< leases

GRAHAM "B"

Oil · District 08 · Lease #33357

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

68k BBL

Cum Gas

262k MCF

casinghead

Wells

1

Production

1993-01 — 2021-04

Peak Month

1997-08

Production History

Cum Oil: 67,777 BBL Cum Gas: 262,337 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

335 BBL/mo

Di (annual)

5.4%

b-factor

0.0

EUR

69,164 BBL

R-squared

0.598

type

exponential

Operator History (from monthly production reports)

2020-09 — 2023-03 PIONEER NATURAL RES. USA, INC. 31 mo
2019-06 — 2020-08 DE3 OPERATING LLC 15 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
142-329-32485PIONEER NATURAL RES. USA INC.19,0501991-12-03