COOPER -Y-

Oil // district 1 // lease#10989

op: GREAT PLAINS RESOURCES, INC.

fields: SOMERSET

cum_oil

901 BBL

cum_gas

0 MCF

wells

7

production

1993-01 — 2026-03

peak_month

1993-05

-- production_history

cum_oil: 901 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

34 BBL/mo

Di (annual)

45.5%

b-factor

0.0

EUR

860 BBL

R-squared

0.344

type

exponential

-- wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3EL DORADO OIL & GAS INC.12,0001985-11-06
6EL DORADO OIL & GAS INC.12,0001985-11-05
7EL DORADO OIL & GAS INC.12,0001985-11-05
4EL DORADO OIL & GAS INC.12,0001985-10-30
5EL DORADO OIL & GAS INC.12,0001985-10-30
1EL DORADO OIL & GAS INC.12,0001985-10-25
2EL DORADO OIL & GAS INC.12,0001985-10-25
EOF // multi-state drilling data platform // 2026