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:
Oct. 22, 2013
Filed:
Jun. 03, 2010
William W. King, Houston, TX (US);
Michael Reese, Houston, TX (US);
Steven W. Drews, Cypress, TX (US);
Ian Alastair Kirk, Aberdeen, GB;
William W. King, Houston, TX (US);
Michael Reese, Houston, TX (US);
Steven W. Drews, Cypress, TX (US);
Ian Alastair Kirk, Aberdeen, GB;
Varel International, Ind., L.P., Carrollton, TX (US);
Abstract
A casing end tool has a bowl-like (or cup-like) body defined by a wall having an outer convex surface and an inner concave surface opposite of the outer convex surface. The bowl-like body has a center axis. The inner concave surface is non-axisymmetric with respect to the center axis, while the outer convex surface is axisymmetric with respect to the center axis. The non-axisymmetric configuration is provided in one implementation through the presence of a set of raised boss or land structures formed on the inner concave surface. In another implementation, the non-axisymmetric configuration is provided by channels formed in the inner concave surface.