ROCKER B -CC-

Oil · District 7C · Lease #6062

Operator: PRIZE OPERATING COMPANY

Cum Oil

13k BBL

Cum Gas

82k MCF

casinghead

Wells

3

Production

1993-01 — 2004-06

Peak Month

1996-12

Production History

Cum Oil: 12,902 BBL Cum Gas: 82,372 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

125 BBL/mo

Di (annual)

11.9%

b-factor

0.0

EUR

12,500 BBL

R-squared

0.428

type

exponential

Operator History (from monthly production reports)

2002-04 — 2006-07 GRUY PETROLEUM MANAGEMENT CO. 52 mo
1999-07 — 2002-03 PRIZE OPERATING COMPANY 33 mo
1997-09 — 1999-06 PIONEER NATURAL RES. USA, INC. 22 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-12 — 1995-02 MIDPAR L.P. 15 mo
1993-01 — 1993-11 GRAHAM ROYALTY, LTD. 11 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5PIONEER NATURAL RES. USA INC.16,6001998-04-01
342-235-30128GRUY PETROLEUM MANAGEMENT CO.------
442-235-30130GRUY PETROLEUM MANAGEMENT CO.------