Method of preventing scrapers on a reciprocating sucker rod...

Details Method of preventing scrapers on a reciprocating sucker rod... Method of preventing scrapers on a reciprocating sucker rod...

E - Fixed Constructions

21

B

E21B 17/10 (2006.01) E21B 37/10 (2006.01)

Patent

CA 2221514

A method of preventing scrapers on a reciprocating sucker rod from wearing grooves in well tubing. The first step involves providing at least one scraper having a body with two opposed spiral vanes each of which extends 180 degrees around the body and flow channels positioned between the spiral vanes. The second step involves securing the scraper to a reciprocating sucker rod. The third step involves positioning the sucker rod within well tubing having an inner circumference with the two opposed spiral vanes engaging 360 degrees of the inner circumference of the well tubing while fluids bypass the body by means of the flow channels.

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