POWELL "30-B

Oil · District 7C · Lease #10875

Operator: OVINTIV USA INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

178k BBL

Cum Gas

460k MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

2012-06

Production History

Cum Oil: 178,330 BBL Cum Gas: 459,510 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,253 BBL/mo

Di (annual)

10.1%

b-factor

0.0

EUR

147,503 BBL

R-squared

0.540

type

exponential

Operator History (from monthly production reports)

2020-02 — 2026-07 OVINTIV USA INC. 78 mo

2015-02 — 2020-01 ENCANA OIL & GAS(USA) INC. 60 mo

2014-05 — 2015-01 ATHLON HOLDINGS LP 9 mo

2003-10 — 2014-04 JM COX RESOURCES, L.P. 127 mo

1993-01 — 2003-09 COX, JOHN L. 129 mo

Wells (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4	42-461-37784	OVINTIV USA INC.	1	12,000	2011-12-09
3	42-461-37168	OVINTIV USA INC.	1	12,000	2011-01-06
2	42-461-32195	OVINTIV USA INC.	1	9,250	1984-05-31
1	42-461-32176	OVINTIV USA INC.	1	9,400	1984-04-16