CN220791182U - Multi-dimensional oscillating motor type all-metal hydraulic oscillator - Google Patents
Multi-dimensional oscillating motor type all-metal hydraulic oscillator Download PDFInfo
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- CN220791182U CN220791182U CN202322565818.5U CN202322565818U CN220791182U CN 220791182 U CN220791182 U CN 220791182U CN 202322565818 U CN202322565818 U CN 202322565818U CN 220791182 U CN220791182 U CN 220791182U
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- oscillation
- shaft body
- spline shaft
- metal
- assembly
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- 239000002184 metal Substances 0.000 title claims abstract description 34
- 230000010355 oscillation Effects 0.000 claims abstract description 43
- 210000001503 joint Anatomy 0.000 claims abstract description 19
- 230000003068 static effect Effects 0.000 claims description 18
- 238000005553 drilling Methods 0.000 abstract description 22
- 239000002002 slurry Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Abstract
The utility model relates to the technical field of drilling tools and discloses a multidimensional oscillation motor type all-metal hydraulic oscillator which comprises a multidimensional oscillation assembly, an all-metal motor assembly and a valve compensation assembly, wherein the multidimensional oscillation assembly, the all-metal motor assembly and the valve compensation assembly are sequentially connected, the multidimensional oscillation assembly comprises a spline shaft body, an oscillation shell and a middle joint, the spline shaft body is inserted into the oscillation shell, one end of the spline shaft body is provided with an elastic disc spring, a piston rod is further arranged in the oscillation shell, one end of the piston rod is connected with the spline shaft body, the other end of the piston rod extends into the middle joint, a piston is arranged on the piston rod, a ball seat is arranged on one end of the middle joint, which is not connected with the oscillation shell, and a ball is arranged in the ball seat.
Description
Technical Field
The utility model relates to the technical field of drilling tools, in particular to a multidimensional oscillating motor type all-metal hydraulic oscillator.
Background
In horizontal wells and large-displacement wells, the weight of a drill string is increased continuously along with the increase of the well entering depth, the friction resistance of drilling is increased along with the increase of the drill string, and particularly in the horizontal drilling process, the drilling tool can generate larger friction resistance in a well section with larger borehole curvature or in an overlong horizontal section, so that the phenomenon of pressure bearing is serious. The friction resistance is large, the pressure bearing problem not only seriously affects the mechanical drilling of a horizontal well, but also easily causes the occurrence of underground complex accidents such as sticking and clamping, and the hydraulic oscillator has the characteristics of reducing friction resistance, improving the mechanical drilling speed, increasing the horizontal footage and shortening the drilling period, and is widely and widely applied in oilfield development at present.
At present, the hydraulic oscillator mostly adopts a motor type with rubber injected into the inner wall of a stator, a screw motor with rubber type can effectively improve the drilling speed, but the hydraulic oscillator also has a plurality of problems of short service life, serious erosion of parts, large self-pressure consumption and the like, and the motor type all-metal hydraulic oscillator does not contain rubber parts and is high in temperature resistance, but the rotating speed is low and the friction resistance is large because of single vibration mode.
Disclosure of Invention
The utility model aims to solve the technical problems of single vibration mode, low rotating speed and large friction resistance of the existing motor type all-metal hydraulic oscillator.
In order to solve the technical problems, the technical scheme of the utility model is to provide a multidimensional oscillation motor type all-metal hydraulic oscillator which comprises a multidimensional oscillation assembly, an all-metal motor assembly and a valve compensation assembly, wherein the multidimensional oscillation assembly comprises a spline shaft body, an oscillation shell and an intermediate joint, the spline shaft body is inserted into the oscillation shell from one end of the oscillation shell, an elastic disc spring is arranged between the oscillation shell and one end of the spline shaft body, the intermediate joint is connected to one end of the oscillation shell, which is not provided with the spline shaft body, a piston rod is further arranged in the oscillation shell, one end of the piston rod is connected with the spline shaft body, the other end of the piston rod extends into the intermediate joint, a piston is arranged at one end of the intermediate joint, which is not connected with the oscillation shell, a ball seat is arranged in the ball seat, the all-metal motor assembly is connected to one end of the intermediate joint, which is provided with the ball seat, and the valve compensation assembly is connected to the other end of the all-metal motor assembly.
Through adopting above-mentioned technical scheme, set up the elasticity dish spring to combine the valve compensation assembly to the effect of mud makes the spline shaft body axial motion, sets up the ball, drives the ball through the mud and beats, thereby produces radial reciprocating motion, can change simple mechanical pressurization into the pressurization mode that machinery and hydraulic combine together, provide true, effectual weight on bit for the drill bit, reduces the friction, improves the rate of mechanical drilling.
Optionally, the all-metal motor assembly comprises a stator housing and a rotor, wherein one end of the stator housing is connected with the middle joint through a second middle joint, and the rotor is arranged in the stator housing.
Optionally, the valve compensation assembly includes valve base, valve piece, quiet valve base, quiet valve piece and lower clutch, valve base establishes on the rotor one end of keeping away from the second intermediate head, valve piece is established on valve base, quiet valve base establishes in lower clutch one end, quiet valve piece establishes in quiet valve base, the one end that the lower clutch set up quiet valve base is connected with stator casing.
