Method and apparatus for severing well casing in a submarine environment
United States Patent 3378072
US Patent References:
Method of severing and milling a well casing
- - 2690218
Multiple cutting tool
- - 3331439
Casing cutting system
- - 3332492
Method and apparatus for cutting casing in underwater installations
- - 3338305
Method of severing and milling a well casing
- - 2690218
Multiple cutting tool
- - 3331439
Casing cutting system
- - 3332492
Method and apparatus for cutting casing in underwater installations
- - 3338305
Inventors:
Smith, Samuel H.
Publication Date:
04/16/1968
View Patent Images:
Export Citation:
Primary Class:
Other Classes:
166/55.800, 166/361
International Classes:
E21B29/12; E21B29/00