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:
Aug. 08, 2000
Filed:
Oct. 29, 1997
Applicant:
Inventors:
Erik Rhein-Knudsen, Houston, TX (US);
Claude J Vercaemer, Houston, TX (US);
Laurent P Prouvost, Bures sur Yvette, FR;
Arthur W Milne, Noisy le Roi, FR;
Jean-Louis Pessin, Houston, TX (US);
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ;
U.S. Cl.
CPC ...
166285 ; 1662421 ; 1663324 ; 166386 ;
Abstract
In one embodiment, the invention relates to a method or process, useful in cementing a well, especially a hydrocarbon well, which is characterized by the use of increased external and internal diameter liners, the method being characterized by provision and use of a novel liner and liner-tool assembly. Novel liner apparatus, a liner-tool assembly, and a fluid circulating tool are also disclosed.