CN103573232B - Secondary steam heats pressurization directly spray device - Google Patents
Secondary steam heats pressurization directly spray device Download PDFInfo
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- CN103573232B CN103573232B CN201310533907.XA CN201310533907A CN103573232B CN 103573232 B CN103573232 B CN 103573232B CN 201310533907 A CN201310533907 A CN 201310533907A CN 103573232 B CN103573232 B CN 103573232B
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- steam
- combustion chamber
- oil
- spray device
- pressure
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- 239000007921 spray Substances 0.000 title claims abstract description 24
- 238000002485 combustion reaction Methods 0.000 claims abstract description 33
- 238000005485 electric heating Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 239000003129 oil well Substances 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims description 20
- 239000007924 injection Substances 0.000 claims description 20
- 239000007789 gas Substances 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000000567 combustion gas Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 241001640558 Cotoneaster horizontalis Species 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 23
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 11
- 239000001569 carbon dioxide Substances 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229960004424 carbon dioxide Drugs 0.000 description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 238000010795 Steam Flooding Methods 0.000 description 6
- 238000010793 Steam injection (oil industry) Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- -1 steam flooding Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The present invention provides a kind of secondary steam and heats pressurization directly spray device, including top cover (13), shell (14), electric heating system (1), casing (2), oil pipe (3), steam pipe line (4), auxiliary combustion source gas line (5), cable transmission pipeline (6), fumarole (7), electric ignition device (8), combustion chamber (10), grid burning cavity wall (11) and pressure-control valve (12).It is connect at the top of top cover with the continuous pipe in oil well, the bottom of top cover and combustion chamber, electric ignition device and cage connection, shell has electric heating system, the inner wall of internal-combustion chamber is grid burning cavity wall, combustion chamber heats pressurization directly spray device bottom with shell and secondary steam and connect, and the pressure-control valve that steam heats supercharging device bottom is connect with equipment end steam jetting hole.The present invention can be directly installed on close to shaft bottom oil reservoir position, and the tail gas such as the carbon dioxide of generation are injected directly into oil reservoir, improve rate of oil production and efficiency.
Description
Technical field
Pressurization directly spray device, especially steam flooding is heated the present invention relates to the secondary steam during oil exploitation to exploit
It is middle to be injected in superheated steam oil displacement process to oil reservoir, it realizes that the underground of steam high temperature direct-injection oil reservoir is secondary and heats supercharging device.
Background technique
Currently, there are many secondary recovery modes of petroleum, such as steam flooding, carbon dioxide drive etc..In the mistake of the displacement of reservoir oil
High-temperature steam used in journey is all to be transported through the defeated transmission of pipe or tank car to gas injection well head by steam boiler station, is directly injected into well
Lower oil reservoir.But compared with the output pressure of steam boiler station steam, the steam exit pressure and temperature losses under gas injection well are very big,
After reason mainly includes two aspects that 1, steam boiler output steam, since distance transport is long or it is defeated to manage, a large amount of thermal losses is caused；
2, thermal losses of the steam in steam injection well.Since energy loss can not supplement naturally, oil field takes ground is secondary to heat pressurization
Boiler is supplemented, and the effect that underground electric heating idol heating device heats steam is limited, leads to the vapor (steam) temperature into oil reservoir
Well below required temperature, steam flooding effect is directly affected.
In order to solve the problem above-mentioned, the present invention provides that a kind of calorific value conversion ratio is high, secondary steam small in size heats
Straightening spray apparatus can substitute ground boiler temperature-increasing pressure charging system.The device can be directly installed on close to shaft bottom oil reservoir position,
The tail gas such as the carbon dioxide generated in the steam and combustion process that heat pressurization are injected directly into oil reservoir, the thermal efficiency occurred
It is injected directly into oil reservoir, the thermal energy 100% generated is made to have an effect in oil reservoir, reached steam flooding and carbon dioxide is mixed
Rate of oil production and efficiency can be improved in the maximum efficiency for closing the displacement of reservoir oil, improves 30% or more oil recovery, and without dirt in whole process
Contaminate object discharge.
