CN109779528A - Waterpower deepens boring means - Google Patents
Waterpower deepens boring means Download PDFInfo
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- CN109779528A CN109779528A CN201910183214.XA CN201910183214A CN109779528A CN 109779528 A CN109779528 A CN 109779528A CN 201910183214 A CN201910183214 A CN 201910183214A CN 109779528 A CN109779528 A CN 109779528A
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Abstract
The invention discloses a kind of waterpower to deepen boring means, including tool body, tool body has opposite front-end and back-end, and the position by front end is provided with multiple mounting holes, mounting hole is provided with interconnecting piece in the side by front end, and the side away from front end is provided with limiting section；Rotary abrasive jet nozzle in mounting hole is set, and rotary abrasive jet nozzle includes being sequentially communicated: impeller of putting english, mixing section, outlet section；The downstream of the outlet section is provided with installation protective case；Impeller outer of putting english is arranged with outer cylinder, and installation protective case is fixed in mounting hole by the interconnecting piece, and outer cylinder and impeller of putting english are resisted against on limiting section far from the side of front end.The present invention can be crushed Rock in Well by rotary abrasive jet, and then complete pit shaft and rinse or deepen drilling operation, have the advantage that installation is simple, construction effect is excellent.
Description
Technical field
The present invention relates to oil gas well drilling fields more particularly to a kind of waterpower to deepen boring means.
Background technique
With China's rapid economic development, China's petroleum resources situation is increasingly serious, and petroleum Apparent con- sumption is estimated within 2017
5.88 hundred million tons are calculated as, external dependence degree reaches 67.4%, and energy strategy safety problem is prominent.China's old filed is by decades
Exploitation, it is overall to have entered " double height " (high recovery percent of reserves, High water cut) development phase, and a large amount of remaining oil is because of Reservoir Heterogeneity
It is low with quality and be stranded in underground and be difficult to exploit.But from the point of view of current production rate, the 70% of China Petroleum yield still comes from old filed,
Its residual recoverable reserves is still considerable.If by the existing proved reserves estimation of China, 1% recovery ratio of every raising is equivalent to and seeks
Find the new oil field of a several hundred million tonnes of proved reserves.
In order to make full use of the casing resource, land resource and existing well section of drilling well, drilling cost is reduced, old well is deepened
Drilling well is a kind of important development tool.Such as serious carbonate reservoir, Reservoir Body are missed with deep for 6000 meters of Xinjiang
For Caves, missed during drilling well seriously, it is limited so as to cause the Reservoir Body of communication.In deep-well, if using normal
Rule are mechanical to deepen drilling process, generally requires with the use of the mechanical equipments such as drilling machine or power drilling tool, complex process, cost compared with
Height, and there are certain risks.
Accordingly, it is desirable to provide a kind of waterpower deepens boring means, to overcome the deficiencies of existing technologies.
Summary of the invention
Goal of the invention of the invention is the provision of a kind of waterpower intensification boring means, can penetrate by rotating abrasive material
Broken Rock in Well is flowed, and then completes pit shaft and rinses or deepen drilling operation, it is excellent to have that installation is simple, construction effect is excellent
Gesture.
The application embodiment discloses a kind of waterpower intensification boring means, including
Tool body, the tool body are integrally in hollow tubulose, have opposite front-end and back-end, the tool sheet
Body is provided with multiple mounting holes in the position close to the front end, and the mounting hole of the tool body is close to the one of the front end
Side is provided with interconnecting piece, and the side away from the front end is provided with limiting section；The rotation abrasive material being arranged in the mounting hole is penetrated
Flow nozzle, the rotary abrasive jet nozzle includes being sequentially communicated: impeller of putting english, mixing section, outlet section；The outlet section
Downstream is provided with installation protective case；The impeller outer of putting english is arranged with outer cylinder, and the installation protective case is solid by the interconnecting piece
It is scheduled in the mounting hole, the outer cylinder and the impeller of putting english are resisted against on the limiting section far from the side of the front end.
