Diffuser for wellhead isolation tool

Details Diffuser for wellhead isolation tool Diffuser for wellhead isolation tool

1979-09-04

1981-04-21

Novosad, Stephen J.

Wells

Above ground apparatus

With flow restrictions

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: 3763936 (1973-10-01), Menage
patent: 3926253 (1975-12-01), Duke
patent: 4023814 (1977-05-01), Pitts
patent: 4111261 (1978-09-01), Oliver

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