Packer centralizing device

Details Packer centralizing device Packer centralizing device

1990-04-09

1992-03-03

Melius, Terry L.

Wells

Guide for device or conduit

166179, 1753251, E21B 1710

Patent

active

050924036

ABSTRACT:
This invention concerns a centralizing device for packers intended to be connected to the lower end of a packer and lowered into a producing well, guiding and centralizing said packer within the inside casing, which device consists of a sturdy tubular body (51) provided at its middle with a set of fins (53) which projects outwards from the diameter of said tubular body (51), and divides it (51), that its provided above and below with connecting means (55, 57), at an upper part (59), a middle part (61) surrounded by said set of fins (53), while at a lower part (63) said fins (53) are spaced apart lengthwise and equidistantly, consisting of a longer curved portion (65) of the same outside shape as said tubular body and provided above with straight portions (67) that rise towards the upper part (59) of said tubular body (51) and below with straight portions (69) that drop towards said lower part (63) of such tubular body (51).

REFERENCES:
patent: 2715552 (1955-08-01), Lane
patent: 2794617 (1957-06-01), Yancey
patent: 3419094 (1968-12-01), Bobo
patent: 3999618 (1976-12-01), Farris
patent: 4000549 (1977-01-01), Brumley et al.
patent: 4071101 (1978-01-01), Ford
patent: 4825947 (1989-05-01), Mikolajczyk
patent: 4928762 (1990-05-01), Mamke

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