CN108252653B - A kind of heating power jet stream underground reactor - Google Patents
A kind of heating power jet stream underground reactor Download PDFInfo
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- CN108252653B CN108252653B CN201810003511.7A CN201810003511A CN108252653B CN 108252653 B CN108252653 B CN 108252653B CN 201810003511 A CN201810003511 A CN 201810003511A CN 108252653 B CN108252653 B CN 108252653B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 46
- 239000000446 fuel Substances 0.000 claims abstract description 97
- 238000006243 chemical reaction Methods 0.000 claims abstract description 96
- 238000002347 injection Methods 0.000 claims abstract description 87
- 239000007924 injection Substances 0.000 claims abstract description 87
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000001301 oxygen Substances 0.000 claims abstract description 69
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 230000001186 cumulative effect Effects 0.000 claims abstract description 19
- 230000007704 transition Effects 0.000 claims abstract description 17
- 238000009423 ventilation Methods 0.000 claims description 18
- NRTLIYOWLVMQBO-UHFFFAOYSA-N 5-chloro-1,3-dimethyl-N-(1,1,3-trimethyl-1,3-dihydro-2-benzofuran-4-yl)pyrazole-4-carboxamide Chemical compound C=12C(C)OC(C)(C)C2=CC=CC=1NC(=O)C=1C(C)=NN(C)C=1Cl NRTLIYOWLVMQBO-UHFFFAOYSA-N 0.000 claims description 16
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 3
- 229910001882 dioxygen Inorganic materials 0.000 claims description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 10
- 238000001816 cooling Methods 0.000 abstract description 6
- 239000011435 rock Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical group O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 239000004615 ingredient Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004227 thermal cracking Methods 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 102000016938 Catalase Human genes 0.000 description 1
- 108010053835 Catalase Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009284 supercritical water oxidation Methods 0.000 description 1
Classifications
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/14—Drilling by use of heat, e.g. flame drilling
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The present invention provides a kind of heating power jet stream underground reactors.The heating power jet stream underground reactor includes reactor body, and reactor body is cylindrical-shaped structure, from top to bottom successively includes injection unit, reaction member and nozzle unit；Injection unit includes for the fuel injection unit to reaction member injection fuel, the oxygen injection unit for injecting oxygen to reaction member and for the water injection unit to reaction member injection water；Reaction member includes reaction chamber and igniter；Igniter is arranged in the upper chamber side of reaction chamber；Nozzle unit includes converging transition, jet hole, divergent segment and cumulative section；The bottom end of reaction chamber is connected with converging transition, and converging transition, jet hole, divergent segment and cumulative section are sequentially communicated along axial direction.Heating power jet stream underground structure of reactor of the invention is relatively simple；The channel design of injection unit is more novel, can guarantee effective cooling of reactor；The design of reactor is reasonable, high speed thermojet can be formed in outlet, to realize efficient rock-breaking.
Description
Technical field
The invention belongs to energy extraction technical fields, are related to a kind of heating power jet stream underground reactor.
Background technique
In recent years, China's rapid economic development, it is also growing day by day to the demand of petroleum-based energy.As Domestic Oil And Gas Fields are surveyed
Deepening continuously for exploitation is visited, central and east oil field has progressed into development late stage, and Remaining Oil And Gas resource is with being mostly in deep
In layer (> 4500m).For example, the oil fields such as the Tarim Basin found in recent years, NE Sichuan, loose the Liao Dynasty are in deep formation, therefore how
Efficient Development Deep Oil And Gas Exploration resource is current important one of the strategy in China.
Deep formation formation hardness is high, drillability is poor, and the efficient new methods of drilling of positive research and probe deep layer hard formation is right
Realize that the strategic objective of China's Sustainable Development of Petroleum Resource is of great significance.There is scholar to propose rock the forties in last century
The method and thinking of thermal cracking, and Preliminary Applications have been carried out in mining industry.Nineteen ninety-five, Massachusetts science and engineering scholar's collaboration mechanism stream
The thinking of body heat cracking, and gradually have developed corresponding experimental facilities.
