ROCKER B -HH-

Oil · District 7C · Lease #6107

Operator: PARKER & PARSLEY DEVELOPMENT L.P

Cum Oil

63k BBL

Cum Gas

235k MCF

casinghead

Wells

8

Production

1993-01 — 1997-02

Peak Month

1996-12

Production History

Cum Oil: 62,512 BBL Cum Gas: 235,236 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,034 BBL/mo

Di (annual)

318.5%

b-factor

1.6

EUR

177,328 BBL

R-squared

0.832

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 (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7PIONEER NATURAL RES. USA, INC.16,7001995-09-19
8PIONEER NATURAL RES. USA, INC.16,7001995-08-30
5PIONEER NATURAL RES. USA, INC.16,6501994-11-08
6PIONEER NATURAL RES. USA, INC.16,6501994-11-08
142-235-30137PIONEER NATURAL RES. USA, INC.------
242-235-30213PIONEER NATURAL RES. USA, INC.------
342-235-30214PIONEER NATURAL RES. USA, INC.------
442-235-30215PIONEER NATURAL RES. USA, INC.------