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. 25, 2025
Filed:
Oct. 07, 2024
Southwest Petroleum University, Sichuan, CN;
Mingjun Chen, Chengdu, CN;
Zhehan Lai, Chengdu, CN;
Yili Kang, Chengdu, CN;
Wei Jiang, Chengdu, CN;
Shunliang Zou, Wuhan, CN;
Dengyu Luo, Tianjin, CN;
Wangkun Cao, Xi'an, CN;
Jiajia Bai, Changzhou, CN;
Lijun You, Chengdu, CN;
Maoling Yan, Chengdu, CN;
Xingyu Tang, Chengdu, CN;
SOUTHWEST PETROLEUM UNIVERSITY, Chengdu, CN;
Abstract
Disclosed is a method for determining a reasonable soaking time of a shale oil/gas well, implementing testing and experimentation using a device for testing a reasonable soaking time of a shale oil/gas well. The method includes: selecting a core sample; measuring and obtaining a porosity of the core sample; simulating a state of a first core sample in a reservoir; injecting methane to reach a pore pressure of the reservoir; injecting a simulated fracturing fluid into a core gripper; measuring a resistivity change curve of the first core sample; measuring and obtaining a half-life period of pressure attenuation of a first pressure sensor until an inflection point appears in the resistivity change curve of the first core sample; obtaining an experimental duration during which the first core sample and a second core sample present the shortest half-life period of pressure attenuation; obtaining a time point at which core NMR signals of the first core sample and the second core sample have the largest change amplitude; obtaining soaking time at a core scale after sorting; and obtaining the soaking time of the shale oil/gas well.