CN107724970A - 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
- Publication number
- CN107724970A CN107724970A CN201711085973.XA CN201711085973A CN107724970A CN 107724970 A CN107724970 A CN 107724970A CN 201711085973 A CN201711085973 A CN 201711085973A CN 107724970 A CN107724970 A CN 107724970A
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- Prior art keywords
- space
- hole hammer
- inner tube
- crossover sub
- drilling rod
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Links
- 238000005553 drilling Methods 0.000 title claims abstract description 66
- 238000005516 engineering process Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 10
- 230000008901 benefit Effects 0.000 description 3
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to circulating drilling technology, there is provided 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, formed with the first space between said inner tube section and the outer segment, formed with second space in said inner tube section；Baffle plate is provided with said inner tube section, the second space is separated to form in top space in space and bottom；Space and first space communicate in the bottom, and drilling well annular space corresponding to space and the down-hole hammer crossover sub communicates in the top.Down-hole hammer provided with the down-hole hammer crossover sub, it can use counterflush drilling technology, be changed to space in drilling rod so as to which traditional drilling well annular space to be returned to the mode of bits and return bits, so as to solve the problems, such as that traditional down-hole hammer needs increase pneumatics acc power in some cases.
Description
Technical field
The present invention relates to counterflush drilling technology, there is provided a kind of down-hole hammer crossover sub, down-hole hammer drilling rod and down-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 advantageous to quick well formation.But in the case of the gas blowby of stratum, landwaste can not on return to aperture；Or hole depth it is deeper when,
Because annular space area is larger, wind speed is slack-off, equally landwaste can not be blown out into aperture；Simultaneously as landwaste upward velocity reduces, hold
Easily it is 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.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art or correlation technique.
The present invention one of purpose be：A kind of down-hole hammer crossover sub, down-hole hammer drilling rod and down-hole hammer are provided, solved
Down-hole hammer present in prior art needs to increase asking for pneumatics acc power when being applied to stratum gas blowby, hole depth relatively depth
Topic.
It is described the invention provides a kind of down-hole hammer crossover sub, including interior pipeline section and outer segment in order to realize the purpose
Formed with the first space between interior pipeline section and the outer segment, formed with second space in said inner tube section；In said inner tube section
Baffle plate is provided with, the second space is separated to form in top space in space and bottom；Space and described in the bottom
First space communicates, and drilling well annular space corresponding to space and the down-hole hammer crossover sub communicates in the top.
Technical scheme has advantages below：Down-hole hammer provided with the down-hole hammer crossover sub, it can be used
Counterflush drilling technology, it is changed to space in drilling rod so as to which traditional drilling well annular space to be returned to the mode of bits and returns bits, so as to solves biography
The problem of system 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 bottom annular space, and space communicates in the bottom 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 plate.
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, in the outer segment below the block piece
First annular hole is offered, the second looping pit is offered above the baffle plate in said inner tube section, to cause 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 plate, to cause in the bottom
Space and first space communicate.
The present invention also provides a kind of down-hole hammer drilling rod, and the down-hole hammer drilling rod is double-wall drill pipe, including inner and outer tubes；Institute
Down-hole hammer drilling rod bottom is stated formed with above-mentioned down-hole hammer crossover sub, wherein said inner tube axially extending obtains said inner tube along its
Section, the outer tube axially extending obtain the outer segment along its.
The present invention also provides a kind of down-hole hammer, including above-mentioned down-hole hammer drilling rod.
The present invention also provides a kind of down-hole hammer, including double-wall drill pipe, and the double-wall drill pipe includes inner and outer tubes；It is described double
Wall drilling rod bottom connects above-mentioned down-hole hammer crossover sub, and the outer tube connects the outer segment, and said inner tube connection is described interior
Pipeline section.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation 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 structural representation of the down-hole hammer crossover sub of embodiment two；
In figure：1st, inner tube；2nd, outer tube；3rd, baffle plate；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.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
In the description of the invention, it is necessary to explanation, term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction 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 the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or dark
Show relative importance.
In the description of the invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " connected ", " connects
Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected；It can be machine
Tool connects or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary.For this area
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment one
Refer to Fig. 1, the down-hole hammer drilling rod of the present embodiment one, the down-hole hammer drilling rod is double-wall drill pipe, including the He of inner tube 1
Outer tube 2, formed with the first space between said inner tube 1 and the outer tube 2, formed with second space in said inner tube 1；In described
Bottom end is provided with baffle plate 3 in pipe 1, the second space is separated to form in top space in space and bottom；It is described
Space and first space communicate in bottom, and space and drilling well annular space communicate in the top.
Include the down-hole hammer of the down-hole hammer drilling rod, it can use counterflush drilling technology, 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 bottom in inner tube 1 by the first space.Due to being provided with baffle plate 3, therefore air-flow in inner tube 1
Moved to after moving to the bottom of inner tube 1 in space down in bottom 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 because landwaste is discharged from inner tube 1, and the cross sectional dimensions of inner tube 1 is smaller, so as to not increase pneumatics
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 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, after avoiding drilling rod instead the problem of down-hole hammer lifting force deficiency.
It is noted that because 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 adhesion bit freezing, reduced wind section, and can also be effectively increased wind speed, solve the problems, such as air quantity.