This method is mainly based upon rock thermal cracking thinking and supercritical Water Oxidation Technology.Concretely: being fuel, oxygen
Gas, water are injected into the reactor of underground, and in underground, (temperature is greater than 374 DEG C, and pressure is greater than under the conditions of certain temperature and pressure
22.1MPa), the water in the reactor of underground is in above-critical state.Fuel can be realized with water with oxygen and is thoroughly mixed at this time, be presented
Single-phase, under this condition, fuel is more uniform with oxygen mix, has better reaction effect.It is sprayed from reactor outlet
High temperature thermal medium (main component is carbon dioxide and water) acts on rock surface, causes rock interior to generate heat heterogeneous and answers
Power causes rock surface to generate crack until cracking.This method is primarily targeted for the exploitation of geothermal energy resources.
In conjunction with fluid pyrolysis technology, seminar proposes heating power jet stream rock breaking method, i.e., in fluid pyrolysis technology
On the basis of, by structure of reactor under planned well, injection parameter etc. is redesigned, the speed (> 100m/ of high temperature thermal medium is improved
S), so that catalase not only has thermal cracking effect, there are also the percussions of jet stream.It improves comprehensive with cracking by impacting
Cooperation is used, and be may act on a greater variety of rocks, is obtained faster broken rock speed, to improve the drilling well speed of deep well hard formation
Degree.
For heating power jet stream rock breaking method, one of core is the structure design of underground reactor, with fluid thermal cracking
Technology is compared, injection rate and the raising to muzzle velocity, proposes requirements at the higher level to the design of underground structure of reactor.It is existing
Heating power jetting method in, only provide simple underground reaction unit mentality of designing, only rest on the theoretical conceptual phase, can use
It is urgently furtherd investigate in the underground structure of reactor design of heating power jet stream.
Moreover, the design of reaction cavity configuration is one of the critical issue of heating power jet stream drilling well.The uniformity coefficient of fuel mixing,
The cooling effect of tube wall all has a major impact the efficiency of tool and service life.Fuel mixing is more uniform, and reactant reaction degree is got over
Completely, implement productivity is higher；Tube wall cooling effect is better, and the tool up time is longer, and the service life is longer.
Summary of the invention
In order to solve above-mentioned defect in the prior art, the purpose of the present invention is to provide a kind of reactions of heating power jet stream underground
Device, heating power jet stream underground structure of reactor is simple, injection channel is novel in design etc. for this, can guarantee the cooling of structure of reactor,
Extend the effective time of reactor, and high speed thermojet can be formed in outlet, realizes efficient rock-breaking.
The purpose of the present invention is mainly achieved by the following technical programs:
The present invention provides a kind of heating power jet stream underground reactor, which includes reactor body,
The reactor body is cylindrical-shaped structure, from top to bottom successively includes injection unit, reaction member and nozzle unit；
The injection unit includes for injecting the fuel injection unit of fuel to reaction member, for infusing to reaction member
Enter the oxygen injection unit of oxygen and for the water injection unit to reaction member injection water；
The reaction member includes reaction chamber and igniter；The igniter is arranged in the upper chambers side of the reaction chamber
Face；
The nozzle unit includes converging transition, jet hole, divergent segment and cumulative section；The bottom end of the reaction chamber and it is described gradually
Contracting section is connected, and the converging transition, the jet hole, the divergent segment and the cumulative section are sequentially communicated along axial direction.
In above-mentioned heating power jet stream underground reactor, it is preferable that be provided at the shaft core position on the top of the reaction chamber
Fuel nozzle；It is small that the inner sidewall of the top of the reaction chamber close to reaction cavity is provided with the multiple equally distributed water flowings of a circle
Hole；The top of the reaction chamber is provided with the multiple equally distributed ventilation holes of a circle close to the fuel nozzle；
The fuel injection unit injects fuel into the reaction chamber by the fuel nozzle；The water injection unit
Water is injected into the reaction chamber by the limber；The oxygen injection unit is by the ventilation hole to described anti-
Answer intracavitary injection oxygen.
