WINDHAM 36

Oil · District 08 · Lease #44409

Operator: OVINTIV USA INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

222k BBL

Cum Gas

1.9M MCF

casinghead

Wells

3

Production

2013-11 — 2026-04

Peak Month

2025-12

Production History

Cum Oil: 222,327 BBL Cum Gas: 1,854,890 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,671 BBL/mo

Di (annual)

154.0%

b-factor

1.1

EUR

220,389 BBL

R-squared

0.701

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

2013-11 — 2013-12 ATHLON ENERGY OPERATING LLC 2 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
5	42-329-39748	OVINTIV USA INC.	1	11,185	2014-09-24
4	42-329-39403	OVINTIV USA INC.	1	11,150	2014-06-09
3	42-329-38883	OVINTIV USA INC.	1	11,200	2013-08-25