E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/01 (2006.01) G01V 3/30 (2006.01) H01Q 1/00 (2006.01)
Patent
CA 2482384
A composite shell adapted to cover a source or sensor, particularly for subsurface applications. The shell provides transparency to the passage of signals to or from the source or sensor. The shell is adapted with a uniform semi-conductive surface providing a path for electric currents flowing within a subsurface borehole to short near the source or sensor.
Une enveloppe composite apte à couvrir un émetteur ou un récepteur de signaux, particulièrement pour les projections à la base. L'enveloppe assure la transparence du passage des signaux en direction ou en provenance de l'émetteur ou du récepteur. L'enveloppe est adaptée à une surface semi-conductrice uniforme offrant un passage aux courants électriques qui circulent dans le puits d'une projection à la base près de l'émetteur ou du récepteur.
Davydycheva Sofia
Homan Dean M.
Minerbo Gerald N.
Schlumberger Canada Limited
Smart & Biggar
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