ROCKER B -DD-

Oil · District 7C · Lease #6078

Operator: PARKER & PARSLEY DEVELOPMENT L.P

Cum Oil

27k BBL

Cum Gas

88k MCF

casinghead

Wells

5

Production

1993-01 — 1997-02

Peak Month

1993-05

Production History

Cum Oil: 26,972 BBL Cum Gas: 88,232 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

732 BBL/mo

Di (annual)

75.0%

b-factor

2.0

EUR

90,456 BBL

R-squared

0.686

type

hyperbolic

Operator History (from monthly production reports)

1995-03 — 1997-09 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 (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5PIONEER NATURAL RES. USA, INC.16,6501989-03-28
142-235-30119PIONEER NATURAL RES. USA, INC.------
242-235-30147PIONEER NATURAL RES. USA, INC.------
342-235-30141PIONEER NATURAL RES. USA, INC.------
442-235-30140PIONEER NATURAL RES. USA, INC.------