Title:
Off-shore oil drilling apparatus
United States Patent 3165898
Inventors:
Elliott, Melvin R.
Publication Date:
01/19/1965
Export Citation:
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Assignee:
CONTINENTAL OIL CO
Primary Class:
405/207
Other Classes:
114/261, 114/264
International Classes:
E21B7/12; E21B15/02; E21B7/12; E21B15/00
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US Patent References:
2940266Method of constructing an offshore well drilling island
2857744Support structure
2677935Submarine drilling platform
2669846Submerged well drilling equipment anchoring means
2622404Offshore drilling apparatus and method of installing the same
2187871Underwater drilling