Halliburton Energy Services, Inc.

Ian Phillips

Clark E Robison

Harold Kent Beck

Elbert Juan Smith

Arthur Isadore Burke

Tance Jackson

Tommy Frank Grigsby

William Launey Vidrine

Alan Tancel Jackson

An apparatus and method of installing a casing string in a borehole, the apparatus comprising a propulsion system movable through the borehole; the propulsion system comprising an attachment member; and the attachment member being engagable with the casing string causing the casing string to move with the propulsion system through the borehole. The apparatus further including a conduit for circulating fluids through the propulsion system to provide the power to move the propulsion system. The propulsion system may also be disposable.

Apparatus and methods for installing casing in a borehole

A system of downhole communication and control is provided in methods and associated apparatus for data retrieval, monitoring and tool actuation. In a described embodiment, an item of equipment installed in a tubular string has a first communication device associated therewith. A tool conveyed into the tubular string has a second communication device therein. Communication is established between the first and second devices. Such communication may be utilized to control operation of the tool, retrieve status information regarding the item of equipment, supply power to the first device and/or identify the item of equipment to the tool.

Methods and associated apparatus for downhole data retrieval, monitoring and tool actuation

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Aberdeen, United Kingdom

Ian Phillips