发明名称 Multi-cycle ball activated circulation tool with flow blocking capability
摘要 A valve and method of use wherein the valve includes a housing having an axial flowbore defined along its length. A lateral fluid flow port is disposed through the housing. A piston sleeve is disposed within the flowbore and is selectively moveable to block flow through the lateral flow port. The valve can be moved between operating positions wherein flow through the lateral flow port is blocked or allowed and axial flow through the flowbore is blocked or permitted.
申请公布号 GB2521971(B) 申请公布日期 2016.04.27
申请号 GB20150007417 申请日期 2013.09.04
申请人 Baker Hughes Incorporated 发明人 Mohsen Ali;Gregory L Hern;Daniel Hart;Yang Xu
分类号 E21B21/10;E21B23/00;E21B34/14 主分类号 E21B21/10
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