Diffuser for wellhead isolation tool

Wells – Above ground apparatus – With flow restrictions

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Details

166202, 166242, E21B 3303

Patent

active

042627435

ABSTRACT:
An improved diffuser for a wellhead isolation tool which employs a combination of angles in its bore. This improvement reduces the incidence of erosion caused by the flow of fluids through the diffuser, in both the well production tubing adjacent the end of the diffuser and in the diffuser itself.

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patent: 3926253 (1975-12-01), Duke
patent: 4023814 (1977-05-01), Pitts
patent: 4111261 (1978-09-01), Oliver

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