COWDEN -C-

Oil // district 10 // lease#29825

op: KEYSTONE ENERGY OIL & GAS, INC.

fields: HENDRICK

cum_oil

7k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 1998-08

peak_month

1993-04

-- production_history

cum_oil: 6,565 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

142 BBL/mo

Di (annual)

15.4%

b-factor

0.0

EUR

10,964 BBL

R-squared

0.805

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MIDLAND ENERGY, INC. - KEYSTONE13,1001985-02-19
2MIDLAND ENERGY, INC. - KEYSTONE13,1001985-02-19
3MIDLAND ENERGY, INC. - KEYSTONE13,1001985-02-19
EOF // multi-state drilling data platform // 2026