The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 01, 2019
Filed:
Feb. 12, 2016
Applicant:
Perigon As, Randaberg, NO;
Inventor:
Kristian Harestad, Randaberg, NO;
Assignee:
PERIGON AS, Randaberg, NO;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/136 (2006.01); E21B 33/134 (2006.01); E21B 23/10 (2006.01);
U.S. Cl.
CPC ...
E21B 33/134 (2013.01); E21B 23/10 (2013.01); E21B 33/136 (2013.01);
Abstract
A cementing device for establishing a false bottom in a well bore for formation of a cement plug in the well bore. The cementing device includes a tool body which has a front end and a rear end. The cementing device further includes at least one propulsion device which is attached to the front end and/or the rear end of the tool body and is adapted for being propelled by a fluid.