VOGTSBERGER, ROBERT -A-

Oil · District 13 · Lease #1279

Operator: COBRA OIL & GAS CORPORATION

Cum Oil

169k BBL

Cum Gas

0 MCF

Wells

3

Production

1993-01 — 2026-03

Peak Month

2000-09

Production History

Cum Oil: 168,841 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

823 BBL/mo

Di (annual)

5.8%

b-factor

0.0

EUR

160,824 BBL

R-squared

0.535

type

exponential

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9COBRA OIL & GAS CORPORATION15,7002006-06-08
8COBRA OIL & GAS CORPORATION15,8001987-02-18
342-009-83720--------
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