Summary of the invention
Secondary steam provided by the invention heats pressurization directly spray device, including top cover (13), shell (14), electric heating system
System (1), casing (2), oil pipe (3), steam pipe line (4), auxiliary combustion source gas line (5), cable transmission pipeline (6), fumarole
(7), electric ignition device (8), combustion chamber (10), grid burning cavity wall (11) and pressure-control valve (12).It is at the top of top cover and oily
Continuous pipe in well connects, and natural gas line, oxygen pipeline, cable transmission pipeline, steam pipe line and ground are equipped in continuous pipe
Control centre's connection, the bottom of top cover and combustion chamber, electric ignition device and cage connection, shell has electric heating system, interior
The inner wall of portion's combustion chamber is grid burning cavity wall, is manufactured using special high temperature-resistant material sieve, combustion chamber and shell and steam two
Secondary to heat the connection of pressurization directly spray device bottom, steam heats the pressure-control valve of supercharging device bottom and equipment end steam sprays
Hole connection.
Secondary steam heats pressurization directly spray device and is placed in oil well, and top of oil horizon is connect with continuous pipe, and tail portion has note to steam
The external connection devices such as steam pipe line, fuel gas conduit, oxygen hose, circuit connection.Casing 2,3 perforation of oil pipe are equipped in gas-injection oil-production section；
By burning line, by fumarole 7, pressurization sprays downwards, and auxiliary combustion source gas line 5 supplies simultaneously；Electric ignition device 8 is by passing through
The electric igniter carbon-point and thermal resistance of cable connection form, and light a fire in combustion chamber 10 and light combustion gas, flame 9 is by grid
Shape burning cavity wall sprays, and burns downwards along gas injection direction, and grid burning cavity wall 11 is the high carbon containing material of stainless steel；Steam pipe line 4
Injection direction according to different geological conditions and steam demand amount come set angle, generally 10 ° of -30 ° of injections are close in equipment
The injection of wall high pressure, self-assembling formation vortex flow downward；By flame and outer wall electric heating system 1, heat transfer increases to be steamed steam
Stripping temperature；Electric ignition device 8 and electric heating system are powered by cable transmission pipeline 6；Steam after heating passes through pressure-control valve
12 are pressurized, and are injected directly into oil reservoir with the carbon dioxide mix generated in combustion process after steam ejection.
In use process, straight well is beaten above oil reservoir, and as steamed well, steam injection well is subjected to perforation in oil reservoir bottom,
Penetrate out 1/10th that segment length is core intersection.Secondary steam of the invention heats pressurization directly spray device and is placed on straight well oil reservoir
Top, top and steam injection pipe, fuel gas conduit, oxygen hose, circuit connection.High steam is defeated by steam injection stainless steel continuous conduit
Send to steam and heat the outer end of supercharging device, play it is secondary heat, pressurization.Underground secondary steam heats pressurization directly spray device
Synchronous operation is matched with the supercharging device that heats on ground, while injecting steam, high pressure fuel is mixed after fumarole and oxygen
Close spray into combustion chamber, lighted with igniter, due to pressure act on, burned flame direction be vertically downward, direct-injection flame by
Latticed burning cavity wall sprays, and flame and hot steam second-time burning generate high temperature and pressure hot steam, reduces heat consume and quickly mentions
High vapor (steam) temperature, pressure.The vapor that downward combustion chamber is moved by vortex surrounds, and the heat of flame is conducted into steam,
By 430 DEG C of promotion temperature or more of steam and secondary booster.Heat the carbon dioxide generated in the steam and combustion process of pressurization
Equal tail gas are injected directly into oil reservoir, have reached the maximum efficiency of steam flooding and the carbon dioxide mix displacement of reservoir oil.Tail gas after burning
It is sprayed into oil reservoir after the pressurizing device repressurization for passing through device leading portion with high-pressure and high-temperature steam, plays steam combustion tail gas, two
Carbonoxide complex oil displacing optimum efficiency.
The inventive technique device is advanced, using natural gas, the mating electroheat pair auxiliary system of oxygen combustion, can substitute ground
Boiler temperature-increasing pressure charging system.The device can be directly installed on close to shaft bottom oil reservoir position, will heat steam and the burning of pressurization
The tail gas such as the carbon dioxide generated in the process are injected directly into oil reservoir, and the thermal efficiency occurred is injected directly into oil reservoir, make to produce
Raw thermal energy 100% is had an effect in oil reservoir, has reached the maximum efficiency of steam flooding and the carbon dioxide mix displacement of reservoir oil, can be mentioned
High rate of oil production and efficiency improve 30% or more oil recovery, and non-pollutant discharge in whole process.
