Wells – With below and above ground modification – Head for tool – piston or cleaner
Patent
1995-04-26
1996-09-10
Tsay, Frank
Wells
With below and above ground modification
Head for tool, piston or cleaner
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.
Budde Peter
Giroux Richard L.
McClung Guy
Tsay Frank
Weatherford U.S. Inc.
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