ROCKER B '13'

Oil · District 9 · Lease #14679

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

107k BBL

Cum Gas

0 MCF

Wells

6

Production

1997-10 — 2026-03

Peak Month

2011-12

Production History

Cum Oil: 107,207 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,763 BBL/mo

Di (annual)

53.7%

b-factor

0.4

EUR

64,018 BBL

R-squared

0.814

type

hyperbolic

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9PIONEER NATURAL RES. USA, INC.19,7002011-07-26
6PIONEER NATURAL RES. USA, INC.29,7002011-03-30
8PIONEER NATURAL RES. USA, INC.29,7002010-06-25
4HUGOTON ENERGY CORPORATION17,2001997-10-16
2HUGOTON ENERGY CORPORATION17,2001997-08-27
3HUGOTON ENERGY CORPORATION17,2001997-08-27
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