42-317-34214

Final Completion

GLASS, GEORGE W. "21"

MARTIN County · District 8 · CONCHO RESOURCES INC.

Permits

Max Depth

10,000 ft

First Permit

1996-11-12

Latest Activity

1999-04-22

Lifespan

2 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

COSTILLA PETROLEUM CORPORATION 1993-1997→ COSTILLA ENERGY, INC. 1997-1998→ CONCHO RESOURCES INC. 1998-2001→ DEVON ENERGY PRODUCTION CO, L.P. 2001-2002→ MERIT ENERGY COMPANY 2002-2013→ HUNT OIL COMPANY 2013-2021→ VENCER ENERGY, LLC 2021-2023→ CIVITAS PERMIAN OPERATING, LLC 2024-2026

Lease Production

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

Oil

production & DCA →

Formation Tops (5) Elevation 2,939 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
UPPER SPRABERRY (Spraberry)	7,800 ft	-4,861 ft
LOWER SPRABERRY (Spraberry)	8,420 ft	-5,481 ft
JO MILL	8,590 ft	-5,651 ft
DEAN	9,078 ft	-6,139 ft
BASE OF DEAN (Dean)	9,320 ft	-6,381 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 (3)

Interval	Type
7,806–8,035 ft	Perforated
8,432–8,682 ft	Perforated
9,082–9,318 ft	Perforated

Casing (3)

Size	Set Depth	Cement
12.75"	360 ft	375 sx
8.625"	5,092 ft	200 sx
4.5"	9,423 ft	1,045 sx

Permit History (2)

#483871 Drill Final Completion

GLASS, GEORGE W. "21" · 9,500 ft

1999-04-22

Spud 1999-05-08

#453953 Drill

GLASS, GEORGE W. 21 · 10,000 ft

1996-11-12

Applications (2)

#483871 A CONCHO RESOURCES INC.

received 1999-04-15

#453953 A COSTILLA PETROLEUM CORPORATION

received 1996-10-16

Records & Logs

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

W-2/G-1 1999-07-01 log on file

W-2/G-1 1999-09-03

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 MARTIN County.

Well Details

Well Number: 5
Max Depth: 10,000 ft
Drill Type: Vertical
County: MARTIN
District: 8
Operator: CONCHO RESOURCES INC.

Operator

Name: CONCHO RES INC
Location: OKLAHOMA CI, TY
P-5 Status: Inactive (filed 2003-07-21)
Cum Oil (all leases): 2,512,660 bbl
Cum Gas (all leases): 3,405,283 mcf
Total Permits: 138