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Oil and Gas Production with Downhole Separation and Compression of Gas

Abstract: 

A method and system for producing a mixed gas-oil stream through a tubing wherein at least a portion of the gas is separated from the stream and flowed through a restriction in the tubing to cool the separated gas and reduce its pressure to thereby retain larger amounts of liquid (i.e. condensate) in the gas-oil stream which is to be produced to the surface. The separated gas is compressed downhole before it is injected into a downhole formation.

Patent Number: 
6,260,619
Date Of Issue: 
07/17/2001
Inventors: 

Steven J. Svedeman;Steven P. Petullo;John M. Klein;James L. Cawvey;Jerry L. Brady;Mark D. Stevenson