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:
Mar. 09, 2021
Filed:
Sep. 29, 2020
Southwest Petroleum University, Chengdu, CN;
Shuyong Hu, Chengdu, CN;
Tao Long, Chengdu, CN;
Xiaobing Han, Chengdu, CN;
Yulong Zhao, Chengdu, CN;
Huiying Tang, Chengdu, CN;
Xindong Wang, Chengdu, CN;
Nana Song, Chengdu, CN;
Xueqiang Guo, Chengdu, CN;
Tingting Qiu, Chengdu, CN;
Bingyang Zheng, Chengdu, CN;
Xinyuan Long, Chengdu, CN;
Southwest Petroleum University, Chengdu, CN;
Abstract
An experimental device for carbon dioxide imbition, diffusion and oil discharge in a tight oil reservoir includes: a multistage rock core holder connected with a confining pressure pump and including a pair of connecting holes arranged at an upper end and a lower end thereof with an oil filler pipe connecting therebetween, a crude oil injection device and a recovery device respectively connected to the upper and lower ends, an intermediate container connected to both a high-pressure cylinder and an injection pump, a return pressure pump, a collection device and a control system. A plurality of rows of openings is arranged at a side of the multistage rock core holder to act as a gas inlet connected with the intermediate container via a pipeline, and a gas outlet connected with the recovery device; heating layers are arranged at inner walls of the multistage rock core holder and the intermediate container.