Method of manufacturing a downhole electrical cable

Details Method of manufacturing a downhole electrical cable Method of manufacturing a downhole electrical cable

1997-11-25

1999-11-02

Lorin, Francis J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Making electrical conductors of indefinite length

156203, 2541343R, B65H 8106

Patent

active

059762853

ABSTRACT:
A method of manufacturing a downhole electrical cable is described. The method comprises arranging an elongate member adjacent to a flat elongate sheet of material, where the length of the elongate member is greater than the length of the flat elongate sheet. The elongate sheet is then formed into a cylindrical shape around the elongate member, and the adjacent longitudinal edges of the cylindrical shape are joined, preferably by seam welding, to form the elongate sheet into a tube with an end of the elongate member adjacent each end of the -tube. Thereafter, an elongate conductor is connected to one end of the elongate member, and the other end of the elongate member is pulled to draw the elongate conductor through the tube until the elongate member is removed from the tube and the elongate conductor is located within the tube. At this final point in the method, an end of the elongate conductor is adjacent each end of the tube.

REFERENCES:
patent: 2286781 (1942-06-01), Abramson et al.
patent: 2360237 (1944-10-01), Kent
patent: 2402172 (1946-06-01), Macy
patent: 2710273 (1955-06-01), Hollingsworth
patent: 2975087 (1961-03-01), Donald
patent: 4090573 (1978-05-01), Rankin

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