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. 09, 2005
Filed:
May. 22, 2001
Zinoviy Dmitrievich Khomynets, obl.Ivano-Frankovskaya, UA;
Vladimir Petrovich Stenin, Moscow, RU;
Zinoviy Dmitrievich Khomynets, obl.Ivano-Frankovskaya, UA;
Vladimir Petrovich Stenin, Moscow, RU;
Other;
Abstract
The invention relates to pumping units for extraction oil from oil wells comprising, all of them being installed on the piping string, a packer, a back pressure valve, a jet pump having the active nozzle, the mixing chamber, the diffuser and the central channel for supplying a passive medium, and a seal assembly. The back pressure valve is installed below the seal assembly, and a geophysical instrument is installed on the well-logging cable going through the seal assembly. The unit further comprises a filter and a perforator. The geophysical instrument is installed above the back pressure valve and below the jet pump, and the filter and the perforator are installed below the back pressure valve.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile