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...a well capable of flowing. For a well that is being pumped, the Christmas tree is replaced by wellhead equipment that accommodates the pumping operation.

...equipment to produce fluids from the wellbore. Information on [[Christmas tree]]s, [[[tubing spool]]s, [[packer]]s, and downhole equipment needed to produ

...of work to be done without pulling the tubing, disassembling the Christmas tree, or even killing the well. This is accomplished by using lubricators and pa