PORTLAND OIL UNIT "A"

Oil // district 4 // lease#12958

op: BOPCO, L.P.

cum_oil

15k BBL

cum_gas

0 MCF

wells

1

production

2000-05 — 2026-03

peak_month

2000-08

-- production_history

cum_oil: 15,170 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,288 BBL/mo

Di (annual)

158.8%

b-factor

0.5

EUR

18,949 BBL

R-squared

0.910

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1FORT WORTH OIL & GAS, INC.411,9062000-05-30
EOF // data source: Texas Railroad Commission // 2026