APPARATUS FOR MEASURING THE FORMATION RESISTIVITY IN EARTH STRATA

Well logging apparatus comprising a number of measuring electrodes (2) e.g. of metal, affixed in interspaced relationship on an earth drill (1) so as to be electrically insulated and serving to determine the electric formation resistivity in the earth strata traversed by the earth drill (1). The dri...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	SORENSEN, KURT INGVARD
Format:	Patent
Sprache:	eng
Schlagworte:	DETECTING MASSES OR OBJECTS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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