42-489-00230

Final Completion

WILLAMAR WEST UNIT

WILLACY County · District 4 · CITATION OIL & GAS CORP. · WILLAMAR WEST

Permits

Max Depth

7,970 ft

First Permit

1988-09-27

Latest Activity

1991-06-10

Lifespan

3 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-08-12

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

UIC Permit Cancelled 1987-02-05 UIC #000004734

Permitted Volume

—

Max Pressure

—

Injection Interval

—

Injected (12mo)

—

Lease Production

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

Formation Tops (6) Elevation 10 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MARG FRIO 1	7,780 ft	-7,770 ft
MARG FRIO1	7,780 ft	-7,770 ft
MARG FRIO 2	7,865 ft	-7,855 ft
MARG FRIO2	7,865 ft	-7,855 ft
MARG FRIO 3	7,920 ft	-7,910 ft
MARG FRIO 4	7,960 ft	-7,950 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 (5)

Interval	Type
5,860–5,870 ft	Perforated
6,130–6,150 ft	Perforated
7,858–7,870 ft	Perforated
7,902–7,910 ft	Perforated
7,937–7,962 ft	Perforated

Casing (2)

Size	Set Depth	Cement
10.75"	1,613 ft	800 sx
5.5"	7,969 ft	750 sx

Permit History (2)

#388644 Recompletion Final Completion

WILLAMAR WEST MIOCENE UNIT "M" · 7,970 ft

1991-06-10

Spud 1991-06-11

#351626 Recompletion U

WILLAMAR WEST/MIOCENE UNIT · 7,970 ft

1988-09-27

Applications (2)

#388644 A CITATION OIL & GAS CORP.

received 1991-06-05

#351626 A AMOCO PRODUCTION COMPANY

received 1988-09-26

Records & Logs

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

W-2/G-1 1991-08-26 log on file

W-2/G-1 1989-02-28

W-2/G-1 1989-03-09

W-2/G-1 1986-01-16

W-2/G-1 1984-01-12

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 WILLACY County.

Well Details

Well Number: 23
Max Depth: 7,970 ft
Drill Type: Vertical
County: WILLACY
District: 4
Operator: CITATION OIL & GAS CORP.
Completed: 1985-08-12

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