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:
Sep. 27, 2011
Filed:
Jan. 06, 2009
Applicants:
Kristian S. Drivdahl, Park City, UT (US);
Erik M. Gaugh, Park City, UT (US);
Michael D. Rupp, Murray, UT (US);
Inventors:
Kristian S. Drivdahl, Park City, UT (US);
Erik M. Gaugh, Park City, UT (US);
Michael D. Rupp, Murray, UT (US);
Assignee:
Longyear TM, Inc., South Jordan, UT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 49/00 (2006.01); E21B 10/02 (2006.01); E21B 17/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
Reamers for use in core-sample drilling include PDC inserts. Such reamers with PDC inserts may be used to maintain borehole diameters, reduce deviation, and/or stabilize drill strings used in core sample drilling. The PDC inserts may be of different sizes and shapes and may be arranged around the reamers in various ways.