RICHARDSON, J. A.

Oil · District 8A · Lease #12761

Operator: WILLOW CREEK RESOURCES, INC.

Cum Oil

35k BBL

Cum Gas

5k MCF

casinghead

Wells

3

Production

1993-01 — 2003-12

Peak Month

1993-03

Production History

Cum Oil: 34,545 BBL Cum Gas: 5,217 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

420 BBL/mo

Di (annual)

14.4%

b-factor

0.0

EUR

34,984 BBL

R-squared

0.407

type

exponential

Operator History (from monthly production reports)

2000-09 — 2009-01 ENDEAVOR ENERGY RESOURCES L.P. 101 mo
1994-06 — 2000-08 STEPHENS, AUTRY C. 75 mo
1993-07 — 1994-05 WILLOW CREEK RESOURCES, INC. 11 mo
1993-01 — 1993-06 UNION OIL COMPANY OF CALIFORNIA 6 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1RENDEAVOR ENERGY RESOURCES L.P.18,5501994-02-01
242-115-00943ENDEAVOR ENERGY RESOURCES L.P.------
342-115-00944ENDEAVOR ENERGY RESOURCES L.P.------