In above-mentioned heating power jet stream underground reactor, it is preferable that the diameter of the ventilation hole is the fuel nozzle
1.5 times or more of diameter；The diameter of the fuel nozzle is less than the 1/10 of the internal diameter of the reaction chamber, meaning are as follows: fuel nozzle
Diameter it is 1/10 also smaller than the internal diameter of reaction chamber；The diameter of the limber is less than the 1/5 of the internal diameter of the reaction chamber,
Meaning are as follows: the diameter of limber is 1/5 also smaller than the internal diameter of reaction chamber.
In above-mentioned heating power jet stream underground reactor, it is preferable that the quantity of the ventilation hole is 6.
In above-mentioned heating power jet stream underground reactor, it is preferable that the quantity of the limber is 6.
In above-mentioned heating power jet stream underground reactor, it is preferable that the fuel injection unit includes fuel injection head and combustion
Expect buffer channel；The fuel injection head, the fuel buffer channel and the fuel nozzle are sequentially connected logical；
The fuel injection head is located at the center on the top of the reactor body, for being connected to external fuel and defeated
Send fuel into the fuel buffer channel；The fuel buffer channel is located at the lower part of the fuel injection head, the fuel
Buffer channel is the cylindrical chamber parallel with axis, for fuel to be injected into the reaction chamber by the fuel nozzle.
In above-mentioned heating power jet stream underground reactor, it is preferable that the oxygen injection unit includes oxygen injection head and oxygen
Gas buffer channel；The oxygen injection head, the oxygen buffer channel and the ventilation hole are sequentially connected logical；
The oxygen injection head is located at the side of the upper end of the side of the reactor body and the vertical reactor body
Face, for being connected to external oxygen and conveying oxygen into the oxygen buffer channel；The oxygen buffer channel is around axis
The circle annular compartment being arranged, for oxygen to be injected into the reaction chamber by the ventilation hole.
In above-mentioned heating power jet stream underground reactor, it is preferable that the water injection unit includes water injection head and water buffering
Channel；The water injection head, the water buffer channel and the limber are sequentially connected logical；
The water injection head is located at the side of the upper end of the side of the reactor body and the vertical reactor body,
For being connected to external water and conveying water into the water buffer channel；The water buffer channel is the ring being arranged around axis
Shape chamber, for water to be injected into the reaction chamber by the limber.
In above-mentioned heating power jet stream underground reactor, it is preferable that the thread connecting mode that the igniter uses oblique cutting to enter
It is arranged in the upper chamber side of the reaction chamber；It is used to control the intensity and frequency of igniting by external electricity sparking equipment.
In above-mentioned heating power jet stream underground reactor, it is preferable that the converging transition is in the conical cavity that internal diameter is gradually reduced
Road, maximum internal diameter is identical as the internal diameter of the reaction chamber, and the smallest internal diameter is identical as the diameter of the jet hole；
The divergent segment is in the conical cavity that internal diameter is gradually expanded, the diameter phase of the smallest internal diameter and the jet hole
Together, maximum internal diameter is identical as the diameter of the cumulative section；
The jet hole and the cumulative section are cylindrical cavity.
In above-mentioned heating power jet stream underground reactor, it is preferable that the diameter of the jet hole is less than the interior of the reaction chamber
The 1/5 of diameter, meaning are as follows: jet hole diameter is 1/5 also smaller than the internal diameter of reaction chamber.
In above-mentioned heating power jet stream underground reactor, it is preferable that the volume flow ratio of the fuel and the oxygen is 1:
4。
In above-mentioned heating power jet stream underground reactor, it is preferable that the oxygen buffer channel is located at the water buffer channel
Top, the fuel buffer channel is located in the lantern ring of the oxygen buffer channel and the water buffer channel annular compartment
Portion, the oxygen injection head and the water injection head are distributed in the two sides of the reactor body, are easily installed convenient and disassembly
It is convenient.
