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:
Dec. 10, 2019
Filed:
Sep. 18, 2016
Applicant:
Ulterra Drilling Technologies, L.p., Fort Worth, TX (US);
Inventor:
Jason Maw, Beaumont, CA;
Assignee:
Ulterra Drilling Technologies, L.P., Fort Worth, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 17/06 (2006.01); F16D 43/20 (2006.01);
U.S. Cl.
CPC ...
E21B 17/06 (2013.01); F16D 43/20 (2013.01);
Abstract
A rotary impact tool assembled in a drill string transfers torque and axial force between two components. The rotary impact tool includes an anvil and a hammer axially aligned with engaging faces. At a threshold torque, the hammer disengages from the anvil and rotates freely until a biasing element displaces the hammer to reengage the anvil. Kinetic energy stored in the hammer is transferred to the anvil when the faces of the hammer and anvil reengage. This provides an impact to the anvil and any attached component. The tool can accommodate misalignment of the attached components.