POWELL "C"

Oil · District 7C · Lease #10571

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

44k BBL

Cum Gas

134k MCF

casinghead

Wells

1

Production

1993-01 — 2022-08

Peak Month

1993-11

Production History

Cum Oil: 43,503 BBL Cum Gas: 134,459 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

258 BBL/mo

Di (annual)

6.3%

b-factor

0.0

EUR

47,014 BBL

R-squared

0.744

type

exponential

Operator History (from monthly production reports)

2021-11 — 2026-07 OVINTIV USA INC. 57 mo

1997-09 — 2021-10 PIONEER NATURAL RES. USA, INC. 290 mo

1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo

1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-461-32100	OVINTIV USA INC.	1	10,200	1983-11-18