HALL-STARK

Oil · District 13 · Lease #20964

Operator: STEPHENS & JOHNSON OPERATING CO.

Cum Oil

24k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2026-03

Peak Month

1997-12

Production History

Cum Oil: 23,549 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

104 BBL/mo

Di (annual)

4.9%

b-factor

0.0

EUR

23,219 BBL

R-squared

0.559

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CIRCLE SEVEN PRODUCTION CO.16,2001980-07-25
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