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:
Mar. 08, 2016
Filed:
Mar. 23, 2011
James Randolph Lovorn, Tomball, TX (US);
Derrick Winston Lewis, Conroe, TX (US);
Daniel David Gleitman, Houston, TX (US);
Michael John Strachan, Spring, TX (US);
Clive D Menezes, Conroe, TX (US);
James Randolph Lovorn, Tomball, TX (US);
Derrick Winston Lewis, Conroe, TX (US);
Daniel David Gleitman, Houston, TX (US);
Michael John Strachan, Spring, TX (US);
Clive D Menezes, Conroe, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
A method for modifying a return fluid in a wellbore comprises disposing at least one controllable flow restrictor along a drill string in the wellbore. At least one parameter of interest is determined at at least one location along an annulus in the wellbore. Controllably actuating the at least one flow restrictor to modify a local property of a return fluid in the annulus based at least in part on the measured parameter of interest.