LONG 14A

Oil // district 10 // lease#42539

op: SM ENERGY COMPANY

cum_oil

151k BBL

cum_gas

0 MCF

wells

3

production

2012-04 — 2026-03

peak_month

2012-08

-- production_history

cum_oil: 151,347 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

7,594 BBL/mo

Di (annual)

140.5%

b-factor

0.5

EUR

126,167 BBL

R-squared

0.897

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3MIDLAND OIL AND GAS, INC.110,5002012-11-02
2MIDLAND OIL AND GAS, INC.111,3002012-04-13
1MIDLAND OIL AND GAS, INC.110,5002011-11-10
EOF // data source: Texas Railroad Commission // 2026