Downhole cable protection device

Details Downhole cable protection device Downhole cable protection device

2007-10-09

2007-10-09

Bagnell, David (Department: 3672)

Wells

Screens

Strip or rod

C166S227000, C166S241600

Reexamination Certificate

active

10474589

ABSTRACT:
A device for an underground well, typically a petroleum well (1), wherein, in the uncased inflow portion (2, 4, 6) of the well, there is placed an inflow pipe, possibly in the form of a strainer pipe (8) comprising a strainer/perforated outer mantle (16), a main pipe (12) located within and a number of preferably axial spacer strips (18) spaced apart about the external periphery of the main pipe and arranged to support the strainer mantle (16), whereby there are, in the space defined by the strainer mantle (16) and the main pipe (12), channels20between the spacers (18), and in one or more of the channels20, there extends at least one cable, pipe or hose (34, 38).

REFERENCES:
patent: 4096911 (1978-06-01), Geske
patent: 5515915 (1996-05-01), Jones et al.
patent: 6554064 (2003-04-01), Restarick et al.
patent: 6595284 (2003-07-01), Davis
patent: 6681854 (2004-01-01), Danos
patent: 6684951 (2004-02-01), Restarick et al.
patent: 6817410 (2004-11-01), Wetzel et al.
patent: 0 622 523 (1994-11-01), None

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