Swabbing cup construction for swabbing an oil well pipe

Details Swabbing cup construction for swabbing an oil well pipe Swabbing cup construction for swabbing an oil well pipe

1981-12-07

1983-07-12

Novosad, Stephen J.

Wells

Pistons, fluid driven into well

166177, 166369, 417555A, 92255, E21B 3710, E21B 4318

Patent

active

043925286

ABSTRACT:
An improved swabbing cup construction for use on the mandrel of a swabbing tool for clearing liquids and particulate matter, and initiating the flow of oil, from an oil well pipe. The improved cup construction is manually adjustable on the mandrel to compensate for wear of the cup to greatly increase the life of the cup and to substantially facilitate the swabbing procedure for an oil well pipe. The method comprises the steps of observing the wear of the swabbing cup and of manually increasing the outer diameter of the swabbing cup while it is on the mandrel and during swabbing operations of said oil well pipe.

REFERENCES:
patent: 2135167 (1938-11-01), Campbell
patent: 2221775 (1940-11-01), Boynton
patent: 2290774 (1942-07-01), Skinner et al.
patent: 2988148 (1961-06-01), Conrad et al.
patent: 3989106 (1976-11-01), Taylor

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