STEPHENS "8"

Oil · District 10 · Lease #41964

Operator: THREE RIVERS OPERATING CO II LLC

Cum Oil

82k BBL

Cum Gas

0 MCF

Wells

2

Production

2011-11 — 2026-03

Peak Month

2013-01

Production History

Cum Oil: 81,892 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,376 BBL/mo

Di (annual)

31.0%

b-factor

0.4

EUR

84,095 BBL

R-squared

0.669

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA, INC.111,4002011-10-24
1PIONEER NATURAL RES. USA, INC.111,7002011-05-11
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