ALEXANDER

Oil // district 13 // lease#28459

op: REEF EXPLORATION, INC. (A-1)

cum_oil

43k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 1997-07

peak_month

1993-09

-- production_history

cum_oil: 43,057 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,357 BBL/mo

Di (annual)

302.0%

b-factor

1.2

EUR

64,727 BBL

R-squared

0.978

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1REEF EXPLORATION, INC. (A-1)29,0001992-06-24
EOF // data source: Texas Railroad Commission // 2026