WINDHAM 14A

Oil · District 08 · Lease #47690

Operator: OVINTIV USA INC.

Cum Oil

824k BBL

Cum Gas

3.5M MCF

casinghead

Wells

5

Production

2016-02 — 2026-04

Peak Month

2016-05

Production History

Cum Oil: 824,442 BBL Cum Gas: 3,462,868 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

16,562 BBL/mo

Di (annual)

27.1%

b-factor

0.0

EUR

732,714 BBL

R-squared

0.617

type

exponential

Operator History (from monthly production reports)

2020-02 — 2026-07 OVINTIV USA INC. 78 mo
2016-02 — 2020-01 ENCANA OIL & GAS(USA) INC. 48 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HEOVINTIV USA INC.210,6052017-03-17
1102EOVINTIV USA INC.29,5592015-10-20
2HLOVINTIV USA INC.29,5592015-10-20
1101EOVINTIV USA INC.29,7642015-10-19
1HJOVINTIV USA INC.29,7642015-10-19