Title:
Flexible well tool coupling
United States Patent 3216751
Inventors:
Der, Mott Raymond W.
Application Number:
US19093762A
Publication Date:
11/09/1965
Filing Date:
04/30/1962
Assignee:
SCHLUMBERGER WELL SURV CORP
Primary Class:
Other Classes:
285/235, 285/347, 285/370
International Classes:
E21B41/00
View Patent Images:
US Patent References:
3068946Knuckle joint1962-12-18
3052302Tool carrier with by-pass1962-09-04
2680005Deflecting tool1954-06-01
2345766Deflecting tool1944-04-04
2194267Drilling tool1940-03-19
0203094N/A1878-04-30