CN207229005U - A kind of damping type torsion impact drilling tool - Google Patents
A kind of damping type torsion impact drilling tool Download PDFInfo
- Publication number
- CN207229005U CN207229005U CN201721119860.2U CN201721119860U CN207229005U CN 207229005 U CN207229005 U CN 207229005U CN 201721119860 U CN201721119860 U CN 201721119860U CN 207229005 U CN207229005 U CN 207229005U
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- China
- Prior art keywords
- power transmission
- wall
- outer tube
- pressure
- top connection
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Abstract
Oil drilling tool technical field is the utility model is related to, more particularly to a kind of damping type torsion impact drilling tool.The top connection lower end connection power transmission core pipe of the device, top connection lower end outside is set with pressure-bearing set, pressure-bearing is covered to be sealed between top connection by seal assembly, pressure-bearing set can be slided up and down along top connection, pressure-bearing set lower end connection power transmission outer tube, power transmission core pipe is arranged in power transmission outer tube, and power transmission core pipe can drive power transmission outer tube to rotate together with when rotating, and disc spring group is provided between power transmission core tube wall lower face and power transmission outer tube wall step surface.The utility model, which realizes, coordinates diamond bit to be used together, the a variety of vibration effects occurred during downhole drill bit movement can be reduced, makes the pressure of the drill of whole drill string and moment of torsion keeps stablizing and balance, while drilling life of bit is extended, drilling machinery drilling speed can be effectively improved, saves drilling cost.
Description
Technical field:
Oil drilling tool technical field is the utility model is related to, more particularly to a kind of damping type torsion impact spudder
Tool.
Background technology:
With the development of oil-gas mining, the difficult exploitation oil-gas reservoir such as deep-seated oil gas reservoir is also gradually mined, and deep oil-gas reservoir
Formation rock is hard, drillability is poor, is crept into using conventional rock bit or diamond bit, and single footage per bit is few, it is necessary to more
It is secondary to make a trip and rate of penetration is relatively low.Therefore, the further investigation to deep-seated oil gas reservoir drilling tool is always the master of drilling engineering
Topic.At present, coordinate drill bit drilling for composite wider to improve drilling machinery drilling speed application using screw rod, but due to normal in deep-well
Normal bottom hole temperature (BHT) is higher, and segment hub seal does not cause sternly its using effect undesirable, and screw rod service life is relatively low;In addition gas is used
Body drilling technology drilling also can larger raising rate of penetration, but also there are the easily caused bit balling of formation water output and gas-liquid to change
Afterwards the problems such as hole instability, and its drilling cost is of a relatively high;Also hydraulic rotary-percussion instrument coordinates diamond bit drilling
Drilling machinery drilling speed can be improved, but since it is in the operation of nearly drill bit, what shaft bottom produced includes shaking for transverse direction, longitudinal direction and twisting
Dynamic and these types vibration combination is acted directly on drill bit and instrument, is easily damaged the cutting tooth of drill bit, is caused bit life
Reduce.Therefore, there is an urgent need for carrying out that drill bit rate of penetration can either be improved, and the drilling tool research of drilling life of bit can be extended.
Utility model content:
The technical problem to be solved by the present invention is to provide a kind of damping type torsion impact drilling tool, which realizes
Cooperation diamond bit is used together, and can be reduced a variety of vibration effects occurred during downhole drill bit movement, be made whole drill string
The pressure of the drill and moment of torsion keep stablize and balance, while drilling life of bit is extended, drilling machinery drilling speed can be effectively improved,
Save drilling cost.Overcome that existing drilling tool drilling machinery drilling speed is low, and drilling life of bit is short, and drilling cost is high not
Foot.
