CN212317854U - Turbine-driven continuous oil pipe hydraulic oscillator with harmonic reducer - Google Patents
Turbine-driven continuous oil pipe hydraulic oscillator with harmonic reducer Download PDFInfo
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- CN212317854U CN212317854U CN202020920239.1U CN202020920239U CN212317854U CN 212317854 U CN212317854 U CN 212317854U CN 202020920239 U CN202020920239 U CN 202020920239U CN 212317854 U CN212317854 U CN 212317854U
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- power generator
- turbine
- harmonic reducer
- transmission shaft
- upper joint
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Abstract
The utility model discloses a turbine-driven continuous oil pipe hydraulic oscillator with a harmonic reducer, which comprises an outer barrel, wherein the outer barrel is sequentially provided with an upper joint, a bearing group, a turbine group, a universal transmission shaft, a harmonic reducer, a rotary power generator and a fixed power generator from top to bottom; wherein, the inner wall of the upper joint is provided with a plurality of drainage grooves, and the inner wall of the upper joint is provided with a bearing step; the universal transmission shaft is arranged below the turbine group; the rotary power generator is connected with the harmonic reducer, the rotary power generator is of an eccentric structure, and the end face of the rotary power generator is overlapped with the end face of the fixed power generator; the passageway that overflows of fixed power generator is eccentric structure, can effectually solve under coiled tubing and produce spiral buckling effect in-process, reduces the frictional force of coiled tubing and the wall of a well, can go into more dark degree of depth, in addition, the utility model discloses simple structure, easily operation, safe and reliable have higher spreading value.
Description
Technical Field
The utility model relates to an oil gas field is operation instrument field in the pit, especially relates to a take turbine drive coiled tubing hydraulic oscillator of harmonic speed reducer ware.
Background
Along with the increase of the number of the extended displacement wells and the continuous extension of the displacement of the horizontal well, the running face of the coiled tubing operation pipe column is difficult to make. Because the outer diameter of the coiled tubing is small, the coiled tubing has overlarge friction with a tubular column in the running-in process, so that spiral buckling is easily generated, and the running-in depth is seriously influenced. The hydraulic oscillator is an effective tool for effectively solving the problem of high running difficulty of the coiled tubing. At present, the imported screw type hydraulic oscillator is generally adopted in China, and due to the fact that the import cost is high, the screw type hydraulic oscillator is high in processing difficulty and very high in cost.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects existing in the prior art, the utility model provides a turbine drive continuous oil pipe hydraulic oscillator with a harmonic reducer.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a turbine-driven continuous oil pipe hydraulic oscillator with a harmonic reducer comprises an outer cylinder, wherein an upper joint, a bearing group, a turbine group, a universal transmission shaft, the harmonic reducer, a rotary power generator and a fixed power generator are sequentially arranged on the outer cylinder from top to bottom; the inner wall of the upper joint is provided with a plurality of drainage grooves, and the inner wall of the upper joint is provided with a bearing step; the universal transmission shaft is arranged below the turbine group and used for transmitting torque generated by the turbine group to the harmonic reducer and resisting impact; the rotary power generator is connected with the harmonic reducer, the rotary power generator is of an eccentric structure, and the end face of the rotary power generator is overlapped with the end face of the fixed power generator; the overflowing channel of the fixed power generator is of an eccentric structure.
The top connection is connected with the turbine group, and the drainage groove is seted up in the top connection inner wall along the radial slope of top connection, and the export of drainage groove is linked together with the turbine group.
And a bearing step is formed on the inner wall of the bottom of the upper joint, and the bearing group is arranged on the bearing step.
The turbine group comprises a plurality of groups of turbines which are connected in series, and the turbines are double-faced turbines; the turbine relies on high velocity fluid passing through the flow directing slots to generate a rotational drive force.
The transmission shaft is connected to the universal transmission shaft, the universal transmission shaft is connected to the lower portion of the turbine set, and the transmission shaft is connected to the lower portion of the universal transmission shaft and connected with the harmonic reducer.
The fixed power generator structure is characterized in that the flow passage is an eccentric mechanism, the flow passage generating flow area is smaller than that of the rotary power generator, and when fluid passes through the fixed power generator, axial pulse is generated.
And a plurality of groups of overflowing holes are formed in the universal transmission shaft.
High-speed fluid gets into the turbine group from the drainage inslot of top connection for the turbine group produces rotary motion, and the turbine group drives universal drive shaft and rotates, and during the fluid got into universal drive shaft, through harmonic speed reducer ware reduction of rotation rate, through the cooperation of rotary power generator and fixed power generator, produce axial and radial pulse, impel the tubular column wriggling.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a turbine drive coiled tubing hydraulic oscillator with harmonic reducer, which can pressurize fluid through the drainage groove of the upper joint to generate high-speed fluid, generate high-speed rotary motion to the turbine, reduce the rotation speed through the harmonic reducer, and generate axial and radial pulses through the eccentric structure of the rotary power generator and the fixed power generator in a matching way, so that the oscillator generates the forces of normal transmission torsion, stretching and pressing, so as to promote the creeping of a pipe column and enable the coiled tubing to be inserted into a deeper depth; the utility model discloses can effectually solve coiled tubing and go into the in-process production spiral buckling effect down, reduce the frictional force of coiled tubing and the wall of a well, can go into deeper degree of depth down, in addition, the utility model discloses with low costs, the processing degree of difficulty is little, can satisfy the processing demand completely at present domestically, can effectively solve the influence that imported tool is with high costs, can wide application in the tubular column structure of intervention operation in drilling and milling or other wellings, simple structure, easily operation, safe and reliable have higher spreading value.
