Reciprocating lubricator

Details Reciprocating lubricator Reciprocating lubricator

E - Fixed Constructions

21

B

E21B 33/072 (2006.01) E21B 33/068 (2006.01)

Patent

CA 2388391

A reciprocating lubricator includes a lubricator base, a lubricator tube connected at the top to a lubricator head and inserted through a packing in the lubricator base to provide a sealable chamber adapted to accommodate a downhole tool to be inserted into a wellbore against well fluid pressure. The chamber in the lubricator tube is sealed using equipment mounted to the lubricator head. Injectors interconnecting the lubricator base and the lubricator head reciprocate the lubricator tube through the lubricator base. When a downhole tool is inserted into the wellbore, the lubricator head rests against the lubricator base to provide a low, safe and stable position for operation of the equipment mounted to the top of the lubricator head.

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