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Steam-assisted thickened 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 energy supply difficulties, and achieve the effects of reducing development and utilization costs, improving utilization levels, and facilitating popularization and application.

Active Publication Date: 2021-11-19
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

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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 thickened oil thermal recovery system, and relates to the field of thickened oil thermal recovery. The system comprises a heat collection and storage subsystem (110) which comprises a solar heat collection device (1) and a heat storage device and is used for providing and storing high-temperature heat energy, a wind-solar power generation subsystem (120) which comprises a photovoltaic power generation array (8), a wind generating set (9) and an electric control device (10) and is used for generating power by utilizing wind energy and solar radiation energy in a complementary manner and scheduling electric energy, and a steam injection thermal recovery subsystem (130) which is used for mutually coupling the high-temperature thermal energy and the electric energy according to an energy gradient utilization principle so as to provide energy required by thermal recovery of the thickened oil. According to the steam-assisted thickened oil thermal recovery system, renewable resources such as solar energy and wind energy are fully utilized to provide energy for thickened oil thermal recovery, real-time cascade complementary utilization of the wind energy and the solar energy is achieved through dynamic optimization regulation and control, meteorological condition changes are coped, volatility of a single energy system is reduced, and the thickened oil thermal recovery process can be separated from a power grid to operate independently.

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 Applications(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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