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:
Mar. 19, 2019
Filed:
Dec. 26, 2014
National Oilwell Varco Canada Ulc, Leduc, CA;
National Oilwell Varco Canada ULC, Leduc, Alberta, CA;
Abstract
A barite recovery hopper includes a shell having an open top, wherein the barite recovery hopper is adapted to receive a flow of recovered barite particles from a solids discharge chute of a decanter centrifuge through the open top of the shell. An inlet is adapted to receive a flow of drilling mud from a mud tank. A hopper bypass gate is adapted to seal a bottom opening of the shell when the hopper bypass gate is in a closed position during a barite recovery operation, and to allow collection of at least a portion of the recovered barite particles for mixture, inside of the barite recovery hopper, with the flow of drilling mud received through the inlet when the hopper bypass gate is in the closed position. An outlet is adapted to discharge a flow of the recovered barite particle/drilling mud mixture to the mud tank.