YORK 'A'

Oil · District 3 · Lease #22021

Operator: UNION PACIFIC AUSTIN CHALK CO.

Cum Oil

144k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2026-03

Peak Month

2005-08

Production History

Cum Oil: 144,231 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

3,541 BBL/mo

Di (annual)

103.5%

b-factor

0.7

EUR

107,883 BBL

R-squared

0.663

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2GEMINI EXPLORATION COMPANY28,5002005-06-22
2REGEMINI EXPLORATION COMPANY28,5002005-06-22
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