POWELL RANCH "18"

Oil · District 08 · Lease #36531

Operator: DEVON SFS OPERATING, INC.

Cum Oil

2k BBL

Cum Gas

199k MCF

casinghead

Wells

1

Production

2000-11 — 2001-05

Peak Month

2000-12

Production History

Cum Oil: 1,687 BBL Cum Gas: 199,471 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

392 BBL/mo

Di (annual)

291.8%

b-factor

0.4

EUR

2,618 BBL

R-squared

0.991

type

hyperbolic

Operator History (from monthly production reports)

2000-11 — 2002-03 DEVON SFS OPERATING, INC. 17 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HIGHPEAK ENERGY HOLDINGS LLC18,3002000-09-19