MABEE 11

Oil · District 08 · Lease #41470

Operator: PIEDRA OPERATING, LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

85k BBL

Cum Gas

234k MCF

casinghead

Wells

2

Production

2011-07 — 2024-04

Peak Month

2012-06

Production History

Cum Oil: 84,748 BBL Cum Gas: 234,007 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,632 BBL/mo

Di (annual)

31.4%

b-factor

0.2

EUR

77,701 BBL

R-squared

0.731

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

2011-07 — 2014-03 PIEDRA OPERATING, LLC 33 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-317-37357	OVINTIV USA INC.	1	12,500	2011-11-22
1	42-317-36497	OVINTIV USA INC.	1	11,500	2010-12-15