DEATHERAGE TRUST

Oil · District 11 · Lease #69218

Operator: ROBERTSON RESOURCES, INC.

Cum Oil

38k BBL

Cum Gas

0 MCF

Wells

1

Production

2008-02 — 2026-03

Peak Month

2008-03

Production History

Cum Oil: 38,471 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

250 BBL/mo

Di (annual)

4.1%

b-factor

0.0

EUR

63,416 BBL

R-squared

0.696

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BROOKS, E. B., JR.18,8502007-11-21
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