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WILLAMAR WEST UNIT

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

Permits

Max Depth

8,100 ft

First Permit

1984-07-23

Latest Activity

2003-04-02

Lifespan

19 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

1985-07-29

Shut-In

—

Plugged

—

P-5 Org Status: X

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Cancelled 2003-09-15 UIC #000056657 permitted 1985-06-05

Permitted Volume

2,000 bbl/d

Max Pressure

1,500 psi

Injection Interval

7,700–8,090 ft

Injected (12mo)

—

Lease Production

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

Formation Tops (5) Elevation 16 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MIOCENE 4700 (Miocene (undifferentiated))	4,688 ft	-4,672 ft
MARG FRIO 1	7,780 ft	-7,764 ft
MARG FRIO 2	7,865 ft	-7,849 ft
MARG FRIO 3	7,920 ft	-7,904 ft
MARG FRIO 4	7,960 ft	-7,944 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
4,688–4,698 ft	Perforated
7,940–7,976 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	1,610 ft	687 sx
5.5"	8,100 ft	585 sx

Permit History (2)

#529807 Recompletion Final Completion

BUCY · 4,900 ft

2003-04-02

Spud 2003-05-19

#245968 Drill Final Completion

WILLAMAR WEST FIELD UNIT · 8,100 ft

1984-07-23

Spud 1984-12-08

Applications (3)

#529807 A CITATION OIL & GAS CORP.

received 2003-03-20

#245968 A AMOCO PRODUCTION COMPANY

received 1985-02-11

#245968 A AMOCO PRODUCTION COMPANY

received 1984-07-20

Records & Logs

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

W-2/G-1 2003-06-30 log on file

W-2/G-1 2003-07-09

W-2/G-1 1986-02-10 log on file

W-2/G-1 1986-02-26

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: 7
Max Depth: 8,100 ft
Drill Type: Vertical
County: WILLACY
District: 4
Operator: CITATION OIL & GAS CORP.
Completed: 1985-07-29

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