1
Steven R Radford, Kelly D Ireland, Robert A Laing, Daryl L Pritchard, James L Overstreet, Greg W Presley, Scott S Shu, Mark E Anderson, Mathias Mueller: Expandable reamer apparatus for enlarging subterranean boreholes and methods of use. Baker Hughes Incorporated, TraskBritt PC, June 23, 2009: US07549485 (31 worldwide citation)

An expandable reamer apparatus and methods for reaming a borehole are disclosed, including at least one laterally movable blade carried by a tubular body selectively positioned at an inward position and an expanded position. The at least one laterally movable blade, held inwardly by at least one bla ...


2
Steven R Radford, Scott S Shu, Les T Shale, Mark E Morris, Mark R Kizziar, Anton F Zahradnik: Expandable reamers for earth-boring applications and methods of using the same. Baker Hughes Incorporated, TraskBritt, August 16, 2011: US07997354 (8 worldwide citation)

Expandable reamer tools include an outer body, a fluid passageway extending through the outer body, and at least one blade configured to slide relative to the outer body between a retracted position and an expanded position in a direction oriented at an acute angle of less than ninety degrees (90°) ...


3
Anton F Zahradnik, Don Q Nguyen, Eric Sullivan, Terry J Koltermann, Aaron J Dick, Scott S Shu: Threaded cone retention system for roller cone bits. Baker Hughes Incorporated, Bracewell & Giuliani, July 12, 2011: US07975779

An apparatus for retaining a roller cone on a bearing pin of a drill bit body that includes a drill bit body; a bearing pin coupled to the drill bit body; a retention member coupled to the bearing pin; a roller cone coupled to the retention member; and a torque transfer member coupled to the retenti ...


4
Steven R Radford, Kelly D Ireland, Robert A Laing, Daryl L Pritchard, James L Overstreet, Greg W Presley, Scott S Shu, Mark E Anderson, Mathias Mueller: Expandable reamer apparatus for enlarging subterranean boreholes and methods of use. Trask Britt, July 7, 2005: US20050145417-A1

An expandable reamer apparatus and methods for reaming a borehole are disclosed, including at least one laterally movable blade carried by a tubular body selectively positioned at an inward position and an expanded position. The at least one movable blade, held inwardly by at least one blade-biasing ...


5
Steven R Radford, Scott S Shu, Les T Shale, Mark E Morris, Mark R Kizziar, Anton F Zahradnik: Expandable reamers for earth-boring applications and methods of using the same. Baker Hughes Incorporated, Trask Britt, June 5, 2008: US20080128174-A1

Expandable reamer tools include an outer body, a fluid passageway extending through the outer body, and at least one blade configured to slide relative to the outer body between a retracted position and an expanded position in a direction oriented at an acute angle of less than ninety degrees (90°) ...


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Steven R Radford, Scott S Shu, Les T Shale, Mark E Morris, Mark R Kizziar, Anton F Zahradnik: Expandable earth-boring wellbore reamers and related methods. Baker Hughes Incorporated, November 3, 2011: US20110266060-A1

Expandable reamer tools include an outer body, a fluid passageway extending through the outer body, and at least one blade configured to slide relative to the outer body between a refracted position and an expanded position in a direction oriented at an acute angle of less than ninety degrees (90°) ...