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2024
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Invention
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Downhole cleaning tool and method. A downhole cleaning tool (120) for use in a drilled bore, such... |
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2022
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G/S
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Machines and machine tools for the cutting and forming of materials; Machines and machine tools f... |
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G/S
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Machines and machine tools; machines and machine tools for
use in drilling subterranean and subs... |
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2021
|
Invention
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Downhole sealing. A downhole tool comprises a hollow body having a wall and a port in the wall, a... |
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Invention
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Cleaning tool and method.
A downhole cleaning tool (40) adapted for location in bore-lining tubi... |
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2020
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Invention
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Downhole cutting tool. A downhole cutting tool (13) for perforating a tubular (14) in an oil or g... |
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2019
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Invention
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Disconnect sub. A disconnect sub is connected at one end to a pipe for deployment into a well, wh... |
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Invention
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Method for launching a cleaning element.
A deformable cleaning element is encased within soluble... |
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2017
|
Invention
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Downhole apparatus and methods. Downhole apparatus (30) comprises: a tubular body (42) for incorp... |
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Invention
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Downhole apparatus and methods. (57) Abstract: Downhole apparatus (30) comprises: a tubular body ... |
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2016
|
Invention
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Squeeze packer and method of setting a squeeze packer. A squeeze packer (1) assembly incorporates... |
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Invention
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Downhole tool. An activating device is provided for location in downhole tubing. The device defin... |
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|
Invention
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Downhole sealing and actuation. A downhole tool comprises a hollow body having a wall and a port ... |
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2015
|
Invention
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Downhole tool. A downhole tool comprises a body having a fluid inlet and a fluid outlet and confi... |
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Invention
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Method and apparatus for severing a drill string. A method of severing a drill-string comprises r... |
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|
Invention
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Method for launching a cleaning element. A deformable cleaning element is encased within soluble ... |
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2014
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Invention
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Support device for use in a wellbore and a method for deploying a barrier in a wellbore. A downho... |
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|
Invention
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Drill string check valve. Drill string check valve apparatus comprises a tubular body and a flapp... |
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2013
|
Invention
|
Downhole apparatus. Downhole apparatus comprises first and second tools for location in a tubing ... |
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|
Invention
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Downhole apparatus. Downhole apparatus comprises first (10) and second (12) tools for locat... |
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2012
|
Invention
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Drill string check valve. A drilling method comprising running a drill string (12) part way into ... |
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Invention
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Support device for use in a wellbore and a method for deploying a barrier in a wellbore. The pres... |
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2010
|
Invention
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Downhole tool. A downhole bypass valve comprises a tubular body including a side port and a sleev... |
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Invention
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Downhole material delivery. In a drill string for oil wells and the like a method and apparatus f... |
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Invention
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Downhole material delivery. A method of delivering material, typically lost circulation mat... |
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Invention
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Downhole tool. An activating device (50) is provided for location in downhole tubing. The d... |
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Invention
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Downhole tool. A downhole bypass valve comprises a tubular body (22) including a side port ... |
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2009
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Invention
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Apparatus for use in top filling of tubulars and associated methods. Apparatus (100) for use in t... |
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2008
|
Invention
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Drifting tubing. A method of checking for restrictions in a string of tubing formed of a pluralit... |
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2007
|
Invention
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Top filling tubing. A method of top-filling a drill pipe string comprises injecting fluid into th... |
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2004
|
Invention
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Downhole tool. A downhole tool (10) comprises a body (12) defining a bore. The body includes a va... |
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2003
|
Invention
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Fluid flow switching device. A fluid flow switching device for a drill string comprises a tubular... |
