Physical simulation system and method for fracture propagation in shale

A technology of physical simulation and fracture propagation, which is applied in the field of physical simulation system of fracture propagation in shale, which can solve the problems of physical simulation test of shale reservoir without anisotropy and the inability of research results to be directly applied to shale.

Inactive Publication Date: 2016-07-13
CHINA PETROLEUM & CHEM CORP +1
View PDF7 Cites 49 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because sandstone and carbonate rocks are not as undeveloped as shale bedding, and the anisotropy characteristics are not as obvious as shale, so the research

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Physical simulation system and method for fracture propagation in shale
  • Physical simulation system and method for fracture propagation in shale
  • Physical simulation system and method for fracture propagation in shale

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so as to fully understand and implement the implementation process of how to apply technical means to solve technical problems and achieve corresponding technical effects in the present invention. The embodiments of the present application and the various features in the embodiments can be combined with each other under the premise of no conflict, and the formed technical solutions are all within the protection scope of the present invention.

[0032] figure 1 It is a structural schematic diagram of a physical simulation system for crack expansion in shale according to an embodiment of the present application. The simulation system mainly includes: a cutting machine 11, a drilling machine 12, a sealing machine 13, a machine tool 14, a true three-axis physical simulation testing machine 15, an acoustic emission Three-dimensional spatia...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a physical simulation system and method for fracture propagation in shale. The system comprises a drilling rig, a sealing machine, a machine tool, a true triaxial physical simulation testing machine, a hydraulic fracturing servo pump pressure control system, acoustic emission three-dimensional space location monitoring equipment and an industrial CT (computed tomography) machine, wherein the drilling rig, the sealing machine and the machine tool are jointly used for processing acquired shale into a fracturing sample; the true triaxial physical simulation testing machine is used for loading simulated three-dimensional ground stress to the fracturing sample; the hydraulic fracturing servo pump pressure control system is used for providing a fracturing fluid for the fracturing sample, so that a hydraulic fracturing process can be simulated; the acoustic emission three-dimensional space location monitoring equipment is used for monitoring the simulated hydraulic fracturing process in real time; the industrial CT machine is used for preforming tomography scanning on the fracturing sample before and after hydraulic fracturing. The physical simulation system for fracture propagation in the shale can be used for researching fracture initiation, expansion and extension laws of anisotropic shale in the hydraulic fracturing process, so that fracture information can be distinguished more accurately, high-precision basic data are provided for fracturing construction design, technical support is provided for site fracturing construction, and the yield is increased.

Description

technical field [0001] The invention relates to the technical field of shale gas reservoir fracturing and production stimulation, in particular to a physical simulation system and method for crack expansion in shale. Background technique [0002] Shale gas is an unconventional natural gas that hides in shale or mudstone layers in a free or adsorbed state. my country is rich in shale gas resources. With the advancement of mining technology and the state's subsidy support for mining, the development and utilization of shale gas will enter a period of rapid development. The development of shale gas exploitation in foreign countries is relatively early. The main exploitation technologies include horizontal well technology, multi-layer fracturing technology, clean water fracturing technology and repeated fracturing technology. my country's shale gas exploitation is still in its infancy. [0003] The anisotropic properties of shale have an important impact on fracturing operation...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): E21B43/26
Inventor 曾义金张保平张旭蒋廷学贾长贵陈作杨春和衡帅郭印同姚奕明周健
Owner CHINA PETROLEUM & CHEM CORP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap