HARRELL ESTATE

Oil // district 6 // lease#12820

op: KALOS CORPORATION

cum_oil

67k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2006-08

peak_month

1993-03

-- production_history

cum_oil: 66,522 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,581 BBL/mo

Di (annual)

64.7%

b-factor

0.7

EUR

72,506 BBL

R-squared

0.905

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1KALOS CORP.17,9001990-09-04
EOF // data source: Texas Railroad Commission // 2026