Suction-type ocean-floor wellhead
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United States of America Patent
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May 16, 1989
Grant Date -
N/A
app pub date -
May 30, 1986
filing date -
May 30, 1986
priority date (Note) -
Expired
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Abstract
A wellhead apparatus and a method for positioning the apparatus on the ocean floor in combination with means for sinking it into the ocean floor. The wellhead apparatus is equipped with a venturi suction device and a central opening for receiving a well conductor pipe. The apparatus provides a well base structure that is highly stable, capable of taking high vertical and lateral loads, and can be controlled during installation to be either truly plumb or positioned at a predetermined angle relative to the vertical.
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