BLACK JACK SPRINGS UNIT

Oil // district 3 // lease#26087

op: SOUTHERN BAY OPERATING, L.L.C.

cum_oil

86k BBL

cum_gas

0 MCF

wells

1

production

2011-07 — 2026-03

peak_month

2011-08

-- production_history

cum_oil: 86,357 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

6,941 BBL/mo

Di (annual)

542.9%

b-factor

1.0

EUR

86,286 BBL

R-squared

0.959

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HSOUTHERN BAY OPERATING, L.L.C.117,2002011-03-21
EOF // data source: Texas Railroad Commission // 2026