H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 5/00 (2006.01) E21B 47/01 (2006.01) E21B 47/12 (2006.01) H01B 9/00 (2006.01) H04B 3/54 (2006.01)
Patent
CA 2513998
Measurement and/or control units located within a borehole are inductively coupled to a flat three phase power cable segment without piercing the armor around the cable. For drawing power from the cable, C-shaped, L-shaped or straight core(s) with winding(s) around at least a portion thereof are positioned proximate to one or both end conductors, outside the armor, with significantly overlapping the center conductor. For impressing or detecting signals on the cable, straight core(s) with winding(s) around at least a portion thereof are disposed on one or both sides of the cable, outside the armor, across all three conductors with the core oriented transverse to the cable conductors.
Baker Hughes Incorporated
Sim & Mcburney
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