RICHARDS "44"

Oil · District 08 · Lease #38633

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

60k BBL

Cum Gas

39k MCF

casinghead

Wells

2

Production

2007-09 — 2026-04

Peak Month

2008-01

Production History

Cum Oil: 60,120 BBL Cum Gas: 38,736 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,197 BBL/mo

Di (annual)

48.3%

b-factor

0.7

EUR

70,342 BBL

R-squared

0.858

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

2007-09 — 2017-05 PIONEER NATURAL RES. USA, INC. 117 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4	42-317-35066	OVINTIV USA INC.	2	11,000	2007-10-15
3	42-317-34788	OVINTIV USA INC.	2	11,000	2006-11-29