Optionally, the movable valve block is provided with an eccentric inner hole.
Optionally, the multidimensional oscillation assembly further comprises a middle joint sleeve, and the middle joint sleeve is connected to one end of the oscillation shell, provided with the spline shaft body, of the oscillation shell and sleeved on the spline shaft body, so that the spline shaft body can be further protected, and the spline shaft body is prevented from deviating and falling off.
Optionally, a clamping block is arranged between the middle joint sleeve and the spline shaft body.
Optionally, an intermediate balance piston is arranged between the piston rod and the intermediate joint, so that the internal mud pressure can be balanced.
Optionally, the middle joint sleeve is connected with the oscillating shell through threads.
Optionally, the two ends of the stator shell are provided with metal spiral grooves, and the second middle joint and the lower joint are respectively in threaded connection with the stator shell.
In summary, the utility model has at least one of the following advantages:
1. the pressurizing mode of the drill bit is changed, and the pure mechanical pressurizing is changed into the pressurizing mode combining machinery and hydraulic power, so that the real and effective weight on bit is provided for the drill bit.
2. The friction is reduced, the pressure is prevented from being supported, the hydraulic oscillator generates longitudinal reciprocating motion in the drilling process, so that static friction of a drilling tool in the pit is changed into dynamic friction, the friction resistance is greatly reduced, the pressure supporting phenomenon of the drilling tool caused by the track of a well hole is effectively reduced, the effective drilling pressure is ensured, and the mechanical drilling speed is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the figure: 1. a spline shaft body; 2. a middle joint sleeve; 4. a clamping block; 5. an oscillating housing; 7. an elastic disc spring; 9. a piston rod; 10. an intermediate balance piston; 11. a piston; 12. an intermediate joint; 13. a second intermediate joint; 14. a ball seat; 15. a stator housing; 16. a rotor; 17. a valve base; 18. the valve is fast to move; 19. a lower joint; 20. a static valve base; 21. a static valve block; 22. and (3) a small ball.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The utility model discloses a multidimensional oscillation motor type all-metal hydraulic oscillator, which comprises a multidimensional oscillation assembly, an all-metal motor assembly and a valve compensation assembly, wherein the multidimensional oscillation assembly comprises a spline shaft body 1, an intermediate joint sleeve 2, an oscillation shell 5 and an intermediate joint 12, the spline shaft body 1 is inserted into the oscillation shell 5 from one end of the oscillation shell 5, the intermediate joint sleeve 2 is connected with one end of the oscillation shell 5 provided with the spline shaft body 1 through threads and sleeved on the spline shaft body 1, a clamping block 4 is arranged between the intermediate joint sleeve 2 and the spline shaft body 1, an elastic disc spring 7 is arranged between the oscillation shell 5 and one end of the spline shaft body 1, the intermediate joint 12 is connected to one end of the oscillation shell 5 which is not provided with the spline shaft body 1, a piston rod 9 is further arranged in the oscillation shell 5, one end of the piston rod 9 is connected with the spline shaft body 1, the other end of the piston rod 9 extends into the intermediate joint 12, a middle balance piston 10 is arranged between the piston rod 9 and the intermediate joint 12, one end of the piston rod 9, which is positioned on the intermediate joint 12 is not connected with the oscillation shell 5, a ball seat 14 is arranged in one end of the intermediate joint 12, a ball seat 22 is arranged in the ball seat 14, the all-metal motor assembly is connected with the all-metal motor assembly at one end of the valve compensation assembly.
In a further embodiment, the all-metal motor assembly comprises a stator housing 15 and a rotor 16, wherein one end of the stator housing 15 is connected with the intermediate joint 12 by a second intermediate joint 13, and the rotor 16 is arranged in the stator housing 15.
In a further embodiment, the valve compensation assembly comprises a valve base 17, a valve block 18, a static valve base 20, a static valve block 21 and a lower joint 19, wherein the valve base 17 is arranged at one end of the rotor 16 far away from the second middle joint 13, the valve block 18 is arranged on the valve base 17, an eccentric inner hole is arranged on the valve block 18, the static valve base 20 is arranged in one end of the lower joint 19, the static valve block 21 is arranged in the static valve base 20, one end of the lower joint 19, provided with the static valve base 20, is connected with the stator housing 15, metal spiral grooves are arranged at two ends of the stator housing 15, and the second middle joint 13 and the lower joint 19 are respectively in threaded connection with the stator housing 15.
The working principle of the utility model is as follows: slurry liquid flows into the oscillator through the middle hole of the spline shaft body 1, when the slurry flows through the ball seat 14, the slurry drives the ball 22 to jump, so that radial reciprocating motion is generated, then the slurry flows through the rotor 16, at the moment, due to hydraulic pressure, the slurry can push the rotor 16 to rotate, meanwhile, the moving valve block 18 is driven to rotate, the slurry flows through the inner cavity of the stator 15, then the side hole of the moving valve base 17 is passed, when the inner hole of the moving valve block 18 is opposite to the static valve block 21, no pressure is generated at the piston 11, when the inner hole of the moving valve block 18 is staggered with the static valve block 21, the slurry liquid does not circulate, pressure is generated at the piston 11, the pressure pushes the piston 11 to move, the elastic disc spring 7 is compressed, and when the pressure disappears, the elastic disc spring 7 is reset, so that axial reciprocating motion is generated by the spline shaft body 1, and axial oscillation is generated.