In above-mentioned heating power jet stream underground reactor, the design of the fuel nozzle is mainly used in control injection reaction chamber
Fuel quantity, prevent fuel disposably inject excessively, reaction excessively acutely burn reactor；The ventilation hole of oxygen is close to fuel
Nozzle allows burning to occur mainly in the center of reaction chamber convenient for blending fuel sufficiently with oxygen；The limber of water is close to patch
The inner sidewall of proximal response cavity, is distributed between wall surface and combustion centre, plays preferable cooling effect, to protect reaction chamber
The wall surface of body will not be burnt because temperature is excessively high.
Heating power jet stream underground reactor of the invention carry out using when: first by the heating power jet stream underground reactor install
To the end of down-hole oil tube, fuel channel, waterpipe and oxygen channel are connected to fuel injection head by ground respectively, water injects
Head and oxygen injection head；Then first lead to oxygen 10 seconds or so, an oxygen-enriched environment is built in reaction chamber, is then passed through combustion again
Material；The volume flow ratio of fuel and oxygen is 1:4.When fuel and oxygen open about 15s or so, electricity sparking starting point is controlled
Fire since igniting after about 10s, can form stable burning；At this point, starting to pass through wellhead back pressure to water is passed through in reaction chamber
Bottom pressure is adjusted in 20MPa or more with head of liquid, at this point, the water in reaction cavity is in supercritical state when lighting a fire reaction
State, fuel and oxygen are sufficiently mixed in the environment of supercritical water, and vigorous reaction occurs, and it is (main to generate high temperature and pressure thermal medium
It is carbon dioxide and water), thermal medium is shunk by converging transition, thus local resistance loss and prevention during reducing thermal shock
The diverging immediately of thermal medium, thermal medium form high-speed jet by jet hole, are discharged by divergent segment, and pass through cumulative section
Play the role of cumulative and protect energy, the high speed thermojet impinging earth strata of formation realizes efficient rock-breaking.
Heating power jet stream underground reaction utensil of the invention is for following advantages:
(1) structure is relatively simple, can especially guarantee the reliability of reactor under complicated conditions down-hole；
(2) the channel design of injection unit is more novel, can guarantee effective cooling of reactor, to extend reactor
Effective time；
(3) design of reactor is reasonable, high speed thermojet can be formed in outlet, to realize efficient rock-breaking.
Referring to following description and accompanying drawings, only certain exemplary embodiments of this invention is disclosed in detail, specifies original of the invention
Reason can be in a manner of adopted.It should be understood that embodiments of the present invention are not so limited in range.In appended power
In the range of the spirit and terms that benefit requires, embodiments of the present invention include many changes, modifications and are equal.For a kind of reality
The feature that the mode of applying is described and/or shown can be made in one or more other embodiments in a manner of same or similar
With, be combined with the feature in other embodiment, or substitution other embodiment in feature.
Detailed description of the invention
Attached drawing described here is only used for task of explanation, and is not intended to limit model disclosed by the invention in any way
It encloses.In addition, shape and proportional sizes of each component in figure etc. are only schematical, it is used to help the understanding of the present invention, and
It is not the specific shape and proportional sizes for limiting each component of the present invention.Those skilled in the art under the teachings of the present invention, can
Implement the present invention to select various possible shapes and proportional sizes as the case may be.
Fig. 1 is the cross-sectional view of heating power jet stream underground reactor body structure in the embodiment of the present invention；
Fig. 2 is A-A cross-sectional view in Fig. 1；
Fig. 3 is B-B cross-sectional view in Fig. 1；
Fig. 4 is the enlarged diagram of Local C in Fig. 1；
Accompanying drawings symbol description:
1 fuel injection head, 2 oxygen injection heads, 3 water injection heads, 4 igniters, 5 reaction chambers, 6 converging transitions, 7 fuel buffering are logical
Road, 8 oxygen buffer channels, 9 water buffer channels, 10 ventilation holes, 11 limbers, 12 fuel nozzles, 13 jet holes, 14 flarings
Section, 15 cumulative sections.
