Carbon dioxide fracturing process

Details Carbon dioxide fracturing process Carbon dioxide fracturing process

E - Fixed Constructions

21

B

166/21

E21B 43/26 (2006.01) B62B 1/18 (2006.01) E21B 36/00 (2006.01) E21B 43/267 (2006.01)

Patent

CA 1134258

ABSTRACT OF THE DISCLOSURE There is described a new and improved method of fracturing an underground stratigraphic formation penetrated by a well bore including the steps of pumping a stream of liquified gas into the formation to cause the fracturing thereof and then introducing proppants directly into the stream of liquified gas for injection of the proppants into the fractures. Prior to introducing the proppants into the liquid gas stream, they are cooled and pressurized to the storage temperature and pressure of the liquified gas.

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