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:
Apr. 13, 1999
Filed:
May. 02, 1998
Vladimir M Shaposhnikov, Brooklyn, NY (US);
Leonid A Kuslitskiy, Brooklyn, NY (US);
Petroenergy LLC, New York, NY (US);
Abstract
A device for intensification of hydrocarbons production has a substantially tubular hollow body adapted to be arranged inside a well tubing and having an axis and a plurality of passages arranged one after the other in an axial direction and having different dimensions so that hydrocarbons can flow from a bottomhole of the well successively through the passages toward a well head, the body having at least one tubular portion which is provided inside with at least one of the passages and is provided outside with a unit for fixing the at least one portion and therefore the body to the well tubing, the body also having another portion axially spaced from at least one portion and provided inside with at least one of the passages and outside with a unit for sealing the another portion relative to the well tubing.