| 
            
              US4216835A
              (en)
            
            *
            
           | 
          1977-09-07 | 
          1980-08-12 | 
          Nelson Norman A | 
          System for connecting an underwater platform to an underwater floor 
        | 
        
        
          | 
            
              US4227583A
              (en)
            
            *
            
           | 
          1978-11-13 | 
          1980-10-14 | 
          Wirth Maschinen-Und Bohrgerate-Fabrik | 
          Method and apparatus for sinking shafts 
        | 
        
        
          | 
            
              GB2062726B
              (en)
            
            *
            
           | 
          1979-10-25 | 
          1983-10-12 | 
          Fletcher F | 
          Downhole shearers 
      | 
        
        
          | 
            
              US4415047A
              (en)
            
            *
            
           | 
          1980-11-24 | 
          1983-11-15 | 
          Adcock Gerald L | 
          Downhole case driving apparatus for impact drills 
        | 
        
        
          | 
            
              US4651837A
              (en)
            
            *
            
           | 
          1984-05-31 | 
          1987-03-24 | 
          Mayfield Walter G | 
          Downhole retrievable drill bit 
        | 
        
        
          | 
            
              FR2584448B1
              (fr)
            
            *
            
           | 
          1985-07-04 | 
          1988-03-18 | 
          Commissariat Energie Atomique | 
          Procede et installation de forage et de tubage dans un sol 
        | 
        
        
          | 
            
              US4759413A
              (en)
            
            *
            
           | 
          1987-04-13 | 
          1988-07-26 | 
          Drilex Systems, Inc. | 
          Method and apparatus for setting an underwater drilling system 
        | 
        
        
          | 
            
              US4813496A
              (en)
            
            *
            
           | 
          1988-06-01 | 
          1989-03-21 | 
          Vetco Gray Inc. | 
          Drill ahead tool 
        | 
        
        
          | 
            
              CH683860A5
              (de)
            
            *
            
           | 
          1991-11-08 | 
          1994-05-31 | 
          Renfer Heinz | 
          Bohrverfahren und Einrichtung zur Ausübung des Verfahrens. 
        | 
        
        
          | 
            
              FI95618C
              (fi)
            
            *
            
           | 
          1992-12-03 | 
          1998-09-03 | 
          Jorma Jaervelae | 
          Porauslaitteisto 
        | 
        
        
          | 
            
              CA2126904C
              (en)
            
            *
            
           | 
          1994-06-28 | 
          2001-07-17 | 
          Raymond G. Field | 
          Casing drive apparatus 
        | 
        
        
          | 
            
              US7040420B2
              (en)
            
            
            
           | 
          1994-10-14 | 
          2006-05-09 | 
          Weatherford/Lamb, Inc. | 
          Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells 
        | 
        
        
          | 
            
              US7100710B2
              (en)
            
            
            
           | 
          1994-10-14 | 
          2006-09-05 | 
          Weatherford/Lamb, Inc. | 
          Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells 
        | 
        
        
          | 
            
              US7228901B2
              (en)
            
            
            
           | 
          1994-10-14 | 
          2007-06-12 | 
          Weatherford/Lamb, Inc. | 
          Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells 
        | 
        
        
          | 
            
              US7036610B1
              (en)
            
            
            
           | 
          1994-10-14 | 
          2006-05-02 | 
          Weatherford / Lamb, Inc. | 
          Apparatus and method for completing oil and gas wells 
        | 
        
        
          | 
            
              US7147068B2
              (en)
            
            
            
           | 
          1994-10-14 | 
          2006-12-12 | 
          Weatherford / Lamb, Inc. | 
          Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells 
        | 
        
        
          | 
            
              US7013997B2
              (en)
            
            
            
           | 
          1994-10-14 | 
          2006-03-21 | 
          Weatherford/Lamb, Inc. | 
          Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells 
        | 
        
        
          | 
            
              US7108084B2
              (en)
            
            
            
           | 
          1994-10-14 | 
          2006-09-19 | 
          Weatherford/Lamb, Inc. | 
          Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells 
        | 
        
        
          | 
            
              US6868906B1
              (en)
            
            
            
           | 
          1994-10-14 | 
          2005-03-22 | 
          Weatherford/Lamb, Inc. | 
          Closed-loop conveyance systems for well servicing 
        | 
        
        
          | 
            
              GB2304755A
              (en)
            
            *
            
           | 
          1995-09-04 | 
          1997-03-26 | 
          Weatherford Lamb | 
          Casing shoe for oil and gas wells 
        | 
        
        
          | 
            
              DE59508569D1
              (de)
            
