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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US40571182 Oct 19758 Nov 1977Walker-Neer Manufacturing Co., Inc.Bit packer for dual tube drilling
US470674810 Sep 198617 Nov 1987IMD CorporationPipe scraping device
US630220125 Feb 199816 Oct 2001Method and apparatus for washing subsea drilling rig equipment and retrieving wear bushings
US68866334 Oct 20023 May 2005Security DBS NV/SABore hole underreamer
US692907613 Mar 200316 Aug 2005Security DBS NV/SABore hole underreamer having extendible cutting arms
US703661122 Jul 20032 May 2006Baker Hughes IncorporatedExpandable reamer apparatus for enlarging boreholes while drilling and methods of use
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US74016668 Jun 200522 Jul 2008Security DBS NV/SAReaming and stabilization tool and method for its use in a borehole
US754948530 Nov 200423 Jun 2009Baker Hughes IncorporatedExpandable reamer apparatus for enlarging subterranean boreholes and methods of use
US758481125 Jun 20088 Sep 2009Security DBS NV/SAReaming and stabilization tool and method for its use in a borehole
US759455216 Oct 200729 Sep 2009Baker Hughes IncorporatedExpandable reamer apparatus for enlarging boreholes while drilling
US765824119 Apr 20059 Feb 2010Security DBS NV/SAUnderreaming and stabilizing tool and method for its use
US768166619 Oct 200723 Mar 2010Baker Hughes IncorporatedExpandable reamer for subterranean boreholes and methods of use
US772182319 Oct 200725 May 2010Baker Hughes IncorporatedMoveable blades and bearing pads
US788290528 Mar 20088 Feb 2011Baker Hughes IncorporatedStabilizer and reamer system having extensible blades and bearing pads and method of using same
US79007173 Dec 20078 Mar 2011Baker Hughes IncorporatedExpandable reamers for earth boring applications
US797578328 Aug 200912 Jul 2011Halliburton Energy Services, Inc.Reaming and stabilization tool and method for its use in a borehole
US79973543 Dec 200716 Aug 2011Baker Hughes IncorporatedExpandable reamers for earth-boring applications and methods of using the same
US802063530 Mar 201020 Sep 2011Baker Hughes IncorporatedExpandable reamer apparatus
US802876728 Jan 20094 Oct 2011Baker Hughes, IncorporatedExpandable stabilizer with roller reamer elements
US804730415 Mar 20101 Nov 2011Baker Hughes IncorporatedExpandable reamer for subterranean boreholes and methods of use
US81966791 Sep 201112 Jun 2012Baker Hughes IncorporatedExpandable reamers for subterranean drilling and related methods
US82056891 May 200926 Jun 2012Baker Hughes IncorporatedStabilizer and reamer system having extensible blades and bearing pads and method of using same
US821541819 Aug 201110 Jul 2012Baker Hughes IncorporatedExpandable reamer apparatus and related methods

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