STONE. A

Oil // district 13 // lease#8669

op: SLANT OPERATING, LLC

cum_oil

14k BBL

cum_gas

0 MCF

wells

18

production

1993-01 — 2026-03

peak_month

2000-06

-- production_history

cum_oil: 13,852 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

99 BBL/mo

Di (annual)

25.3%

b-factor

0.7

EUR

9,802 BBL

R-squared

0.504

type

hyperbolic

-- wells (18)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
20JOHNSON & ERNST OPERATING CO.19542002-06-27
23JOHNSON & ERNST OPERATING CO.12,0002000-01-24
22BENTLEY, JIM11,0001978-10-03
142-485-87444--------
1142-485-20034--------
1442-485-32348--------
1542-485-32375--------
1642-485-32324--------
1742-485-31949--------
1842-485-30256--------
1942-485-31658--------
242-485-02650--------
2142-485-87453--------
342-485-02651--------
442-485-02652--------
542-485-87448--------
742-485-87449--------
942-485-87450--------
EOF // multi-state drilling data platform // 2026