ROCKER B -JJ-

Oil · District 7C · Lease #6139

Operator: PARKER & PARSLEY DEVELOPMENT L.P

Cum Oil

9k BBL

Cum Gas

63k MCF

casinghead

Wells

3

Production

1993-01 — 1997-03

Peak Month

1993-04

Production History

Cum Oil: 9,365 BBL Cum Gas: 62,640 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

251 BBL/mo

Di (annual)

93.7%

b-factor

0.4

EUR

5,160 BBL

R-squared

0.732

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 (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5PIONEER NATURAL RES. USA, INC.16,5001988-11-02
142-235-30149PIONEER NATURAL RES. USA, INC.------
442-235-30161PARKER & PARSLEY DEVELOPMENT L.P------