In order to prevent air-flow cutting carring from being moved along drilling well annular space towards well head, gear can be set on the tube wall of outer tube 2
Part.In the course of work, drilling well annular space is separated to form upper annulus and bottom annular space by the block piece, and the bottom annular space and described
Space communicates in top.So as to which air-flow space out of bottom enters bottom annular space, then enters sky in top by bottom 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 that the down-hole hammer drilling rod for obtaining 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 communicate with the first space.During construction, with air compressor machine to the first space inject compressed gas,
Air pressure in first space is gradually risen 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 positioned at the top of the baffle plate 3, as shown in figure 1, being easy to landwaste to enter in the air from lower loop
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：
First annular hole 5 is offered below the block piece on the outer tube 2, is located at the baffle plate 3 in said inner tube 1
Top offers the second looping pit 6, make it 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 the lower section of the baffle plate 3, with cause it is described under
Space and first space communicate in portion.
Certainly it should be noted that being communicated in order that obtaining space in drilling well annular space and top, and in order that obtain in bottom
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 bottom " 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 found from Fig. 2, down-hole hammer drilling rod
Top, it is closed between the inner side of outer tube 2 and the outside of inner tube 1, so as to ensure compressed gas by air outlet 8 enter the first space it
Downward air-flow is formed afterwards.And 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 tup, impactor, drill collar, drilling rod and the active being sequentially connected
Power head.
Wherein, tup preferably still necessarily impacts tup using conventional two spudding well bit size 215.9mm down-hole hammers,
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 itself and embodiment one is
Identical, refer to Fig. 3.
Therefore, it is with the difference of embodiment one, the down-hole hammer drilling rod of the present embodiment two and down-hole hammer crossover sub are two
Individual 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
Formed with the first space between the outer segment 12, formed with second space in said inner tube section 11；In said inner tube section 11
Baffle plate 3 is provided with, the second space is separated to form in top space in space and bottom；Space and described in the bottom
First space communicates, and drilling well annular space corresponding to space and the down-hole hammer crossover sub communicates 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
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.
Because 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, because double-wall drill pipe and down-hole hammer conversion connect
Head is independent mutually, therefore is easy to the maintenance and replacing of down-hole hammer crossover sub, and improves the versatility of down-hole hammer.
Embodiment of above is merely to illustrate the present invention, rather than limitation of the present invention.Although with reference to embodiment to this hair
It is bright to be described in detail, it will be understood by those within the art that, to technical scheme carry out it is various combination,
Modification or equivalent substitution, without departure from the spirit and scope of technical solution of the present invention, the right that all should cover in the present invention is wanted
Ask among scope.
Claims (10)
- A kind of 1. down-hole hammer crossover sub, it is characterised in that including interior pipeline section and outer segment, said inner tube section and the outer segment Between formed with the first space, formed with second space in said inner tube section；Baffle plate is provided with said inner tube section, by described Two spaces are separated to form in top space in space and bottom；Space and first space communicate in the bottom, it is described on Drilling well annular space corresponding to space and the down-hole hammer crossover sub communicates in portion.
- 2. down-hole hammer crossover sub according to claim 1, it is characterised in that gear is provided with the tube wall of the outer segment Part, drilling well annular space is separated to form upper annulus and bottom annular space in the course of work, and in the bottom annular space and the top Space communicates.
- 3. down-hole hammer crossover sub according to claim 2, it is characterised in that the block piece be and first space phase Logical air bag, so as to which the air bag is softened when air pressure raises in the first space.
- 4. down-hole hammer crossover sub according to claim 2, it is characterised in that the block piece is located above the baffle plate.
- 5. down-hole hammer crossover sub as claimed in any of claims 1 to 4, it is characterised 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, it is characterised in that be provided with when on the tube wall of the outer segment During block piece, first annular hole is offered below the block piece in the outer segment, is located at the baffle plate in said inner tube section Top offers the second looping pit, make it that space and the drilling well annular space communicate in the top.
- 7. down-hole hammer crossover sub according to claim 5, it is characterised in that in said inner tube section, positioned at the baffle plate Lower section offers the 3rd looping pit, make it that space and first space communicate in the bottom.
- 8. a kind of down-hole hammer drilling rod, it is characterised 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 with the down-hole hammer crossover sub described in any one in claim 1 to 7, 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, it is characterised in that including the down-hole hammer drilling rod described in claim 8.
- 10. a kind of down-hole hammer, it is characterised 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 with 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 |
|---|---|---|---|
| CN201711085973.XA CN107724970A (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 |
|---|---|---|---|
| CN201711085973.XA CN107724970A (en) | 2017-11-07 | 2017-11-07 | A kind of down-hole hammer crossover sub, down-hole hammer drilling rod and down-hole hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107724970A true CN107724970A (en) | 2018-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711085973.XA Pending CN107724970A (en) | 2017-11-07 | 2017-11-07 | A kind of down-hole hammer crossover sub, down-hole hammer drilling rod and down-hole hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107724970A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111691830A (en) * | 2020-05-27 | 2020-09-22 | 徐州雷曼机械科技有限公司 | Joint of dual-purpose drill rod of rotary drilling down-the-hole hammer |
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| CN207420474U (en) * | 2017-11-07 | 2018-05-29 | 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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