GRAHAM, MARY EST.

Oil · District 13 · Lease #21491

Operator: PETEX

Cum Oil

8k BBL

Cum Gas

0 MCF

Wells

3

Production

1993-01 — 2013-07

Peak Month

1994-08

Production History

Cum Oil: 7,974 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

85 BBL/mo

Di (annual)

11.9%

b-factor

0.0

EUR

8,517 BBL

R-squared

0.489

type

exponential

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3ALLAR CO., THE15,6001982-09-08
2ALLAR CO., THE15,6001981-12-31
1ALLAR CO., THE15,7001981-05-19
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