Method for improving the strength of a water-saturated soft soil
Method of drilling and cementing a well using a drilling fluid convertible in place into a settable cement slurry
ApplicationNo. 671627 filed on 03/19/1991
US Classes:166/293, Cement or consolidating material contains inorganic water settable and organic ingredients166/292Using specific materials
ExaminersPrimary: Suchfield, George A.
Foreign Patent References
International ClassesE21B 033/13
AbstractA drilling mud is converted in-situ to a cement by addition of blast furnace slag.