Underwater christmas tree protector
United States Patent 3063500
US Patent References:
/0695278.html
- - 0695278
Housing for oil or other wells
- - 1521088
Method of making and maintaining wells
- - 1642245
Underwater drilling
- - 2171672
Cap for marine oil wells
- - 2532341
/0695278.html
- - 0695278
Housing for oil or other wells
- - 1521088
Method of making and maintaining wells
- - 1642245
Underwater drilling
- - 2171672
Cap for marine oil wells
- - 2532341
Inventors:
Logan, Campbell F.
Publication Date:
11/13/1962
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Assignee:
Logan, Campbell F.
Primary Class:
Other Classes:
166/96.100, 405/53
International Classes:
E21B33/037; E21B33/03
US Patent References: