BUTLER -22-

Oil · District 08 · Lease #32873

Operator: STEPHENS, AUTRY C.

Cum Oil

15k BBL

Cum Gas

177k MCF

casinghead

Wells

1

Production

1993-01 — 2009-01

Peak Month

1994-08

Production History

Cum Oil: 14,548 BBL Cum Gas: 176,673 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

181 BBL/mo

Di (annual)

15.8%

b-factor

0.0

EUR

13,634 BBL

R-squared

0.545

type

exponential

Operator History (from monthly production reports)

2000-09 — 2010-10 ENDEAVOR ENERGY RESOURCES L.P. 122 mo
1998-10 — 2000-08 STEPHENS, AUTRY C. 23 mo
1993-01 — 1998-09 HENRY PETROLEUM CORP. 69 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1322DIAMONDBACK E&P LLC513,5002017-10-04