发明名称 IMPROVEMENTS IN AND RELATING TO SCREENS
摘要 A screen assembly, such as a downhole/ sand screen assembly, comprising first and second screen portions or screens longitudinally coupled together, wherein there is provided a fluid flow path between the first and second screen portions or screen. Optionally, the first and second sleeves are coupled or connected by a centraliser or further sleeve or screen, and/or optionally by or via first and second support ring.
申请公布号 WO2015110807(A2) 申请公布日期 2015.07.30
申请号 WO2015GB50133 申请日期 2015.01.21
申请人 WEATHERFORD U.K. LIMITED 发明人 REID, STEPHEN;MCGEOCH, ANDREW;MANNING, MATTHEW;PURKIS, DANIEL GEORGE
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