SALPETRO-PENICKA UNIT

Oil · District 03 · Lease #21175

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

8k BBL

Cum Gas

27k MCF

casinghead

Wells

1

Production

1993-01 — 1994-03

Peak Month

1993-01

Production History

Cum Oil: 7,972 BBL Cum Gas: 26,761 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,822 BBL/mo

Di (annual)

494.0%

b-factor

0.0

EUR

4,486 BBL

R-squared

0.811

type

exponential

Operator History (from monthly production reports)

1993-01 — 1994-08 UNION PACIFIC RESOURCES COMPANY 20 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UNION PACIFIC RESOURCES COMPANY211,2001994-03-25