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.

Date of Patent:
Mar. 05, 2019

Filed:

Oct. 28, 2016
Applicants:

Erik Vilhelm Nordenstam, The Woodlands, TX (US);

Lei Fang, Katy, TX (US);

Inventors:

Erik Vilhelm Nordenstam, The Woodlands, TX (US);

Lei Fang, Katy, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 29/00 (2006.01); E21B 37/04 (2006.01); E21B 47/12 (2012.01);
U.S. Cl.
CPC ...
E21B 29/005 (2013.01); E21B 37/04 (2013.01); E21B 47/12 (2013.01);
Abstract

A milling and scraping tool for preparing a borehole to be plugged includes a tool body including a first end, a second end, and an intermediate portion extending therebetween and a milling system arranged between the first end and the second end. The milling system includes one or more selectively deployable milling blades. The one or more selectively deployable milling blades is shiftable between a retracted position and a deployed position. A scraping system is arranged on the tool body. The scraping system includes a plurality of selectively deployable scraping blades selectively deployable from a retracted position to a deployed position.


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