Specific embodiment
In order to which technical characteristic of the invention, purpose and beneficial effect are more clearly understood, now to skill of the invention
Art scheme carries out described further below, but should not be understood as that limiting the scope of the invention.In the teachings of the present invention
Under, technical staff is contemplated that these are regarded as belonging to the scope of the present invention based on any possible deformation of the invention.
It should be noted that be referred to as " being set to " another element when element, it can directly on the other element or can also
With there are elements placed in the middle.When an element is considered as " connection " another element, it can be directly to another
Element may be simultaneously present centering elements.Term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be
Mechanical connection or electrical connection, the connection being also possible to inside two elements can be directly connected, and can also pass through intermediary
It is indirectly connected, for the ordinary skill in the art, can understand the concrete meaning of above-mentioned term as the case may be.
Term as used herein " vertically ", " horizontal ", "upper", "lower", "left", "right" and similar statement are intended merely to
Bright purpose, is not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term as used herein "and/or" includes one or more
Any and all combinations of relevant listed item.
Embodiment
This implementation provides a kind of heating power jet stream underground reactor, as shown in Figure 1, the heating power jet stream underground reactor includes anti-
Device ontology is answered, it from top to bottom successively includes injection unit, reaction member and nozzle list that the reactor body, which is cylindrical-shaped structure,
Member.
Injection unit includes for injecting the fuel injection unit of fuel to reaction member, for injecting oxygen to reaction member
The oxygen injection unit of gas and for reaction member injection water water injection unit；The volume flow ratio of fuel and oxygen is 1:
4.Reaction member includes reaction chamber 5 and igniter 4.Nozzle unit includes converging transition 6, jet hole 13, divergent segment 14 and cumulative section
15；The bottom end of reaction chamber 5 is connected with converging transition 6, converging transition 6, jet hole 13, divergent segment 14 and cumulative section 15 along axial direction successively
Connection.
Fuel nozzle 12 is provided at the shaft core position on the top of reaction chamber 5；The top of reaction chamber 5 is close to reaction cavity
Inner sidewall is provided with the equally distributed limber 11 of 6, a circle；The top of reaction chamber 5 is provided with a circle close to fuel nozzle 12
6 equally distributed ventilation holes 10 (as shown in Figures 2 and 3)；
Fuel injection unit includes fuel injection head 1 and fuel buffer channel 7；Fuel injection head 1, fuel buffer channel 7
It is sequentially connected with fuel nozzle 12 logical；Fuel injection head 1 is located at the center on the top of reactor body, for being connected to outside
Fuel simultaneously conveys fuel into fuel buffer channel 7；Fuel buffer channel 7 is located at the lower part of fuel injection head 1, and fuel buffering is logical
Road 7 is the cylindrical chamber parallel with axis, for fuel to be injected into reaction chamber 5 by fuel nozzle 12.
Oxygen injection unit includes oxygen injection head 2 and oxygen buffer channel 8；Oxygen injection head 2, oxygen buffer channel 8
It is sequentially connected with ventilation hole 10 logical；Oxygen injection head 2 is located at the upper end of the side of reactor body and vertical reactor ontology
Side, for being connected to external oxygen and conveying oxygen into oxygen buffer channel 8；Oxygen buffer channel 8 is to set around axis
The circle annular compartment set, for oxygen to be injected into reaction chamber 5 by ventilation hole 10.
Water injection unit includes water injection head 3 and water buffer channel 9；Water injection head 3, water buffer channel 9 and limber
11 be sequentially connected it is logical；Water injection head 3 is located at the upper end of the side of reactor body and the side of vertical reactor ontology, for connecting
Logical external water simultaneously conveys water into water buffer channel 9；Water buffer channel 9 is the circle annular compartment being arranged around axis, is used for
Water is injected into reaction chamber 5 by limber 11.
Igniter 4 is arranged in the upper chamber side of reaction chamber 5 using the thread connecting mode that oblique cutting enters；Pass through external electricity
Sparking equipment is used to control the intensity and frequency (igniter partial enlarged view as shown in Figure 4) of igniting.
