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. 20, 2013
Filed:
Jun. 12, 2009
Jan Kristians Vasshus, Sandnes, NO;
Trond Melhus, Sandnes, NO;
Jan Kristians Vasshus, Sandnes, NO;
Trond Melhus, Sandnes, NO;
Cubility AS, Sandnes, NO;
Abstract
An apparatus () and a method for ad-mixing an additive for a drilling fluid for use in the drilling of a petroleum well are described. The apparatus () includes: a mixing chamber () which is connected, in terms of fluid, to an inlet line () for drilling fluid, an outlet line () for drilling fluid and at least one dosing device () for an additive, the dosing device () being arranged to supply the additive from a container () to the mixing chamber () and to form a pressure-tight barrier between the mixing chamber () and the container (); and a pumping device () arranged downstream of the mixing chamber (), which is arranged to suck drilling fluid through the mixing chamber ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile