Underwater wellhead
United States Patent 3378067
US Patent References:
Drilling equipment
- - 2676787
Casing support
- - 3017934
Well tool having pivotally connected tubular sections
- - 3025912
Pivoted tubing well connection
- - 3041090
Method of working over underwater wells
- - 3055429
Drilling equipment
- - 2676787
Casing support
- - 3017934
Well tool having pivotally connected tubular sections
- - 3025912
Pivoted tubing well connection
- - 3041090
Method of working over underwater wells
- - 3055429
Inventors:
Leonard, John R.
Terry, James W.
Terry, James W.
Publication Date:
04/16/1968
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Export Citation:
Assignee:
MOBIL OIL CORP
Primary Class:
Other Classes:
405/224
International Classes:
E21B17/01; E21B17/20; E21B33/035; E21B17/00; E21B33/03