HILL

Oil // district 9 // lease#10373

op: KEYSTONE ENERGY OIL & GAS, INC.

cum_oil

19k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2000-06

peak_month

1993-06

-- production_history

cum_oil: 19,373 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

700 BBL/mo

Di (annual)

74.4%

b-factor

0.1

EUR

12,507 BBL

R-squared

0.552

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WYOMING RESOURCES-KEYSTONE19,0001983-07-01
2WYOMING RESOURCES-KEYSTONE19,0001983-07-01
3WYOMING RESOURCES-KEYSTONE19,0001983-07-01
EOF // multi-state drilling data platform // 2026