BARNSLEY 26 D

Oil · District 08 · Lease #31711

Operator: WALSH & WATTS, INC.

Fields: SAND HILLS (CLEAR FORK)

Cum Oil

28k BBL

Cum Gas

213k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

2017-04

Production History

Cum Oil: 28,296 BBL Cum Gas: 213,202 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

276 BBL/mo

Di (annual)

21.8%

b-factor

0.2

EUR

18,805 BBL

R-squared

0.729

type

hyperbolic

Operator History (from monthly production reports)

2021-08 — 2026-07 WALSH & WATTS, INC. 60 mo

2016-09 — 2021-07 MAMMOTH EXPLORATION LLC 59 mo

2004-11 — 2016-08 KLM PETROLEUM CORP. 142 mo

1993-01 — 2004-10 TEXAN PETROLEUM CORPORATION 142 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-103-33806	WALSH & WATTS, INC.	1	4,300	1987-06-17