42-227-33951

Final Completion

CHALK ESTATE

HOWARD County · District 8 · CITATION OIL & GAS CORP. · HOWARD-GLASSCOCK (WOLFCAMP 7400)

Permits

Max Depth

8,500 ft

First Permit

1986-01-07

Latest Activity

1994-11-17

Lifespan

9 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1986-04-07

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: CITATION OIL & GAS CORP. ≠ Permit: CONOCO INC.

Resolved via: production → CITATION OIL & GAS CORP.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

CONOCO INC. 1993-2002→ CONOCOPHILLIPS COMPANY 2003-2018→ CITATION OIL & GAS CORP. 2018-2026

Lease Production

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

Formation Tops (9) Elevation 2,423 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	1,180 ft	+1,243 ft
SEVEN RIVERS	1,268 ft	+1,155 ft
QUEEN	1,484 ft	+939 ft
GRAYBURG	1,755 ft	+668 ft
SAN ANDRES	1,860 ft	+563 ft
GLORIETA	2,470 ft	-47 ft
CLEARFORK (Clear Fork)	2,978 ft	-555 ft
WOLFCAMP	7,300 ft	-4,877 ft
STRAWN	7,585 ft	-5,162 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
7,302–7,388 ft	Perforated
7,585–7,716 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	350 ft	400 sx
9.625"	3,950 ft	1,800 sx
5.5"	8,000 ft	1,050 sx

Permit History (2)

#430155 Recompletion Final Completion

CHALK ESTATE · 8,500 ft

1994-11-17

Spud 1994-12-21

#294649 Drill Final Completion

CHALK ESTATE · 8,500 ft

1986-01-07

Spud 1986-01-26

Applications (2)

#430155 A CONOCO INC.

received 1994-11-17

#294649 A MOBIL PRODUCING TX. & N.M. INC.

received 1986-01-07

Records & Logs

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

W-2/G-1 1995-02-08

W-2/G-1 1995-04-27

W-2/G-1 1986-06-04 log on file

W-2/G-1 1986-06-19

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 HOWARD County.

Well Details

Well Number: 22
Max Depth: 8,500 ft
Drill Type: Vertical
County: HOWARD
District: 8
Operator: CITATION OIL & GAS CORP.
Completed: 1986-04-07

Operator

Name: CITATION OIL & GAS CORP
Location: HOUSTON
P-5 Status: X (filed 2026-05-27)
Cum Oil (all leases): 72,247,033 bbl
Cum Gas (all leases): 24,511,082 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits: 864