In one preferred embodiment, the mounting hole includes: that center mounting hole and multiple surround are felt at ease in described
The circumferential mounting hole that dress hole is evenly spaced on.
In one preferred embodiment, the broken rock area of each rotary abrasive jet nozzle, which exists, is overlapped, and
Broken rock extension positioned at the nozzle of the tool body extension is greater than the tool body.
In one preferred embodiment, the central axis weight of the central axis of the center mounting hole and the tool body
It closes, is formed with angle between the extending direction and the central axis of the circumferential direction mounting hole.
In one preferred embodiment, the outlet section be hollow revolving body, inside be formed with contraction accelerate
Section with stablize jet segment, the contraction accelerating sections is provided with the bellmouth that sectional area is gradually reduced, for accepting the mixing section
The rotation abrasive material of middle outflow simultaneously is carried out accelerating to be oriented to the stable jet segment.
In one preferred embodiment, the shape of the outlet section is taper；Setting is used in the installation protective case
The bellmouth matched with the outlet section；The outlet section and the installation protective case are mutually cementing.
In one preferred embodiment, the mixing section has the mixing chamber of taper, the mixing chamber lower dimension
Equal with the outlet section upper dimension being mutually connected, the mixing chamber upper dimension is less than the impeller profile diameter of putting english.
In one preferred embodiment, the impeller of putting english is with multiple blades of putting english with rotation angle, institute
The piece number for stating impeller blade of putting english is 3~5, and the angle of putting english is between 120 °~180 °.
In one preferred embodiment, the installation protective case is hollow revolving body, the installation protective case
Outside is provided with external screw thread, and the interconnecting piece of the tool body is the internal screw thread to match with the external screw thread.
In one preferred embodiment, the limiting section is to have multiple apertures what the tool body was arranged
Baffle, the number of the aperture is equal with the number of the mounting hole, and the aperture of the aperture is less than the outer of the impeller of putting english
Diameter.
The features and advantages of the invention are: waterpower provided in the application embodiment deepens boring means using rotation
Abradant jet carries out intensification drilling, in use, waterpower can be deepened drilling tool by conventional oil tubing string or coiled tubing is sent into well
Under, start ground high pressure pump group, high-pressure fluid is transported to effect of the high-pressure fluid through put english impeller and outlet section, tool can be formed
The high speed abradant jet of standby higher radial, tangential velocity, can both increase substantially efficiency of breaking rock, while can form larger area
Broken rock, to complete to deepen drilling operation.
Specifically, since abradant jet itself has higher efficiency of breaking rock, and under the action of putting english impeller, have compared with
High radial direction, tangential velocity, rotary abrasive jet mainly to stretch, shear action fractured rock, it is contemplated that shear of rock, tension
Intensity is about 1/10th of compression strength, therefore can increase substantially efficiency of breaking rock；Simultaneously under the action of putting english impeller,
High-speed jet can form certain diffusion, increase impact range；The waterpower provided in the application embodiment deepens drilling
Front tool EDS maps multiple rotary abrasive jet nozzles, each nozzle broken rock area, which exists, to be overlapped, therefore can be formed complete
Wellbore；Outside distribution nozzles broken rock extension is bigger than tool body, it can be achieved that tool body can smoothly enter into stratum simultaneously, and realization connects
Continuous drilling.
Referring to following description and accompanying drawings, specific implementations of the present application are disclosed in detail, specify the original of the application
Reason can be in a manner of adopted.It should be understood that presently filed embodiment is not so limited in range.In appended power
In the range of the spirit and terms that benefit requires, presently filed embodiment includes many changes, modifications and is equal.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
It uses in a other embodiment, is combined with the feature in other embodiment, or the feature in substitution other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.
