ROBERTSON

Oil · District 9 · Lease #8813

Operator: CHARTER PETROLEUM COMPANY

Cum Oil

122k BBL

Cum Gas

0 MCF

Wells

3

Production

1993-01 — 2026-03

Peak Month

1994-05

Production History

Cum Oil: 121,648 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,317 BBL/mo

Di (annual)

17.9%

b-factor

0.2

EUR

108,299 BBL

R-squared

0.743

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7CROWN EXPLORATION COMPANY16,1001981-08-25
4CROWN EXPLORATION COMPANY16,1001981-06-15
1CROWN EXPLORATION COMPANY16,0001980-11-25
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