CN106837283A - CO2The pressure break displacement Pintsch process integral system of base nanometer cumulative multi-phase flow - Google Patents
CO2The pressure break displacement Pintsch process integral system of base nanometer cumulative multi-phase flow Download PDFInfo
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- CN106837283A CN106837283A CN201710013306.4A CN201710013306A CN106837283A CN 106837283 A CN106837283 A CN 106837283A CN 201710013306 A CN201710013306 A CN 201710013306A CN 106837283 A CN106837283 A CN 106837283A
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- pressure
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- mixed phase
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/243—Combustion in situ
- E21B43/247—Combustion in situ in association with fracturing processes or crevice forming processes
- E21B43/248—Combustion in situ in association with fracturing processes or crevice forming processes using explosives
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/241—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection combined with solution mining of non-hydrocarbon minerals, e.g. solvent pyrolysis of oil shale
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/70—Combining sequestration of CO2 and exploitation of hydrocarbons by injecting CO2 or carbonated water in oil wells
Abstract
The present invention relates to the unconventional petroleum resources development field such as oil, shale gas, more particularly to a kind of CO2The pressure break displacement Pintsch process integral system of base nanometer cumulative multi-phase flow.The system includes high-pressure carbon dioxide memory, the 1st valve, the 1st booster pump, the 2nd valve, spark ignition device, the 3rd valve, the 2nd booster pump, the 4th valve, nanometer cumulative fluid storage, the 1st pressure duct, cable, the 2nd pressure duct, magnetic valve flow regulator, miscible fluids generator and packer.This method includes：1. injection combustion agent；2. injection is stopped；3. ignite combustion agent；4. Evaluated effect；5. supplement combustion agent；6. crack fracturing；7. operation is repeated.The system can make full use of the high-energy shock wave that high-pressure carbon dioxide and the detonation of nanometer cumulative body are produced, and reservoir rock is produced crack, and can be allocated according to pressure break demand, and the reaction raw materials that the system is used are environmentally safe.
Description
Technical field
It is poly- the present invention relates to the unconventional petroleum resources development field such as oil, shale gas, more particularly to a kind of CO2 bases nanometer
The pressure break displacement Pintsch process integral system of energy multi-phase flow.
Background technology
Unconventional petroleum resources rich reserves, but unconventional petroleum resources geological conditions preservation is complicated, and rock permeability is low,
It is unfavorable for that unconventional petroleum resources is developed.Hydraulic fracturing, hydraulic slotted liner technique and high-pressure water jet are the exploitation unconventional oil of compact reservoir
The important means of gas resource.Hydraulic fracturing technology have passed through the development of nearly half a century, particularly since the end of the eighties, waterpower
The aspect such as pressure break and multistage fracturing, refracturing makes a breakthrough.Present hydraulic fracturing, hydraulic slotted liner technique and high pressure water jet
As oil-water well yield-increasing technology, in having been widely used for the exploitation of low permeability oil and gas field.
Additionally, world's viscous crude resource is extremely enriched, its reserves is more than ten times of conventional crude reserves, with the conventional stone of replacement
The strategic position of the oily energy.458,200,000,000 tons of Global Oil recoverable reserves, wherein 53% is viscous crude.CNPC's recoverable reserves 212
Hundred million tons, wherein 40% is viscous crude, it is mainly distributed on the Liaohe River, Karamay, Xinjiang and triumph Deng You areas.As the thick of largest domestic
Oily production base, Liaohe Oil Field year heavy oil production accounts for more than the 50% of total output.In oilfield development process, it is contemplated that viscous crude has
Have that viscosity is high and the characteristic such as poor fluidity, generally use steam injection heating exploitation.
The main hydraulic fracturing for using of exploitation at present, hydraulic slotted liner technique and high-pressure water jet method, in Chinese many underground deeps
Reservoir unconventional petroleum resources exploitation do not have waterpower condition yet, carbon dioxide pressure break technology is paid attention to, the U.S. and plus
It is the country for applying carbon dioxide yield-increasing technology earliest to put on airs, particularly in terms of hypotonic, low pressure reservoirs the transformations of spy, titanium dioxide
The characteristics of carbon yield-increasing technology shows more superior.When temperature is more than 31.1 degrees Celsius, pressure is more than 7.38 MPas, carbon dioxide
Gas reforms into above-critical state.Supercritical fluid had both been different from gas also different from liquid, with many unique physico-chemicals
Property --- density, can to provide enough moments of torsion, solvability strong for down-hole motor close to water；Viscosity is very low, close to
Gas, easily flowing, the coefficient of friction resistance are low；Diffusion coefficient is more than liquid, and heat transfer, mass-transfer performance are good；Surface tension, can close to zero
Enter into any space more than supercritical fluid molecule.
