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Carbon dioxide flooding multi-stage streamline injection production simulation device and simulation method

A carbon dioxide and simulation device technology, applied in the fields of mining fluid, earthwork drilling, sustainable manufacturing/processing, etc., can solve problems such as difficult to study the microscopic seepage law of well pattern

Active Publication Date: 2020-09-01
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] The invention provides a carbon dioxide flooding multi-stage streamline injection-production simulation device and simulation method, which are used to solve the problem that the existing experimental device is difficult to study the microscopic seepage law after the well pattern conversion or other potential technical problems

Method used

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  • Carbon dioxide flooding multi-stage streamline injection production simulation device and simulation method
  • Carbon dioxide flooding multi-stage streamline injection production simulation device and simulation method
  • Carbon dioxide flooding multi-stage streamline injection production simulation device and simulation method

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Embodiment Construction

[0050] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0051] It should be noted that the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of t...

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Abstract

The invention provides a carbon dioxide flooding multi-stage streamline injection production simulation device and simulation method, and relates to the technical field of carbon sequestration and petroleum exploitation. The carbon dioxide flooding multi-stage streamline injection production simulation device comprises a shell, a simulation reservoir module for simulating a displacement process, and a tubular column module for forming an injection production channel with the simulation reservoir module, the simulation reservoir module and the tubular column module are stacked and arranged in the shell, the shell is provided with an opening for mounting the simulation reservoir module and the tubular column module, the simulation reservoir module comprises a simulation reservoir and at least three injection production hole tubular column modules in communication with the simulation reservoir, the tubular column module is further configured to change a multi-stage injection production relationship by controlling opening and closing of a plurality of valves, thereby completing simulation of a current well pattern to a target well pattern. The carbon dioxide flooding multi-stage streamline injection production simulation device and simulation method can simulate carbon dioxide flooding and dynamic geological sequestration processes in a complex well pattern environment.

Description

technical field [0001] The embodiments of the present invention relate to the technical fields of carbon sequestration and oil exploitation, and in particular to a carbon dioxide flooding multi-stage streamline injection-production simulation device and simulation method. Background technique [0002] Carbon dioxide flooding technology is not only a widely used carbon sequestration and utilization technology, but also one of the relatively mature enhanced oil recovery methods. Carbon dioxide has the characteristics of easy miscibility with crude oil and low viscosity, which makes carbon dioxide have good fluidity in the reservoir, and can reduce the viscosity of crude oil and the interfacial tension of oil and gas, thereby improving the fluidity of crude oil and oil displacement efficiency; therefore, carbon dioxide is used as an oil displacement agent , not only helps to enhance underground oil recovery, but also realizes the dynamic storage and utilization of carbon dioxid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/16E21B49/00
CPCE21B43/164E21B49/00Y02P90/70
Inventor 吕其超郑嵘杨子浩谭星晖左博文
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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