LONG 21

Oil · District 08 · Lease #42686

Operator: OVINTIV USA INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

90k BBL

Cum Gas

368k MCF

casinghead

Wells

3

Production

2012-04 — 2025-01

Peak Month

2012-06

Production History

Cum Oil: 90,133 BBL Cum Gas: 368,011 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,708 BBL/mo

Di (annual)

22.3%

b-factor

0.0

EUR

91,732 BBL

R-squared

0.680

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

2014-01 — 2015-01 ATHLON HOLDINGS LP 13 mo

2012-04 — 2013-12 ATHLON FE OPERATING LLC 21 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
6	42-227-38089	OVINTIV USA INC.	1	9,750	2014-07-30
2	42-227-36902	OVINTIV USA INC.	1	11,000	2012-02-28
1	42-227-36893	OVINTIV USA INC.	1	11,000	2012-02-13