DUGGER "A"

Oil · District 11 · Lease #65866

Operator: ROBERTSON RESOURCES, INC.

Cum Oil

143k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2026-03

Peak Month

1993-01

Production History

Cum Oil: 143,324 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

605 BBL/mo

Di (annual)

4.3%

b-factor

0.3

EUR

166,417 BBL

R-squared

0.784

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MINERAL DEVELOPMENT, INC.111,0001986-05-14
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