Method for pigging hydrocarbon product flowlines

Details Method for pigging hydrocarbon product flowlines Method for pigging hydrocarbon product flowlines

1984-03-07

1985-07-09

Fisher, Richard V.

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

166311, B08B 904

Patent

active

045280410

ABSTRACT:
A method and apparatus for cleaning debris from the interior surfaces of two flowlines, particularly dissimilar sized flowlines, utilizes a crossover flowline, crossover valve, and two bypass flowlines and bypass valves, wherein the bypass flowlines communicate between a respective flowline and the crossover flowline.

REFERENCES:
patent: 3519078 (1970-07-01), Harrison
patent: 3608631 (1971-09-01), Sizer et al.
patent: 3637012 (1972-01-01), Sizer et al.
patent: 3682186 (1972-08-01), Howe

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