ROCK CREEK

Oil · District 8 · Lease #28882

Operator: CRA-GRO CROP SERVICE, INC.

Cum Oil

48k BBL

Cum Gas

0 MCF

Wells

4

Production

2000-08 — 2026-03

Peak Month

2001-01

Production History

Cum Oil: 47,913 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,172 BBL/mo

Di (annual)

38.8%

b-factor

0.2

EUR

45,190 BBL

R-squared

0.861

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
108TOPCO, INC.34,9002000-12-14
118BANDERA PETROLEUM, INC.11,9502000-11-22
114NORRIS, W. D. I.34,9002000-11-20
105TOPCO, INC.44,8002000-07-05
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