Invention Application
- Patent Title: METHOD FOR IDENTIFYING A MEDIUM STRUCTURE COUPLING AND A FRACTURE NETWORK MORPHOLOGY OF A SHALE GAS RESERVOIR
-
Application No.: US16620657Application Date: 2018-09-21
-
Publication No.: US20210003005A1Publication Date: 2021-01-07
- Inventor: Weiyao ZHU , Zhiyong SONG , Ming YUE , Yunfeng LIU , Zhen CHEN , Dongxu MA , Wenchao LIU , Qian Qi
- Applicant: University of Science and Technology Beijing
- Applicant Address: CN Beijing
- Assignee: University of Science and Technology Beijing
- Current Assignee: University of Science and Technology Beijing
- Current Assignee Address: CN Beijing
- International Application: PCT/CN2018/107074 WO 20180921
- Main IPC: E21B49/02
- IPC: E21B49/02 ; G01V99/00 ; G01N3/08

Abstract:
A method for identifying a medium structure coupling and a fracture network morphology of a shale gas reservoir includes the following steps. Firstly, performing a fracturing test on shale cores by using a modified Brazilian disc test and categorizing the fracture network morphology. Secondly, performing a shale matrix-fracture structure and stress sensitivity test on the shale cores having different fracture network morphology. After that, determining a stress sensitivity constant of different fracture network morphology according to indoor core data and finally preparing an identification chart of the fracture network morphology based on an indoor core stress sensitivity text combined with a production practice. The identification chart can be applied to an actual fracturing well, and the fracture network morphology is directly identified by a real-time effective stress and a normalized flow.
Public/Granted literature
Information query