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:
Jul. 27, 2021
Filed:
Sep. 20, 2019
China Oilfield Services, Limited, Tianjin, CN;
Minggao Zhou, Sanhe Langfang, CN;
Yongren Feng, Sanhe Langfang, CN;
Xingfang Wu, Sanhe Langfang, CN;
Yanmin Zhou, Sanhe Langfang, CN;
Yongzeng Xue, Sanhe Langfang, CN;
CHINA OILFIELD SERVICES, LIMITED, Tianjin, CN;
Abstract
A sampling-by-pushing system includes a setting-by-pushing mechanism and a centralizing device. The setting-by-pushing mechanism is connected with the centralizing device through a connecting pipe, and is configured to be set and sealed in a borehole. The centralizing device includes a base body and a retractable support arm arranged on the base body. The support arm is configured to be in contact with the wall of the borehole so as to position the setting-by-pushing mechanism in the center of the borehole.