For hydraulic fracturing process, patent is concentrated mainly on high-pressure water jet, pulsed hydraulic fracturing and hydraulic slotted liner technique aspect.
Also it is to produce high-temperature high-pressure air flow using solid or Lithium Oxides By Detonation With Emulsion Explosive to have Patents, reaches the purpose of jet or fracturing.
There are Patents to use carbon dioxide characteristic and expand Transformation Principle, but the Transformation Principle for using has significantly with the present invention
Difference.With using carbon dioxide physical expansion Transformation Principle difference, patent of the present invention uses nanometer cumulative fluid and dioxy in the past
Change oxidation of coal reduction reaction（Chemical process）The heat of release, on the one hand causes carbon dioxide high-temperature expansion and phase transformation, produces high
The characteristics of compression swelling；On the other hand, fierce chemical reaction is converted into explosion wave, further enhancing Fluid pressure, has
The characteristics of having explosive charge.So as to the high-pressure jet sound for forming explosion wave and carbon dioxide quick expanding and phase transformation is combined
Load, is respectively provided with substantially innovation in principle and structure.And by the way of separately filling, storage, transport, storage can be ensured
Fortune and the essential safety using process, meet country's promotion goes production capacity, energy-saving and emission-reduction, industrial upgrading and environment-friendly development
Theory.
It is the most key, in addition to possessing the conventional funcs such as carbon dioxide pressure break, displacement, another spy of the invention
Point, is exactly that nanometer cumulative miscible fluids can enter major fracture, branch fractures, even in blowhole, in automatically controlled accurate control
System is lower to produce fierce chemical reaction, so as to form high temperature and pressure on stratum, further promotes Crack Extension, with
And the Pintsch process of viscous crude is promoted, so as to also significantly improve oil recovery.
The content of the invention
The purpose of the present invention is that a kind of CO of offer<sub>2</sub>The pressure break displacement of base nanometer cumulative multi-phase flow is high
Anneal crack integrated de system.Designed using essential safe type, possess scene allotment, scene and fill the characteristics of using, so as to ensure
Storage, convenient transportation, safe efficient, product environmental protection in itself.
The present invention seeks to what is so realized：
Carbon dioxide and nanometer cumulative fluid are injected separately into by stratum by ground booster pump, through magnetic valve flow regulator and mixed
Phase fluid generator, so as to produce the CO of different gradation and function<sub>2</sub>Base nanometer cumulative mixed phase foam, and pass through
Mixed phase foam-encased in horizontal well, is connected spark ignition device by packer, and moment produces HTHP and fracturing rock mass,
Generation major fracture and branch fractures；CO<sub>2</sub>Base nanometer cumulative mixed phase foam enters major fracture, branch fractures and base
Petrosal foramen gap, can promote crack to extend and extend by repeatedly igniting；The CO for entering in branch fractures and blowhole simultaneously<sub>
2</sub>Base nanometer cumulative multi-phase flow detonation produces high temperature and high pressure environment, is conducive to the Pintsch process of former reservoir crude oil, so as to reach
To the purpose of pressure break, displacement and Pintsch process.
Specifically：
First, CO<sub>2</sub>The pressure break displacement Pintsch process integral system of base nanometer cumulative multi-phase flow（Abbreviation system）
The system includes high-pressure carbon dioxide memory, the 1st valve, the 1st booster pump, the 2nd valve, spark ignition device, the 3rd
Valve, the 2nd booster pump, the 4th valve, nanometer cumulative fluid storage, the 1st pressure duct, cable, the 2nd pressure duct, magnetic valve
Flow regulator, miscible fluids generator and packer；
Its position and annexation are：
High-pressure carbon dioxide memory and nanometer cumulative fluid storage and spark ignition device are provided with the ground；
Being excavated in underground has Vertical Well and horizontal well, and Vertical Well is connected with horizontal well；
High-pressure carbon dioxide memory, the 1st valve, the 1st booster pump, the 2nd valve and the 1st high-voltage tube are sequentially communicated；Nanometer cumulative
Fluid storage, the 4th valve, the 2nd booster pump, the 3rd valve and the 1st high-voltage tube are sequentially communicated；1st pressure duct, the 2nd high-voltage tube
Road, magnetic valve flow regulator and miscible fluids generator are sequentially communicated, and carbon dioxide-base is obtained in miscible fluids generator
Nanometer cumulative mixed phase foam；
Multiple spot packer is provided with horizontal well C, the combustion chamber that multistage separates, carbon dioxide-base nanometer cumulative mixed phase bubble is formed
Foam is respectively filled with multiple combustion chambers；
Spark ignition device, cable and combustion chamber are sequentially connected, and the carbon dioxide-base nanometer cumulative mixed phase foam that ignites is in burning
Detonation inside.
