HUNTER -B-

Oil · District 10 · Lease #31227

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

157k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2026-03

Peak Month

2012-08

Production History

Cum Oil: 156,580 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

3,151 BBL/mo

Di (annual)

48.9%

b-factor

0.5

EUR

142,958 BBL

R-squared

0.801

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA, INC.111,3652012-03-12
1PARKER & PARSLEY PETROLEUM CO.19,4251987-02-06
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