GRIFFIN -A-

Oil · District 10 · Lease #31060

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

33k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2018-06

Peak Month

2003-04

Production History

Cum Oil: 33,339 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

342 BBL/mo

Di (annual)

33.9%

b-factor

0.0

EUR

12,094 BBL

R-squared

0.815

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PARKER & PARSLEY PETROLEUM CO.19,5001986-10-14
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