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:
Feb. 08, 2022

Filed:

May. 28, 2020
Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:
Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 19/16 (2006.01); E21B 21/10 (2006.01); E21B 34/00 (2006.01); E21B 21/01 (2006.01); E21B 3/02 (2006.01);
U.S. Cl.
CPC ...
E21B 19/16 (2013.01); E21B 21/019 (2020.05); E21B 21/106 (2013.01); E21B 34/00 (2013.01); E21B 3/022 (2020.05); E21B 2200/04 (2020.05);
Abstract

A tool circulates drilling fluid through and rotates a pipe string while making up or breaking out a stand of pipe. The tool includes a clad configured to grip and seal around the RCCT sub. The clad includes a body portion, an inner ring configured to selectively rotate independently, an outer ring configured to be stationary with respect to the inner ring, the outer ring having at least two annular protrusions, a first arm configured to engage with a first annular protrusion, a second arm configured to engage with a second annular protrusion, and a stinger configured to latch into the at least one side entry port and allow the sub and the drill pipe string to rotate independent of the clad. The clad is configured to avoid or prevent stuck pipe incidents.


Find Patent Forward Citations

Loading…