JPS4919084Y1
(fr)
*
|
1969-11-07 |
1974-05-22 |
|
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JPS58172678A
(ja)
*
|
1982-04-04 |
1983-10-11 |
Mita Ind Co Ltd |
静電写真複写機におけるクリ−ニング装置
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US4616919A
(en)
*
|
1985-09-05 |
1986-10-14 |
International Business Machines Corporation |
Non-contact developer seal
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US5470271A
(en)
*
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1992-01-02 |
1995-11-28 |
Xerox Corporation |
Flexible belt reclaiming
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(en)
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1994-10-14 |
2006-05-02 |
Weatherford / Lamb, Inc. |
Apparatus and method for completing oil and gas wells
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US7100710B2
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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
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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
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1994-10-14 |
2005-03-22 |
Weatherford/Lamb, Inc. |
Closed-loop conveyance systems for well servicing
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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
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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
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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
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1997-09-02 |
2009-03-31 |
Weatherford/Lamb, Inc. |
Positioning and spinning device
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2000-04-17 |
2003-03-25 |
Weatherford/Lamb, Inc. |
Top drive casing system
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2001-05-17 |
2004-06-01 |
Weatherford/Lamb, Inc. |
Apparatus and methods for tubular makeup interlock
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GB9815809D0
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1998-07-22 |
1998-09-16 |
Appleton Robert P |
Casing running tool
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GB2340857A
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1998-08-24 |
2000-03-01 |
Weatherford Lamb |
An apparatus for facilitating the connection of tubulars and alignment with a top drive
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2003-03-05 |
2007-03-20 |
Weatherford/Lamb, Inc. |
Casing running and drilling system
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GB2340859A
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1998-08-24 |
2000-03-01 |
Weatherford Lamb |
Method and apparatus for facilitating the connection of tubulars using a top drive
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GB2340858A
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1998-08-24 |
2000-03-01 |
Weatherford Lamb |
Methods and apparatus for facilitating the connection of tubulars using a top drive
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EP1147287B1
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1998-12-22 |
2005-08-17 |
Weatherford/Lamb, Inc. |
Procedes et materiel de fa onnage et d'assemblage de tuyaux
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1998-12-22 |
2007-03-13 |
Weatherford/Lamb, Inc. |
Downhole filter
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GB2347441B
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1998-12-24 |
2003-03-05 |
Weatherford Lamb |
Apparatus and method for facilitating the connection of tubulars using a top drive
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GB2345074A
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1998-12-24 |
2000-06-28 |
Weatherford Lamb |
Floating joint to facilitate the connection of tubulars using a top drive
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1999-02-25 |
2007-12-25 |
Weatherford/Lamb, Inc. |
Methods and apparatus for wellbore construction and completion
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2002-12-30 |
2005-02-22 |
Weatherford/Lamb, Inc. |
Drilling with concentric strings of casing
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2002-10-11 |
2005-05-24 |
Weatherford/Lamb, Inc. |
Apparatus and methods for drilling with casing
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WO2001046550A1
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1999-12-22 |
2001-06-28 |
Weatherford/Lamb, Inc. |
Trepan destine au forage pendant la descente du tubage
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2000-01-19 |
2006-06-15 |
Vail William B Iii |
Installation of one-way valve after removal of retrievable drill bit to complete oil and gas wells
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GB0008988D0
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2000-04-13 |
2000-05-31 |
Bbl Downhole Tools Ltd |
Drill bit nozzle
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2000-04-13 |
2008-02-26 |
Weatherford/Lamb, Inc. |
Apparatus and methods for drilling a wellbore using casing
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2000-04-17 |
2008-02-05 |
Weatherford/Lamb, Inc. |
Methods and apparatus for handling and drilling with tubulars or casing
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GB0010378D0
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2000-04-28 |
2000-06-14 |
Bbl Downhole Tools Ltd |
Expandable apparatus for drift and reaming a borehole
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GB2365463B
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2000-08-01 |
2005-02-16 |
Renovus Ltd |
Drilling method
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GB0206227D0
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2002-03-16 |
2002-05-01 |
Weatherford Lamb |
Bore-lining and drilling
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2002-07-29 |
2006-02-07 |
Weatherford/Lamb, Inc. |
Adjustable rotating guides for spider or elevator
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2002-12-13 |
2010-06-08 |
Weatherford/Lamb, Inc. |
Retractable joint and cementing shoe for use in completing a wellbore
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2002-12-13 |
2005-05-31 |
Weatherford/Lamb, Inc. |
Apparatus and method of drilling with casing
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2002-10-11 |
2007-12-04 |
Weatherford/Lamb, Inc. |
Wired casing
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2003-01-30 |
2006-10-31 |
Weatherford/Lamb, Inc. |
Single-direction cementing plug
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2003-02-07 |
2011-11-01 |
Weatherford/Lamb, Inc. |
Methods and apparatus for wellbore construction and completion
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GB2414502B
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2003-02-27 |
2007-10-17 |
Weatherford Lamb |
Drill shoe
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GB2433276B
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2003-03-05 |
2007-10-17 |
Weatherford Lamb |
Full bore lined wellbores
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2003-03-05 |
2008-04-22 |
Weatherford/Lamb, Inc. |
Drilling with casing latch
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GB2428059B
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2003-03-05 |
2007-10-10 |
Weatherford Lamb |
Method and apparatus for drilling with casing
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2004-07-30 |
2009-03-17 |
Weatherford/Lamb, Inc. |
Apparatus and methods of setting and retrieving casing with drilling latch and bottom hole assembly
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GB2414759B
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2003-04-04 |
2007-11-07 |
Weatherford Lamb |
Method and apparatus for handling wellbore tubulars
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2003-07-11 |
2010-01-26 |
Weatherford/Lamb, Inc. |
Vessel for well intervention
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2003-10-03 |
2007-09-04 |
Weatherford/Lamb, Inc. |
Method of drilling and completing multiple wellbores inside a single caisson
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2004-05-20 |
2007-10-23 |
Weatherford/Lamb, Inc. |
Casing running head
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GB2424432B
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2005-02-28 |
2010-03-17 |
Weatherford Lamb |
Deep water drilling with casing
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2006-05-12 |
2010-12-28 |
Weatherford/Lamb, Inc. |
Stage cementing methods used in casing while drilling
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2006-05-22 |
2012-10-02 |
Weatherford/Lamb, Inc. |
Methods and apparatus for drilling with casing
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2018-11-29 |
2021-04-06 |
上海丛麟环保科技股份有限公司 |
油桶翻新预处理流水线的运行方法
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