ROWDEN -39-

Oil · District 08 · Lease #31758

Operator: FASKEN OIL AND RANCH, LTD.

Cum Oil

79k BBL

Cum Gas

13k MCF

casinghead

Wells

1

Production

1993-01 — 2000-06

Peak Month

1994-04

Production History

Cum Oil: 79,170 BBL Cum Gas: 13,494 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,764 BBL/mo

Di (annual)

42.1%

b-factor

0.0

EUR

50,281 BBL

R-squared

0.504

type

exponential

Operator History (from monthly production reports)

1996-01 — 2001-01 FASKEN OIL AND RANCH, LTD. 61 mo
1993-01 — 1995-12 FASKEN, BARBARA 36 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1FASKEN OIL AND RANCH LTD.111,1001988-02-12