Method and apparatus for manipulating a valve in a well packer
作者： Boehm Gail M , Evans Robert T
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lens.org 参考文章(6)
William O Berryman, Borehole apparatus valves ,(1963)
Benjamin P Nutter, Apparatus for use in drill stem testing ,(1966)
James D Mott, Two-way flapper-type valve ,(1962)
Iii James W Kisling, Multiple purpose well tools ,(1965)
Harry E Schwegman, Drill stem testing device ,(1952)
Charles M O'leary, Well cementing apparatus ,(1941)