Armored flat cable signalling and instrument power acquisition

Details Armored flat cable signalling and instrument power acquisition Armored flat cable signalling and instrument power acquisition

2007-12-17

2011-11-08

Thompson, Kenneth L (Department: 3676)

Wells

Processes

Producing the well

C166S066400, C166S105000, C340S854800

Reexamination Certificate

active

08051912

ABSTRACT:
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.

REFERENCES:
patent: 1862613 (1932-06-01), Tomoda
patent: 5521592 (1996-05-01), Veneruso
patent: 6167965 (2001-01-01), Bearden et al.
patent: 6873267 (2005-03-01), Tubel et al.
patent: 7084534 (2006-08-01), Ohishi
patent: 7170424 (2007-01-01), Vinegar et al.
patent: 356087864 (1981-07-01), None

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