Oil States Industries (uk) Limited

Oil States Industries Limited

Gordon Neil Wallace

Garry Stephen

Richard Johnston

David Symonds

The integration joint assembly includes an integration joint body () having a through bore (), the body being for connection with a riser system. The integration joint assembly permits a tubular work string () to pass there through such that there is an annulus created between the inner through bore () of the integration joint body () and the outer surface of the tubular work string (). The integration joint body () can also include at least two () and more preferably three sealing devices () within its through bore (). A method of drilling is also described as including the steps of installing an integration joint assembly in a riser string and running a tubular work string () through the through bore () thereof.

Apparatus and method relating to managed pressure drilling

The present invention concerns a connection systemfor a marine drilling riserhaving one or more auxiliary lines, the connection system comprising: a moveable coupling memberhaving at least one first connector and at least one second connector coupled to the at least one first connector, wherein the at least one second connector is adapted for engaging with at least one connector of an auxiliary line of the marine drilling riser The connection system further comprising a control line supportfor fixing at or adjacent an outer surface of the marine drilling riser; a control line supported by the control line support and for attachment to the moveable coupling member; and a tailing line for attachment to the moveable coupling member.

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North Lanarkshire, United Kingdom

Gordon Neil Wallace