According to the utility model, through arranging the small ball 22 and the spline shaft body 1, the pressurizing mode of the drill bit is changed, the simple mechanical pressurizing is changed into the pressurizing mode of combining machinery and hydraulic force, so that the hydraulic oscillator can enable an upper drilling tool and a lower drilling tool to longitudinally and axially reciprocate in a borehole in the drilling process, the static friction of the drilling tool in the pit is changed into dynamic friction, the friction resistance is greatly reduced, the drilling tool pressure supporting phenomenon caused by the borehole track is effectively reduced, the effective drilling pressure is ensured, and the mechanical drilling speed is improved.
It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.
Claims (9)
1. The utility model provides an all-metal hydraulic oscillator of multidimensional oscillation motor formula, its characterized in that, including multidimensional oscillation assembly, all-metal motor assembly and valve compensation assembly, multidimensional oscillation assembly includes spline shaft body (1), oscillation housing (5) and intermediate head (12), in oscillation housing (5) are inserted from the one end of oscillation housing (5) in spline shaft body (1), be equipped with elasticity dish spring (7) between oscillation housing (5) and spline shaft body (1) one end, intermediate head (12) connect the one end that does not be equipped with spline shaft body (1) in oscillation housing (5), oscillation housing (5) inside still is equipped with piston rod (9), piston rod (9) one end is connected with spline shaft body (1), and the other end stretches into in intermediate head (12), piston rod (9) are located one end of intermediate head (12) and are equipped with piston (11), one end that intermediate head (12) do not connect oscillation housing (5) is equipped with ball seat (14), be equipped with ball (22) in ball seat (14), all-metal motor assembly connects in the one end that all-metal assembly is connected at the valve assembly.
2. The multi-dimensional oscillating motor-type all-metal hydraulic oscillator according to claim 1, characterized in that the all-metal motor assembly comprises a stator housing (15) and a rotor (16), wherein one end of the stator housing (15) is connected with the intermediate joint (12) by a second intermediate joint (13), and the rotor (16) is arranged in the stator housing (15).
3. The multidimensional oscillating motor type all-metal hydraulic oscillator according to claim 2, wherein the valve compensation assembly comprises a movable valve base (17), a movable valve block (18), a static valve base (20), a static valve block (21) and a lower joint (19), the movable valve base (17) is arranged at one end of the rotor (16) far away from the second middle joint (13), the movable valve block (18) is arranged on the movable valve base (17), the static valve base (20) is arranged in one end of the lower joint (19), the static valve block (21) is arranged in the static valve base (20), and one end of the lower joint (19) where the static valve base (20) is arranged is connected with the stator housing (15).
4. A multi-dimensional oscillating motor-type all-metal hydraulic oscillator according to claim 3, characterized in that the valve block (18) is provided with an eccentric inner bore.
5. The multidimensional oscillating motor type all-metal hydraulic oscillator according to claim 1, wherein the multidimensional oscillating assembly further comprises a middle joint sleeve (2), and the middle joint sleeve (2) is connected to one end of the oscillating shell (5) provided with the spline shaft body (1) and sleeved on the spline shaft body (1).
6. The multidimensional oscillating motor type all-metal hydraulic oscillator according to claim 5, wherein a clamping block (4) is arranged between the middle joint sleeve (2) and the spline shaft body (1).
7. The multi-dimensional oscillating motor-type all-metal hydraulic oscillator according to claim 1, characterized in that an intermediate balance piston (10) is arranged between the piston rod (9) and the intermediate joint (12).
8. The multi-dimensional oscillating motor type all-metal hydraulic oscillator according to claim 5, wherein the middle joint sleeve (2) and the oscillating shell (5) are connected through threads.
9. A multi-dimensional oscillating motor type all-metal hydraulic oscillator according to claim 3, characterized in that the two ends of the stator housing (15) are provided with metal spiral grooves, and the second middle joint (13) and the lower joint (19) are respectively in threaded connection with the stator housing (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322565818.5U CN220791182U (en) | 2023-09-20 | 2023-09-20 | Multi-dimensional oscillating motor type all-metal hydraulic oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322565818.5U CN220791182U (en) | 2023-09-20 | 2023-09-20 | Multi-dimensional oscillating motor type all-metal hydraulic oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220791182U true CN220791182U (en) | 2024-04-16 |
Family
ID=90660679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322565818.5U Active CN220791182U (en) | 2023-09-20 | 2023-09-20 | Multi-dimensional oscillating motor type all-metal hydraulic oscillator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220791182U (en) |
-
2023
- 2023-09-20 CN CN202322565818.5U patent/CN220791182U/en active Active
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