Wellbore cementing system

Details Wellbore cementing system Wellbore cementing system

1996-08-29

1998-09-29

Tsay, Frank

Wells

Pistons, fluid driven into well

166155, 1661774, E21B 3316

Patent

active

058134573

ABSTRACT:
A new wellbore cementing system has been developed which includes, in certain embodiments, a plug container with a flow diverter for diverting a portion of flowing fluid away from plugs in the plug container; a plug set system with internal sleeves or dart receivers with shearable parts for shearing to selectively release plugs--all in certain embodiments made of non-metal material and/or plastic; a swivel equalizer with internal valving to isolate a plug set (or any other item) from torque and to relieve pressure below the swivel equalizer; and unique burst tube systems for selectively controlling fluid flow and plug system operation.

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