Downhole running tool

Details Downhole running tool Downhole running tool

1997-12-10

2000-04-18

Neuder, William

Wells

Processes

Placing or shifting well part

166383, 166207, 1663331, 1663341, 166240, E21B 2308

Patent

active

060503416

ABSTRACT:
A downhole running tool (10) for use in positioning an item, such as a length of tubing (12) , in a bore comprises a body (11, 22) defining a fluid passage, an arrangement (20, 30) for creating a flow restriction, to create an increase in fluid pressure in the passage, and a fluid actuated retaining member (34) mounted on the body for engaging an item (12) to be carried into a bore on the tool (10). The retaining member (34) is in fluid communication with the body fluid passage above the flow restriction arrangement (20, 30) and is movable to a retracted position to release the item (12) by application of fluid pressure forces.

REFERENCES:
patent: 3669190 (1972-06-01), Sizer et al.
patent: 4273372 (1981-06-01), Sheshtawy
patent: 4913229 (1990-04-01), Hearn
patent: 5170847 (1992-12-01), Mims et al.
patent: 5180010 (1993-01-01), Stout et al.
patent: 5580114 (1996-12-01), Palmer

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