CN207420474U - A kind of down-hole hammer crossover sub, down-hole hammer drilling rod and down-hole hammer - Google Patents
A kind of down-hole hammer crossover sub, down-hole hammer drilling rod and down-hole hammer Download PDFInfo
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- CN207420474U CN207420474U CN201721471439.8U CN201721471439U CN207420474U CN 207420474 U CN207420474 U CN 207420474U CN 201721471439 U CN201721471439 U CN 201721471439U CN 207420474 U CN207420474 U CN 207420474U
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- crossover sub
- drilling rod
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Abstract
The utility model is related to circulating drilling technologies, provide a kind of down-hole hammer crossover sub, down-hole hammer drilling rod and down-hole hammer.Wherein, down-hole hammer crossover sub including interior pipeline section and outer segment, is formed with the first space, second space is formed in said inner tube section between said inner tube section and the outer segment；Baffle is provided in said inner tube section, the second space is separated to form in top space in space and lower part；Space and first space communicate in the lower part, and space and the corresponding drilling well annular space of the down-hole hammer crossover sub communicate in the top.Counterflush drilling technology may be employed in down-hole hammer equipped with the down-hole hammer crossover sub, and bits are returned so as to which the mode that traditional drilling well annular space is returned to bits is changed to space in drilling rod, so as to solve the problems, such as that traditional down-hole hammer needs to increase pneumatics acc power in some cases.
Description
Technical field
The utility model is related to counterflush drilling technologies, provide a kind of down-hole hammer crossover sub, down-hole hammer drilling rod and down-the-hole
Hammer.
Background technology
Conventional down-hole hammer probing is crept into hard crisp stable rock stratum can increase substantially drilling efficiency, shorten the cycle, reduce and bore
Well cost and be conducive to quick well formation.But in stratum gas blowby, landwaste can not on return to aperture；Or hole depth it is deeper when,
Since annular space area is larger, wind speed is slack-off, equally can not landwaste be blown out aperture；Simultaneously as landwaste upward velocity reduces, hold
It is easily adhered on drilling rod or the borehole wall, forms sand bridge so as to cause bit freezing.Throwing can be increased by increasing the solution method of high-power air compressor machine
Enter cost so as to reduce benefit.
Utility model content
The utility model is intended at least solve one of technical problem present in the prior art or correlation technique.
One of purpose of the utility model is：A kind of down-hole hammer crossover sub, down-hole hammer drilling rod and down-hole hammer are provided,
It solves to need to increase pneumatics acc power when down-hole hammer in the prior art is applied to stratum gas blowby, hole depth relatively depth
Problem.
In order to realize the purpose, the utility model provides a kind of down-hole hammer crossover sub, including interior pipeline section and outer segment,
The first space is formed between said inner tube section and the outer segment, second space is formed in said inner tube section；Said inner tube
Baffle is provided in section, the second space is separated to form in top space in space and lower part；In the lower part space and
First space communicates, and space and the corresponding drilling well annular space of the down-hole hammer crossover sub communicate in the top.
The technical solution of the utility model has the following advantages：Down-hole hammer equipped with the down-hole hammer crossover sub, can be with
Using counterflush drilling technology, bits are returned so as to which the mode that traditional drilling well annular space is returned to bits is changed to space in drilling rod, so as to solve
The problem of traditional down-hole hammer needs to increase pneumatics acc power in some cases.
Preferably, it is provided with block piece on the tube wall of the outer segment, drilling well annular space is separated to form top in the course of work
Annular space and lower part annular space, and space communicates in the lower part annular space and the top.
Preferably, the block piece is the air bag communicated with first space, so as to when air pressure raises in the first space
The air bag is softened.
Preferably, the block piece is located above the baffle.
Preferably, said inner tube section and the outer segment are coaxially disposed and cross section is circle.
Preferably, when being provided with block piece on the tube wall of the outer segment, it is located in the outer segment below the block piece
First annular hole is offered, is located in said inner tube section above the baffle and offers the second looping pit, so that the top
Interior space and the drilling well annular space communicate.
Preferably, in said inner tube section, the 3rd looping pit is offered below the baffle, so that in the lower part
Space and first space communicate.
The utility model also provides a kind of down-hole hammer drilling rod, and the down-hole hammer drilling rod is double-wall drill pipe, including inner tube and outside
Pipe；The down-hole hammer drilling rod bottom is formed with above-mentioned down-hole hammer crossover sub, and wherein said inner tube axially extending obtains institute along its
State interior pipeline section, the outer tube axially extending obtains the outer segment along its.
