Apparatus for offshore coring
United States Patent 2665885
US Patent References:
/1112498.html
- - 1112498
Method of and apparatus for taking earth cores
- - 2176477
Sample taking device
- - 2181512
Coring device
- - 2252620
/1112498.html
- - 1112498
Method of and apparatus for taking earth cores
- - 2176477
Sample taking device
- - 2181512
Coring device
- - 2252620
Inventors:
Gignoux, John R.
Publication Date:
01/12/1954
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Assignee:
Shell, Dev
Primary Class:
Other Classes:
173/DIG.001
International Classes:
E21B7/124; E21B7/12