Mechanical system and process for diversion acidizing...

Details Mechanical system and process for diversion acidizing... Mechanical system and process for diversion acidizing...

E - Fixed Constructions

21

B

166/25

E21B 33/124 (2006.01) E21B 33/13 (2006.01)

Patent

CA 1277228

A B S T R A C T "MECHANICAL SYSTEM FOR DIVERSION IN THE ACIDIZING TREATMENT OF OIL FORMATIONS". The invention concerns a mechanical system which permits the use of ball sealers as diversion agents in the acidizing of productive hydrocarbon formations, by associating the advantages of mechanical diversion to the advantages of the use of ball sealers, whatever their density. The mechanical system comprises a packer (7), a swivel (18), a centralized tail (9), a ball ejection port (10) and two cups (11). The mechanical system operation involves the adequate positioning of each of its components in such a manner as to permit that the ball sealers will attain sufficient velocities to be driven mechanically to their targets.

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