ELKIN NICHOLS UNIT 1

Oil // district 10 // lease#33427

op: WATUSI ENERGY LLC

cum_oil

55k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 55,184 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

587 BBL/mo

Di (annual)

12.6%

b-factor

0.0

EUR

55,696 BBL

R-squared

0.868

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DAVIS & CARR ENERGY CO.211,4001992-02-19
EOF // data source: Texas Railroad Commission // 2026