GRAMMER, J. A.

Oil · District 11 · Lease #67926

Operator: GEOMARK RESOURCES, L.L.C.

Cum Oil

148k BBL

Cum Gas

0 MCF

Wells

1

Production

1998-04 — 2026-03

Peak Month

1999-04

Production History

Cum Oil: 147,967 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

708 BBL/mo

Di (annual)

6.3%

b-factor

0.0

EUR

129,496 BBL

R-squared

0.453

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1GEOMARK RESOURCES, L.L.C.110,9671997-08-05
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