42-479-32670

L. WINCH STATE

WEBB County · District 4 · WHITE OAK OPERATING COMPANY LLC

Permits

Max Depth

10,270 ft

First Permit

1980-04-01

Latest Activity

2007-12-21

Lifespan

28 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

CONOCO INC. 1993-1998→ NORTH CENTRAL OIL CORP. 1998-2005→ POGO PRODUCING COMPANY 2006-2007→ WHITE OAK OPERATING COMPANY LLC 2007-2015→ CHROMA OPERATING, INC. 2008-2014

Lease Production

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

Gas

production & DCA →

Formation Tops (4) Elevation 550 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
QUEEN CITY	3,400 ft	-2,850 ft
TOP OF WILCOX (Wilcox)	4,600 ft	-4,050 ft
TOP OF MIDDLE WILCOX (Wilcox)	7,500 ft	-6,950 ft
TOP OF LOBO	8,700 ft	-8,150 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
8,818–8,856 ft	Perforated
9,258–9,328 ft	Perforated
9,892–9,915 ft	Perforated

Casing (6)

Size	Set Depth	Cement
10.75"	726 ft	590 sx
7.625"	8,173 ft	837 sx
2.875"	8,598 ft	—
2.5"	8,620 ft	—
5"	10,260 ft	365 sx
4.5"	10,260 ft	—

Permit History (4)

#649922 Recompletion

L. WINCH STATE · 10,000 ft

2007-12-21

#167285 Recompletion Final Completion

WINCH, L. STATE · 10,270 ft

1982-07-27

#116494 Recompletion Final Completion

L. WINCH STATE · 9,800 ft

1981-04-30

#76809 Drill Final Completion

WINCH, L. -STATE · 10,270 ft

1980-04-01

Applications (4)

#649922 A WHITE OAK OPERATING COMPANY LLC

received 2007-11-19

#167285 A FOREST OIL CORP.

received 1982-07-27

#116494 A FOREST OIL CORP.

received 1981-04-30

#76809 A FOREST OIL CORP.

received 1980-04-01

Records & Logs

4 completion filings on record.

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

W-2/G-1 1981-07-13

W-2/G-1 1980-09-11

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 WEBB County.

Well Details

Well Number: 4
Max Depth: 10,270 ft
Drill Type: Vertical
County: WEBB
District: 4
Operator: WHITE OAK OPERATING COMPANY LLC

Operator

Name: WHITE OAK OPER CO LLC
Location: HOUSTON
P-5 Status: Delinquent (filed 2023-04-17)
Cum Oil (all leases): 2,789,230 bbl
Cum Gas (all leases): 81,083,685 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits: 101