2nd, CO<sub>2</sub>The pressure break displacement Pintsch process integral method of base nanometer cumulative multi-phase flow（Abbreviation side
Method）
This method is comprised the following steps：
1. injection combustion agent
Open the 1st valve and the 2nd valve, open the 1st booster pump, by high-pressure carbon dioxide by high-pressure carbon dioxide memory through the
1 pressure duct injects stratum body, and to predetermined pressure；The 3rd valve and the 4th valve are opened simultaneously, open the 2nd booster pump, will
Nanometer cumulative fluid injects stratum body through nanometer cumulative fluid storage through the 2nd pressure duct, and to predetermined pressure；And pass through
The flow of computer-controlled electromagnetic valve flow regulator, regulation high-pressure carbon dioxide and nanometer cumulative fluid, and in certain proportion
Miscible fluids generator is mixed into, so that the carbon dioxide-base nanometer cumulative mixed phase foam of specific function is produced, and by envelope
Enter the combustion chamber of horizontal well C every device；
2. injection is stopped
When the pressure value of carbon dioxide-base nanometer cumulative mixed phase foam is increased to predetermined value, Electromagnetic Flow adjuster is closed；
3. ignite combustion agent
Start spark ignition device, electric signal is by cable detonation carbon dioxide-base nanometer cumulative mixed phase foam；
4. Evaluated effect
After the completion of explosion, spark ignition device, Evaluated effect are closed；
5. supplement combustion agent
Electromagnetic Flow adjuster is opened, high-pressure carbon dioxide and nanometer cumulative fluid is refilled, so as to produce carbon dioxide-base
Nanometer cumulative mixed phase foam, and enter the combustion chamber of horizontal well by packer；
6. crack fracturing
The pressure and flow of control carbon dioxide-base nanometer cumulative mixed phase foam, until carbon dioxide-base nanometer cumulative mixed phase foam
In major fracture, branch fractures and hole into last pressure break, after pressure close to after balance, Electromagnetic Flow of closing the door regulation
Device；Start spark ignition device, electric signal further promotes by cable detonation carbon dioxide-base nanometer cumulative mixed phase foam
The extension in crack and the formation of fracture network, at the same carbon dioxide-base nanometer cumulative mixed phase foam major fracture, branch fractures and
Burning in hole, high temperature and high pressure environment is formed in subsurface reservoir space；
7. operation is repeated
Repeat step 1. -6., until fracturing effect and hot conditions meet pre-provisioning request.
The present invention has following advantages and good effect：
1. the shock wave and carbon dioxide phase change expansion pressure for being produced using carbon dioxide punching press phase transformation detonation, form sound combination
Load；
2. use essential safe type to design, possess scene allotment scene and fill the characteristics of using, so as to ensure that storage, transporter
Just it is, safe efficient, product environmental protection in itself；
3. produce, make industry simply, price economy is easy to operate.
4. the raw material such as industrial waste, such as carbon dioxide are used, is conducive to energy-saving and emission-reduction.
5. another feature of the invention, is exactly that carbon dioxide-base nanometer cumulative mixed phase foam 16 can enter main splitting
Seam, branch fractures, even in hole, produce the chemical reaction of fierceness under the precise control of spark ignition device 5, so that
Stratum forms high temperature and pressure, further promotes Crack Extension, and promotes the Pintsch process of viscous crude, so that
Significantly improve oil recovery.
The system can make full use of the high-energy shock wave that high-pressure carbon dioxide and the detonation of nanometer cumulative body are produced in a word, make
Reservoir rock produces crack, and can be allocated according to pressure break demand, and the reaction raw materials that the system is used are environmentally safe.
Brief description of the drawings
Fig. 1 is the structural representation of the system.
