WINDHAM -36-

Oil · District 08 · Lease #39184

Operator: OVINTIV USA INC.

Cum Oil

22k BBL

Cum Gas

36k MCF

casinghead

Wells

2

Production

2009-04 — 2024-08

Peak Month

2021-12

Production History

Cum Oil: 22,123 BBL Cum Gas: 35,569 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

430 BBL/mo

Di (annual)

911.5%

b-factor

1.3

EUR

6,377 BBL

R-squared

0.677

type

hyperbolic

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
2013-09 — 2013-12 ATHLON ENERGY OPERATING LLC 4 mo
2012-11 — 2013-08 ATLANTIC EXPLORATION, LLC 10 mo
2009-04 — 2012-10 ATLANTIC OPERATING, INC. 43 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ATLANTIC OPERATING INC.19,8001983-10-17
2OVINTIV USA INC.19,8001982-10-08