TELEMETERING INFORMATION FROM A BOREHOLE TO THE SURFACE

A method and apparatus for telemetering information from the bottom of a borehole to the surface while drilling wherein a wireline is used to transmit the information from the bottom of the borehole to an intermediate position in the drill string, and a special drilling string, having an insulated e...

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Bibliographische Detailangaben
1. Verfasser:	E.B. DENISON
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CURRENT COLLECTORS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ELECTRICITY FIXED CONSTRUCTIONS LINE CONNECTORS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	A method and apparatus for telemetering information from the bottom of a borehole to the surface while drilling wherein a wireline is used to transmit the information from the bottom of the borehole to an intermediate position in the drill string, and a special drilling string, having an insulated electrical conductor, is used to transmit the information from the intermediate position to the surface. In an alternate arrangement, an electro-magnetic method may be used to transmit information from the intermediate position to the surface. There is also disclosed special equipment that permits removal of the jumper wire from the surface without removing the drill string from the borehold.