COBBLE HRS.

Oil · District 06 · Lease #10040

Operator: WILSON OPERATING SERVICE INC

Fields: RUSK, SOUTH (WOODBINE)

Cum Oil

36k BBL

Cum Gas

38 MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-03

Production History

Cum Oil: 36,062 BBL Cum Gas: 38 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

586 BBL/mo

Di (annual)

22.4%

b-factor

0.0

EUR

31,325 BBL

R-squared

0.397

type

exponential

Operator History (from monthly production reports)

2011-11 — 2026-07 STONER OIL 177 mo

2003-08 — 2011-10 WILSON, DON H., INC. 99 mo

2000-06 — 2003-07 M.B.J. OPERATING 38 mo

1995-07 — 2000-05 WILSON, DON H., INC. 59 mo

1993-01 — 1995-06 WILSON OPERATING SERVICE INC 30 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-073-30306	STONER OIL	1	5,250	1977-12-19