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2022
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Invention
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Method of determining a grip coefficient.
This invention relates to a method of determining a gr... |
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Invention
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Method of calculating wellhead system load capacity.
The present invention provides a method of ... |
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2020
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Invention
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Crown plug securement system. A crown plug for a tree of an oil/gas well/wellhead has a securemen... |
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2019
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Invention
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Seal for a well. A pressure energised seal for a wellhead, in particular, provides a seal of an a... |
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Invention
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Improved seal for a well. As shown in Figure 1, the present invention provides a pressure energis... |
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2014
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Invention
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Running tool. The present invention provides a running tool 10 for a casing hanger 12 in which th... |
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Invention
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Running tool. -24- P6656.PC/NAJ 01 September 2014 ABSTRACT Running Tool The present invention pro... |
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P/S
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Metal goods for use in drilling and completing oil and gas
wells and in the production of oil an... |
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2011
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P/S
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Metal goods for use in drilling and completing oil and gas wells and in the production of oil and... |
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Invention
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Securement arrangement for securing casing inside a subsea wellhead. A wellhead securement arrang... |
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Invention
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Subsea wellhead including monitoring apparatus. The present invention provides monitoring means f... |
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Invention
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Subsea wellhead. The present invention provides a wellhead securement arrangement including a fir... |
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Invention
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Clamping arrangement. A mudline connector including a compression adaptor which can be elasticall... |
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Invention
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Clamping arrangement. The present invention provides a mudline connector (10) including a compres... |
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2007
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Invention
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Pipe joint. A joint for joining the ends of two pipes has a socket (or box) on the end of one pip... |
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2004
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Invention
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Self-contained centralizer system. A centralizer assembly for centralizing casing inside a riser ... |
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2003
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Invention
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Externally activated seal system for wellhead. A method and apparatus for a seal assembly for a u... |
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Invention
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Clamping well casings. A clamp for clamping two concentric tubes, typically two concentric tubes ... |
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2002
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Invention
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Pipe joint. A joint for joining the ends of two pipes (12, 14) has a socket (or box) on the end o... |
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1998
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Invention
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Wellhead. In the drilling of a well, a dedicated drilling wellhead (520) mounted at the top of th... |
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Invention
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Washout arrangement for a well. A washout arrangement for a well where a washout process is to ta... |
