PHOENIX DEVELOPMENT COMPANY -A-

Oil // district 3 // lease#5052

op: UPSTREAM PROPERTIES, LLC

fields: MARTHA

cum_oil

28k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2026-03

peak_month

2002-05

-- production_history

cum_oil: 27,699 BBL cum_gas: 0 MCF

-- 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

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2AGRIMES ENERGY COMPANY29,3002000-08-04
142-291-02677--------
EOF // data source: Texas Railroad Commission // 2026