BLACKTAIL UNIT

Oil · District 03 · Lease #23474

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

64k BBL

Cum Gas

33k MCF

casinghead

Wells

1

Production

1998-02 — 1998-07

Peak Month

1998-02

Production History

Cum Oil: 64,208 BBL Cum Gas: 33,224 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

18,257 BBL/mo

Di (annual)

416.7%

b-factor

0.0

EUR

53,105 BBL

R-squared

0.675

type

exponential

Operator History (from monthly production reports)

1998-02 — 1998-11 UNION PACIFIC RESOURCES COMPANY 10 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WILDFIRE ENERGY OPERATING LLC18,0001997-11-26