O'NEIL "4"

Oil · District 08 · Lease #41075

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

202k BBL

Cum Gas

99k MCF

casinghead

Wells

4

Production

2011-03 — 2026-04

Peak Month

2014-04

Production History

Cum Oil: 201,910 BBL Cum Gas: 99,499 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,127 BBL/mo

Di (annual)

24.4%

b-factor

0.0

EUR

153,604 BBL

R-squared

0.717

type

exponential

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

2011-03 — 2017-05 PIONEER NATURAL RES. USA, INC. 75 mo

Wells (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4	42-317-39047	OVINTIV USA INC.	1	11,371	2013-11-15
3	42-317-38615	OVINTIV USA INC.	1	12,100	2013-04-12
2	42-317-36909	OVINTIV USA INC.	1	11,200	2011-06-09
1	42-317-36301	OVINTIV USA INC.	1	11,100	2010-09-29