BOREHOLE SIGNAL REDUCTION FOR A SIDE-LOOKING NMR LOGGING TOOL USING AN ANTENNA

A side-looking Nuclear Magnetic Resonance ("NMR") logging tool is designed to reduce and/or eliminate a borehole signal. The logging tool includes a magnetic assembly and a radio frequency ("RF") transceiver antenna. The axial extent of the RF transceiver antenna has a length sel...

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Bibliographische Detailangaben
Hauptverfasser:	LI, Lilong, JACHMANN, Rebecca, REIDERMAN, Arcady
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	DETECTING MASSES OR OBJECTS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES 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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Beschreibung
Zusammenfassung:	A side-looking Nuclear Magnetic Resonance ("NMR") logging tool is designed to reduce and/or eliminate a borehole signal. The logging tool includes a magnetic assembly and a radio frequency ("RF") transceiver antenna. The axial extent of the RF transceiver antenna has a length selected to reduce a borehole signal.