POWELL 35

Oil · District 7C · Lease #9091

Operator: OVINTIV USA INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

320k BBL

Cum Gas

671k MCF

casinghead

Wells

7

Production

1993-01 — 2026-04

Peak Month

2011-05

Production History

Cum Oil: 319,942 BBL Cum Gas: 670,897 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,659 BBL/mo

Di (annual)

10.1%

b-factor

0.0

EUR

195,444 BBL

R-squared

0.477

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 (7)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
7	42-461-37062	OVINTIV USA INC.	1	12,000	2010-10-29
6	42-461-36373	OVINTIV USA INC.	1	11,000	2009-09-08
5	42-461-34037	OVINTIV USA INC.	1	9,400	2000-04-10
4	42-461-32243	OVINTIV USA INC.	1	9,400	1984-08-23
3	42-461-31849	OVINTIV USA INC.	1	9,400	1981-12-07
2	42-461-31792	OVINTIV USA INC.	1	9,400	1981-07-21
1	42-461-31738	OVINTIV USA INC.	1	9,500	1981-03-03