Drawings
FIG. 1 is a schematic structural diagram of a turbine-driven coiled tubing hydraulic oscillator with a harmonic reducer according to the present invention;
fig. 2 is a schematic view of the upper joint structure of the present invention;
fig. 3 is a schematic structural view of a turbine group according to the present invention;
fig. 4 is a schematic structural view of the rotational power generator of the present invention;
fig. 5 is a schematic structural view of the stationary power generator of the present invention.
In the figure, 1 — top joint; 2, bearing assembly; 3-turbine group; 4-universal drive shaft; 5, a transmission shaft; 6-harmonic speed reducer; 7-a rotational power generator; 8-fixed power generator; 9-outer cylinder; 101-a drainage groove; 102-bearing step; 301-a turbine; 401 — an overflow aperture.
Detailed Description
The present invention will be described in detail with reference to the drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a turbine-driven coiled tubing hydraulic oscillator with harmonic reducer, which comprises an outer cylinder 9, wherein the outer cylinder 9 is provided with an upper joint 1, a bearing group 2, a turbine group 3, a universal transmission shaft 4, a harmonic reducer 6, a rotary power generator 7 and a fixed power generator 8 from top to bottom; the inner wall of the upper joint 1 is provided with a plurality of drainage grooves 101, and the inner wall of the upper joint 1 is provided with a bearing step 102; the universal transmission shaft 5 is arranged below the turbine group 3 and is used for transmitting torque generated by the turbine group 3 to the harmonic reducer 6 and resisting impact; the rotary power generator 7 is connected with the harmonic reducer 6, the rotary power generator 7 is in an eccentric structure, and the end face of the rotary power generator 7 is overlapped with the end face of the fixed power generator 8; the overflowing channel of the fixed power generator 8 is of an eccentric structure, a plurality of groups of overflowing holes 401 are formed in the universal transmission shaft 4, and a gap is formed between the universal transmission shaft 4 and the outer barrel 9.
Specifically, as shown in fig. 2, the upper joint 1 is connected with the turbine group 3, the drainage groove 101 is formed in the inner wall of the upper joint 1 along the radial direction of the upper joint 1, and the outlet of the drainage groove 101 is communicated with the turbine group 3. And a bearing step is arranged on the inner wall of the bottom of the upper joint 1, and the bearing group 2 is arranged on the bearing step.
As shown in fig. 3, the turbine group 3 includes a plurality of sets of turbines 301 connected in series, and the turbines 301 are double-sided turbines; turbine 301 relies on the high velocity fluid passing through flow directing slots 101 to generate a rotational drive force. The turbine group consists of a plurality of groups of turbines and a torque shaft, and each group of turbines consists of a fixed wheel and a driving wheel.
Preferably, a transmission shaft 5 is connected to the universal transmission shaft 4, the universal transmission shaft 4 is connected below the turbine group 3, and the transmission shaft 5 is connected below the universal transmission shaft 4 and connected with the harmonic reducer 6. As shown in fig. 4, the rotational power generator 7 is an eccentric structure, and as shown in fig. 5, the stationary power generator 8 is an eccentric structure with a flow passage having a smaller flow passage generating area than that of the rotational power generator 7, and generates an axial pulse when the fluid passes through the stationary power generator 8.
The universal transmission shaft 4 can absorb the axial and radial pulses generated by the rotary power generator 7, the fixed power generator 8 and the harmonic reducer 6, so that the turbine group avoids impact and stably outputs power. In addition, the turbine 301 generates high-speed rotation movement by virtue of the characteristics of high speed reduction ratio and high precision of the harmonic reducer 6, the rotation speed is reduced by the harmonic reducer 6, and the turbine is combined with the fixed power generator 8 by the eccentric structure of the rotary power generator 7 to generate axial and radial pulses, so that the tubular column is promoted to creep, and the coiled tubing can be lowered to a deeper depth.
The utility model discloses a theory of operation and process do:
high-speed fluid gets into turbine group 3 in the drainage groove 101 of top connection 1 for turbine group 3 produces rotary motion, and turbine group 3 drives universal drive shaft 4 and rotates, and the fluid gets into universal drive shaft 4, through the reduction of rotation speed of harmonic speed reducer ware 6, through rotatory power generator 7 and the cooperation of fixed power generator 8, produces axial and radial pulse, impels the tubular column wriggling. The specific flow direction of the fluid is that the upper joint 1 drainage groove 101 passes through the turbine group 3, then passes through the universal transmission shaft 4, and then passes through the harmonic reducer, the rotary power generation and the fixed power generation. Wherein, a gap is arranged between the universal transmission shaft 4 and the outer cylinder 9, and a plurality of groups of overflowing holes 401 are designed on the universal transmission shaft 4.
