SLAUGHTER "8A"

Oil · District 08 · Lease #40772

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

18k BBL

Cum Gas

24k MCF

casinghead

Wells

1

Production

2010-11 — 2025-04

Peak Month

2011-06

Production History

Cum Oil: 17,591 BBL Cum Gas: 24,413 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

376 BBL/mo

Di (annual)

94.8%

b-factor

1.0

EUR

18,447 BBL

R-squared

0.522

type

hyperbolic

Operator History (from monthly production reports)

2023-06 — 2026-07 OVINTIV USA INC. 38 mo

2017-06 — 2023-05 PETROLEGACY ENERGY II, LLC 72 mo

2010-11 — 2017-05 PIONEER NATURAL RES. USA, INC. 79 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-317-35447	OVINTIV USA INC.	2	11,000	2008-10-06