< leases

BUCHANAN "W"

Oil · District 08 · Lease #33328

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

135k BBL

Cum Gas

426k MCF

casinghead

Wells

1

Production

1993-01 — 2024-01

Peak Month

2001-04

Production History

Cum Oil: 135,237 BBL Cum Gas: 426,469 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

855 BBL/mo

Di (annual)

7.0%

b-factor

0.0

EUR

141,555 BBL

R-squared

0.689

type

exponential

Operator History (from monthly production reports)

2021-06 — 2026-01 PIONEER NATURAL RES. USA, INC. 56 mo
2019-06 — 2021-05 DE3 OPERATING LLC 24 mo
2008-08 — 2019-05 PARSLEY ENERGY OPERATIONS, LLC 130 mo
2003-12 — 2008-07 MOMENTUM ENERGY CORPORATION 56 mo
2002-09 — 2003-11 MOMENTUM ENERGY, LLC 15 mo
2000-11 — 2002-08 PARKER & PARSLEY ACQ. GROUP LLC 22 mo
1997-09 — 2000-10 PIONEER NATURAL RES. USA, INC. 38 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
142-329-32474PIONEER NATURAL RES. USA INC.19,0001991-11-19