Technical solution adopted in the utility model is:A kind of damping type torsion impact drilling tool, including top connection, in
Heart pipe and lower contact;Top connection lower end connects power transmission core pipe, and top connection lower end outside is set with pressure-bearing set, pressure-bearing set and top connection
Between sealed by seal assembly, pressure-bearing set can be slided up and down along top connection, pressure-bearing set lower end connection power transmission outer tube, power transmission core
Pipe is arranged in power transmission outer tube, and power transmission core pipe can drive power transmission outer tube to rotate together with when rotating, power transmission core tube wall lower face
Disc spring group is provided between power transmission outer tube wall step surface, lower contact is fixed on power transmission outer tube wall by clamp spring, under connect
Head can be rotated together with power transmission outer tube, and power transmission outer tube lower end is internally provided with central tube, central tube upper end connection filter mantle, center
Throttle nozzle is installed, isocon is sleeved on the outside of central tube and can be rotated around central tube, and impact hammer head is sleeved on inside pipe
It can rotate on the outside of isocon and around isocon, impact hammer head outer sheath is equipped with concussion cavity, central tube lower end and concussion cavity
Lower end inner wall is connected, and concussion chamber outer wall is equipped with multiple dredging flow grooves, central tube side wall, isocon side wall, jump bit rostral
Multiple radial hole are equipped with side wall at the dredging flow groove of wall and concussion cavity, two are symmetrically arranged with impact hammer head outer wall
Tup, two scotch are symmetrically arranged with impact hammer head inner wall, and the scotch of impact hammer head can be rotated in shunting pipe outer wall
Rotated in groove, the tup of impact hammer head can rotate in earthquake cavity inner wall turning groove, in central tube upper end and concussion
Cavity sets gland between upper end.
Power transmission core tube wall is designed to positive hexagonal structure, and the positive six sides outer wall of power transmission core pipe is tied with positive six side of power transmission outer tube
Structure inner wall matches.
Power transmission outer tube lower end inner wall is engaged with lower contact outer end by spline.
The beneficial effects of the utility model are:The utility model, which realizes, coordinates diamond bit to be used together, and can drop
The a variety of vibration effects occurred during low downhole drill bit movement, make the pressure of the drill of whole drill string and moment of torsion keeps stablizing and balance, are prolonging
While long drill bit service life, drilling machinery drilling speed can be effectively improved, saves drilling cost.
Brief description of the drawings:
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the schematic diagram in A-A direction of Fig. 1.
Fig. 3 is the B-B direction schematic diagram of Fig. 1.
Fig. 4 is schematic diagram when rotation counterclockwise occurs with isocon for impact hammer head.
Fig. 5 rotates counterclockwise to after scotch schematic diagram when stopping for isocon.
Embodiment:
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of damping type torsion impact drilling tool, including top connection 1, central tube 9 and under
Connector 15;1 lower end of top connection connection power transmission core pipe 4,1 lower end outside of top connection are set with pressure-bearing set 3, pressure-bearing set 3 and top connection 1
Between sealed by seal assembly 2, pressure-bearing set 3 can be slided up and down along top connection 1, and pressure-bearing covers 3 lower ends connection power transmission outer tube 6,
Power transmission core pipe 4 is arranged in power transmission outer tube 6, and power transmission core pipe 4 can drive power transmission outer tube 6 to rotate together with when rotating, power transmission core pipe 4
Disc spring group 5 is provided between 6 inner wall step surface of outer wall lower face and power transmission outer tube, when applying the pressure of the drill, 1 downlink of top connection, disc spring
Group 5 compresses axial impact and the vibrations that slow down between drilling tool and drill bit.Lower contact 15 is fixed on power transmission outer tube 6 by clamp spring 14
On inner wall, lower contact 15 can be rotated together with power transmission outer tube 6, and 6 lower end of power transmission outer tube is internally provided with central tube 9, on central tube 9
End connects filter mantle 7, and throttle nozzle 13 is provided with inside central tube 9, and isocon 10 is sleeved on the outside of central tube 9 and can be in
Heart pipe 9 rotates, and impact hammer head 11 is sleeved on the outside of isocon 10 and can be rotated around isocon 10, the outside of impact hammer head 11 suit
There is concussion cavity 12,9 lower end of central tube is connected with concussion 12 lower end inner wall of cavity, and 12 outer wall of concussion cavity is equipped with multiple let out
Chute 17,9 side wall of central tube, 10 side wall of isocon, 11 side wall of impact hammer head and shake cavity 12 dredging flow groove 17 at side wall
On be equipped with multiple radial hole, be symmetrically arranged with two tups on 11 outer wall of impact hammer head, it is symmetrical on 11 inner wall of impact hammer head
Two scotch 16 are provided with, the scotch 16 of impact hammer head 11 can rotate in 10 outer wall turning groove of isocon, impact
The tup of tup 11 can rotate in 12 inner wall turning groove of earthquake cavity, in 9 upper end of central tube and 12 upper end of concussion cavity
Between set gland 8.
