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.

Date of Patent:
Mar. 23, 2021

Filed:

Jan. 11, 2019
Applicant:

Coiled Tubing Specialties, Llc, Tulsa, OK (US);

Inventors:

Bruce L. Randall, Tulsa, OK (US);

Bradford G. Randall, Tulsa, OK (US);

David P. Brisco, Duncan, OK (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/26 (2006.01); E21B 7/06 (2006.01); E21B 7/18 (2006.01); E21B 29/06 (2006.01); E21B 47/09 (2012.01); E21B 47/06 (2012.01);
U.S. Cl.
CPC ...
E21B 43/26 (2013.01); E21B 7/061 (2013.01); E21B 7/18 (2013.01); E21B 29/06 (2013.01); E21B 47/06 (2013.01); E21B 47/09 (2013.01); E21B 2200/06 (2020.05);
Abstract

A ported casing collar. The ported casing collar comprises a tubular body defining an outer sleeve. At least first and second portals are placed along the outer sleeve. The casing collar also comprises an inner sleeve. The inner sleeve defines a cylindrical body rotatably residing within the outer sleeve. The inner sleeve contains a plurality of inner portals. A control slot is provided along an outer diameter of the inner sleeve. In addition, a pair of torque pins are provided, configured to ride along the control slot in order to place selected inner portals of the inner sleeve with the first and second portals of the outer sleeve. Preferably, the setting tool is a whipstock configured to receive a jetting hose and connected jetting nozzle. A method of accessing a rock matrix in a subsurface formation is also provided.


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