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2013
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Invention
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Valve seat assembly, downhole tool and methods. A circulation tool includes a tubular outer body ... |
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Invention
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Wellbore cleaning method and apparatus. A method of drilling and cleaning a wellbore includes pro... |
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2010
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Invention
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Downhole valve tool and method of use. A downhole isolation valve for testing the integrity of a ... |
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Invention
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Diverter cup assembly. A downhole cleaning tool for cleaning a casing is provided with a diverter... |
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2009
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Invention
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Work string mounted cleaning tool and assembly method. Work string-mounted cleaning tool and a me... |
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Invention
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Downhole tool of high pressure operating cycle capability. A pressurization tool comprises a body... |
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Invention
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Downhole tool of high pressure operating cycle capability. A pressurisation tool comprises a body... |
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Invention
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Drill string mounted rotatable tool and cleaning method. A method of drilling and cleaning a well... |
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Invention
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Improved downhole tool. A cleaning tool (1) for use in cleaning ferrous material from a wellbore ... |
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Invention
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Downhole tool having deformable fastener. A cleaning tool (1) for use in cleaning ferrous materia... |
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Invention
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Dual function cleaning tool. A cleaning tool for cleaning a liner top in a well bore. The tool in... |
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2008
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Invention
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Downhole flow control tool and method. A downhole flow control tool (1), includes a flow control ... |
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Invention
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Ball seat assembly and method of controlling fluid flow through a hollow body. A method of contro... |
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Invention
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Valve seat assembly, downhole tool and methods.
A valve assembly (10), a seal assembly, an index... |
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Invention
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Valve seat assembly, downhole tool and methods. A valve assembly (10), a seal assembly, an indexi... |
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2007
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Invention
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Wellhead seal unit. A wellhead seal unit for sealing a subsea oil and/or gas well at the wellhead... |
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Invention
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Cement evaluation method and tool. The invention relates to a cement evaluation method and tool. ... |
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Invention
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Wellbore cleaning. The invention relates to a wellbore cleaning assembly, wellbore cleaning appar... |
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2006
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Invention
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Wellbore cleaning method and apparatus. This invention relates to well cleaning methods and appar... |
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Invention
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Device and method for retrieving debris from a well. A device (12) is disclosed which is for use ... |
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Invention
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Wellbore cleaning tool and method. There is disclosed a cleaning tool for use in cleaning ferrous... |
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2005
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Invention
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Clamp. A clamp (10) for holding two members (12, 14) together. The first member includes a recess... |
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Invention
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Downhole tool. A downhole tool (10) for use in isolating a formation in a well bore from fluid pr... |
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Invention
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Downhole isolation tool. A downhole tool (10) for use in isolating a formation in a well bore fro... |
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Invention
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Packer with bypass channels. There is disclosed a downhole packer for use in a well bore, and in ... |
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Invention
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Improved packer. There is disclosed a downhole packer for use in a well bore, and in particular, ... |
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Invention
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Valve seat. A ball valve seat (10) is disclosed which provides a temporary seal for a plug (40). ... |
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2004
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Invention
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Downhole connector. A releasable connector (10) for joining tubular members in a well bore. The c... |
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Invention
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Waste solid cleaning. This invention relates to a method and apparatus for removing oil from oil-... |
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Invention
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Circulation tool. A downhole tool (10) for circulating fluid in a well bore. The tool includes an... |
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Invention
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Pressure controlled downhole operations. A method and apparatus for temporarily increasing fluid ... |
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Invention
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Downhole tool. A ball catcher for selectively catching and retaining drop balls in a well bore. T... |
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Invention
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Downhole tool. A downhole tool which can perform a task in a well bore, such as circulating fluid... |
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Invention
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Dual function cleaning tool. A cleaning tool and method of cleaning a liner top in a well bore. T... |
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2003
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Invention
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Multi-cycle downhole tool with hydraulic damping. A downhole tool which includes a locking bar to... |
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2002
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G/S
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Machine tools, namely, power operated downhole tools used for the drilling of oil and gas, namely... |
