GRIFFIN -A-

Oil · District 08 · Lease #31060

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

33k BBL

Cum Gas

109k MCF

casinghead

Wells

1

Production

1993-01 — 2015-02

Peak Month

1996-12

Production History

Cum Oil: 33,339 BBL Cum Gas: 108,640 MCF

RRC production reported through Apr 2026 · recent months incomplete

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

Operator History (from monthly production reports)

1997-09 — 2018-06 PIONEER NATURAL RES. USA, INC. 250 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA INC.19,5001986-10-14