In figure：
1-high-pressure carbon dioxide memory；
2-the 1 valve；
3-the 1 booster pump；
4-the 2 valve；
5-spark ignition device；
6-adjusting valve door 3；
7-the 2 booster pump；
8-the 4 valve；
9-nanometer cumulative fluid storage；
10-the 1 high-voltage tube；
11-cable；
12-the 2 pressure duct；
13-magnetic valve flow regulator；
14-miscible fluids generator；
15-packer；
16-carbon dioxide-base nanometer cumulative mixed phase foam；
17-major fracture；
18-branch fractures；
19-space；
20-stratum body.
A-ground；
B-Vertical Well；
C-horizontal well；
D-combustion chamber.
Specific embodiment
Describe in detail with reference to the accompanying drawings and examples：
First, system
1st, it is overall
The system includes high-pressure carbon dioxide memory 1, the 1st valve 2, the 1st booster pump 3, the 2nd valve 4, spark ignition device
5th, the 3rd valve 6, the 2nd booster pump 7, the 4th valve 8, nanometer cumulative fluid storage 9, the 1st pressure duct 10, cable the 11, the 2nd are high
Pressure pipe road 12, magnetic valve flow regulator 13, miscible fluids generator 14 and packer 15；
Its position and annexation are：
High-pressure carbon dioxide memory 1 and nanometer cumulative fluid storage 9 and spark ignition device are provided with the A of ground
5；
Being excavated in underground has Vertical Well B and horizontal well C, Vertical Well B to be connected with horizontal well C；
High-pressure carbon dioxide memory 1, the 1st valve 2, the 1st booster pump 3, the 2nd valve 4 and the 1st high-voltage tube 10 are sequentially communicated；Receive
Meter Ju Neng fluid storages 9, the 4th valve 8, the 2nd booster pump 7, the 3rd valve 6 and the 1st high-voltage tube 10 are sequentially communicated；1st high-voltage tube
Road 10, the 2nd pressure duct 12, magnetic valve flow regulator 13 and miscible fluids generator 14 are sequentially communicated, in miscible fluids hair
Carbon dioxide-base nanometer cumulative mixed phase foam 16 is obtained in raw device 14；
Multiple spot packer 15 is provided with horizontal well C, the combustion chamber D that multistage separates is formed, carbon dioxide-base nanometer cumulative is mixed
Phase foam 16 is respectively filled with multiple combustion chamber D；
Spark ignition device 5, cable 11 and combustion chamber D are sequentially connected, and ignite carbon dioxide-base nanometer cumulative mixed phase foam 16
Exploded in the D of combustion chamber.
2nd, functional part
1）High-pressure carbon dioxide memory 1
It is a kind of stainless steel tank body of big volume high-voltage-resistant anti-corrosion；
Its function is to contain high-pressure carbon dioxide on the ground.
2）1st, 2,3,4 valves 2,3,6,8
It is a kind of conventional high pressure stainless steel ball valve；
Its function is the open and-shut mode for controlling fluid circuit.
3）A, B booster pump 3,7
It is a kind of conventional fluid pressure booster；
Its function is that high-pressure carbon dioxide and nanometer cumulative fluid are pressurizeed, and enables injection well bottom.
4）Spark ignition device 5
It is a kind of conventional high energy electric spark igniter；
Its function lights the mixture of high-pressure carbon dioxide and nanometer cumulative fluid etc., and can be in the convenient control of flooring-safe.
5）Nanometer cumulative fluid storage 9
It is a kind of conventional stainless steel sealed shell of tank；
Its function is encapsulation nanometer cumulative fluid.
6）1st, 2 pressure ducts 10,12
It is a kind of conventional high pressure resistant, corrosion resistant fluid hose, its function is conveying high-pressure carbon dioxide or nanometer cumulative shooting flow
Body.
7）Cable 11
It is a kind of conventional energization cable；
By the signal transmission of spark ignition device 5 to combustion chamber D.
8）Magnetic valve flow regulator 13
It is a kind of valve of energy control valve opening-closing size；
Its function is the uninterrupted for controlling fluid.
9）Miscible fluids generator 14
It is a kind of pipe-line mixer；
Its function is that carbon dioxide is sufficiently mixed with subparticle.
10）Packer 15
It is the packer commonly used in a kind of oil drilling；
Its function is that drilling is formed into closed detonation air chamber with enable by section sealing.
11）Carbon dioxide-base nanometer cumulative mixed phase foam 16
It is foam-like mixture that high-pressure carbon dioxide and nanometer cumulative fluid are blended to produce through miscible fluids generator 14；
Its function is as the redox reaction raw material of the system.
3rd, reaction raw materials
1）High-pressure carbon dioxide
The high-pressure carbon dioxide that the system is used is high pressure or the carbon dioxide of overcritical high-purity.
