ESTHER UNIT

Oil · District 3 · Lease #19810

Operator: UNION PACIFIC AUSTIN CHALK CO.

Cum Oil

162k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2026-03

Peak Month

1998-03

Production History

Cum Oil: 162,004 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,664 BBL/mo

Di (annual)

53.7%

b-factor

0.7

EUR

143,374 BBL

R-squared

0.647

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UNITED OIL & MINERALS, INC.39,5001997-12-29
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