Electricity: conductors and insulators – Conduits – cables or conductors – Insulated
Patent
1996-11-05
1999-04-06
Reichard, Dean A.
Electricity: conductors and insulators
Conduits, cables or conductors
Insulated
174102R, H01B 702
Patent
active
058921761
ABSTRACT:
A cable for recording conditions in a well bore, the cable including a tube having a generally smooth outer surface and an inner surface defining an elongated, uninterrupted opening extending throughout the length of the tube, at least one fiber optic, disposed within the opening of the tube, the fiber optic extending the length of the tube, an electrical conductor disposed within the opening of the tube, the electrical conductor extending the length of the tube, and insulating material disposed within the tube, the insulating material encapsulating the fiber optic and electrical conductor so as to form a core, wherein the core is of substantially smaller diameter than the opening to permit thermal expansion of the fiber optic, the conductor and the insulating material. The size of the tube and the core may be selected such that there is an annulus between the inside surface of the tube and the outside surface of the core, the annulus providing a flowpath extending the length of the tube.
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Findlay Mitchell
Pruett Phillip E.
Erickson Don E.
Pruett Phillip E.
Reichard Dean A.
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