KOESTER "A"

Oil // district 13 // lease#28395

op: FARMER OPERATING, LLC

cum_oil

14k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2013-11

peak_month

1993-01

-- production_history

cum_oil: 13,875 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

235 BBL/mo

Di (annual)

63.3%

b-factor

0.8

EUR

12,427 BBL

R-squared

0.401

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BLACK STAR OIL COMPANY15,1001992-08-18
EOF // multi-state drilling data platform // 2026