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. 03, 2003
Filed:
Feb. 13, 2001
Applicant:
Inventors:
Harold S. Bissonnette, Sugar Land, TX (US);
Jake A. Danos, Stafford, TX (US);
Mehmet Parlar, Sugar Land, TX (US);
Colin J. Price-Smith, Missouri City, TX (US);
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 4/304 ;
U.S. Cl.
CPC ...
E21B 4/304 ;
Abstract
A circulation tool includes a housing having a longitudinal bore therethrough, a wall, and at least one lateral port through the housing wall and at least two sliding sleeves. At least one circulation flow passage is disposed within the housing wall. A plurality of circulation paths are created by the selective positioning of the at least two sliding sleeves.