            *
            
           | 
          1995-10-09 | 
          2000-08-17 | 
          Baker Hughes Inc | 
          Verfahren und Bohrgerät zum Abteufen von Bohrungen in unterirdische Formationen 
        | 
        
        
          | 
            
              US6196336B1
              (en)
            
            *
            
           | 
          1995-10-09 | 
          2001-03-06 | 
          Baker Hughes Incorporated | 
          Method and apparatus for drilling boreholes in earth formations (drilling liner systems) 
        | 
        
        
          | 
            
              US6106200A
              (en)
            
            *
            
           | 
          1996-11-12 | 
          2000-08-22 | 
          Techmo Entwicklungs-Und Vertriebs Gmbh | 
          Process and device for simultaneously drilling and lining a hole 
        | 
        
        
          | 
            
              CA2271655C
              (en)
            
            *
            
           | 
          1996-11-12 | 
          2006-04-18 | 
          Techmo Entwicklungs- Und Vertriebs Gmbh | 
          Process and device for simultaneously drilling and lining a hole 
      | 
        
        
          | 
            
              US7509722B2
              (en)
            
            
            
           | 
          1997-09-02 | 
          2009-03-31 | 
          Weatherford/Lamb, Inc. | 
          Positioning and spinning device 
        | 
        
        
          | 
            
              US6742596B2
              (en)
            
            
            
           | 
          2001-05-17 | 
          2004-06-01 | 
          Weatherford/Lamb, Inc. | 
          Apparatus and methods for tubular makeup interlock 
        | 
        
        
          | 
            
              US6536520B1
              (en)
            
            
            
           | 
          2000-04-17 | 
          2003-03-25 | 
          Weatherford/Lamb, Inc. | 
          Top drive casing system 
        | 
        
        
          | 
            
              MY119472A
              (en)
            
            *
            
           | 
          1997-12-13 | 
          2005-05-31 | 
          Alwag Tunnelausbau Gmbh | 
          Process and device for drilling and lining of bore-holes 
        | 
        
        
          | 
            
              GB9815809D0
              (en)
            
            
            
           | 
          1998-07-22 | 
          1998-09-16 | 
          Appleton Robert P | 
          Casing running tool 
      | 
        
        
          | 
            
              GB2340858A
              (en)
            
            
            
           | 
          1998-08-24 | 
          2000-03-01 | 
          Weatherford Lamb | 
          Methods and apparatus for facilitating the connection of tubulars using a top drive 
        | 
        
        
          | 
            
              GB2340859A
              (en)
            
            
            
           | 
          1998-08-24 | 
          2000-03-01 | 
          Weatherford Lamb | 
          Method and apparatus for facilitating the connection of tubulars using a top drive 
        | 
        
        
          | 
            
              GB2340857A
              (en)
            
            
            
           | 
          1998-08-24 | 
          2000-03-01 | 
          Weatherford Lamb | 
          An apparatus for facilitating the connection of tubulars and alignment with a top drive 
        | 
        
        
          | 
            
              US7188687B2
              (en)
            
            
            
           | 
          1998-12-22 | 
          2007-03-13 | 
          Weatherford/Lamb, Inc. | 
          Downhole filter 
        | 
        
        
          | 
            
              AU772327B2
              (en)
            
            
            
           | 
          1998-12-22 | 
          2004-04-22 | 
          Weatherford Technology Holdings, Llc | 
          Procedures and equipment for profiling and jointing of pipes 
      | 
        
        
          | 
            
              GB2347441B
              (en)
            
            
            
           | 
          1998-12-24 | 
          2003-03-05 | 
          Weatherford Lamb | 
          Apparatus and method for facilitating the connection of tubulars using a top drive 
        | 
        
        
          | 
            
              GB2345074A
              (en)
            
            
            
           | 
          1998-12-24 | 
          2000-06-28 | 
          Weatherford Lamb | 
          Floating joint to facilitate the connection of tubulars using a top drive 
        | 
        
        
          | 
            
              US6896075B2
              (en)
            
            
            
           | 
          2002-10-11 | 
          2005-05-24 | 
          Weatherford/Lamb, Inc. | 
          Apparatus and methods for drilling with casing 
        | 
        
        
          | 
            
              US7311148B2
              (en)
            
            
            
           | 
          1999-02-25 | 
          2007-12-25 | 
          Weatherford/Lamb, Inc. | 
          Methods and apparatus for wellbore construction and completion 
        | 
        
        
          | 
            
              US6857487B2
              (en)
            
            
            
           | 
          2002-12-30 | 
          2005-02-22 | 
          Weatherford/Lamb, Inc. | 
          Drilling with concentric strings of casing 
        | 
        
        
          | 
            
              EP1222356B1
              (en)
            
            *
            
           | 
          1999-09-21 | 
          2004-11-24 | 
          Shell Internationale Researchmaatschappij B.V. | 
          Method and device for moving a tube in a borehole in the ground 
        | 
        
        
          | 
            
              US7216727B2
              (en)
            
            
            
           | 
          1999-12-22 | 
          2007-05-15 | 
          Weatherford/Lamb, Inc. | 
          Drilling bit for drilling while running casing 
        | 
        
        
          | 
            
              US7334650B2
              (en)
            
            
            
           | 
          2000-04-13 | 
          2008-02-26 | 
          Weatherford/Lamb, Inc. | 
          Apparatus and methods for drilling a wellbore using casing 
        | 
        
        
          | 
            
              US7325610B2
              (en)
            
            
            
           | 
          2000-04-17 | 
          2008-02-05 | 
          Weatherford/Lamb, Inc. | 
          Methods and apparatus for handling and drilling with tubulars or casing 
        | 
        
        
          | 
            
              GB0010378D0
              (en)
            
            
            
           | 
          2000-04-28 | 
          2000-06-14 | 
          Bbl Downhole Tools Ltd | 
          Expandable apparatus for drift and reaming a borehole 
      | 
        
        
          | 
            
              GB2365463B
              (en)
            
            
            
           | 
          2000-08-01 | 
          2005-02-16 | 
          Renovus Ltd | 
          Drilling method 
        | 
        
        
          | 
            
              GB0206227D0
              (en)
            
            
            
           | 
          2002-03-16 | 
          2002-05-01 | 
          Weatherford Lamb | 
          Bore-lining and drilling 
      | 
        
        
          | 
            
              US6994176B2
              (en)
            
            
            
           | 
          2002-07-29 | 
          2006-02-07 | 
          Weatherford/Lamb, Inc. | 
          Adjustable rotating guides for spider or elevator 
        | 
        
        
          | 
            
              US6899186B2
              (en)
            
            
            
           | 
          2002-12-13 | 
          2005-05-31 | 
          Weatherford/Lamb, Inc. | 
          Apparatus and method of drilling with casing 
        | 
        
        
          | 
            
              US7303022B2
              (en)
            
            
            
           | 
          2002-10-11 | 
          2007-12-04 | 
          Weatherford/Lamb, Inc. | 
          Wired casing 
        | 
        
        
          | 
            
              US6953096B2
              (en)
            
            
            
           | 
          2002-12-31 | 
          2005-10-11 | 
          Weatherford/Lamb, Inc. | 
          Expandable bit with secondary release device 
        | 
        
        
          | 
            
              US7128154B2
              (en)
            
            
            
           | 
          2003-01-30 | 
          2006-10-31 | 
          Weatherford/Lamb, Inc. | 
          Single-direction cementing plug 
        | 
        
        
          | 
            
              USRE42877E1
              (en)
            
            
            
           | 
          2003-02-07 | 
          2011-11-01 | 
          Weatherford/Lamb, Inc. | 
          Methods and apparatus for wellbore construction and completion 
        | 
        
        
          | 
            
              CA2516649C
              (en)
            
            
            
           | 
          2003-02-27 | 
          2010-01-19 | 
          Weatherford/Lamb, Inc. | 
          Drill shoe 
      | 
        
        
          | 
            
              US7503397B2
              (en)
            
            
            
           | 
          2004-07-30 | 
          2009-03-17 | 
          Weatherford/Lamb, Inc. | 
          Apparatus and methods of setting and retrieving casing with drilling latch and bottom hole assembly 
        | 
        
        
          | 
            
              US7874352B2
              (en)
            
            
            
           | 
          2003-03-05 | 
          2011-01-25 | 
          Weatherford/Lamb, Inc. | 
          Apparatus for gripping a tubular on a drilling rig 
        | 
        
        
          | 
            
              GB2415722B
              (en)
            
            
            
           | 
          2003-03-05 | 
          2007-12-05 | 
          Weatherford Lamb | 
          Casing running and drilling system 
        | 
        
        
          | 
            
              CA2517978C
              (en)
            
            
            
           | 
          2003-03-05 | 
          2009-07-14 | 
          Weatherford/Lamb, Inc. | 
          Drilling with casing latch 
      | 
        
        
          | 
            
              WO2004079147A2
              (en)
            
            
            
           | 
          2003-03-05 | 
          2004-09-16 | 
          Weatherford/Lamb, Inc. | 
          Method and apparatus for drilling with casing 
        | 
        
        
          | 
            
              CA2517883C
              (en)
            
            
            
           | 
          2003-03-05 | 
          2010-01-12 | 
          Weatherford/Lamb, Inc. | 
          Full bore lined wellbores 
      | 
        
        
          | 
            
              WO2004090279A1
              (en)
            
            
            
           | 
          2003-04-04 | 
          2004-10-21 | 
          Weatherford/Lamb, Inc. | 
          Method and apparatus for handling wellbore tubulars 
        | 
        
        
          | 
            
              US7650944B1
              (en)
            
            
            
           | 
          2003-07-11 | 
          2010-01-26 | 
          Weatherford/Lamb, Inc. | 
          Vessel for well intervention 
        | 
        
        
          | 
            
              US7264067B2
              (en)
            
            
            
           | 
          2003-10-03 | 
          2007-09-04 | 
          Weatherford/Lamb, Inc. | 
          Method of drilling and completing multiple wellbores inside a single caisson 
        | 
        
        
          | 
            
              US6998724B2
              (en)
            
            *
            
           | 
          2004-02-18 | 
          2006-02-14 | 
          Fmc Technologies, Inc. | 
          Power generation system 
        | 
        
        
          | 
            
              US7275605B2
              (en)
            
            *
            
           | 
          2004-03-12 | 
          2007-10-02 | 
          Conocophillips Company | 
          Rotatable drill shoe 
        | 
        
        
          | 
            
              US7284617B2
              (en)
            
            
            
           | 
          2004-05-20 | 
          2007-10-23 | 
          Weatherford/Lamb, Inc. | 
          Casing running head 
        | 
        
        
          | 
            
              EP1619349B1
              (en)
            
            
            
           | 
          2004-07-20 | 
          2008-04-23 | 
          Weatherford/Lamb, Inc. | 
          Top drive for connecting casing 
        | 
        
        
          | 
            
              US8590634B2
              (en)
            
            *
            
           | 
          2004-07-24 | 
          2013-11-26 | 
          Geoprober Drilling Limited | 
          Subsea drilling 
        | 
        
        
          | 
            
              US7694744B2
              (en)
            
            
            
           | 
          2005-01-12 | 
          2010-04-13 | 
          Weatherford/Lamb, Inc. | 
          One-position fill-up and circulating tool and method 
        | 
        
        
          | 
            
              CA2533115C
              (en)
            
            
            
           | 
          2005-01-18 | 
          2010-06-08 | 
          Weatherford/Lamb, Inc. | 
          Top drive torque booster 
      | 
        
        
          | 
            
              GB2437647B
              (en)
            
            
            
           | 
          2006-04-27 | 
          2011-02-09 | 
          Weatherford Lamb | 
          Torque sub for use with top drive 
        | 
        
        
          | 
            
              US7882902B2
              (en)
            
            
            
           | 
          2006-11-17 | 
          2011-02-08 | 
          Weatherford/Lamb, Inc. | 
          Top drive interlock 
        | 
        
        
          | 
            
              NO20076275L
              (no)
            
            *
            
           | 
          2006-12-06 | 
          2008-06-09 | 
          Vetco Gray Inc | 
          Framgangsmate for fôring av en bronn under boring 
        | 
        
        
          | 
            
              ES2417805T3
              (es)
            
            *
            
           | 
          2010-11-03 | 
          2013-08-09 | 
          Valentín RÖHM | 
          Dispositivo colector para una perforación de una fuente de fluido 
        | 
        
        
          | 
            
              WO2015011336A1
              (en)
            
            *
            
           | 
          2013-07-26 | 
          2015-01-29 | 
          Oy Atlas Copco Rotex Ab | 
          Method in putting together of a down-the-hole drilling apparatus and a down-the-hole drilling apparatus 
        | 
        
        
          | 
            
              CN107575240B
              (zh)
            
            *
            
           | 
          2017-09-28 | 
          2023-06-02 | 
          中建交通建设集团有限公司 | 
          焊接连接的盾构机密封始发及接收装置及其操作方法 
        | 
        
        
          | 
            
              CN112901122B
              (zh)
            
            *
            
           | 
          2021-04-02 | 
          2024-10-01 | 
          苏州雷格姆亨瑞能源装备工程有限公司 | 
          水下管汇系统中的平衡机构 
        |