Detailed description of the invention
Attached drawing 1 is the schematic diagram that column gas electric idol underground steam heats supercharging device
In figure: 1, electric heating system, 2, casing, 3, oil pipe, 4, steam pipe line, 5, auxiliary combustion source gas line, 6, cable
Transfer line, 7, fumarole, 8, electric ignition device, 9, flame, 10, combustion chamber, 11, grid burning cavity wall, 12, pressure control
Valve, 13 top covers, 14, outer housing.
Specific embodiment
As shown in Figure 1, secondary steam heats pressurization directly spray device, it is placed in oil well, top cover top and continuous Guan Lian
It connects, continuous Guan Zhongyou steam injection pipe, fuel gas conduit, oxygen hose, circuit connection, is equipped with casing 2,3 perforation of oil pipe in gas-injection oil-production section；
By burning line, by fumarole 7, pressurization sprays downwards, and auxiliary combustion gas source 5 supplies simultaneously；Electric ignition device 8 is by passing through cable
The electric igniter carbon-point and thermal resistance of connection form, and light a fire in combustion chamber 10 and light combustion gas, flame 9 is by latticed combustion
It burns cavity wall to spray, burn downwards along gas injection direction, grid burning cavity wall 11 is the high carbon containing material of stainless steel；Steam pipe line 4 is by setting
Determine 20 ° of angle injections, is close to equipment inner wall and flows downward in vortex；Steam is passed by flame and outer wall resistance heater 1, heat
Lead increase vapor (steam) temperature；Electric ignition device 9 and electric heating system are powered by cable transmission pipeline 6；Steam after heating passes through well
Lower pressure-control valve 12 is pressurized, and is injected directly into oil reservoir with the carbon dioxide mix generated in combustion process after steam ejection.
Secondary steam heats pressurization directly spray device and is placed in oil well, and top of oil horizon is connect with continuous pipe, and tail portion has note to steam
The external connection devices such as steam pipe line, fuel gas conduit, oxygen hose, circuit connection.Casing 2,3 perforation of oil pipe are equipped in gas-injection oil-production section；
By burning line, by fumarole 7, pressurization sprays downwards, and auxiliary combustion source gas line 5 supplies simultaneously；Electric ignition device 8 is by passing through
The electric igniter carbon-point and thermal resistance of cable connection form, and light a fire in combustion chamber 10 and light combustion gas, flame 9 is along gas injection
Direction is burnt downwards, and grid burning cavity wall 11 is the high carbon containing material of stainless steel；The injection direction of steam pipe line 4 is 20 ° of injections, tightly
The injection of equipment inner wall high pressure is pasted, self-assembling formation vortex flows downward；Steam is passed by the heat of flame and outer wall electric heating system 1
It leads, heat transfer increases vapor (steam) temperature；Electric ignition device 8 and electric heating system are powered by cable transmission pipeline 6；Steam after heating
It is pressurized by pressure-control valve 12, is injected directly into oil with the carbon dioxide mix generated in combustion process after steam ejection
Layer.
Claims (5)
1. secondary steam heats pressurization directly spray device, including top cover (13), shell (14), electric heating system (1), casing (2),
Oil pipe (3), steam pipe line (4), auxiliary combustion source gas line (5), cable transmission pipeline (6), fumarole (7), electric ignition device
(8), combustion chamber (10) and pressure-control valve (12)；It is characterized in that, being connect at the top of top cover with the continuous pipe in oil well, cable
Transfer line, steam pipe line and ground control centre connect, and the bottom and combustion chamber of top cover, electric ignition device and shell connect
It connects, shell has electric heating system, and the inner wall of combustion chamber is that grid burns cavity wall (11), and pressure-control valve is located at bottom.
2. secondary steam as described in claim 1 heats pressurization directly spray device, which is characterized in that electric ignition device is by passing through electricity
The electric igniter carbon-point and thermal resistance composition of cable connection, light a fire in combustion chamber and light combustion gas, flame is burnt by grid
Cavity wall sprays, and burns downwards along gas injection direction.
