ROSS

Oil · District 08 · Lease #43891

Operator: WALSH & WATTS, INC.

Fields: BLOCK 12

Cum Oil

42k BBL

Cum Gas

97k MCF

casinghead

Wells

1

Production

2013-03 — 2026-04

Peak Month

2013-06

Production History

Cum Oil: 41,871 BBL Cum Gas: 97,003 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

491 BBL/mo

Di (annual)

14.6%

b-factor

0.0

EUR

40,351 BBL

R-squared

0.484

type

exponential

Operator History (from monthly production reports)

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

2017-06 — 2021-07 MAMMOTH EXPLORATION LLC 50 mo

2013-12 — 2017-05 ELK RIVER RESOURCES, LLC 42 mo

2013-11 — 2013-11 BUTLER, KEVIN O. & ASSOC., INC. 1 mo

2013-03 — 2013-10 BULLDOG OPERATING COMPANY 8 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-003-44258	WALSH & WATTS, INC.	1	8,000	2012-05-01