08657039 is referenced by 11 patents and cites 229 patents.

A downhole apparatus for engaging a borehole in a subterranean formation includes a tubular body having a longitudinal axis and a first bore, an actuation element having a second bore and is positioned within the first bore of the tubular body, a drilling fluid flow path extending through the first and second bores, and a restriction element trap positioned within the second bore of the actuation element. The actuation element is configured to selectively retain an operable component of the downhole apparatus in an initial position and the restriction element trap is configured for retentively receiving a restriction element. A restriction element trap for use with an actuation element for retentively receiving a restriction element and an expandable reamer apparatus for enlarging a borehole in a subterranean formation are also provided. Further provided is a method of activating a downhole apparatus within a borehole of a subterranean formation.

Title
Restriction element trap for use with an actuation element of a downhole apparatus and method of use
Application Number
11/949405
Publication Number
8657039 (B2)
Application Date
December 3, 2007
Publication Date
February 25, 2014
Inventor
Kevin G Kidder
Carencro
LA, US
Steven R Radford
The Woodlands
TX, US
Agent
TraskBritt
Assignee
Baker Hughes Incorporated
TX, US
IPC
E21B 10/32
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