Because the inner flow passage of the rotary power generator 7 adopts an eccentric structure and is connected with the harmonic reducer 6, the other end of the inner flow passage is superposed with the end surface plane of the fixed power generator 8, the flow passage area of the inner flow passage and the flow passage of the fixed power generator 8 is changed in the rotating process, and the high-speed fluid can generate axial pulses in the hydraulic oscillator. The eccentric configuration of the power valve may also produce radial pulses during rotation.
It should be apparent to those skilled in the art that the above embodiments are only preferred embodiments of the present invention, and therefore, the modifications and changes that can be made by those skilled in the art to some parts of the present invention still embody the principles of the present invention, and the objects of the present invention are achieved, all falling within the scope of the present invention.
Claims (7)
1. The turbine-driven continuous oil pipe hydraulic oscillator with the harmonic reducer is characterized by comprising an outer cylinder (9), wherein an upper joint (1), a bearing group (2), a turbine group (3), a universal transmission shaft (4), the harmonic reducer (6), a rotary power generator (7) and a fixed power generator (8) are sequentially arranged on the outer cylinder (9) from top to bottom; wherein the inner wall of the upper joint (1) is provided with a plurality of drainage grooves (101), and the inner wall of the upper joint (1) is provided with a bearing step (102); the universal transmission shaft (5) is arranged below the turbine group (3) and is used for transmitting torque generated by the turbine group (3) to the harmonic reducer (6) and resisting impact; the rotary power generator (7) is connected with the harmonic reducer (6), the rotary power generator (7) is in an eccentric structure, and the end face of the rotary power generator (7) is overlapped with the end face of the fixed power generator (8); the overflowing channel of the fixed power generator (8) is of an eccentric structure.
2. The turbine-driven coiled tubing hydraulic oscillator with the harmonic reducer according to claim 1, wherein the upper joint (1) is connected with a turbine set (3), the drainage grooves (101) are formed in the inner wall of the upper joint (1) in a radially inclined mode along the upper joint (1), and outlets of the drainage grooves (101) are communicated with the turbine set (3).
3. The turbine-driven coiled tubing hydraulic oscillator with the harmonic reducer according to claim 1 or 2, wherein a bearing step is formed in the inner wall of the bottom of the upper joint (1), and the bearing set (2) is mounted on the bearing step.
4. The harmonic reducer-equipped turbine driven coiled tubing hydro-oscillator of claim 1, wherein the turbine group (3) comprises a plurality of sets of turbines (301) connected in series, and the turbines (301) are double-sided turbines; the turbine (301) generates a rotational driving force by means of a high-speed fluid passing through the flow guide groove (101).
5. The turbine driven coiled tubing hydraulic oscillator with harmonic reducer according to claim 1, characterized in that a transmission shaft (5) is connected to the universal transmission shaft (4), the universal transmission shaft (4) is connected below the turbine group (3), and the transmission shaft (5) is connected below the universal transmission shaft (4) and is connected with the harmonic reducer (6).
6. The harmonic reducer turbine driven coiled tubing hydroscillator of claim 1 wherein the stationary power generator (8) configuration is such that the flow passage is an eccentric mechanism and the flow passage generating flow area is smaller than the flow passage generating flow area of the rotating power generator (7) generating axial impulses when fluid is passed through the stationary power generator (8).
7. The turbine driven coiled tubing hydraulic oscillator with harmonic reducer of claim 1, wherein the universal drive shaft (4) is provided with a plurality of sets of overflowing holes (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020920239.1U CN212317854U (en) | 2020-05-27 | 2020-05-27 | Turbine-driven continuous oil pipe hydraulic oscillator with harmonic reducer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020920239.1U CN212317854U (en) | 2020-05-27 | 2020-05-27 | Turbine-driven continuous oil pipe hydraulic oscillator with harmonic reducer |
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| CN212317854U true CN212317854U (en) | 2021-01-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338805A (en) * | 2021-06-21 | 2021-09-03 | 中石化石油机械股份有限公司 | Composite vibration hydraulic oscillator |
| CN114635655A (en) * | 2022-02-22 | 2022-06-17 | 中石化石油工程技术服务有限公司 | Pollution-free underground electric driving circulating cleaning device and horizontal well shaft cleaning method |
-
2020
- 2020-05-27 CN CN202020920239.1U patent/CN212317854U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338805A (en) * | 2021-06-21 | 2021-09-03 | 中石化石油机械股份有限公司 | Composite vibration hydraulic oscillator |
| CN114635655A (en) * | 2022-02-22 | 2022-06-17 | 中石化石油工程技术服务有限公司 | Pollution-free underground electric driving circulating cleaning device and horizontal well shaft cleaning method |
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