Detailed description of the invention
Fig. 1-1 is the schematic diagram that waterpower deepens boring means in the embodiment of the present invention；
Fig. 1-2 is the A-A cross-sectional view that waterpower deepens boring means in the embodiment of the present invention；
Fig. 2-1 is the schematic diagram that waterpower deepens the outlet section in boring means in the embodiment of the present invention；
Fig. 2-2 is the outlet section B-B cross-sectional view that waterpower deepens in boring means in the embodiment of the present invention；
Fig. 3-1 is the schematic diagram that waterpower deepens the mixing section in boring means in the embodiment of the present invention；
Fig. 3-2 is the mixing section C-C cross-sectional view that waterpower deepens in boring means in the embodiment of the present invention；
Fig. 4-1 is the main view that waterpower deepens the impeller of putting english in boring means in the embodiment of the present invention；
Fig. 4-2 is the left view that waterpower deepens the impeller of putting english in boring means in the embodiment of the present invention；
Fig. 4-3 is the 3 D stereo schematic diagram that waterpower deepens the impeller of putting english in boring means in the embodiment of the present invention；
Fig. 5-1 is the schematic diagram that waterpower deepens the nozzle outer cylinder in boring means in the embodiment of the present invention；
Fig. 5-2 is the D-D cut-away view that waterpower deepens the nozzle outer cylinder in boring means in the embodiment of the present invention；
Fig. 6-1 is that the nozzle that waterpower is deepened in boring means in the embodiment of the present invention installs protective case schematic diagram；
Fig. 6-2 is that the nozzle that waterpower is deepened in boring means in the embodiment of the present invention installs protective case E-E cross-sectional view；
Fig. 7-1 is that waterpower deepens boring means ontology schematic diagram in the embodiment of the present invention；
Fig. 7-2 is that waterpower deepens boring means ontology F-F cross-sectional view in the embodiment of the present invention.
Description of symbols:
1, outlet section；11, accelerating sections is shunk；12, stablize jet segment；2, mixing section；21, mixing chamber；3, it puts english impeller；
30, it puts english blade；4, outer cylinder；5, protective case is installed；51, fastener hole；6, tool body；61, circumferential mounting hole；62, it feels at ease in
Fill hole；63, limiting section；64, internal screw thread.
Specific embodiment
With reference to the drawings and the description of the specific embodiments of the present invention, details of the invention can clearly be understood.But
It is the specific embodiment of invention described herein, purpose for explaining only the invention, and cannot understand in any way
At being limitation of the present invention.Under the teachings of the present invention, technical staff is contemplated that based on any possible change of the invention
Shape, these are regarded as belonging to the scope of the present invention.It should be noted that when element is referred to as " being set to " another yuan
Part, it can directly on the other element or there may also be elements placed in the middle.When an element is considered as " connection "
Another element, it can be directly to another element or 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, are also possible to inside two elements
Connection, can be directly connected, can also indirectly connected through an intermediary, for the ordinary skill in the art,
The concrete meaning of above-mentioned term can be understood as the case may be.Term as used herein " vertical ", " horizontal ",
"upper", "lower", "left", "right" and similar statement for illustrative purposes only, are 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.
In order to complete clean-out service in pit shaft fractured rock or form new pit shaft to complete to deepen drilling operation, with
Overcome the problems, such as that process operation difficulty existing in the prior art is big, construction cost is high, safety not can guarantee, in this application
Propose a kind of waterpower intensification boring means.
As shown in Fig. 1-1 to Fig. 1-2, waterpower provided in this specification embodiment is deepened boring means and is mainly wrapped
It includes: tool body 6 and the rotary abrasive jet nozzle being arranged in the tool body 6.Wherein, the rotary abrasive jet nozzle packet
It includes: outlet section 1, mixing section 2, impeller 3 of putting english, outer cylinder 4, installation protective case 5.
It is described in detail below in conjunction with the attached drawing of each components.
