ROCKER, B -MM-

Oil · District 7C · Lease #6149

Operator: PARKER & PARSLEY DEVELOPMENT L.P

Cum Oil

52k BBL

Cum Gas

375k MCF

casinghead

Wells

8

Production

1993-01 — 1997-03

Peak Month

1995-12

Production History

Cum Oil: 52,311 BBL Cum Gas: 375,386 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,649 BBL/mo

Di (annual)

111.1%

b-factor

2.0

EUR

170,761 BBL

R-squared

0.786

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.16,7001995-04-27
8PIONEER NATURAL RES. USA, INC.16,7001995-04-27
6PIONEER NATURAL RES. USA, INC.16,4501992-07-23
5PIONEER NATURAL RES. USA, INC.16,4501991-08-06
142-235-30172PIONEER NATURAL RES. USA, INC.------
242-235-30174PARKER & PARSLEY DEVELOPMENT L.P------
342-235-30179PIONEER NATURAL RES. USA, INC.------
442-235-30178PIONEER NATURAL RES. USA, INC.------