BUTTS, J.B.

Oil · District 04 · Lease #11488

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

2k BBL

Cum Gas

27k MCF

casinghead

Wells

1

Production

1993-01 — 1995-09

Peak Month

1994-05

Production History

Cum Oil: 2,276 BBL Cum Gas: 26,545 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

145 BBL/mo

Di (annual)

111.8%

b-factor

0.0

EUR

1,548 BBL

R-squared

0.787

type

exponential

Operator History (from monthly production reports)

1993-01 — 1996-11 UNION PACIFIC RESOURCES COMPANY 47 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10 DURBAN OIL & GAS GROUP, LLC38,4001989-10-10