发明名称 Technique for completing shallow wells with tension packer
摘要 A bowl-slip assembly is used to complete shallow wells having a tension set hold down device such as a packer or tubing anchor. The bowl includes a trap door which is opened to allow the bowl to pass around the tubing string and rest on an underlying well head support, such as a tubing head. The trap door is closed and a short set of slips placed to receive the load of the tubing string and transfer it to the tubing head at a time when it is necessary to attach a Christmas tree to the tubing string and tubing head. The trap door bowl and slips are easily installed and removed and require a minimum clearance between the top of the tubing head flange and the bottom flange of the Christmas tree.
申请公布号 US4887673(A) 申请公布日期 1989.12.19
申请号 US19880152250 申请日期 1988.02.04
申请人 SKORUPPA, THOMAS S. 发明人 SKORUPPA, THOMAS S.
分类号 E21B19/10;E21B43/10 主分类号 E21B19/10
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