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. 14, 2005
Filed:
Jul. 31, 2002
Applicant:
James A. Simson, Meadows Place, TX (US);
Inventor:
James A. Simson, Meadows Place, TX (US);
Assignee:
Smith International, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B033/13 ;
U.S. Cl.
CPC ...
Abstract
A cementing manifold is disclosed that preferably includes: modular housings that can be stacked together and interconnected to add multi-dart or multi-sphere capability; identical, interchangeable valves; internal bypass capability; a minimum number of protrusions into the pressure containing components; and no externally mounted welded or threaded components. A cementing swivel is also disclosed that preferably includes connections that are formed integrally to the housing, redundant cement connections, angled cement ports, and seal assemblies that do not require individual placement of each seal.