MABEE 19

Oil · District 08 · Lease #41515

Operator: PIEDRA OPERATING, LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

111k BBL

Cum Gas

238k MCF

casinghead

Wells

2

Production

2011-04 — 2026-04

Peak Month

2012-07

Production History

Cum Oil: 110,808 BBL Cum Gas: 238,423 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,145 BBL/mo

Di (annual)

38.5%

b-factor

0.3

EUR

94,529 BBL

R-squared

0.775

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

2014-04 — 2015-01 ATHLON HOLDINGS LP 10 mo

2011-04 — 2014-03 PIEDRA OPERATING, LLC 36 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-317-37358	OVINTIV USA INC.	1	12,500	2011-11-23
1	42-317-36453	OVINTIV USA INC.	1	11,500	2010-12-06