MIDDLETON

Oil · District 08 · Lease #38237

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

56k BBL

Cum Gas

48k MCF

casinghead

Wells

3

Production

2007-03 — 2025-12

Peak Month

2008-01

Production History

Cum Oil: 55,844 BBL Cum Gas: 47,571 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

741 BBL/mo

Di (annual)

31.6%

b-factor

0.6

EUR

55,578 BBL

R-squared

0.729

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

2007-03 — 2017-05 PIONEER NATURAL RES. USA, INC. 123 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4	42-317-34827	OVINTIV USA INC.	1	11,000	2006-12-29
3	42-317-34818	OVINTIV USA INC.	1	11,000	2006-12-21
2	42-317-34776	OVINTIV USA INC.	1	10,700	2006-11-09