Inventor
LAING ROBERT A
US17 patents
⚠️ This page may combine multiple inventors who share the name “LAING ROBERT A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
9 patentsUS7395882B2Jul 8, 2008
Casing and liner drilling bits
BAKER HUGHES INC154 citations99
US7308937B2Dec 18, 2007
Expandable reamer apparatus for enlarging boreholes while drilling and methods of use
BAKER HUGHES INC104 citations98
US7036611B2May 2, 2006
Expandable reamer apparatus for enlarging boreholes while drilling and methods of use
BAKER HUGHES INC174 citations98
US7178609B2Feb 20, 2007
Window mill and drill bit
BAKER HUGHES INC67 citations95
US7549485B2Jun 23, 2009
Expandable reamer apparatus for enlarging subterranean boreholes and methods of use
BAKER HUGHES INC47 citations94
US6695080B2Feb 24, 2004
Reaming apparatus and method with enhanced structural protection
BAKER HUGHES INC68 citations94
US8006785B2Aug 30, 2011
Casing and liner drilling bits and reamers
BAKER HUGHES INC24 citations92
US6739416B2May 25, 2004
Enhanced offset stabilization for eccentric reamers
BAKER HUGHES INC46 citations90
US10445841B2Oct 15, 2019
Systems and methods for earth-boring rotary drill bit selection
BAKER HUGHES INC0 citations32
OLDHAM JACK T
5 patentsUS8167059B2May 1, 2012
Casing and liner drilling shoes having spiral blade configurations, and related methods
OLDHAM JACK T8 citations83
US8225888B2Jul 24, 2012
Casing shoes having drillable and non-drillable cutting elements in different regions and related methods
OLDHAM JACK T3 citations73
US8225887B2Jul 24, 2012
Casing and liner drilling shoes with portions configured to fail responsive to pressure, and related methods
OLDHAM JACK T4 citations73
US8205693B2Jun 26, 2012
Casing and liner drilling shoes having selected profile geometries, and related methods
OLDHAM JACK T4 citations73
US8297380B2Oct 30, 2012
Casing and liner drilling shoes having integrated operational components, and related methods
OLDHAM JACK T1 citations62