DUFF, A. H. ESTATE 'B'

Oil · District 7C · Lease #13226

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

3k BBL

Cum Gas

111k MCF

casinghead

Wells

1

Production

1993-01 — 2015-12

Peak Month

1999-07

Production History

Cum Oil: 3,319 BBL Cum Gas: 110,681 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

39 BBL/mo

Di (annual)

23.5%

b-factor

0.0

EUR

1,932 BBL

R-squared

0.589

type

exponential

Operator History (from monthly production reports)

2007-09 — 2017-06 TREK RESOURCES, INC. 118 mo
2001-12 — 2007-08 MONTGOMERY PETROLEUM, INC. 69 mo
1996-01 — 2001-11 MJM OIL & GAS, INC. 71 mo
1995-10 — 1995-12 MONTGOMERY PETROLEUM, INC. 3 mo
1993-01 — 1995-09 UNION PACIFIC RESOURCES COMPANY 33 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UNION PACIFIC RESOURCES COMPANY17,0001979-09-11