4 outer wall of power transmission core pipe is designed to positive hexagonal structure, the positive six sides outer wall of power transmission core pipe 4 and positive the six of power transmission outer tube 6
Square structure inner wall matches.6 lower end inner wall of power transmission outer tube is engaged with 15 outer end of lower contact by spline.The moment of torsion of top connection 1
Coordinated by six sides between power transmission core pipe 4 and power transmission outer tube 6 and be delivered to power transmission outer tube 6, power transmission outer tube 6 is passed by spline fitted
Pass lower contact 15.
In use, top connection 1 connects drilling tool, lower contact 15 connects drill bit, and drilling fluid is through in 1 entering tool of top connection, flowing
Through the throttle nozzle 13 inside central tube 9, throttle nozzle 13 changes the flow field of drilling fluid, makes a part of drilling fluid outflow lower contact
15, another part drilling fluid flow to 10 inner wall of isocon, radial direction of the drilling fluid through isocon 10 by the radial hole of central tube 9
Through hole is gathered in the groove of 10 outer wall of isocon, the radial hole phase of 10 unit with grooves in outer wall of isocon and 11 side wall of impact hammer head
Even, drilling fluid enters between impact hammer head 11 and concussion cavity 12 forms higher-pressure region and low-pressure area respectively, impact hammer head 11 and point
Flow tube 10 rotates to low-pressure area by higher-pressure region, and impact hammer head 11 and isocon 10 occur to rotate counterclockwise, completes once counterclockwise
Torsion impact, meanwhile, drilling fluid enters the dredging flow groove 17 on concussion 12 outer wall of cavity by filter bowl 7, then by dredging flow groove 17
Radial hole on radial hole and impact hammer head 11 enters between impact hammer head 11 and isocon 10, forms secondary higher-pressure region respectively
With secondary depression area, isocon 10 rotates to secondary depression area by secondary higher-pressure region, and isocon 10 continues to rotate counterclockwise, when isocon 10
When colliding the scotch 16 of 11 inner wall of impact hammer head, 10 stop motion of isocon, at this time, isocon 10 just have switched impact
The runner of tup 11, higher-pressure region complete to change with low-pressure area, and impact hammer head 11 will rotate clockwise under the effect of the pressure,
Once torsion impact clockwise is completed, continual fluid passes through, and impact hammer head 11 will form counterclockwise with phase clockwise
It is mutually alternate to repeat torsion impact.
It is understood that above with respect to the specific descriptions of the utility model, it is merely to illustrate the utility model and is not
The described technical solution of the utility model embodiment is limited to, it will be understood by those of ordinary skill in the art that, still can be with
Modify to the utility model or equivalent substitution, to reach identical technique effect;As long as satisfaction uses needs, all in this reality
Within new protection domain.
