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:
Feb. 16, 2016
Filed:
Mar. 08, 2013
Oilfield Equipment Development Center Limited, Victoria, SC;
Alexandr Vasilievich Filippov, Moscow, RU;
Salikhyan Shakirianovich Sharipov, Moscow, RU;
Vladimir Iosifovich Sagalovskiy, Moscow, RU;
Andrei Vladimirovich Sagalovskiy, Moscow, RU;
Oilfield Equipment Development Center Limited, Victoria, Seychelles, unknown;
Abstract
A method for pumping production fluid from a wellbore includes deploying a downhole assembly of an artificial lift system (ALS) into the wellbore. The downhole assembly includes a linear electric motor (LEM) and a pump. The method further includes operating the LEM, thereby reciprocating the pump and lifting production fluid from the wellbore to surface. The LEM includes a stator and a reciprocating head having permanent magnets. The production fluid leaks through an interface formed between the head and the stator.