As shown in Fig. 7-1 and Fig. 7-2, whole tool body 6 can be hollow tube body, with opposite front end with after
End.Specifically, the tool body 6 can select conventional gas and oil industry tubing, its rear end is provided with conventional tubing thread for connecting
The running string in portion is connected, front end is provided with multiple mounting holes for installing rotary abrasive jet nozzle.The tool body 6
Interconnecting piece is internally provided in the mounting hole by front end.The interconnecting piece is for connecting nozzle installation protective case 5.Specifically, should
Connection can be internal screw thread 64.Certainly, which can also be other forms, and the application does not make specific limit herein.
The tool body 6 is provided with limiting section 63 away from the front end side in the mounting hole, the limiting section 63 for pair
Nozzle outer cylinder 4 and propeller runner carry out axial limiting.Wherein, which can be to have what the tool body 6 was arranged
The baffle of multiple apertures, the number of the aperture is equal with the number of the mounting hole, and the aperture of the aperture is slightly less than described
It puts english the outer diameter of impeller 3, to cooperate the common limit and installation for completing rotary abrasive jet nozzle with installation protective case 5.
Specifically, the mounting hole may include: a center mounting hole 62 and multiple circumferential around the center mounting hole 62
The circumferential mounting hole 61 of distribution.Wherein, which is located at the center of the tool body 6, axially indulges
It is long to extend, there is predetermined depth.Specifically, the central axis of the center mounting hole 62 can be with the center overlapping of axles of tool body 6
Or close coincidence.The number of the circumferential direction mounting hole 61 can be uniformly distributed around center mounting hole 62 is circumferential to be multiple.The circumferential direction
Mounting hole 61 can be along axially extending with the center mounting hole 62 in parallel.
Due to conventional jet it is difficult to ensure that strike area is more than 6 size of tool body.And it is continuously crept into using jet stream broken rock
Process, broken rock area is key problem, if broken rock area is smaller, tool possibly can not pass through and then realize continuous bore
Into.
In one embodiment, the extending direction of the circumferential direction mounting hole 61 can have with the axial direction of center mounting hole 62
Angle is installed in certain inclination.That is, the setting angle in the axially mounted hole can be suitably inclined outwardly according to actual needs,
To guarantee that broken rock area is more than 6 size of tool body, to advantageously ensure that the waterpower deepens boring means and realizes continuous drilling.
It referred to herein as the setting angle of other nozzles, can suitably be inclined outwardly according to actual needs, to guarantee broken rock area
More than 6 size of tool body, conventional jet it is difficult to ensure that, strike area be more than 6 size of tool body；Efficiency of breaking rock and broken rock face
Product relationship is little, and the process continuously crept into using jet stream broken rock, broken rock area is key problem, if broken rock area is smaller,
Tool possibly can not pass through and then realize continuous drilling.
In the present embodiment, the rotary abrasive jet nozzle includes being sequentially communicated: impeller 3 of putting english, mixing section 2,
Outlet section 1；The downstream of the outlet section 1 is provided with installation protective case 5；Outer cylinder 4, the peace are arranged with outside the impeller 3 of putting english
Dress protective case 5 is fixed on the mounting hole close to the position of the front end, and the outer cylinder 4 and the impeller 3 of putting english are far from described
The side of front end is resisted against on the limiting section 63.
Please refer to Fig. 2-1 and Fig. 2-2, wherein outlet section 1 can be hollow revolving body, inside be formed in
Portion's runner.Specifically, first internal flow includes: to shrink accelerating sections 11 and stablize jet segment 12.Wherein, accelerating sections 11 is shunk
It is provided with the bellmouth that sectional area is gradually reduced, for accepting the rotation abrasive material flowed out in mixing section 2 and being carried out accelerating to lead
To stablizing jet segment 12.The stable jet segment 12, which is used to accept, to be retracted the rotation abrasive material after accelerating sections 11 accelerates and is stablized
It is projected in higher speed.
