CASSELMAN, J.

Oil · District 08 · Lease #35460

Operator: FASKEN OIL AND RANCH, LTD.

Cum Oil

14k BBL

Cum Gas

10k MCF

casinghead

Wells

1

Production

1997-08 — 2006-06

Peak Month

1997-10

Production History

Cum Oil: 14,495 BBL Cum Gas: 9,553 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

379 BBL/mo

Di (annual)

67.3%

b-factor

0.9

EUR

21,462 BBL

R-squared

0.637

type

hyperbolic

Operator History (from monthly production reports)

2004-01 — 2013-02 ENDEAVOR ENERGY RESOURCES L.P. 110 mo
1997-08 — 2003-12 FASKEN OIL AND RANCH, LTD. 77 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1410ENDEAVOR ENERGY RESOURCES L.P.211,8001997-08-28