E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
259/31, 259/40,
E21B 33/13 (2006.01) E02D 3/12 (2006.01) E02D 5/46 (2006.01)
Patent
CA 1258067
ABSTRACT A method and device for properly mixing stabilizing chemicals into earthen formations. A helical blade of one or more convolutions is attached to a hollow torque tube and rotated down into the soil. As the device is rotated through the soil to be stabilized, chemicals are pumped down the torque tube, out the device, and then mixed into a soil column by the rotating action of the device.
492478
Gibson James B.
Reed Marion G.
Chevron Research And Technology Company
Smart & Biggar
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