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. 27, 2024
Filed:
Mar. 28, 2024
China University of Petroleum (East China), Dongying, CN;
Bangtang Yin, Dongying, CN;
Tianbao Ding, Dongying, CN;
Baojiang Sun, Dongying, CN;
Zhiyuan Wang, Dongying, CN;
Yonghai Gao, Dongying, CN;
Hao Li, Dongying, CN;
Xiaohui Sun, Dongying, CN;
Xuerui Wang, Dongying, CN;
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA), Dongying, CN;
Abstract
A device for simulating gas intrusion and bullheading in a wellbore under different inclinations is provided, which includes a wellbore outer pipe with an inner pipe and an LED light source therein. An outer wall of the wellbore outer pipe is provided with one or more inlets. A bubble generator is arranged outside a lower plug, and extends through the lower plug via an air inlet needle into the inner cavity of the wellbore outer pipe. An input end of the bubble generator is connected to an air compressor. A lower outlet of the wellbore outer pipe is connected to an inlet of a formation unit through a pipeline and a back pressure valve. A simulating method using such device is also provided.