The utility model also provides a kind of down-hole hammer, including above-mentioned down-hole hammer drilling rod.
The utility model also provides a kind of down-hole hammer, and including double-wall drill pipe, the double-wall drill pipe includes inner and outer tubes；Institute
It states double-wall drill pipe bottom and connects above-mentioned down-hole hammer crossover sub, and the outer tube connects the outer segment, said inner tube connection institute
State interior pipeline section.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the down-hole hammer drilling rod of embodiment one；
Fig. 2 is the partial schematic diagram of the down-hole hammer drilling rod of embodiment one；
Fig. 3 is the structure diagram of the down-hole hammer crossover sub of embodiment two；
In figure：1st, inner tube；2nd, outer tube；3rd, baffle；4th, air bag；5th, first annular hole；6th, the second looping pit；7th, the 3rd annular
Hole；8th, air outlet；9th, the borehole wall；10th, ground；11st, interior pipeline section；12nd, outer segment.
Specific embodiment
In order to be more clearly understood that the above-mentioned purpose of the utility model, feature and advantage, below in conjunction with the accompanying drawings and have
The utility model is further described in detail in body embodiment.It should be noted that in the case where there is no conflict, this Shen
The feature in embodiment and embodiment please can be mutually combined.
, it is necessary to explanation in the description of the utility model, term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instructions such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the utility model.In addition, term " first ", " second ", " the 3rd " are only used for description purpose, and it is not intended that
Instruction implies relative importance.
, it is necessary to illustrate in the description of the utility model, unless otherwise clearly defined and limited, term " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary.For this
For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
Embodiment one
Fig. 1 is referred to, the down-hole hammer drilling rod of the present embodiment one, the down-hole hammer drilling rod is double-wall drill pipe, including 1 He of inner tube
Outer tube 2 is formed with the first space, second space is formed in said inner tube 1 between said inner tube 1 and the outer tube 2；In described
Positon of near bottom is provided with baffle 3 in pipe 1, the second space is separated to form in top space in space and lower part；It is described
Space and first space communicate in lower part, and space and drilling well annular space communicate in the top.
Include the down-hole hammer of the down-hole hammer drilling rod, counterflush drilling technology may be employed, so as to by traditional drilling well ring
The mode that sky returns bits is changed to space in drilling rod and returns bits, needs to increase air compressor machine in some cases so as to solve traditional down-hole hammer
The problem of power.
Specifically, in the down-hole hammer course of work including the down-hole hammer drilling rod, gas is injected to the first space by air compressor machine
Stream, air-flow enter space in the lower part in inner tube 1 by the first space.Due to being provided with baffle 3, air-flow in inner tube 1
It is moved to after moving to the bottom of inner tube 1 in space downward in lower part in drilling well annular space, air-flow enters from drilling well annular space afterwards
In top in space, and it is back to along inner tube 1 top of inner tube 1.Wherein, the direction of motion of air-flow refers to the arrow in Fig. 1
Head direction.In this way, air-flow cutting carring moves to well head, so that landwaste is discharged from inner tube 1.
It will be apparent that since landwaste is discharged from inner tube 1, and the cross sectional dimensions of inner tube 1 is smaller, so as to not increase pneumatics
It can be in order to the discharge of landwaste in the case of acc power.Also, in the case of this kind, the upward velocity of landwaste is very fast.And it is needing
In the case of the pneumatics acc power wanted is specific, by using the down-hole hammer drilling rod of the present embodiment one, drilling well annular space can reduce；And
Drilling rod weight will not increase will not even increase too much, and down-hole hammer promotes hypodynamic problem after avoiding drilling rod instead.
It is noted that since landwaste is without the discharge of drilling well annular space, can effectively solve stratum gas blowby landwaste can not
On the problem of returning and the problem of adherency bit freezing, reduced wind section, and can also be effectively increased wind speed, solve the problems, such as air quantity.
Air-flow cutting carring is moved along drilling well annular space towards well head in order to prevent, and gear can be set on the tube wall of outer tube 2
Part.In the course of work, which is separated to form upper annulus and lower part annular space by drilling well annular space, and the lower part annular space and described
Space communicates in top.So as to which air-flow space out of lower part enters lower part annular space, then enters sky in top by lower part annular space
Between.
Wherein, block piece is preferably set against the bottom of outer wall, so that the landwaste up moved along drilling well annular space is more
It is few.
In order to enable the down-hole hammer drilling rod of the present embodiment adapts to various sizes of drilling well annular space, preferably block piece selection size can
The form of tune.For example, it is preferable to still necessarily block piece is air bag 4, so as to tackle various sizes of drilling well annular space, by controlling gas
The gas flow injected in capsule 4 adjusts the size of air bag 4.
