Flow controlling apparatus

Details Flow controlling apparatus Flow controlling apparatus

1982-03-17

1984-03-06

Pate, III, William F.

Wells

Means for guiding insertable element laterally of well axis

166332, 166 72, 166313, 166321, 166375, E21B 2303, E21B

Patent

active

044348479

ABSTRACT:
There is disclosed apparatus for controlling flow through both a tubing string suspended within a well bore and the space within the well bore about the tubing string. The illustrated embodiment of the apparatus comprises a body made up of a pair of mandrels and having a first bore therethrough adapted to be connected as part of the tubing string, whereby it may be lowered with the string into the well bore, a second bore therethrough parallel to the first bore for connection at its upper and lower ends with the space about the tubing string, and closure members mounted on the body for opening and closing the first and second bores. The body has first and second pockets therein each having one end opening to the first bore, a first tool is adapted to be run on a wire line through the tubing string and first bore into and out of the first pocket, and a second tool is adapted to be run on a wire line through the tubing string and first bore into and out of the second pocket. More particularly, a fluid responsive mechanism is provided within each of the first and second tools for moving the first and second closure members, respectively, from normally closed to opened positions.

REFERENCES:
patent: 3098526 (1963-07-01), Heron
patent: 3799258 (1974-03-01), Tausch
patent: 3958633 (1976-05-01), Britch et al.
patent: 4325431 (1982-04-01), Akkerman

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