MASCARELLA 19

Oil · District 08 · Lease #42506

Operator: OVINTIV USA INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

52k BBL

Cum Gas

188k MCF

casinghead

Wells

2

Production

2012-02 — 2025-01

Peak Month

2014-12

Production History

Cum Oil: 52,344 BBL Cum Gas: 188,201 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,136 BBL/mo

Di (annual)

28.0%

b-factor

0.0

EUR

48,629 BBL

R-squared

0.429

type

exponential

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

2012-02 — 2013-12 ATHLON FE OPERATING LLC 23 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
6	42-227-37976	OVINTIV USA INC.	1	9,700	2014-05-30
1	42-227-36838	OVINTIV USA INC.	2	10,200	2011-12-08