BIRK

Oil // district 13 // lease#15516

op: STEPHENS & JOHNSON OPERATING CO.

fields: K-M-A

cum_oil

14k BBL

cum_gas

0 MCF

wells

11

production

1993-01 — 2026-03

peak_month

1993-10

-- production_history

cum_oil: 14,283 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

152 BBL/mo

Di (annual)

9.0%

b-factor

0.0

EUR

19,957 BBL

R-squared

0.809

type

exponential

-- wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7HEYDRICK PETROLEUM COMPANY14,2102011-06-27
1042-485-91087--------
1142-485-01681--------
1342-485-91089--------
1W42-485-91081--------
2B42-485-01679--------
3B42-485-91083--------
5BW42-485-14308--------
6BW42-485-12989--------
842-485-91086--------
8W42-485-91086--------
EOF // multi-state drilling data platform // 2026