WINDHAM 11B

Oil · District 08 · Lease #49065

Operator: OVINTIV USA INC.

Cum Oil

350k BBL

Cum Gas

577k MCF

casinghead

Wells

1

Production

2017-05 — 2026-04

Peak Month

2017-06

Production History

Cum Oil: 350,268 BBL Cum Gas: 576,757 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

14,178 BBL/mo

Di (annual)

100.2%

b-factor

0.6

EUR

381,526 BBL

R-squared

0.845

type

hyperbolic

Operator History (from monthly production reports)

2020-02 — 2026-07 OVINTIV USA INC. 78 mo
2017-05 — 2020-01 ENCANA OIL & GAS(USA) INC. 33 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HFOVINTIV USA INC.19,2002017-02-27