Specifically, outlet section 1 can be made of wear-resistant material.In general, the hardness of 1 material of outlet section is larger, therefore nothing
Method processes screw thread.It can be connected in such a way that glue is solid between the outlet section 1 and installation protective case 5.Specifically, in order to guarantee
Leakproofness and fastness when glue is solid, the shape of the outlet section 1 can be taper；Correspondingly, setting is used in the installation protective case 5
The bellmouth matched with the conical outlet section 1.The outlet section 1 can be mutually cementing with the installation protective case 5, on the one hand protects
The fastness of both cards connection, another aspect cementation method match the leakproofness for guaranteeing link position with pyramidal structure.
When ground assembles, outlet section 1 is fitted into installation protective case 5 by seccotine first, to the two cooperation position
Stand solidification after, successively outer cylinder 4, impeller 3 of putting english, mixing section 2 are fitted into tool body 6, finally by install protective case 5 outside
Outlet section 1 is installed in tool body 6 by the screw thread of side, while by limiting before and after installation protective case 5 and limiting section 63, being completed
The installation of single rotary abrasive jet nozzle.
According to actual needs, to achieve the purpose that packed hole drilling, stream pressure relationship and single injector broken rock face can be comprehensively considered
Product, optimization design waterpower deepen boring means front end face rotary abrasive jet arrangement of nozzles, complete whole nozzles according to design
Installation.
The aperture of nozzle and quantity determine that waterpower deepens the equivalent diameter of boring means outlet.Tool outlet equivalent diameter
It is bigger, need bigger discharge capacity to can be only achieved broken rock threshold pressure.In view of working string presses consumption and ground installation to hold along journey
Pressure energy power, the tool outlet equivalent diameter, the i.e. diameter of nozzle and quantity needs are optimized according to different hole conditions.
After the completion of tool assemble, waterpower can be deepened into drilling tool by conventional oil tubing string or coiled tubing and be sent into underground, starting
High-pressure fluid is transported to effect of the high-pressure fluid through put english impeller 3 and outlet section 1 by ground high pressure pump group, can be formed have compared with
The high speed abradant jet of high radial, tangential velocity can both increase substantially efficiency of breaking rock, while can form the broken of larger area
Rock, to complete to deepen drilling operation.
Waterpower provided in the application embodiment deepens boring means and carries out intensification drilling using rotary abrasive jet,
Abradant jet itself has higher efficiency of breaking rock, and under the action of putting english impeller 3, have higher radial direction, tangential velocity,
Rotary abrasive jet is mainly with stretching, shear action fractured rock, it is contemplated that shear of rock, tensile strength are about compression strength
1/10th, therefore efficiency of breaking rock can be increased substantially；Meanwhile under the action of putting english impeller 3, high-speed jet can form one
Fixed diffusion increases impact range；The waterpower provided in the application embodiment is deepened boring means front end face and is dispersed with
Multiple rotary abrasive jet nozzles, each nozzle broken rock area, which exists, to be overlapped, therefore can form complete wellbore；Meanwhile outside
Distribution nozzles broken rock extension is bigger than tool body 6, it can be achieved that tool body 6 can smoothly enter into stratum, the continuous drilling of realization.
As shown in Fig. 3-1 and Fig. 3-2, mixing section 2 can be made of wear-resistant material.The inside of the mixing section 2 is also formed with
Mixing chamber 21, the mixing chamber 21 complete the mixing and contraction of multiply incoming flow for accepting the rotation abrasive material after impeller 3 of putting english is put english
Accelerate.Specifically, the mixing chamber 21 of the mixing section 2 can be pyramidal structure, inside 21 lower dimension of mixing chamber and outlet section 1
Runner upper dimension is equal, and 21 upper dimension ratio of mixing chamber, 3 profile diameter of impeller of putting english is smaller, to carry out to impeller 3 of putting english
Limit.