Wherein, air bag 4 can be communicated with the first space.During construction, with air compressor machine to the first space inject compressed gas,
Air pressure in first space gradually rises and injects gases at high pressure into air bag 4, and the borehole wall 9 is propped up until air bag 4 is softened.
It is preferred that but necessarily block piece is located at 3 top of the baffle, as shown in Figure 1, convenient for landwaste from lower loop in the air into
Enter into top in space.
In the present embodiment, preferably inner tube 1 and the outer tube 2 are coaxially disposed and cross section is circle, consequently facilitating standard
Change and design and produce.
It should be noted that the cross section of inner tube 1 and outer tube 2 is unrestricted, such as the cross section of inner tube 1 and outer tube 2 can
Think circle, rectangle, ellipse etc..Also, inner tube 1 and outer tube 2 are also not necessarily intended to be coaxially disposed.
When the cross section of inner tube 1 and the outer tube 2 is circle, and is provided with block piece on the tube wall of the outer tube 2：
It is located on the outer tube 2 below the block piece and offers first annular hole 5, the baffle 3 is located in said inner tube 1
Top offers the second looping pit 6, so that space and the drilling well annular space communicate in the top；
Further, in said inner tube 1, the 3rd looping pit 7 is offered positioned at 3 lower section of baffle, so that under described
Space and first space communicate in portion.
Certainly it should be noted that in order to enable space communicates and in order to enable in lower part in drilling well annular space and top
Space and first space communicate, and the shape in inner tube 1 and the hole on outer tube 2 is not necessarily intended to be annular, can also be other
Shape of anticipating.Also, the position in inner tube 1 and the hole on outer tube 2 is also unrestricted, as long as meeting " space in well annular space and top
Communicate " and " space and first space communicate in lower part " requirement.
For the ease of being passed through compressed gas to the first space, preferably it is provided with and send close to the position of top port in outer tube 2
Air port 8, and the air outlet 8 is connected to the air supply duct of air compressor machine, refer to Fig. 2.And it is found from Fig. 2, down-hole hammer drilling rod
Top, it is closed between the inside of outer tube 2 and 1 outside of inner tube, so as to ensure compressed gas by air outlet 8 into the first space it
Downward air-flow is formed afterwards.And it is found by Fig. 1, air outlet is located at the top on ground 10, consequently facilitating being sent with air compressor machine
Wind pipeline connects.
The present embodiment one also provides a kind of down-hole hammer, including sequentially connected tup, impactor, drill collar, drilling rod and active
Power head.
Wherein, tup preferably still necessarily uses conventional two spudding well bit size 215.9mm down-hole hammer impact hammer heads,
Drill collar is preferably necessarily still two, and preferably drill collar diameter 178mm, joint length about 9.15m or so.
Embodiment two
The present embodiment two provides a kind of down-hole hammer crossover sub, and the structure of the down-hole hammer drilling rod bottom of embodiment one is
Identical, refer to Fig. 3.
Therefore with embodiment one the difference is that, two down-hole hammer drilling rod of the present embodiment and down-hole hammer crossover sub are two
A mutual independent structure.And in embodiment one, drift crossover sub is formed directly on down-hole hammer drilling rod.
In Fig. 3, the down-hole hammer crossover sub of the present embodiment two, including interior pipeline section 11 and outer segment 12, said inner tube section 11
The first space is formed between the outer segment 12, second space is formed in said inner tube section 11；In said inner tube section 11
Baffle 3 is provided with, the second space is separated to form in top space in space and lower part；Space and described in the lower part
First space communicates, and space and the corresponding drilling well annular space of the down-hole hammer crossover sub communicate in the top.
The down-hole hammer crossover sub of the present embodiment two is connected to the bottom of double-wall drill pipe so that the inner tube 1 of double-wall drill pipe
It being connected with the interior pipeline section 11 of down-hole hammer crossover sub, the outer tube 2 of double-wall drill pipe and the outer segment 12 of down-hole hammer crossover sub connect,
Obtain down-hole hammer double-wall drill pipe component.The double-wall drill pipe component and the effect of the down-hole hammer drilling rod of embodiment one communicate completely.
Since the down-hole hammer crossover sub of the present embodiment two and the down-hole hammer drilling rod polycrystalline substance of embodiment one are identical,
Therefore the structure of down-hole hammer crossover sub is not repeated herein.
The present embodiment two also provides a kind of down-hole hammer, including above-mentioned down-hole hammer double-wall drill pipe component.
