Enhancement of flow rates through porous media

Details Enhancement of flow rates through porous media Enhancement of flow rates through porous media

F - Mech Eng,Light,Heat,Weapons

15

D

F15D 1/00 (2006.01) E21B 7/26 (2006.01) E21B 43/00 (2006.01)

Patent

CA 2502800

Especially in loose soils, driving a drive-point apparatus into the ground can create a leakage path in which liquid injected out into the ground tends not to spread laterally but to squirt upwards towards the surface; a packer is provided, to seal between the tube of the drive-point apparatus and the ground material. The prevention of such leakage is especially important when the injection is being done by cyclic pulsing, especially by out-and-back surge-pulsing.

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