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:
May. 30, 2006
Filed:
Aug. 09, 2004
Vladimir M. Shaposhnikov, Brooklyn, NY (US);
Leonid Levitan, Brooklyn, NY (US);
Vladimir M. Shaposhnikov, Brooklyn, NY (US);
Leonid Levitan, Brooklyn, NY (US);
Sorowell Production Services LLC, Waloon Lake, MI (US);
Abstract
A device for improving recovery of hydrocarbons through a well by creating, regulating and maintaining under the device a calculated bottomhole pressure at a desired level and creating above the device a two-phase gas-liquid homogenous flow for efficient lifting of hydrocarbons to a surface, the device has a body having a central throughgoing opening with a shape corresponding a shape of a Laval nozzle and with a cross section which changes steplessly and gradually, and a mandrel attachable to a tubing and associated with the body without interfering with a flow of fluids.