RICHARDS "41A"

Oil · District 08 · Lease #41338

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

21k BBL

Cum Gas

18k MCF

casinghead

Wells

1

Production

2011-05 — 2026-04

Peak Month

2011-11

Production History

Cum Oil: 20,606 BBL Cum Gas: 18,440 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

669 BBL/mo

Di (annual)

143.4%

b-factor

0.8

EUR

17,872 BBL

R-squared

0.836

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

2011-05 — 2017-05 PIONEER NATURAL RES. USA, INC. 73 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-317-36473	OVINTIV USA INC.	1	11,200	2010-12-16