Apparatus and method for conducting offshore well operations
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United States of America Patent
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-
Sep 1, 1981
Issued Date -
N/A
app pub date -
Oct 17, 1979
filing date -
Apr 24, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus and method for offshore well operations in which a tension leg platform, a multiwell template means, and a riser system are arranged to provide: effective use of the advantages of a tension leg platform, a simplified riser design, and a novel template design which minimizes orientation problems of well equipment at the sea floor. A multiwell template means in which the template frame includes a latch ring member for each well to cooperate with a retrievable guide line base frame having releasable latch members whereby angular or radial orientation of the guide line base frame is not required with respect to the template frame. A retrievable guide line base frame having alignment means thereon and guide posts with guide lines attached thereto.
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