Mechanical system for diversion in the acidizing treatment of oi

Details Mechanical system for diversion in the acidizing treatment of oi Mechanical system for diversion in the acidizing treatment of oi

1988-03-29

1989-11-21

Massie, IV, Jerome W.

Wells

Processes

Fluid flow causes pellet to block opening in wall of conduit

166193, E21B 33124, E21B 3313

Patent

active

048815993

ABSTRACT:
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 the ball sealers to attain sufficient velocities to be driven mechanically to their targets.

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