LAMASTER BROTHERS 66

Oil // district 14 // lease#8734

op: MIDSTATES PETROLEUM COMPANY LLC

cum_oil

80k BBL

cum_gas

0 MCF

wells

2

production

2011-08 — 2026-03

peak_month

2015-02

-- production_history

cum_oil: 80,400 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,281 BBL/mo

Di (annual)

132.6%

b-factor

0.7

EUR

80,073 BBL

R-squared

0.806

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
A 1HCMIDSTATES PETROLEUM COMPANY LLC213,0002014-11-07
2HHOLMES EXPLORATION, LLC110,0002008-01-29
EOF // data source: Texas Railroad Commission // 2026