SLAUGHTER '87B'

Oil · District 08 · Lease #43027

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

150k BBL

Cum Gas

135k MCF

casinghead

Wells

4

Production

2012-06 — 2023-12

Peak Month

2013-03

Production History

Cum Oil: 150,419 BBL Cum Gas: 135,483 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,660 BBL/mo

Di (annual)

42.7%

b-factor

0.1

EUR

145,446 BBL

R-squared

0.896

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

2012-06 — 2017-05 PIONEER NATURAL RES. USA, INC. 60 mo

Wells (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4R	42-317-38913	OVINTIV USA INC.	1	11,150	2013-09-17
3	42-317-38386	OVINTIV USA INC.	1	11,810	2013-01-25
2	42-317-37962	OVINTIV USA INC.	1	11,950	2012-06-21
1	42-317-37603	OVINTIV USA INC.	1	12,100	2012-03-12