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:
Jan. 02, 2018
Filed:
Jun. 05, 2012
Michael John Mcleod Strachan, The Woodlands, TX (US);
Michael John McLeod Strachan, The Woodlands, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
Methods and systems for delivery and retrieval of fluids to and from a downhole location are disclosed. A dual string pipe () is provided which comprises an outer pipe (), an inner pipe () positioned within the outer pipe, and a bottom hole assembly () fluidically coupled to the outer pipe and the inner pipe. A diverter sub () is coupled to the inner pipe and is selectively operable in a normal drilling mode and a high flow mode. In the normal drilling mode a fluid is directed downhole through the inner pipe and in the high flow mode a return fluid is directed uphole through the inner pipe.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile