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Steam-assisted heavy oil thermal recovery system

A heavy oil thermal recovery and steam technology, applied in the heavy oil thermal recovery field, can solve problems such as difficulty in energy supply, reduce development and utilization costs, reduce pollution and damage, and facilitate popularization and application.

Active Publication Date: 2022-05-13
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problem of difficult energy supply in areas with high energy consumption in the current heavy oil thermal recovery process, the present invention provides a steam-assisted heavy oil thermal recovery system that can operate independently

Method used

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  • Steam-assisted heavy oil thermal recovery system
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  • Steam-assisted heavy oil thermal recovery system

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Embodiment Construction

[0030] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings. Apparently, the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] The terminology used herein is for the purpose of describing particular embodiments only, and is not intended to be limiting of the present disclosure. The terms "comprising", "comprising", etc. used herein indicate the presence of stated features, steps, operations and / or components, but do not exclude the presence or addition of one or more other features, steps, operations or components.

[0032] In the pre...

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Abstract

The invention provides a steam-assisted heavy oil thermal recovery system, which relates to the field of heavy oil thermal recovery. The system includes: a heat collection and heat storage subsystem (110), including a solar heat collection device (1) and a heat storage device, for providing high-temperature heat energy and storing it; a wind power generation sub-system (120), including a photovoltaic power generation array (8) , a wind power generating set (9) and an electric control device (10), which are used to utilize wind energy and solar radiant energy to generate electricity and realize dispatching of electric energy; The principles of energy cascade utilization are coupled with each other to provide the energy required for thermal recovery of heavy oil. The invention provides energy for heavy oil thermal recovery by making full use of renewable resources such as solar energy and wind energy, realizes real-time cascade complementary utilization of wind energy and solar energy through dynamic optimization and regulation, copes with changes in meteorological conditions, and reduces the volatility of a single energy system, and The heavy oil thermal recovery process can run independently from the power grid.

Description

technical field [0001] The invention relates to the field of heavy oil thermal recovery, in particular to a steam-assisted heavy oil thermal recovery system. Background technique [0002] Heavy oil resource is an important petroleum resource. Due to its high viscosity and poor fluidity, heavy oil generally cannot flow under the conditions of the reservoir, and it is difficult to effectively develop it by conventional mining methods. At present, the main production methods are steam injection for heating, viscosity reduction by chemical injection, and gas injection for viscosity reduction, etc. Thermal oil recovery is currently the most important method for thermal recovery of heavy oil. [0003] However, conventional thermal recovery of heavy oil with steam injection consumes a large amount of water vapor, the general oil-gas ratio is between 0.15 and 0.25, and steam production requires a large amount of fossil fuels. Compared with traditional boilers, solar steam generator...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B43/24F03D9/11F22B1/00F22B1/02F22B1/28H02S10/12
CPCE21B43/24F03D9/007F03D9/11H02S10/12F22B1/006F22B1/028F22B1/28Y02E70/30Y02E10/50Y02E10/72Y02P70/50
Inventor 白章胡文鑫巩亮袁宇
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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