|
| US4057118 | 2 Oct 1975 | 8 Nov 1977 | Walker-Neer Manufacturing Co., Inc. | Bit packer for dual tube drilling |
| US4706748 | 10 Sep 1986 | 17 Nov 1987 | IMD Corporation | Pipe scraping device |
| US6302201 | 25 Feb 1998 | 16 Oct 2001 | | Method and apparatus for washing subsea drilling rig equipment and retrieving wear bushings |
| US6886633 | 4 Oct 2002 | 3 May 2005 | Security DBS NV/SA | Bore hole underreamer |
| US6929076 | 13 Mar 2003 | 16 Aug 2005 | Security DBS NV/SA | Bore hole underreamer having extendible cutting arms |
| US7036611 | 22 Jul 2003 | 2 May 2006 | Baker Hughes Incorporated | Expandable reamer apparatus for enlarging boreholes while drilling and methods of use |
| US7308937 | 27 Apr 2006 | 18 Dec 2007 | Baker Hughes Incorporated | Expandable reamer apparatus for enlarging boreholes while drilling and methods of use |
| US7401666 | 8 Jun 2005 | 22 Jul 2008 | Security DBS NV/SA | Reaming and stabilization tool and method for its use in a borehole |
| US7549485 | 30 Nov 2004 | 23 Jun 2009 | Baker Hughes Incorporated | Expandable reamer apparatus for enlarging subterranean boreholes and methods of use |
| US7584811 | 25 Jun 2008 | 8 Sep 2009 | Security DBS NV/SA | Reaming and stabilization tool and method for its use in a borehole |
| US7594552 | 16 Oct 2007 | 29 Sep 2009 | Baker Hughes Incorporated | Expandable reamer apparatus for enlarging boreholes while drilling |
| US7658241 | 19 Apr 2005 | 9 Feb 2010 | Security DBS NV/SA | Underreaming and stabilizing tool and method for its use |
| US7681666 | 19 Oct 2007 | 23 Mar 2010 | Baker Hughes Incorporated | Expandable reamer for subterranean boreholes and methods of use |
| US7721823 | 19 Oct 2007 | 25 May 2010 | Baker Hughes Incorporated | Moveable blades and bearing pads |
| US7882905 | 28 Mar 2008 | 8 Feb 2011 | Baker Hughes Incorporated | Stabilizer and reamer system having extensible blades and bearing pads and method of using same |
| US7900717 | 3 Dec 2007 | 8 Mar 2011 | Baker Hughes Incorporated | Expandable reamers for earth boring applications |
| US7975783 | 28 Aug 2009 | 12 Jul 2011 | Halliburton Energy Services, Inc. | Reaming and stabilization tool and method for its use in a borehole |
| US7997354 | 3 Dec 2007 | 16 Aug 2011 | Baker Hughes Incorporated | Expandable reamers for earth-boring applications and methods of using the same |
| US8020635 | 30 Mar 2010 | 20 Sep 2011 | Baker Hughes Incorporated | Expandable reamer apparatus |
| US8028767 | 28 Jan 2009 | 4 Oct 2011 | Baker Hughes, Incorporated | Expandable stabilizer with roller reamer elements |
| US8047304 | 15 Mar 2010 | 1 Nov 2011 | Baker Hughes Incorporated | Expandable reamer for subterranean boreholes and methods of use |
| US8196679 | 1 Sep 2011 | 12 Jun 2012 | Baker Hughes Incorporated | Expandable reamers for subterranean drilling and related methods |
| US8205689 | 1 May 2009 | 26 Jun 2012 | Baker Hughes Incorporated | Stabilizer and reamer system having extensible blades and bearing pads and method of using same |
| US8215418 | 19 Aug 2011 | 10 Jul 2012 | Baker Hughes Incorporated | Expandable reamer apparatus and related methods |