WINDHAM 11X

Oil · District 08 · Lease #48873

Operator: OVINTIV USA INC.

Cum Oil

1.1M BBL

Cum Gas

2.8M MCF

casinghead

Wells

4

Production

2016-08 — 2026-04

Peak Month

2016-12

Production History

Cum Oil: 1,127,458 BBL Cum Gas: 2,755,082 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

24,454 BBL/mo

Di (annual)

25.6%

b-factor

0.0

EUR

1,147,674 BBL

R-squared

0.633

type

exponential

Operator History (from monthly production reports)

2020-02 — 2026-07 OVINTIV USA INC. 78 mo
2016-08 — 2020-01 ENCANA OIL & GAS(USA) INC. 42 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12HCOVINTIV USA INC.210,3002018-01-26
13HEOVINTIV USA INC.110,3002018-01-26
2HOVINTIV USA INC.19,0652016-06-16
1HOVINTIV USA INC.19,3132016-06-15