MABEE 20

Oil · District 08 · Lease #41957

Operator: PIEDRA OPERATING, LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

139k BBL

Cum Gas

449k MCF

casinghead

Wells

2

Production

2011-08 — 2026-04

Peak Month

2014-10

Production History

Cum Oil: 139,435 BBL Cum Gas: 448,741 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,294 BBL/mo

Di (annual)

28.9%

b-factor

0.1

EUR

105,742 BBL

R-squared

0.678

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

2011-08 — 2014-03 PIEDRA OPERATING, LLC 32 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-317-39139	OVINTIV USA INC.	1	12,500	2013-12-31
1	42-317-36496	OVINTIV USA INC.	1	11,500	2010-12-15