CN113404473A - Solar-based double-focusing light steam oil production system - Google Patents
Solar-based double-focusing light steam oil production system Download PDFInfo
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- CN113404473A CN113404473A CN202110607585.3A CN202110607585A CN113404473A CN 113404473 A CN113404473 A CN 113404473A CN 202110607585 A CN202110607585 A CN 202110607585A CN 113404473 A CN113404473 A CN 113404473A
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- 238000004519 manufacturing process Methods 0.000 title claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 238000000605 extraction Methods 0.000 claims abstract description 31
- 238000011084 recovery Methods 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 54
- 238000010438 heat treatment Methods 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
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- Combustion & Propulsion (AREA)
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Abstract
The invention relates to the technical field of oil extraction equipment, in particular to a solar-based double-light-gathering steam oil extraction system, which comprises an oil extraction device and a steam conveying mechanism, wherein one end of the oil extraction device is inserted in an oil layer, and the steam conveying mechanism is communicated with the oil extraction device and is used for conveying steam into the oil layer; the steam conveying mechanism comprises a guide pipe, a condenser and a steam tank, the condenser is located above the condenser, a heat conducting rod is arranged between the condenser and the condenser, when the steam conveying mechanism is used, a power mechanism on the steam conveying mechanism inputs cold water at one end into the guide pipe, the cold water passes through the heat conducting rod along with the guide pipe, the heat conducting rod absorbs sunlight gathered by the condenser and sunlight reflected by a reflector, the heat conducting rod generates heat energy and exchanges heat with the cold water in the guide pipe, the cold water in the guide pipe gradually changes into hot water and steam, the hot water and the steam are collected in the steam tank to be stored, and finally the hot water and the steam are conveyed to the oil extraction device through the power mechanism and are contacted with thick oil to reduce viscosity.
Description
Technical Field
The invention relates to the technical field of oil extraction equipment, in particular to a solar-based double-focusing light steam oil extraction system.
Background
China has rich thick oil resources, and 35.5 hundred million tons of thick oil resources are proved. Due to the problems of high viscosity, high density and the like of the thick oil, the average recovery rate of the thick oil in the currently-exploited oil well is less than 20 percent. At present, the petroleum main attack direction of China is to change the reserve volume of thickened oil into yield, and the exploitation prospect of the thickened oil is infinite. And the characteristic that the thick oil is sensitive to the temperature is utilized, high-temperature and high-pressure steam is injected into the thick oil layer, the viscosity of the thick oil is reduced, and the method is an effective method for exploiting the thick oil at present. The existing way for obtaining high-temperature and high-pressure steam has the defects of high energy consumption and low efficiency, so that the oil extraction efficiency is greatly reduced, and a large amount of energy is consumed, so that the environmental pollution and the harm to personnel are brought.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problem of high energy consumption of obtaining high-temperature and high-pressure steam by traditional steam oil extraction, a solar-based double-light-gathering steam oil extraction system is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a dual-light-gathering steam oil extraction system based on solar energy comprises an oil extraction device and a steam conveying mechanism, wherein one end of the oil extraction device is inserted into an oil layer, and the steam conveying mechanism is communicated with the oil extraction device and used for conveying steam into the oil layer;
the steam conveying mechanism comprises a guide pipe, a condenser and a steam tank, the condenser is located above the condenser, a heat conducting rod is arranged between the condenser and used for receiving sunlight gathered by the condenser and sunlight reflected by the condenser, the guide pipe is arranged on the heat conducting rod and contacted with each other, the output end of the guide pipe is communicated with the steam tank, the oil extraction device is communicated with the steam tank through the guide pipe, and a power mechanism for conveying steam is arranged between the oil extraction device and the steam tank.
According to the invention, the power mechanism on the water vapor conveying mechanism inputs cold water at one end into the guide pipe, the cold water passes through the heat conducting rod along with the guide pipe, and the heat conducting rod absorbs sunlight gathered by the condenser and sunlight reflected by the reflector, so that the heat conducting rod generates heat energy and exchanges heat with the cold water in the guide pipe, the cold water in the guide pipe gradually changes into hot water and water vapor, the hot water and the water vapor are collected into the steam tank for storage, and finally the hot water and the water vapor are conveyed to the oil extraction device through the power mechanism and are contacted with the thick oil to reduce the viscosity.
In order to make the heat exchange between the conduit and the heat conducting rod better, the conduit is further coiled on the heat conducting rod. Through twine the pipe on the heat conduction stick, increase with the area of contact of heat conduction stick, improve pipe and the better heat exchange efficiency that carries on of heat conduction stick.
In order to improve the utilization efficiency of solar energy, a solar tracker is further arranged on the water vapor conveying mechanism. Set up the solar energy tracker on steam conveying mechanism, make spotlight ware and condensing lens can have sufficient solar energy all the time like this, improve the utilization efficiency of solar energy.
In order to improve the utilization efficiency of solar energy, a telescopic rod is further arranged between the condenser and the condenser lens. Through setting up the telescopic link between spotlight ware and the condensing lens, the interval between spotlight ware and the condensing lens can be adjusted to the telescopic link to make spotlight ware and condensing lens more effectively gather the sunlight, improve the utilization efficiency of solar energy.
Furthermore, a plurality of water vapor conveying mechanisms are arranged, and the water vapor conveying mechanisms are mutually connected in series and communicated through a guide pipe. Through the series connection intercommunication of a plurality of steam conveying mechanism for high-temperature highly compressed vapor is carried to oil recovery device, improves oil recovery efficiency.
Further, the oil extraction device comprises a heat insulation oil pipe, and a downhole compensator, a first thermal recovery packer, a downhole steam separator and a second thermal recovery packer are sequentially arranged in the heat insulation oil pipe.
Further, the power mechanism is an electric air pump.
The invention has the beneficial effects that: when the solar double-light-gathering steam oil extraction system is used, the power mechanism on the water vapor conveying mechanism inputs cold water at one end into the guide pipe, the cold water passes through the heat conducting rod along with the guide pipe, and the heat conducting rod absorbs sunlight gathered by the condenser and sunlight reflected by the reflector, so that the heat conducting rod generates heat energy and exchanges heat with the cold water in the guide pipe, the cold water in the guide pipe gradually changes into hot water and water vapor, the hot water and the water vapor are collected into the steam tank for storage, and finally the hot water and the water vapor are conveyed to the oil extraction device through the power mechanism and are contacted with thick oil to reduce the viscosity, and the defects of high energy consumption and low efficiency in the conventional way of obtaining high-temperature high-pressure steam are avoided, so that the oil extraction efficiency is greatly reduced, and the problems of environmental pollution and harm to personnel due to the consumption of a large amount of energy are also avoided.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the mounting structure of the water vapor delivery mechanism of the present invention;
fig. 3 is a schematic view of the installation structure between the condenser and the guide tube in the present invention.
In the figure: 1. the system comprises an oil production device, 101, an insulated oil pipe, 102, a downhole compensator, 103, a first thermal recovery packer, 104, a downhole steam separator, 105 and a second thermal recovery packer;
2. the device comprises a water vapor conveying mechanism, 201, a guide pipe, 202, a condenser, 203, a condenser lens, 204, a steam tank, 205, a heat conducting rod, 206 and a power mechanism;
3. telescopic link, 4, solar energy tracker.
Detailed Description
The invention is described in more detail below with reference to the following examples:
the present invention is not limited to the following embodiments, and those skilled in the art can implement the present invention in other embodiments according to the disclosure of the present invention, or make simple changes or modifications on the design structure and idea of the present invention, and fall into the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1-3, a dual-light-gathering steam oil production system based on solar energy comprises an oil production device 1 with one end inserted in an oil layer and a steam conveying mechanism 2 communicated with the oil production device 1 and used for conveying steam into the oil layer;
the water vapor conveying mechanism 2 comprises a guide pipe 201, a condenser 202, a condenser 203 and a steam tank 204, wherein the condenser 202 is a CPC condenser 202, the condenser 203 is a disc condenser 203, the condenser 202 is positioned above the condenser 203, a heat conducting rod 205 is arranged between the condenser 202 and the condenser 203, the heat conducting rod 205 is used for receiving sunlight gathered by the condenser 202 and sunlight reflected by the condenser 203, the guide pipe 201 is arranged on the heat conducting rod 205 and is in contact with each other, the output end of the guide pipe 201 is communicated with the steam tank 204, the oil extraction device 1 is communicated with the steam tank 204 through the guide pipe 201, and a power mechanism 206 for conveying water vapor is arranged between the oil extraction device 1 and the steam tank 204.
The conduit 201 is coiled around a heat conducting rod 205.
And the water vapor conveying mechanism 2 is provided with a solar tracker 4. Solar energy tracker is including solid fixed ring, branch and fixed screw, gu fixed ring installs on branch through fixed screw, and the branch below is provided with the base, and the branch both sides are provided with the auxiliary stand and stabilize the enhancement, gu fixed ring top is connected with the pivot, is provided with the plummer in the pivot and is used for supporting each partial system in top.
And a telescopic rod 3 is arranged between the condenser 203 and the condenser lens 204.
The water vapor conveying mechanisms 2 are arranged in a plurality of numbers, and the water vapor conveying mechanisms 2 are mutually communicated in series through guide pipes 201.
The oil production device 1 comprises an insulated oil pipe 101, and a downhole compensator 102, a first thermal production packer 103, a downhole steam separator 104 and a second thermal production packer 105 are sequentially arranged in the insulated oil pipe 101.
The power mechanism 206 is an electric air pump.
When the double-focusing optical steam oil production system based on solar energy is used, sunlight penetrates through the CPC condenser 202 at the upper part and the disc type condenser 203 at the lower part to carry out heat concentration, the heat conducting rod 205 is heated from two directions, after the heat conducting rod 205 is preheated for a period of time, cold water starts to be supplied by the conduit 201 of the first water vapor conveying mechanism 2 through the electric air pump of the power mechanism 206, the sunlight which is focused from two directions at the moment heats water in the conduit 201, when the water passes through the first water vapor conveying mechanism 2, only temperature rise possibly exists, but steam meeting the conditions cannot be formed, under the condition, the water vapor conveying mechanisms 2 which are connected in series are utilized, at the moment, high-temperature water enters from the water inlet of the conduit 201 of the second water vapor conveying mechanism 2, the high-temperature water passes through the second water vapor conveying mechanism 2 again, double-focusing heating is also adopted, and the plurality of water vapor conveying mechanisms 2 repeat the heating steps, the fluid in the conduit 201 will gradually change from liquid phase to gas phase, and the high-temperature steam entering the steam tank 204 from the conduit 201 is compressed by the electric air pump 53 at the rear part to generate air pressure for meeting the use requirement, and the high-temperature high-pressure steam is transmitted to the oil layer at one end of the oil extraction device 1 through the conduit 201;
when the supply of the high-temperature high-pressure steam is enough, high-temperature high-pressure steam sequentially passes through the heat insulation oil pipe 101, the underground compensator 102, the first thermal production packer 103, the underground steam separator 104 and the second thermal production packer 105, the well is shut down for a period of time, the temperature of the stratum within a certain range close to the well head is increased, the oil layer and crude oil are heated, when the steam quantity is enough, the heating range is continuously diffused, the viscosity of the crude oil in the formed heating zone is rapidly reduced, the resistance of the crude oil flowing to the well head is reduced, and the well can be opened for oil extraction after the heat energy of the steam is relatively completely diffused to the oil layer.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that numerous changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a based on two light steam oil recovery systems that gather of solar energy which characterized in that: comprises an oil extraction device (1) with one end inserted in an oil layer and a water vapor conveying mechanism (2) which is communicated with the oil extraction device (1) and is used for conveying water vapor into the oil layer;
the steam conveying mechanism (2) comprises a guide pipe (201), a condenser (202), a condenser (203) and a steam tank (204), the condenser (202) is located above the condenser (203), a heat conducting rod (205) is arranged between the condenser (202) and the condenser (203), the heat conducting rod (205) is used for receiving sunlight gathered by the condenser (202) and sunlight reflected by the condenser (203), the guide pipe (201) is arranged on the heat conducting rod (205) and is in contact with each other, the output end of the guide pipe (201) is communicated with the steam tank (204), the oil extraction device (1) is communicated with the steam tank (204) through the guide pipe (201), and a power mechanism (206) for conveying steam is arranged between the oil extraction device (1) and the steam tank (204).
2. The solar-based dual-concentration optical steam oil recovery system of claim 1, wherein: the conduit (201) is coiled on the heat conducting rod (205).
3. The solar-based dual-concentration optical steam oil recovery system of claim 1, wherein: and the water vapor conveying mechanism (2) is provided with a solar tracker (4).
4. The solar-based dual-concentration optical steam oil recovery system of claim 1, wherein: and a telescopic rod (3) is arranged between the condenser (203) and the condenser lens (204).
5. The solar-based dual-concentration optical steam oil recovery system of claim 1, wherein: the water vapor conveying mechanisms (2) are arranged in a plurality of numbers, and the water vapor conveying mechanisms (2) are mutually communicated in series through guide pipes (201).
6. The solar-based dual-concentration optical steam oil recovery system of claim 1, wherein: the oil extraction device (1) comprises a heat insulation oil pipe (101), and a downhole compensator (102), a first thermal production packer (103), a downhole steam separator (104) and a second thermal production packer (105) are sequentially arranged in the heat insulation oil pipe (101).
7. The solar-based dual-concentration optical steam oil recovery system of claim 1, wherein: the power mechanism (206) is an electric air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110607585.3A CN113404473B (en) | 2021-06-01 | 2021-06-01 | Solar energy-based double-condensation steam oil extraction system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110607585.3A CN113404473B (en) | 2021-06-01 | 2021-06-01 | Solar energy-based double-condensation steam oil extraction system |
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| Publication Number | Publication Date |
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| CN113404473A true CN113404473A (en) | 2021-09-17 |
| CN113404473B CN113404473B (en) | 2023-07-25 |
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| CN202110607585.3A Active CN113404473B (en) | 2021-06-01 | 2021-06-01 | Solar energy-based double-condensation steam oil extraction system |
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2021
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| CN113404473B (en) | 2023-07-25 |
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Application publication date: 20210917 Assignee: Shandong Hongde Yuheng Information Technology Co.,Ltd. Assignor: CHANGZHOU University Contract record no.: X2024980008518 Denomination of invention: Based on solar dual spotlight steam oil recovery system Granted publication date: 20230725 License type: Common License Record date: 20240702 |