VOGTSBERGER, AUGUST

Oil · District 13 · Lease #15820

Operator: COBRA OIL & GAS CORPORATION

Cum Oil

221k BBL

Cum Gas

0 MCF

Wells

4

Production

1993-01 — 2026-03

Peak Month

1993-10

Production History

Cum Oil: 220,993 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,553 BBL/mo

Di (annual)

9.5%

b-factor

0.2

EUR

229,142 BBL

R-squared

0.926

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10COBRA OIL & GAS CORPORATION15,4001985-01-25
11COBRA OIL & GAS CORPORATION15,4001985-01-22
9COBRA OIL & GAS CORPORATION15,4001984-04-27
842-009-03345--------
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