HOLT RANCH

Oil // district 10 // lease#33520

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

cum_oil

661k BBL

cum_gas

0 MCF

wells

5

production

1993-01 — 2026-03

peak_month

1994-01

-- production_history

cum_oil: 661,059 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

10,467 BBL/mo

Di (annual)

21.6%

b-factor

0.0

EUR

581,535 BBL

R-squared

0.711

type

exponential

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2REEF EXPLORATION, INC. (A-1)214,0001996-04-24
2RREEF EXPLORATION, INC. (A-1)214,0001996-04-24
2 AREEF EXPLORATION, INC. (A-1)112,5001995-04-21
3REEF EXPLORATION, INC. (A-1)113,5001993-08-26
1REEF EXPLORATION, INC. (A-1)113,5001992-03-06
EOF // data source: Texas Railroad Commission // 2026