Due to the double-wall drill pipe of down-hole hammer double-wall drill pipe component and the complete phase of down-hole hammer drilling rod superstructure of embodiment one
Together, therefore the structure of double-wall drill pipe is not repeated herein.
It is noted that the down-hole hammer double-wall drill pipe component of embodiment two, since double-wall drill pipe and down-hole hammer conversion connect
Head is independent of each other, therefore convenient for the maintenance and replacement of down-hole hammer crossover sub, and improve the versatility of down-hole hammer.
Embodiment of above is merely to illustrate the utility model rather than the limitation to the utility model.Although with reference to implementation
The utility model is described in detail in example, it will be understood by those of ordinary skill in the art that, to the technology of the utility model
Scheme carries out various combinations, modification or equivalent substitution, should all without departure from the spirit and scope of technical solutions of the utility model
Cover among the right of the utility model.
Claims (10)
1. a kind of down-hole hammer crossover sub, which is characterized in that including interior pipeline section and outer segment, said inner tube section and the outer segment
Between be formed with the first space, be formed with second space in said inner tube section；Baffle is provided in said inner tube section, by described
Two spaces are separated to form in top space in space and lower part；Space and first space communicate in the lower part, it is described on
Space and the corresponding drilling well annular space of the down-hole hammer crossover sub communicate in portion.
2. down-hole hammer crossover sub according to claim 1, which is characterized in that gear is provided on the tube wall of the outer segment
Drilling well annular space is separated to form upper annulus and lower part annular space in the course of work by part, and in the lower part annular space and the top
Space communicates.
3. down-hole hammer crossover sub according to claim 2, which is characterized in that the block piece be and first space phase
Logical air bag, so that the air bag is softened when air pressure rise in the first space.
4. down-hole hammer crossover sub according to claim 2, which is characterized in that the block piece is located above the baffle.
5. down-hole hammer crossover sub as claimed in any of claims 1 to 4, which is characterized in that said inner tube section and
The outer segment is coaxially disposed and cross section is circle.
6. down-hole hammer crossover sub according to claim 5, which is characterized in that be provided with when on the tube wall of the outer segment
It is located at during block piece, in the outer segment below the block piece and offers first annular hole, the baffle is located in said inner tube section
Top offers the second looping pit, so that space and the drilling well annular space communicate in the top.
7. down-hole hammer crossover sub according to claim 5, which is characterized in that in said inner tube section, positioned at the baffle
Lower section offers the 3rd looping pit, so that space and first space communicate in the lower part.
8. a kind of down-hole hammer drilling rod, which is characterized in that the down-hole hammer drilling rod is double-wall drill pipe, including inner and outer tubes；It is described
Down-hole hammer drilling rod bottom is formed in claim 1 to 7 the down-hole hammer crossover sub described in any one, wherein said inner tube edge
Its is axially extending to obtain said inner tube section, and the outer tube axially extending obtains the outer segment along its.
9. a kind of down-hole hammer, which is characterized in that including the down-hole hammer drilling rod described in claim 8.
10. a kind of down-hole hammer, which is characterized in that including double-wall drill pipe, the double-wall drill pipe includes inner and outer tubes；The double-walled
Drilling rod bottom is connected in claim 1 to 7 the down-hole hammer crossover sub described in any one, and outer tube connection is described outer
Pipeline section, said inner tube connection said inner tube section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721471439.8U CN207420474U (en) | 2017-11-07 | 2017-11-07 | A kind of down-hole hammer crossover sub, down-hole hammer drilling rod and down-hole hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721471439.8U CN207420474U (en) | 2017-11-07 | 2017-11-07 | A kind of down-hole hammer crossover sub, down-hole hammer drilling rod and down-hole hammer |
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| Publication Number | Publication Date |
|---|---|
| CN207420474U true CN207420474U (en) | 2018-05-29 |
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| CN201721471439.8U Active CN207420474U (en) | 2017-11-07 | 2017-11-07 | A kind of down-hole hammer crossover sub, down-hole hammer drilling rod and down-hole hammer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107724970A (en) * | 2017-11-07 | 2018-02-23 | 北京泰利新能源科技发展有限公司 | A kind of down-hole hammer crossover sub, down-hole hammer drilling rod and down-hole hammer |
-
2017
- 2017-11-07 CN CN201721471439.8U patent/CN207420474U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107724970A (en) * | 2017-11-07 | 2018-02-23 | 北京泰利新能源科技发展有限公司 | A kind of down-hole hammer crossover sub, down-hole hammer drilling rod and down-hole hammer |
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