Converging transition 6 is in the conical cavity that internal diameter is gradually reduced, and maximum internal diameter is identical as the internal diameter of reaction chamber 5,
The smallest internal diameter is identical as the diameter of jet hole 13；Divergent segment 14 is in the conical cavity that internal diameter is gradually expanded, the smallest interior
Diameter is identical as the diameter of jet hole 13, and maximum internal diameter is identical as the diameter of cumulative section 15；Jet hole 13 and cumulative 15 are
Cylindrical cavity.The diameter of jet hole 13 is less than the 1/5 of 5 internal diameter of reaction chamber；The diameter of ventilation hole 10 is fuel nozzle 12
1.5 times or more of diameter；The diameter of fuel nozzle 12 is less than the 1/10 of the internal diameter of reaction chamber 5；The diameter of limber 11 is less than
The 1/5 of the internal diameter of reaction chamber 5.
The heating power jet stream underground reactor of the present embodiment carry out using when:
By the heating power jet stream underground, reactor is installed to the end of down-hole oil tube, respectively by fuel channel, waterpipe first
Fuel injection head 1, water injection head 3 and oxygen injection head 2 are connected to by ground with oxygen channel；Then first lead to 10 seconds left sides of oxygen
The right side builds an oxygen-enriched environment in reaction chamber 5, is then passed through fuel again；The volume flow ratio of fuel and oxygen is 1:4.
It when fuel and oxygen open about 15s or so, controls electricity sparking and starts to light a fire, since igniting after about 10s, can be formed steady
Fixed burning；At this point, start to be passed through water in reaction chamber 5, by wellhead back pressure and head of liquid adjust bottom pressure 20MPa with
On, at this point, the water in reaction cavity is in a supercritical state when lighting a fire reaction, fuel and oxygen are in the environment of supercritical water
It is sufficiently mixed, vigorous reaction occurs, generate high temperature and pressure thermal medium (mainly carbon dioxide and water), thermal medium passes through converging transition
6 shrink, so that the diverging immediately of local resistance loss and prevention thermal medium during reducing thermal shock, thermal medium pass through nozzle
Mouth 13 forms high-speed jets, is discharged by divergent segment 14, and plays the role of cumulative by cumulative section 15 and protect energy, formation
High speed thermojet impinging earth strata realizes efficient rock-breaking.
Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally
Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used to
The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component
Or step.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of heating power jet stream underground reactor, it is characterised in that: the heating power jet stream underground reactor includes reactor body, institute
Stating reactor body is cylindrical-shaped structure, from top to bottom successively includes injection unit, reaction member and nozzle unit；
The injection unit includes for injecting the fuel injection unit of fuel to reaction member, for injecting oxygen to reaction member
The oxygen injection unit of gas and for reaction member injection water water injection unit；
The reaction member includes reaction chamber and igniter；The igniter is arranged in the upper chamber side of the reaction chamber；
The nozzle unit includes converging transition, jet hole, divergent segment and cumulative section；The bottom end of the reaction chamber and the converging transition
It is connected, the converging transition, the jet hole, the divergent segment and the cumulative section are sequentially communicated along axial direction；
Fuel nozzle is provided at the shaft core position on the top of the reaction chamber；The top of the reaction chamber is close to reaction cavity
Inner sidewall is provided with the multiple equally distributed limbers of a circle；The top of the reaction chamber is provided with close to the fuel nozzle
The one multiple equally distributed ventilation holes of circle；
The fuel injection unit injects fuel into the reaction chamber by the fuel nozzle；The water injection unit passes through
The limber injects water into the reaction chamber；The oxygen injection unit passes through the ventilation hole to the reaction chamber
Interior injection oxygen；
The diameter of the ventilation hole is 1.5 times or more of the diameter of the fuel nozzle；The diameter of the fuel nozzle is less than
The 1/10 of the internal diameter of the reaction chamber；The diameter of the limber is less than the 1/5 of the internal diameter of the reaction chamber.
