Cement Slurry Laboratory Testing Better Well Cementing ...
Jul 03, 2016· A combination API oil field cement and micro cement (1:2 to 1:1) (3,2 sg) and for the lowest density probably no H or G cement. You may also need to add medium or fine silica (2,7 sg) depending on depth to prevent strenght retrogression. I have also seen microsilica being used, but that does not count for strenght retrogression. ...