CUMMINS

Oil · District 08 · Lease #18601

Operator: TUMBLEWEED ENERGY LIMITED

Cum Oil

28k BBL

Cum Gas

121k MCF

casinghead

Wells

2

Production

1993-01 — 2016-07

Peak Month

1997-05

Production History

Cum Oil: 27,998 BBL Cum Gas: 120,707 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

258 BBL/mo

Di (annual)

16.6%

b-factor

0.2

EUR

22,775 BBL

R-squared

0.644

type

hyperbolic

Operator History (from monthly production reports)

2016-11 — 2017-04 CAPSTONE NATURAL RES II, LLC 6 mo
2014-04 — 2016-10 BVX OPERATING, INC. 31 mo
1998-01 — 2014-03 TUMBLEWEED ENERGY LIMITED 195 mo
1995-04 — 1997-12 TUMBLEWEED ENERGY COMPANY 33 mo
1993-01 — 1995-03 ST. CLAIR ENERGY CORPORATION 27 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2RAPTOR RESOURCES, INC.39,0002017-04-24
1RAPTOR RESOURCES, INC.15,6842017-03-10