COWDEN, E. F. -A- - -B-

Oil // district 10 // lease#2453

op: R.K.G. OPERATIONS, INC.

fields: HARPER

cum_oil

103k BBL

cum_gas

0 MCF

wells

17

production

1993-01 — 2026-03

peak_month

1996-11

-- production_history

cum_oil: 102,868 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

618 BBL/mo

Di (annual)

25.2%

b-factor

1.1

EUR

81,880 BBL

R-squared

0.651

type

hyperbolic

-- wells (17)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5R. K. G. ENGINEERING, INC.15,7001990-10-17
142-135-02944--------
1242-135-02937--------
1442-135-31115--------
1542-135-31098--------
1642-135-02938--------
1742-135-31112--------
1842-135-30922--------
242-135-31179--------
2142-135-02935--------
2242-135-31113--------
22W42-135-31113--------
2342-135-02934--------
342-135-02945--------
742-135-31148--------
842-135-03322--------
942-135-02941--------
EOF // multi-state drilling data platform // 2026