DARBY FEE

Oil // district 1 // lease#13723

op: SELLERS LEASE SERVICE, INC.

cum_oil

36k BBL

cum_gas

0 MCF

wells

1

production

1993-05 — 2026-03

peak_month

1993-07

-- production_history

cum_oil: 36,076 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

161 BBL/mo

Di (annual)

6.5%

b-factor

0.7

EUR

39,478 BBL

R-squared

0.441

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HEARTLAND RESOURCES, INC.12,5001993-03-23
EOF // multi-state drilling data platform // 2026