< leases

GOLLADAY "C-2"

Oil · District 08 · Lease #25499

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

10k BBL

Cum Gas

34k MCF

casinghead

Wells

1

Production

1993-01 — 2000-01

Peak Month

1998-08

Production History

Cum Oil: 9,938 BBL Cum Gas: 33,807 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

162 BBL/mo

Di (annual)

81.1%

b-factor

0.0

EUR

2,386 BBL

R-squared

0.449

type

exponential

Operator History (from monthly production reports)

2000-12 — 2000-12 PARKER & PARSLEY ACQ. GROUP LLC 1 mo
2000-02 — 2000-11 PARKER & PARSLEY OPERATING LLC 10 mo
1999-02 — 2000-01 OGA OPERATING L.L.C. 12 mo
1997-09 — 1999-01 PIONEER NATURAL RES. USA, INC. 17 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-329-30839PARKER & PARSLEY ACQ. GROUP LLC19,3001979-06-19