As shown in Fig. 4-1 to Fig. 4-3, impeller 3 of putting english can be made of wear-resistant material, and the impeller 3 of putting english is with multiple tools
There is the blade 30 of putting english of rotation angle.The parameters such as 3 quantity of impeller, angle of putting english, lead of putting english of the impeller 3 of putting english are according to reality
The setting of border situation.The impeller 3 of putting english may be mounted in nozzle outer cylinder 4, and main function is that guidance high-pressure fluid does rotation fortune
It is dynamic, make high-pressure fluid radial direction with higher, tangential velocity, mainly the fractured rock in the form of shearing, stretch etc., can be improved broken rock
Efficiency.
Wherein, the broken rock area of single-nozzle is influenced by impeller 3 of putting english, impeller 3 of putting english make high-velocity fluid have compared with
Big tangential, radial velocity but if excessively dispersing then hitting power variation, therefore needs so that jet stream diverging impact range increases
To carry out optimization design according to actual needs.
3 quantity of impeller, angle of putting english, the lead parameter of putting english are the important technological parameters of impeller 3 of putting english, optimization aim
Function is design impact area, is mainly determined by way of numerical simulation.Preferably, 3, impeller of putting english can be 3~5,
Angle of putting english can be 120 °~180 °, and lead can be determines according to actual conditions.
As shown in Fig. 5-1 and Fig. 5-2, outer cylinder 4 can be made of wear-resistant material, which can be in hollow tubular,
Outer diameter can be equal with 2 outer diameter of mixing section, and internal diameter can be suitable with 3 outer diameter of impeller of putting english, and is mainly used for preventing tool body 6 from grinding
Damage.
As shown in Fig. 6-1 and Fig. 6-2, installation protective case 5 can be made of common iron, and the installation protective case 5 is whole to be in
Hollow revolving body, one side are used for protection exit section 1, on the other hand for connecting with tool body 6, realize the one of nozzle
Lateral confinement position.Specifically, the 5 upper end internal structure of installation protective case is consistent with 1 shape of outlet section, lower end internal structure is that flowing is logical
Road, outside are provided with external screw thread, can be connected with tool body 6 and play position-limiting action simultaneously.The installation protective case 5 is in its front end
Inward-facing to can be set there are two fastener hole 51, which is mainly used for completing the installation of installation protective case 5.
Herein cited any digital value all include between lower limit value to upper limit value with the lower value of an incremented and
The all values of upper value, there are the intervals of at least two units between any lower value and any much higher value.For example, such as
Fruit elaborates that the quantity an of component or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20
To 80, more preferably from 30 to 70, then purpose is arrived in order to illustrate also clearly listing such as 15 to 85,22 in the specification
68,43 to 51,30 to 32 is equivalent.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1.
These are only intended to the example clearly expressed, it is believed that all possibility for the numerical value enumerated between minimum and peak
Combination is all expressly set forth in the specification in a similar manner.
Unless otherwise indicated, all ranges all include all numbers between endpoint and endpoint.It is used together with range
" about " or " approximation " be suitable for two endpoints of the range.Thus, " about 20 to 30 " are intended to cover that " about 20 to about
30 ", including at least the endpoint indicated.
All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot
Together in this.Describing combined term " substantially by ... constitute " should include identified element, ingredient, component or step and reality
Other elements, ingredient, component or the step of the basic novel feature of the combination are not influenced in matter.Using term "comprising" or
" comprising " describes the combination of element here, ingredient, component or step it is also contemplated that substantially by these elements, ingredient, component
Or the embodiment that step is constituted.Here by using term " can with ", it is intended to illustrate that " can with " includes described any
Attribute is all optional.
