Boring or penetrating the earth – With signaling – indicating – testing or measuring – Indicating – testing or measuring a condition of the formation
Patent
1986-12-15
1988-01-05
Suchfield, George A.
Boring or penetrating the earth
With signaling, indicating, testing or measuring
Indicating, testing or measuring a condition of the formation
73155, 166 66, 166250, E21B 4900
Patent
active
047169737
ABSTRACT:
A method is presented for evaluation of formation invasion and formation permeability by conducting a series of formation resistivity loggings in the operation of a measurement while drilling (MWD) logging system.
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patent: 2978634 (1961-04-01), Arps
patent: 3115942 (1963-12-01), Arps
patent: 3237094 (1966-02-01), Blackburn et al.
patent: 3306102 (1967-02-01), LeBourg
patent: 4420975 (1983-12-01), Nagel et al.
Suchfield George A.
Teleco Oilfield Services Inc.
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