Title:
Well cementing tool
United States Patent 2607425


Inventors:
Taylor, Claude C.
Application Number:
US77636447A
Publication Date:
08/19/1952
Filing Date:
09/26/1947
Assignee:
MCGAFFEY TAYLOR CORP
Primary Class:
Other Classes:
166/186, 166/188, 166/290, 166/334.4
International Classes:
E21B33/14; E21B47/10
View Patent Images:
US Patent References:
2569026Well apparatus1951-09-25
2493962Fluid control and by-pass tool1950-01-10
2426164Cementing tool for oil wells1947-08-26
2404876Oil well tool1946-07-30
2402886Oil well device1946-06-25
2360311Cementing tool1944-10-17
2326940Oil well tool1943-08-17
2308072Method of cementing oil wells1943-01-12
2248169Oil well tool1941-07-08