Method and apparatus for drilling an underwater well
United States Patent 3199613
US Patent References:
Diving apparatus
- - 1785528
Marine salvage device
- - 2355086
Stepped progression borehole camera apparatus
- - 2812697
Kick shoe for wash pipe
- - 2884068
Locating submarine wells and lowering well tools into said wells
- - 3032105
Diving apparatus
- - 1785528
Marine salvage device
- - 2355086
Stepped progression borehole camera apparatus
- - 2812697
Kick shoe for wash pipe
- - 2884068
Locating submarine wells and lowering well tools into said wells
- - 3032105
Inventors:
Malott, Raymond A.
Johnson, Glenn D.
Johnson, Glenn D.
Publication Date:
08/10/1965
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Export Citation:
Assignee:
SHELL OIL CO
Primary Class:
Other Classes:
348/81, 175/231, 348/85, 175/257
International Classes:
E21B41/00