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. 06, 2024
Filed:
Mar. 31, 2021
China University of Petroleum (East China), Qingdao, CN;
Shandong University of Science and Technology, Qingdao, CN;
Jian Hou, Qingdao, CN;
Kang Zhou, Qingdao, CN;
Qingjun Du, Qingdao, CN;
Yongge Liu, Qingdao, CN;
Yueliang Liu, Qingdao, CN;
Bei Wei, Qingdao, CN;
Dong Zhao, Qingdao, CN;
Zhibin An, Qingdao, CN;
Dejun Wu, Qingdao, CN;
China University of Petroleum (East China), Qingdao, CN;
Shandong University of Science and Technology, Qingdao, CN;
Abstract
A method for realizing balanced displacement of crude oil by injection and production optimization coordinated chemical flooding which comprises the following steps: determining the median size and elastic modulus of viscoelastic particles according to the average permeability of the reservoir; optimizing the concentration ratio of the total concentration of the chemical agent; the physical parameters of each layer are counted, and the hierarchical system is combined according to the entropy weight algorithm and the cluster analysis method based on the gravity center method; the optimal section slug volume ratio of the single well injected with two slugs under the heterogeneity of the permeability of the strata is calculated; and the objective function is established by combining the coefficient of variation of remaining oil saturation, the effect of chemical flooding and the cost, and the numerical simulator is used to optimize the objective function.