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. 11, 2019
Filed:
Mar. 16, 2017
Saudi Arabian Oil Company, Dhahran, SA;
Victor Carlos Costa de Oliveira, Dhahran, SA;
Rodny Benjamin Masoud Zuleta, Dhahran, SA;
Khaled K. Abouelnaaj, Dhahran, SA;
Dean S. Porter, Dhahran, SA;
Saudi Arabian Oil Company, Dhahran, SA;
Abstract
A stage cementing tool includes a top sub-assembly; a bottom sub-assembly; a housing that connects the top and bottom sub-assembly and includes a bore therethrough from the top sub-assembly to the bottom sub-assembly, the housing including a plurality of ports radially arranged in the housing, each port including a fluid path between an interior radial surface of the housing and an outer radial surface of the housing; at least one sleeve that rides on a portion of the housing; and a controller mounted in the housing and configured to control the sleeve to adjust, based on receipt of a command to the controller from the terranean surface, between a first position such that the sleeve mandrel decouples fluid communication from the bore to an exterior of the housing through the fluid paths and a second position such that the sleeve mandrel fluidly couples the bore with the exterior of the housing through the fluid paths.