Method and apparatus for operating equipment in a remote...

G - Physics – 01 – V

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166/46.1

G01V 1/40 (2006.01) E21B 33/035 (2006.01) E21B 33/043 (2006.01) E21B 47/09 (2006.01) E21B 47/18 (2006.01)

Patent

CA 1318244

METHOD AND APPARATUS FOR OPERATING EQUIPMENT IN A REMOTE LOCATION Abstract of the Disclosure An improved method and apparatus for operating or setting equipment within a subsea marine wellhead from the surface having an indicating signal provided at the surface of the successful completion of such operation. The steps of the method include the lowering of a well component and the detecting and transmitting equipment on a running string from the surface; detecting the success- ful completion of the subsea operation, and transmitting to the surface a signal signifying that the operations within the subsea wellhead have been successfully com- pleted. The apparatus includes the running string, the detecting means which may be an acoustic detector or a ferrous metal detector or other suitable detector, a signal transmitter, means for supporting the detector and transmitter on the running string so that the well component can be properly lowered and positioned within the subsea wellhead and its proper landing, sealing or latching or other desired condition signalled to the surface to provide an indication that the operation has been completed.

584296

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