BALL

Oil · District 8 · Lease #5439

Operator: TANDEM ENERGY CORPORATION

Cum Oil

3k BBL

Cum Gas

0 MCF

Wells

4

Production

1993-01 — 2026-03

Peak Month

1993-01

Production History

Cum Oil: 3,054 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

130 BBL/mo

Di (annual)

72.1%

b-factor

0.0

EUR

2,155 BBL

R-squared

0.440

type

exponential

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3TANDEM ENERGY CORPORATION33,9001999-08-30
4NORTH STAR ENERGY, INC.23,9501990-12-07
101NORTH STAR ENERGY, INC.22,5801987-03-09
1 ANORTH STAR ENERGY, INC.24,0001980-02-07
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