Tool deployment apparatus and method

Details Tool deployment apparatus and method Tool deployment apparatus and method

E - Fixed Constructions

21

B

E21B 23/14 (2006.01) E21B 17/02 (2006.01) E21B 21/10 (2006.01) E21B 23/08 (2006.01) E21B 33/072 (2006.01) E21B 47/01 (2006.01)

Patent

CA 2229105

A bulkhead adaptor for use with a downhole tool to be pumped through a well casing or drill pipe on a cable. The bulkhead adaptor includes a housing assembly having an upper attachment element for connecting the housing assembly to the cable, and a lower attachment element for connecting the housing to the tool. The adaptor also has a circular swab cup defining a surface area exposed to a flow of pumping fluid. The swab cup is removably attached to the housing and has an outer diameter enclosing a projected area greater than the projected area of the tool, measured in a plane transverse to said well casing or drill pipe. Various preferred materials and methods of use are disclosed. The invention can especially improve the pumping of tools down horizontal or highly deviated wells.

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