Oil well casting electrical power pick-off points

A power supply apparatus is provided for supplying power and communications within a first piping structure. An external power transfer device is positioned around the first piping structure and is magnetically coupled to an internal power transfer device. The internal power transfer device is posit...

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Bibliographische Detailangaben

Hauptverfasser:	Vinegar, Harold J, Burnett, Robert Rex, Savage, William Mountjoy, Carl, Jr, Frederick Gordon, Hirsch, John Michele
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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