EXTRA COMPENSATING COILS AS ALTERNATIVE MEANS OF BALANCING INDUCTIVE GROUPS

FIELD: electrical engineering. ^ SUBSTANCE: invention relates to electromagnetic well logging. The device has a holder and at least one group of four coils on the holder. At least one group of the four coils contains: an emitter (412), compensating coil (411), receiver (413) and adjusting coil (414)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CHESSER SKOTT S, SUN' TSZINTSZIN (KAREN), VANDERMEER VILL'JAM B, DAVYDYCHEV ANDREJ I, BARBER TOMAS D, UORD RICHARD D, KHANKA DZHON F, FINCHI BULENT
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS TESTING
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