Remotely controlled maneuverable tool means and method for posit

Details Remotely controlled maneuverable tool means and method for posit Remotely controlled maneuverable tool means and method for posit

1978-04-27

1980-07-29

Purser, Ernest R.

Hydraulic and earth engineering

Diving

Remote control

166349, 166341, 175 7, 294 66A, 405195, E21B 712

Patent

active

042148421

ABSTRACT:
A maneuverable tool means for continuously maneuvering and controlling a pipe string end as it is lowered for engagement with a selected well part at the sea floor. The tool means comprises a body member attachable to the pipe string end, the body member carrying laterally directed thrust means; fluid pressure means in communication with the thrust means to impart thrust forces to the pipe string end and a remote control system for the fluid pressure means. The tool means also includes TV and sonar systems to sense the presence of adjacent objects as the pipe string end is lowered and to identify a well part with which the tool is to be cooperably associated. The tool means is provided with a lock means for temporarily retaining the tool means in a selected position in a guide funnel on a well template to facilitate installation of a guide line base means on the template.

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patent: 3973635 (1976-08-01), Gatlin et al.
patent: 4031544 (1977-06-01), Lapetina

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