevation 680 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CARRIZO	1,000 ft	-320 ft
ESCONDIDO - C- (Escondido)	3,350 ft	-2,670 ft
ESCONDIDO -C- (Escondido)	3,350 ft	-2,670 ft
ESCONDIDO -D- (Escondido)	3,500 ft	-2,820 ft
ESCONDIDO - D - 1 (Escondido)	3,500 ft	-2,820 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
1,600–1,650 ft	Perforated
3,502–3,520 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	525 ft	235 sx
5.5"	3,682 ft	990 sx

Permit History (2)

#708640 Recompletion Final Completion

WEST, G.W. · 4,700 ft

2011-01-20

Spud 2011-04-04

#292493 Drill Final Completion

WEST, G. W. · 4,700 ft

1985-12-12

Spud 1986-01-22

Applications (2)

#708640 A CRIMSON EXPLORATION OPER., INC.

received 2011-01-17

#292493 A TEXACO INC.

received 1985-10-24

Records & Logs

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

W-2/G-1 2012-01-10

W-2/G-1 1986-02-14 log on file

W-2/G-1 1986-03-01

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 ZAVALA County.

Well Details

Well Number: 8
Max Depth: 4,700 ft
Drill Type: Vertical
County: ZAVALA
District: 1
Operator: CONTANGO RESOURCES LLC
Completed: 1986-02-03

Operator

Name: CONTANGO RES, LLC
Location: ANDREWS
P-5 Status: Inactive (filed 2025-02-20)
Cum Oil (all leases): 10,553,352 bbl
Cum Gas (all leases): 10,560,139 mcf
Activities: OPRS/G
Total Permits: 13