Well bore cleaning device

Details Well bore cleaning device Well bore cleaning device

1975-08-04

1976-09-28

Novosad, Stephen J.

Wells

Brushing, scraping, cutting or punching-type cleaners

On tubing or casing

166312, 166285, E21B 3314, E21B 3700

Patent

active

039825906

ABSTRACT:
A method and device is presented which cleans the mud filter cake from the walls of a well bore in an oil well by inducing vortex trails in a cement slurry as the slurry is pumped into the annulus between an oil well casing and the walls of the well bore. The device includes a plurality of resilient cylinders which are dimensioned to induce vortex trails in the slurry as it moves past the cylinders. The cylinders are fastened to a strap which may be wound about the exterior of the casing and clamped into place such that the cylinders are located in a random manner about the exterior of the casing which is to be cemented into place.

REFERENCES:
patent: 2728398 (1955-12-01), Taylor
patent: 3351136 (1967-11-01), Nelson
patent: 3842906 (1974-10-01), Paramore et al.

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