42-321-00605

Final Completion

THOMASSON, SADIE E.

MATAGORDA County · District 3 · WHITE OAK OPERATING COMPANY LLC

Permits

Max Depth

10,100 ft

First Permit

1980-08-18

Latest Activity

2003-10-23

Lifespan

23 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

KP EXPLORATION, INC. 1993-1993→ UMC PETROLEUM CORPORATION 1993-1995→ LAMAY CORPORATION 1997-1999→ WHITE OAK OPERATING COMPANY LLC 2003-2004→ OAK ENERGY, LLC 2014-2023

Lease Production

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

Formation Tops (8) Elevation 48 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
FRIO	8,301 ft	-8,253 ft
TALCOTT 'A'	8,650 ft	-8,602 ft
TALCOTT 'B' FRIO	8,700 ft	-8,652 ft
TALCOTT B	8,712 ft	-8,664 ft
LAURENCE	8,925 ft	-8,877 ft
HURLOCK	8,936 ft	-8,888 ft
LAURENCE SAND	8,965 ft	-8,917 ft
ROBERTSON	8,965 ft	-8,917 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
8,304–8,308 ft	Perforated
8,708–8,712 ft	Perforated
8,928–8,936 ft	Perforated
8,971–8,975 ft	Perforated
?–8,946 ft	Perforated

Casing (7)

Size	Set Depth	Cement
11.75"	1,265 ft	700 sx
11.75"	1,265 ft	700 sx
7.625"	8,311 ft	1,000 sx
7.625"	8,311 ft	—
2.375"	8,648 ft	—
5.5"	9,059 ft	—
7.625"	9,311 ft	1,000 sx

Permit History (7)

#537786 Recompletion Final Completion

THOMASSON, SADIE E. · 8,780 ft

2003-10-23

Spud 2003-09-12

#537786 Recompletion

THOMASSON, SADIE E. · 8,400 ft

2003-10-23

#470690 Recompletion Final Completion