Claims (3)
1. a kind of damping type torsion impact drilling tool, including top connection (1), central tube (9) and lower contact (15);Its feature exists
In:Top connection (1) lower end connection power transmission core pipe (4), top connection (1) lower end outside are set with pressure-bearing set (3), pressure-bearing set (3) with
Sealed between top connection (1) by seal assembly (2), pressure-bearing set (3) can be slided up and down along top connection (1), under pressure-bearing set (3)
End connection power transmission outer tube (6), power transmission core pipe (4) are arranged in power transmission outer tube (6), and power transmission core pipe (4) can drive biography when rotating
Power outer tube (6) rotates together with, and disc spring is provided between power transmission core pipe (4) outer wall lower face and power transmission outer tube (6) inner wall step surface
Group (5), lower contact (15) are fixed on power transmission outer tube (6) inner wall by clamp spring (14), and lower contact (15) can be with power transmission outer tube
(6) rotate together with, power transmission outer tube (6) lower end is internally provided with central tube (9), central tube (9) upper end connection filter mantle (7), center
Throttle nozzle (13) is installed, isocon (10) is sleeved on the outside of central tube (9) and can turn around central tube (9) inside pipe (9)
Dynamic, impact hammer head (11) is sleeved on the outside of isocon (10) and can be rotated around isocon (10), impact hammer head (11) outer sheath
Equipped with concussion cavity (12), central tube (9) lower end is connected with concussion cavity (12) lower end inner wall, shakes on cavity (12) outer wall
Equipped with multiple dredging flow grooves (17), central tube (9) side wall, isocon (10) side wall, impact hammer head (11) side wall and concussion cavity
(12) multiple radial hole are equipped with the side wall at dredging flow groove (17) place, two are symmetrically arranged with impact hammer head (11) outer wall
Tup, is symmetrically arranged with two scotch (16) on impact hammer head (11) inner wall, the scotch (16) of impact hammer head (11) can
Rotate in isocon (10) outer wall turning groove, the tup of impact hammer head (11) can earthquake cavity (12) inner wall rotate it is recessed
Rotated in groove, gland (8) is set between central tube (9) upper end and concussion cavity (12) upper end.
2. damping type torsion impact drilling tool described in accordance with the claim 1, it is characterised in that:The power transmission core pipe (4) is outside
Wall is designed to positive hexagonal structure, the positive six sides outer wall of power transmission core pipe (4) and the positive hexagonal structure inner wall phase of power transmission outer tube (6)
Match somebody with somebody.
3. damping type torsion impact drilling tool described in accordance with the claim 1, it is characterised in that:Under the power transmission outer tube (6)
End inner wall is engaged with lower contact (15) outer end by spline.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721119860.2U CN207229005U (en) | 2017-09-04 | 2017-09-04 | A kind of damping type torsion impact drilling tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721119860.2U CN207229005U (en) | 2017-09-04 | 2017-09-04 | A kind of damping type torsion impact drilling tool |
Publications (1)
Publication Number | Publication Date |
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CN207229005U true CN207229005U (en) | 2018-04-13 |
Family
ID=61860330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721119860.2U Expired - Fee Related CN207229005U (en) | 2017-09-04 | 2017-09-04 | A kind of damping type torsion impact drilling tool |
Country Status (1)
Country | Link |
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CN (1) | CN207229005U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108590507A (en) * | 2018-05-29 | 2018-09-28 | 西南石油大学 | It is a kind of to have hammer stem back and forth from the broken rock of impact structure speed-raising tool |
CN111946250A (en) * | 2020-07-31 | 2020-11-17 | 中国石油天然气集团有限公司 | Gas-liquid coupling power conversion system for gas drilling |
CN113236116A (en) * | 2021-06-23 | 2021-08-10 | 重庆科技学院 | Composite impact drilling speed-increasing device |
-
2017
- 2017-09-04 CN CN201721119860.2U patent/CN207229005U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108590507A (en) * | 2018-05-29 | 2018-09-28 | 西南石油大学 | It is a kind of to have hammer stem back and forth from the broken rock of impact structure speed-raising tool |
CN108590507B (en) * | 2018-05-29 | 2023-07-18 | 西南石油大学 | Rock breaking accelerating tool with hammer rod reciprocating self-impact structure |
CN111946250A (en) * | 2020-07-31 | 2020-11-17 | 中国石油天然气集团有限公司 | Gas-liquid coupling power conversion system for gas drilling |
CN113236116A (en) * | 2021-06-23 | 2021-08-10 | 重庆科技学院 | Composite impact drilling speed-increasing device |
CN113236116B (en) * | 2021-06-23 | 2023-10-27 | 重庆科技学院 | Composite impact drilling speed increasing device |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 Termination date: 20180904 |
|
CF01 | Termination of patent right due to non-payment of annual fee |