2）Nanometer cumulative body
The cumulative agent that the system is used is ZL：2016102345373（CN：105884562 A）A kind of titanium dioxide announced
Carbon-based strongly active cumulative agent, its preparation method is described in detail in its patent；Dispersant, surface-active are added in cumulative agent
Agent and carbon dioxide thickener, a nanometer cumulative body is ultimately formed by ultrasonic oscillation or mechanical agitation.
4th, operation principle
High-pressure carbon dioxide and nanometer cumulative body are injected separately into stratum by the present invention by ground booster pump, are adjusted through magnetic valve flow
Section device 13 and miscible fluids generator 14, so as to produce the CO of different gradation and function<sub>2</sub>Base nanometer cumulative mixed phase
Foam 16, and mixed phase foam 16 is encapsulated in horizontal well by packer 15, spark ignition device 5 is connected, moment produces
HTHP and fracturing rock mass, generate major fracture 17 and branch fractures 18；CO<sub>2</sub>Base nanometer cumulative mixed phase foam
16 enter major fracture 17, branch fractures 18 and hole 19, by repeatedly igniting crack can be promoted to extend and extend；Enter simultaneously and divide
CO in branch crack 18 and hole 19<sub>2</sub>The detonation of base nanometer cumulative multi-phase flow 16 produces high temperature and high pressure environment, favorably
In the Pintsch process of former reservoir crude oil, so as to reach pressure break, displacement and the purpose of Pintsch process.
Claims (2)
1. a kind of CO<sub>2</sub>The pressure break displacement Pintsch process integral system of base nanometer cumulative multi-phase flow, its feature exists
In：
Including high-pressure carbon dioxide memory（1）, the 1st valve（2）, the 1st booster pump（3）, the 2nd valve（4）, spark ignition dress
Put（5）, the 3rd valve（6）, the 2nd booster pump（7）, the 4th valve（8）, nanometer cumulative fluid storage（9）, the 1st pressure duct
（10）, cable（11）, the 2nd pressure duct（12）, magnetic valve flow regulator（13）, miscible fluids generator（14）And packer
（15）；
Its position and annexation are：
On ground（A）On be provided with high-pressure carbon dioxide memory（1）With nanometer cumulative fluid storage（9）And electric spark point
Fiery device（5）；
Being excavated in underground has Vertical Well（B）And horizontal well（C）, Vertical Well（B）And horizontal well（C）Connection；
High-pressure carbon dioxide memory（1）, the 1st valve（2）, the 1st booster pump（3）, the 2nd valve（4）With the 1st high-voltage tube（10）According to
Secondary connection；Nanometer cumulative fluid storage（9）, the 4th valve（8）, the 2nd booster pump（7）, the 3rd valve（6）With the 1st high-voltage tube
（10）It is sequentially communicated；1st pressure duct（10）, the 2nd pressure duct（12）, magnetic valve flow regulator（13）Sent out with miscible fluids
Raw device（14）It is sequentially communicated, in miscible fluids generator（14）Inside obtain carbon dioxide-base nanometer cumulative mixed phase foam（16）；
In horizontal well（C）In be provided with multiple spot packer（15）, form the combustion chamber that multistage separates（D）, carbon dioxide-base nanometer
Cumulative mixed phase foam（16）Respectively filled with multiple combustion chambers（D）；
Spark ignition device（5）, cable（11）And combustion chamber（D）It is sequentially connected, ignite carbon dioxide-base nanometer cumulative mixed phase
Foam（16）In combustion chamber（D）Interior blast.
