MERTINS, KARL "A"

Oil // district 13 // lease#15443

op: STEPHENS & JOHNSON OPERATING CO.

cum_oil

71k BBL

cum_gas

0 MCF

wells

21

production

1993-01 — 2026-03

peak_month

2012-10

-- production_history

cum_oil: 71,193 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

598 BBL/mo

Di (annual)

87.1%

b-factor

0.7

EUR

21,197 BBL

R-squared

0.774

type

hyperbolic

-- wells (21)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
29JET-STAR CO.12,0002015-04-07
28A2 S OPERATING12,0002012-08-08
26A2 S OPERATING12,0002012-08-07
27A2 S OPERATING12,0002012-05-05
242 S OPERATING12,0002011-05-02
23FIELD PRODUCTION COMPANY11,9002000-05-08
22FIELD PRODUCTION COMPANY11,6001999-11-01
21CAMPBELL, ROBERT F. JR.12,0001991-01-10
142-485-20021--------
1042-485-20026--------
1142-485-91069--------
1242-485-20508--------
1342-485-30432--------
1742-485-31267--------
242-485-20043--------
342-485-91061--------
442-485-21212--------
642-485-20419--------
742-485-20028--------
842-485-20024--------
942-485-20025--------
EOF // multi-state drilling data platform // 2026