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:
Jun. 21, 2011
Filed:
Feb. 22, 2009
Applicants:
Thomas L. Dotson, Woodburn, KY (US);
James F. Farr, The Woodlands, TX (US);
Inventors:
Thomas L. Dotson, Woodburn, KY (US);
James F. Farr, The Woodlands, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/11 (2006.01);
U.S. Cl.
CPC ...
Abstract
A abrasive jet perforating tool comprises a generally cylindrically shaped tube with a side, an upper portion, and a lower portion; a plurality of holes tapped and threaded into the side of the tube; threaded abrasive jets mounted in at least some of the plurality of threaded holes; protective plates mounted on the side of the tube around the abrasive jets; gauge rings that slide onto an outer diameter of the upper portion and the lower portion of the tube; and a mechanical casing collar locator connected to the upper portion of the tube.