JOST 25A

Oil · District 08 · Lease #42862

Operator: OVINTIV USA INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

45k BBL

Cum Gas

108k MCF

casinghead

Wells

2

Production

2012-06 — 2026-04

Peak Month

2014-01

Production History

Cum Oil: 44,838 BBL Cum Gas: 108,394 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

533 BBL/mo

Di (annual)

15.8%

b-factor

0.0

EUR

40,278 BBL

R-squared

0.454

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

2012-06 — 2013-12 ATHLON FE OPERATING LLC 19 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-173-35224	OVINTIV USA INC.	1	11,000	2012-08-13
1	42-173-34868	OVINTIV USA INC.	1	11,000	2012-03-21