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公开(公告)号：US10208564B2
公开(公告)日：2019-02-19
申请号：US15286306
申请日：2016-10-05
申请人： NCS Multistage, LLC
发明人： John Ravensbergen , Juan Montero
摘要： A rupture assembly that may be employed in the oilfield industry facilitates the deployment of a tubing string in a well. The rupture assembly may be installed at the bottom of the tubing string for the purpose of trapping air in a lateral section of the tubing, between the rupture assembly and an upper sealing assembly. As a result, the buoyant force in the lateral section reduces the drag encountered while running the tubing through the casing, thereby significantly reducing rig time, or permitting operations where none were possible previously. Once at landing depth, surface pressure may be added to burst and remove the seal and rupture assemblies.
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公开(公告)号：US20170096875A1
公开(公告)日：2017-04-06
申请号：US15286306
申请日：2016-10-05
申请人： NCS Multistage, LLC
发明人： John Ravensbergen , Juan Montero
CPC分类号： E21B34/063 , E21B17/00 , E21B17/012 , E21B17/04 , E21B43/12 , E21B43/2406
摘要： A rupture assembly that may be employed in the oilfield industry facilitates the deployment of a tubing string in a well. The rupture assembly may be installed at the bottom of the tubing string for the purpose of trapping air in a lateral section of the tubing, between the rupture assembly and an upper sealing assembly. As a result, the buoyant force in the lateral section reduces the drag encountered while running the tubing through the casing, thereby significantly reducing rig time, or permitting operations where none were possible previously. Once at landing depth, surface pressure may be added to burst and remove the seal and rupture assemblies.
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