作者: Graeme K. Smith , Andres Fuenmayor , Andrew Thomson , Kannan Devarajan , Graeme Foubister
DOI:
关键词: Mechanical engineering 、 Outer diameter 、 Annulus (oil well) 、 Wellbore 、 Geotechnical engineering 、 Engineering
摘要: A downhole tool having a throughbore is disclosed for use in tubular located wellbore. The has sealing element configured to seal an annulus between the and inner wall of tubular; at least one flow path formed tool, wherein allow fluids past when sealed position; valve fluid communication with through first direction while preventing from flowing second direction. guard may be installed proximate anchor elements. extends radially beyond outer diameter elements are retracted position.