GUITAR 19

Oil // district 10 // lease#42037

op: SM ENERGY COMPANY

cum_oil

146k BBL

cum_gas

0 MCF

wells

4

production

2011-09 — 2026-03

peak_month

2013-08

-- production_history

cum_oil: 146,286 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,988 BBL/mo

Di (annual)

48.6%

b-factor

0.4

EUR

119,561 BBL

R-squared

0.791

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4MIDLAND OIL AND GAS, INC.110,5002012-10-26
3MIDLAND OIL AND GAS, INC.110,5002012-10-24
2MIDLAND OIL AND GAS, INC.110,5002011-11-01
1MIDLAND OIL AND GAS, INC.211,0002011-04-07
EOF // data source: Texas Railroad Commission // 2026