2. the pressure break displacement Pintsch process integral method of system described in claim 1 is based on, it is characterised in that：
1. injection combustion agent
Open the 1st valve（2）With the 2nd valve（4）, open the 1st booster pump（3）, by high-pressure carbon dioxide by high-pressure carbon dioxide
Memory（1）Through the 1st pressure duct（10）Injection stratum body（20）, and to predetermined pressure；The 3rd valve is opened simultaneously（6）With
4th valve（8）, open the 2nd booster pump（7）, by nanometer cumulative fluid through nanometer cumulative fluid storage（9）Through the 2nd high-voltage tube
Road（12）Injection stratum body（20）, and to predetermined pressure；And by computer-controlled electromagnetic valve flow regulator（13）, regulation height
The flow of pressure carbon dioxide and nanometer cumulative fluid, and miscible fluids generator is mixed into certain proportion（14）, so that
Produce the carbon dioxide-base nanometer cumulative mixed phase foam of specific function（16）, and by packer（15）Into horizontal well（C）'s
Combustion chamber（D）；
2. injection is stopped
When carbon dioxide-base nanometer cumulative mixed phase foam（16）Pressure value be increased to predetermined value, close Electromagnetic Flow adjuster
（13）；
3. ignite combustion agent
Start spark ignition device（5）, electric signal is by cable（11）Detonation carbon dioxide-base nanometer cumulative mixed phase foam
（16）；
4. Evaluated effect
After the completion of explosion, spark ignition device is closed（5）, Evaluated effect；
5. supplement combustion agent
Open Electromagnetic Flow adjuster（13）, high-pressure carbon dioxide and nanometer cumulative fluid are refilled, so as to produce titanium dioxide
Carbon-based nano cumulative mixed phase foam（16）, and by packer（15）Into horizontal well（C）Combustion chamber（D）；
6. crack fracturing
Control carbon dioxide-base nanometer cumulative mixed phase foam（16）Pressure and flow, until carbon dioxide-base nanometer cumulative mixed phase
Foam（16）Into the major fracture of last pressure break（17）, branch fractures（18）And hole（19）It is interior, treat pressure close to balance
Afterwards, close the door Electromagnetic Flow adjuster（13）；Start spark ignition device（5）, electric signal is by cable（11）Detonation titanium dioxide
Carbon-based nano cumulative mixed phase foam（16）, further promote the extension in crack and the formation of fracture network, while carbon dioxide-base
Nanometer cumulative mixed phase foam（16）In major fracture（17）, branch fractures（18）And hole（19）Interior burning, in subsurface reservoir space
Form high temperature and high pressure environment；
7. operation is repeated
Repeat step 1. -6., until fracturing effect and hot conditions meet pre-provisioning request.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710013306.4A CN106837283A (en) | 2017-01-09 | 2017-01-09 | CO2The pressure break displacement Pintsch process integral system of base nanometer cumulative multi-phase flow |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710013306.4A CN106837283A (en) | 2017-01-09 | 2017-01-09 | CO2The pressure break displacement Pintsch process integral system of base nanometer cumulative multi-phase flow |
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| Publication Number | Publication Date |
|---|---|
| CN106837283A true CN106837283A (en) | 2017-06-13 |
Family
ID=59118059
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|---|---|---|---|
| CN201710013306.4A Withdrawn CN106837283A (en) | 2017-01-09 | 2017-01-09 | CO2The pressure break displacement Pintsch process integral system of base nanometer cumulative multi-phase flow |
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| US20130037266A1 (en) * | 2006-02-21 | 2013-02-14 | World Energy Systems Incorporated | Method for producing viscous hydrocarbon using steam and carbon dioxide |
| CN105201483A (en) * | 2015-09-22 | 2015-12-30 | 中北大学 | Environment-friendly downhole stratum fracturing method |
| CN105840166A (en) * | 2016-04-19 | 2016-08-10 | 中石化重庆涪陵页岩气勘探开发有限公司 | Horizontal well fracturing gas testing and well completion technology adopting completely dissoluble bridge plug |
| CN105884562A (en) * | 2016-04-15 | 2016-08-24 | 胡少斌 | Carbon dioxide based high-activity energy gathering agent as well as preparation method and application thereof |
-
2017
- 2017-01-09 CN CN201710013306.4A patent/CN106837283A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130037266A1 (en) * | 2006-02-21 | 2013-02-14 | World Energy Systems Incorporated | Method for producing viscous hydrocarbon using steam and carbon dioxide |
| US20100006281A1 (en) * | 2008-07-09 | 2010-01-14 | Air Wars Defense Lp | Harvesting hydrocarbons and water from methane hydrate deposits and shale seams |
| CN102884277A (en) * | 2010-03-01 | 2013-01-16 | 哈里伯顿能源服务公司 | Fracturing a stress-altered subterranean formation |
| CN105201483A (en) * | 2015-09-22 | 2015-12-30 | 中北大学 | Environment-friendly downhole stratum fracturing method |
| CN105884562A (en) * | 2016-04-15 | 2016-08-24 | 胡少斌 | Carbon dioxide based high-activity energy gathering agent as well as preparation method and application thereof |
| CN105840166A (en) * | 2016-04-19 | 2016-08-10 | 中石化重庆涪陵页岩气勘探开发有限公司 | Horizontal well fracturing gas testing and well completion technology adopting completely dissoluble bridge plug |
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