METHOD AND APPARATUS FOR LIGHTENING THE LOAD ON A SUBSEA CONDUCTOR PIPE
United States Patent 3434550

Inventors:
Townsend Jr., Robert D.
Publication Date:
03/25/1969
View Patent Images:
Download PDF 3434550 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
MOBIL OIL CORP
Primary Class:
175/5
Other Classes:
175/69, 175/72
International Classes:
E21B7/128; E21B17/01; E21B7/12; E21B17/00; E21C19/00; E21B15/02; E21B7/12
US Patent References:
2923531Drilling




<- Previous Patent (SHOTHOLE DRILLING ME...)   |   Next Patent (BUOYANT CORING APPAR...) ->