PARALLEL COIL PATHS FOR DOWNHOLE ANTENNAS

A tool that uses antennas to evaluate an environment surrounding a borehole, the tool including an antenna assembly, and the antenna assembly including a body with a longitudinal central axis, and an antenna mounted on the body in a continuous groove comprising a plurality of circumferential portion...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Korovin, Alexei, Prakash, Anand
Format:	Patent
Sprache:	eng
Schlagworte:	ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS DETECTING MASSES OR OBJECTS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ELECTRICITY FIXED CONSTRUCTIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A tool that uses antennas to evaluate an environment surrounding a borehole, the tool including an antenna assembly, and the antenna assembly including a body with a longitudinal central axis, and an antenna mounted on the body in a continuous groove comprising a plurality of circumferential portions and a plurality of transition portions, with each of the circumferential portions being formed in a plane and each of the planes being spaced apart from each other and parallel to each other; and with each of the circumferential portions at least partially extending circumferentially around the body within its respective plane and each of the transition portions transitioning the groove from an end of one of the circumferential portions to an end of an adjacent one of the circumferential portions.