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.

Date of Patent:
Sep. 10, 2024

Filed:

Jun. 30, 2022
Applicant:

Yantai Jereh Petroleum Equipment & Technologies Co., Ltd., Shandong, CN;

Inventors:

Qili Cui, Shandong, CN;

Xueyang Zhao, Shandong, CN;

Lin Jiang, Shandong, CN;

Bo Ding, Shandong, CN;

Qingren Lin, Shandong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/12 (2006.01); E21B 36/00 (2006.01); E21B 43/40 (2006.01);
U.S. Cl.
CPC ...
E21B 43/129 (2013.01); E21B 36/006 (2013.01); E21B 43/40 (2013.01);
Abstract

A heavy oil lifting device and a heavy oil lifting method are disclosed. The device includes: a plurality of liquid injection pumps each including a liquid inlet and a liquid outlet and configured to intake in liquid and discharge the liquid after pressurization; a control valve including a first end and a second end, the liquid outlets of the plurality of liquid injection pumps are connected with the first end; a power liquid transmission pipe connected with the second end and configured to transmit the liquid after pressurization; an operation pump connected with the power liquid transmission pipe, and the liquid after pressurization is used as power liquid to drive the operation pump to reciprocate; the control valve is in switchable communication with the liquid injection pump so that the power liquid transmission pipe is in switchable communication with the liquid injection pump.


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