3. secondary steam as claimed in claim 2 heats pressurization directly spray device, which is characterized in that grid burns cavity wall using special
Kind high temperature resistant material sieve is fabricated.
4. secondary steam as claimed in claim 3 heats pressurization directly spray device, which is characterized in that the injection direction of steam pipe line
10 ° -30 ° are set as, the injection of equipment inner wall high pressure is close to, steam natural forms vortex and flows downward；Flame is by grid combustion chamber
Wall sprays, and flame and secondary steam burning generate high temperature and pressure hot steam, heat of the steam by flame and outer wall electric heating system
Conduction.
5. secondary steam as described in claim 3 or 4 heats pressurization directly spray device, which is characterized in that electric ignition device and electricity
Heating system is powered by cable transmission pipeline, and the steam after heating is pressurized by pressure-control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310533907.XA CN103573232B (en) | 2013-11-01 | 2013-11-01 | Secondary steam heats pressurization directly spray device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310533907.XA CN103573232B (en) | 2013-11-01 | 2013-11-01 | Secondary steam heats pressurization directly spray device |
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| Publication Number | Publication Date |
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| CN103573232A CN103573232A (en) | 2014-02-12 |
| CN103573232B true CN103573232B (en) | 2019-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310533907.XA Active CN103573232B (en) | 2013-11-01 | 2013-11-01 | Secondary steam heats pressurization directly spray device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918053B (en) * | 2015-12-24 | 2022-12-02 | 中国石油天然气股份有限公司 | Ignition device for oil field exploitation and oil field exploitation method |
| CN106194140B (en) * | 2016-08-29 | 2018-09-04 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Shaft bottom water drainage gas production device and its method |
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| CN102282337A (en) * | 2009-01-16 | 2011-12-14 | 弗瑞德·施奈德 | Apparatus and method for downhole steam generation and enhanced oil recovery |
| CN102352745A (en) * | 2011-10-25 | 2012-02-15 | 联合石油天然气投资有限公司 | Removable electric ignition device for in-situ combustion and application method thereof |
| WO2013016685A1 (en) * | 2011-07-27 | 2013-01-31 | World Energy Systems Incorporated | Apparatus and methods for recovery of hydrocarbons |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3880235A (en) * | 1969-12-30 | 1975-04-29 | Sun Oil Co Delaware | Method and apparatus for igniting well heaters |
| US5360067A (en) * | 1993-05-17 | 1994-11-01 | Meo Iii Dominic | Vapor-extraction system for removing hydrocarbons from soil |
| CN101539011B (en) * | 2009-04-30 | 2010-09-29 | 辽河石油勘探局 | Fire flood eclectic ignition device |
| CN201963210U (en) * | 2010-12-23 | 2011-09-07 | 中国石油天然气股份有限公司 | Fireflood gas injection electric ignition process column |
| CN102242626A (en) * | 2011-07-19 | 2011-11-16 | 中国石油天然气股份有限公司 | Steam drive exploitation method for heavy oil reservoir |
| CN203188989U (en) * | 2013-04-23 | 2013-09-11 | 辽宁东戴河新区瑞实石油科技有限公司 | Oil well heating vapor generator |
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2013
- 2013-11-01 CN CN201310533907.XA patent/CN103573232B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102282337A (en) * | 2009-01-16 | 2011-12-14 | 弗瑞德·施奈德 | Apparatus and method for downhole steam generation and enhanced oil recovery |
| WO2013016685A1 (en) * | 2011-07-27 | 2013-01-31 | World Energy Systems Incorporated | Apparatus and methods for recovery of hydrocarbons |
| CN102352745A (en) * | 2011-10-25 | 2012-02-15 | 联合石油天然气投资有限公司 | Removable electric ignition device for in-situ combustion and application method thereof |
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| CN103573232A (en) | 2014-02-12 |
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Effective date of registration: 20210426 Address after: Workshop B2, No. 1123, Shengyuan Street 2nd Road, Dongying District, Dongying City, Shandong Province 257000 Patentee after: Dongying Yuhuang Energy Technology Co., Ltd Address before: 100000, Beijing, Haidian District Sijiqing Township North Village Road, No. 25 static core garden, B seat Patentee before: Luan Tian |
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