BLALOCK F

Oil · District 10 · Lease #41871

Operator: XTO ENERGY INC.

Cum Oil

81k BBL

Cum Gas

0 MCF

Wells

3

Production

2011-08 — 2026-03

Peak Month

2013-05

Production History

Cum Oil: 80,721 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,428 BBL/mo

Di (annual)

70.9%

b-factor

0.3

EUR

58,468 BBL

R-squared

0.776

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
115BERRY OIL COMP.112,0002012-04-05
113BERRY OIL COMP.212,0002011-06-07
112PIEDRA OPERATING, LLC211,5002011-01-12
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