OBSIDIAN UNIT

Oil · District 3 · Lease #22925

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

326k BBL

Cum Gas

0 MCF

Wells

1

Production

1995-09 — 2026-03

Peak Month

1995-10

Production History

Cum Oil: 326,295 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

9,480 BBL/mo

Di (annual)

98.8%

b-factor

0.6

EUR

258,566 BBL

R-squared

0.775

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UNION PACIFIC RESOURCES COMPANY111,8001995-07-05
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