Cementing system

Wells – With below and above ground modification – Head for tool – piston or cleaner

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Details

166 73, 166156, E21B 3305

Patent

active

055536670

ABSTRACT:
A new 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; and 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.

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"Casing Sales Manual," Halliburton, Sections 3-5, 1993.
"Fasdrop Head," LaFleur Petroleum Services, Inc. 1992.

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