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.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
It states, many embodiments and many applications except provided example all will be aobvious and easy for a person skilled in the art
See.Therefore, the range of this introduction should not be determined referring to foregoing description, but should referring to appended claims and this
The full scope of the equivalent that a little claims are possessed determines.For comprehensive purpose, all articles and with reference to including special
The disclosure of benefit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as inventor the theme is not thought of as it is disclosed
A part of subject matter.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
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 waterpower deepens boring means characterized by comprising
Tool body, the tool body are integrally in hollow tubulose, have opposite front-end and back-end, and the tool body exists
The position of the front end is provided with multiple mounting holes, the mounting hole of the tool body is set in the side close to the front end
It is equipped with interconnecting piece, the side away from the front end is provided with limiting section；
Rotary abrasive jet nozzle in the mounting hole is set, and the rotary abrasive jet nozzle includes being sequentially communicated:
It puts english impeller, mixing section, outlet section；The downstream of the outlet section is provided with installation protective case；The impeller outer of putting english is arranged with
Outer cylinder, the installation protective case are fixed in the mounting hole by the interconnecting piece, and the outer cylinder and the impeller of putting english are remote
Side from the front end is resisted against on the limiting section.
2. waterpower as described in claim 1 deepens boring means, which is characterized in that the mounting hole includes: center mounting hole
With multiple circumferential mounting holes being evenly spaced on around the center mounting hole.
3. waterpower as claimed in claim 2 deepens boring means, which is characterized in that each rotary abrasive jet nozzle
Broken rock area, which exists, to be overlapped, and the broken rock extension for being located at the nozzle of the tool body extension is greater than the tool body.
4. waterpower as claimed in claim 3 deepens boring means, which is characterized in that the central axis of the center mounting hole and institute
The center overlapping of axles of tool body are stated, are formed with angle between the extending direction and the central axis of the circumferential direction mounting hole.
5. waterpower as described in claim 1 deepens boring means, which is characterized in that the outlet section is hollow revolving body,
It is formed with inside it and shrinks accelerating sections and stablize jet segment, the contraction accelerating sections is provided with the taper that sectional area is gradually reduced
Hole, for accepting the rotation abrasive material flowed out in the mixing section and being carried out accelerating to be oriented to the stable jet segment.
6. waterpower as described in claim 1 deepens boring means, which is characterized in that the shape of the outlet section is taper；Institute
It states in installation protective case and the bellmouth matched with the outlet section is set；The outlet section and the installation protective case phase glue
Knot.
7. waterpower as described in claim 1 deepens boring means, which is characterized in that the mixing section has the mixing of taper
Chamber, the mixing chamber lower dimension is equal with the outlet section upper dimension being mutually connected, and the mixing chamber upper dimension is less than
The impeller profile diameter of putting english.
8. waterpower as described in claim 1 deepens boring means, which is characterized in that the impeller of putting english has rotation with multiple
The blade of putting english of gyration, the piece number of the impeller blade of putting english are 3~5, and the angle of putting english is between 120 °~180 °.
9. waterpower as described in claim 1 deepens boring means, which is characterized in that the installation protective case is hollow revolution
Body, external screw thread is provided on the outside of the installation protective case, and the interconnecting piece of the tool body is to match with the external screw thread
Internal screw thread.
10. waterpower as described in claim 1 deepens boring means, which is characterized in that the limiting section is in the tool sheet
The baffle with multiple apertures of body setting, the number of the aperture is equal with the number of the mounting hole, the hole of the aperture
Diameter is less than the outer diameter of the impeller of putting english.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910183214.XA CN109779528B (en) | 2019-03-12 | 2019-03-12 | Hydraulic deepening drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910183214.XA CN109779528B (en) | 2019-03-12 | 2019-03-12 | Hydraulic deepening drilling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109779528A true CN109779528A (en) | 2019-05-21 |
| CN109779528B CN109779528B (en) | 2020-10-16 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910183214.XA Active CN109779528B (en) | 2019-03-12 | 2019-03-12 | Hydraulic deepening drilling tool |
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| CN (1) | CN109779528B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248203A (en) * | 2020-09-24 | 2022-03-29 | 中国石油天然气集团有限公司 | Cyclone cutting tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109779528B (en) | 2020-10-16 |
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