2. heating power jet stream according to claim 1 underground reactor, it is characterised in that: the quantity of the ventilation hole is 6
It is a.
3. heating power jet stream according to claim 2 underground reactor, it is characterised in that: the quantity of the limber is 6
It is a.
4. heating power jet stream according to claim 1 underground reactor, it is characterised in that: the fuel injection unit includes combustion
Expect injection head and fuel buffer channel；The fuel injection head, the fuel buffer channel and the fuel nozzle are sequentially connected
It is logical；
The fuel injection head is located at the center on the top of the reactor body, for being connected to external fuel and conveying combustion
Material is into the fuel buffer channel；The fuel buffer channel is located at the lower part of the fuel injection head, the fuel buffering
Channel is the cylindrical chamber parallel with axis, for fuel to be injected into the reaction chamber by the fuel nozzle.
5. heating power jet stream according to claim 1 underground reactor, it is characterised in that: the oxygen injection unit includes oxygen
Gas injection head and oxygen buffer channel；The oxygen injection head, the oxygen buffer channel and the ventilation hole are sequentially connected
It is logical；
The oxygen injection head is located at the side of the upper end of the side of the reactor body and the vertical reactor body, uses
In connection external oxygen and oxygen is conveyed into the oxygen buffer channel；The oxygen buffer channel is to be arranged around axis
One circle annular compartment, for oxygen to be injected into the reaction chamber by the ventilation hole.
6. heating power jet stream according to claim 1 underground reactor, it is characterised in that: the water injection unit includes water note
Enter head and water buffer channel；The water injection head, the water buffer channel and the limber are sequentially connected logical；
The water injection head is located at the side of the upper end of the side of the reactor body and the vertical reactor body, is used for
Connection external water simultaneously conveys water into the water buffer channel；The water buffer channel is the circle annular chamber being arranged around axis
Room, for water to be injected into the reaction chamber by the limber.
7. heating power jet stream according to claim 1 underground reactor, it is characterised in that: what the igniter was entered using oblique cutting
Thread connecting mode is arranged in the upper chamber side of the reaction chamber；It is used to control the strong of igniting by external electricity sparking equipment
Degree and frequency.
8. heating power jet stream according to claim 1 underground reactor, it is characterised in that: the converging transition gradually subtracts in internal diameter
Small conical cavity, maximum internal diameter is identical as the internal diameter of the reaction chamber, the smallest internal diameter and the jet hole
Diameter is identical；
The divergent segment is in the conical cavity that internal diameter is gradually expanded, and the smallest internal diameter is identical as the diameter of the jet hole,
Its maximum internal diameter is identical as the diameter of the cumulative section；
The jet hole and the cumulative section are cylindrical cavity.
9. heating power jet stream underground reactor according to claim 1 or 8, it is characterised in that: the diameter of the jet hole is small
In the 1/5 of the internal diameter of the reaction chamber.
10. heating power jet stream according to claim 1 underground reactor, it is characterised in that: the fuel and the oxygen
Volume flow ratio is 1:4.
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| RU2108438C1 (en) * | 1996-04-18 | 1998-04-10 | Курский государственный технический университет | Device for thermomechanical drilling of bore-holes |
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| CN107152241A (en) * | 2017-07-07 | 2017-09-12 | 中国石油天然气集团公司 | Drag bit device |
| CN107165576A (en) * | 2017-07-07 | 2017-09-15 | 中国石油大学(北京) | Well system |
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|---|---|---|---|---|
| RU2108438C1 (en) * | 1996-04-18 | 1998-04-10 | Курский государственный технический университет | Device for thermomechanical drilling of bore-holes |
| CN202490711U (en) * | 2011-08-29 | 2012-10-17 | 太平洋水处理工程有限公司 | Cyclone-type Venturi jet aeration nozzle |
| CN104863506A (en) * | 2015-04-21 | 2015-08-26 | 中国石油大学(华东) | Jet temperature fracturing device |
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| CN107165576A (en) * | 2017-07-07 | 2017-09-15 | 中国石油大学(北京) | Well system |
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