Pipe washer and chemical applicator system

Details Pipe washer and chemical applicator system Pipe washer and chemical applicator system

1987-10-19

1990-01-23

Neuder, William P.

Wells

Above ground apparatus

With means for inserting fluid into well

166 82, 166 92, 166311, 175 84, E21B 1900

Patent

active

048952052

ABSTRACT:
A system for washing, cleaning, and chemically treating sections of drill pipe being tripped out of the hole, which includes an elongated cylindrical housing having a central opening therethrough, the housing comprised of a first and second semi-circular sections, the sections movable between open and closed positions by a hinged joint along one edge, and in the closed position maintained closed via a locking member along the second edge. Within the housing there is further included upper and lower wipers, which comprise circular rubberized material having bores along their central axes, the bores being substantially the width of a section of drill pipe to clean the wall of the pipe. Each wiper would be spaced apart from one another and housed within an annular channel along the inner surface of the housing so that the wipers would be stationary within the housing as the housing is placed in the closed position. There is provided spray nozzles for providing pressurized spray of water and anti-corrosive compound for coating the pipe wall.

REFERENCES:
patent: 4004326 (1977-01-01), Beavers
patent: 4042023 (1977-08-01), Fox
patent: 4198789 (1980-04-01), Wheeler
patent: 4279300 (1981-07-01), Wirsch
patent: 4494607 (1985-01-01), Ford et al.
patent: 4619321 (1986-10-01), Molina

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