PHOENIX DEVELOPMENT COMPANY -A-

Oil · District 03 · Lease #5052

Operator: UPSTREAM PROPERTIES, LLC

Fields: MARTHA

Cum Oil

28k BBL

Cum Gas

5k MCF

casinghead

Wells

2

Production

1993-01 — 2015-08

Peak Month

2001-12

Production History

Cum Oil: 27,699 BBL Cum Gas: 5,050 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

378 BBL/mo

Di (annual)

27.0%

b-factor

0.0

EUR

16,751 BBL

R-squared

0.467

type

exponential

Operator History (from monthly production reports)

2018-01 — 2026-07 ALARON ENERGY, INC. 103 mo

2014-03 — 2017-12 RWJ OPERATING LLC 46 mo

2013-12 — 2014-02 MAYFIELD ENERGY, LLC 3 mo

2012-06 — 2013-11 UPSTREAM PROPERTIES, LLC 18 mo

1998-09 — 2012-05 B & G ENERGY CORPORATION 165 mo

1993-01 — 1998-08 OIL WELL BUYERS CORP. 68 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2A	42-291-32296	RWJ OPERATING LLC	2	9,300	2000-08-04
1	42-291-02677	ALARON ENERGY INC.	--	--	--