Reversible baffle plate

Details Reversible baffle plate Reversible baffle plate

1977-11-07

1980-06-17

Haroian, Harry N.

Pipes and tubular conduits

With flow regulators and/or baffles

Restrictors

138115, 33304, 175 44, F15D 102

Patent

active

042079250

ABSTRACT:
A reversible baffle plate for receiving and supporting a bottom hole survey apparatus on the interior of a directional drilling string is characterized by concentrically disposed inner and outer members supported one from the other by a plurality of webs. The webs cooperate with the inner and outer members to define a plurality of flow passages through the baffle plate. The first and second axial ends of the inner tubular member are each adapted to receive and support the lowermost axial end of a bottom hole survey apparatus.

REFERENCES:
patent: Re16980 (1928-05-01), Vaugh et al.
patent: 1059626 (1913-04-01), McAllister
patent: 1739161 (1929-12-01), McKee
patent: 1953110 (1934-04-01), Holtane
patent: 2095899 (1937-10-01), Yancey
patent: 2224472 (1940-12-01), Chandler
patent: 2294162 (1942-08-01), Dobscha
patent: 2651199 (1953-09-01), Collins et al.
patent: 2768840 (1956-10-01), Coberly
patent: 2820610 (1958-01-01), Martinez
patent: 3059707 (1962-10-01), Frisby
patent: 3229723 (1966-01-01), Janton
patent: 3774645 (1973-11-01), Pompa

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