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:
Apr. 14, 2026
Filed:
Nov. 22, 2023
Applicant:
Scientific Drilling International, Inc., Houston, TX (US);
Inventors:
Carsten Freyer, Wienhausen, DE;
Gerald Heisig, Houston, TX (US);
Assignee:
SCIENTIFIC DRILLING INTERNATIONAL, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 29/06 (2006.01); E21B 7/06 (2006.01); E21B 17/10 (2006.01); E21B 29/00 (2006.01); E21B 33/14 (2006.01);
U.S. Cl.
CPC ...
E21B 17/1078 (2013.01); E21B 29/002 (2013.01); E21B 33/14 (2013.01); E21B 7/061 (2013.01); E21B 29/06 (2013.01);
Abstract
An alignable guidance device includes a tube section and a casing milling shoe within the tube section, a pre-contoured tube within the casing milling shoe that terminates in an exit point in the tube section, the pre-contoured tube exiting the tube section at an exit angle of between 0° and 45°, and guidance sensors within the tube section.