FOSTER "1"

Oil · District 10 · Lease #41916

Operator: THREE RIVERS OPERATING CO II LLC

Cum Oil

145k BBL

Cum Gas

0 MCF

Wells

5

Production

2011-08 — 2026-03

Peak Month

2013-03

Production History

Cum Oil: 144,787 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,908 BBL/mo

Di (annual)

18.7%

b-factor

0.0

EUR

122,456 BBL

R-squared

0.783

type

exponential

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5THREE RIVERS OPERATING CO II LLC113,2502014-04-17
4PIONEER NATURAL RES. USA, INC.112,1002012-08-09
3PIONEER NATURAL RES. USA, INC.112,1002011-12-23
2PIONEER NATURAL RES. USA, INC.213,4152011-08-29
1PIONEER NATURAL RES. USA, INC.112,1002011-03-22
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