LAY "A"

Oil · District 08 · Lease #34481

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

72k BBL

Cum Gas

155k MCF

casinghead

Wells

1

Production

1995-06 — 2021-04

Peak Month

2004-03

Production History

Cum Oil: 72,092 BBL Cum Gas: 154,802 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

909 BBL/mo

Di (annual)

15.2%

b-factor

0.0

EUR

71,703 BBL

R-squared

0.821

type

exponential

Operator History (from monthly production reports)

2021-06 — 2026-04 PIONEER NATURAL RES. USA, INC. 59 mo

2018-06 — 2021-05 DE3 OPERATING LLC 36 mo

2011-01 — 2018-05 LEGACY RESERVES OPERATING LP 89 mo

2009-01 — 2010-12 COG OPERATING LLC 24 mo

2001-04 — 2008-12 HENRY PETROLEUM LP 93 mo

1995-11 — 2001-03 HENRY PETROLEUM CORP. 65 mo

1995-06 — 1995-10 PHILLIPS PETROLEUM COMPANY 5 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-329-01322	DE3 OPERATING LLC	2	11,400	1996-04-02