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:
Jul. 14, 2015
Filed:
Aug. 02, 2011
Applicants:
Philip Christof Schulte, Burgwedel, DE;
Hans Robert Oppelaar, Lower Saxony, DE;
Michael Koppe, Niedersachsen, DE;
Inventors:
Philip Christof Schulte, Burgwedel, DE;
Hans Robert Oppelaar, Lower Saxony, DE;
Michael Koppe, Niedersachsen, DE;
Assignee:
BAKER HUGHES INCORPORATED, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 7/06 (2006.01);
U.S. Cl.
CPC ...
E21B 7/064 (2013.01); E21B 7/06 (2013.01);
Abstract
A directional drilling apparatus include a first cutter that substantially cuts a wellbore bottom along a first axis and a second cutter that cuts the wellbore bottom along a second axis different from the first axis. The second cutter may extend an adjustable amount out of the first cutter. The pilot string may connect the second cutter to the first cutter.