Flow controlling apparatus

Details Flow controlling apparatus Flow controlling apparatus

1982-03-17

1984-08-28

Leppink, James A.

Wells

Means for guiding insertable element laterally of well axis

166313, 166381, E21B 2303, E21B 4312

Patent

active

044678665

ABSTRACT:
There is disclosed apparatus for use in controlling flow within a well bore wherein each of two or more well tubing strings are suspended from the head of the well, and a mandrel connected as a part of each string, in a position spaced vertically of the other mandrel connected to the other string, has a side pocket to one side of its bore to receive a fluid pressure responsive, flow controlling tool which is run into and out of the pocket on a wireline, as well as a second bore which receives a section of the other string for vertical movement with respect to the one string.

REFERENCES:
patent: 2973036 (1961-02-01), Brown
patent: 3874445 (1975-04-01), Terral
patent: 4119146 (1978-10-01), Taylor
patent: 4249599 (1981-02-01), Krause
patent: 4325431 (1982-04-01), Akkerman

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