CN204327395U - hydraulic pulse oscillating motor - Google Patents
hydraulic pulse oscillating motor Download PDFInfo
- Publication number
- CN204327395U CN204327395U CN201420707866.1U CN201420707866U CN204327395U CN 204327395 U CN204327395 U CN 204327395U CN 201420707866 U CN201420707866 U CN 201420707866U CN 204327395 U CN204327395 U CN 204327395U
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- CN
- China
- Prior art keywords
- moushroom valve
- motor assembly
- motor
- flow guide
- guide device
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- Expired - Fee Related
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Abstract
The utility model relates to a kind of hydraulic pulse oscillating motor in boring tool field, comprise housing and the motor assembly of device in housing, motor assembly comprises stator, rotor and live axle, wherein: be connected with lower moushroom valve on motor assembly rotor top by coupling, lower moushroom valve top arranges moushroom valve, upper moushroom valve periphery is fixedly connected with inner walls by flow guide device, flow guide device is provided with axially through pod apertures, end face and the upper moushroom valve bottom surface of lower moushroom valve form rotatable engagement, and upper moushroom valve and lower moushroom valve centrally axle circumference arrange the guide channel of interval cooperation.The utility model is arranged between bottom drill tool and drill bit, high rotating speed and high pulling torque can not only be provided for drill bit breaks rock, the energy of surge wave can also be utilized to make motor produce axial oscillation, reduce the impact of de-pressure, improve bit speed, have simultaneously structure simple, easy to operate, be convenient to install, safe and reliable advantage, be convenient to batch micro operations and apply on a large scale.
Description
Technical field
The utility model relates to a kind of hydraulic pulse oscillating motor in drilling operation field of tool.
Background technique
Well dynamic motor is still the drilling tool of main application in current complex structural well drilling process both at home and abroad, in the industry fields such as oil and gas well drilling, CBM Drilling, geologic prospecting, mine probing, assume responsibility for the wellbore construction task of more than 98%.But in drilling process, under existing well, power motor is except the rotating speed providing drill bit to break rock and moment of torsion, does not possess the function of other efficient rock-breakings.Result of study and field practice show, in drilling process, the Conversion of Energy of drilling fluid can be high frequency axial impact force by axial impact device, drill bit is formed high-frequency impulse the pressure of the drill, more common rotary drilling can improve bit speed more than 30%, can have a better effect under lower the pressure of the drill, avoid the hole deviation that produces due to large the pressure of the drill in drilling process and drill string wear and fatigue damage, axial impact can form high-voltage pulse jet, strengthen the ability at the bottom of drilling fluid flushing manhole, the pulse change of drilling liquid pressure, result in bottom pressure periodically to change, improve the stress phase of bottom rock, be conducive to eliminating cuttings hold-down effect, enhance waterpower auxiliary rock-breaking effect, axial impact can make drill string produce the oscillation effect with certain frequency, is conducive to reducing drag and torque, reduces the impact of de-pressure.
The Efficient Development of China's petroleum resources makes the quantity of the complex structural wells such as long horizontal sections horizontal well, extended reach well day by day increase, conventional axial percussion drilling technology is mainly used in the drilling process of straight well, can not meet the requirement of present stage complex structural well drilling technology, according to the structural feature of well dynamic motor, simply axial impact device can not be connected with well dynamic motor combination, if combinationally used by force, not only do not reach the object improving bit speed, also may affect the using effect of motor or cause the generation of downhole safety accident.Therefore a kind of structure of design research and development is badly in need of simple, reliable performance, control accuracy is high, easy to operate hydraulic pulse oscillating motor, this, for performance well dynamic motor technologies advantage, improves the efficiency of well drilling and rock crushing further, promotes the technology level of China's power motor drilling well, enhance our international competitiveness, form the hydraulic pulse oscillating motor technology with independent intellectual property right and there is important economic value and social value.
Summary of the invention
The purpose of this utility model is the efficiency of breaking rock in order to improve well dynamic motor further; give full play to the technical advantage of axial impact in broken rock; increase the effect of vibration drag reduction simultaneously; protection drill bit; reduce drilling well overall cost; meet the requirement of petroleum resources Efficient Development, propose the hydraulic pulse oscillating motor that a kind of scene for oil and gas well drilling, CBM Drilling, geologic prospecting, mine probing etc. provides power.
Its technological scheme is:
Hydraulic pulse oscillating motor, comprise housing and the motor assembly of device in housing, motor assembly comprises stator, rotor and live axle, it is characterized in that: be connected with lower moushroom valve on motor assembly rotor top by coupling, lower moushroom valve top arranges moushroom valve, upper moushroom valve periphery is fixedly connected with inner walls by flow guide device, flow guide device is provided with axially through pod apertures, end face and the upper moushroom valve bottom surface of lower moushroom valve form rotatable engagement, and upper moushroom valve and lower moushroom valve centrally axle circumference arrange the guide channel of interval cooperation.
Such scheme comprises further:
Flow guide device and upper moushroom valve are structure as a whole or Split type structure, and its pod apertures is straight line type or spirality.
The upper end portion of housing is provided with inipple, and the live axle outer end of motor assembly is provided with inipple.
Hydraulic pulse oscillating motor of the present utility model utilizes the energy of surge wave, instantaneous the pressure of the drill that axial impact loading improves drill bit can either be produced, can be again that well dynamic motor produces pulsative oscillation effect, reduce drag and torque, reduce the impact of de-pressure, the drilling speed for complex structural well has important function.Hydraulic pulse oscillating motor by the structural parameter of the upper moushroom valve of adjustment, lower moushroom valve, flow guide device, can realize the technical requirements being applicable to all kinds drill bit (rock bit, PDC drill bit etc.).On-the-spot application result shows, hydraulic pulse oscillating motor can on average improve drilling efficiency 67.5%, save drilling period 5-10 days, and drilling quality meets design standard, achieves low energy consumption, high efficiency drilling well object.
Meanwhile, hydraulic pulse oscillating motor also have that structural design is simple, reliable performance, the feature such as easy to operate.
Accompanying drawing explanation
Fig. 1 is a kind of hydraulic pulse oscillating motor structural representation proposed according to the utility model.
Fig. 2 is flow guide device cross sectional representation in Fig. 1.
Fig. 3 is upper moushroom valve cross sectional representation in Fig. 1.
Fig. 4 is lower moushroom valve cross sectional representation in Fig. 1.
Moushroom valve, 5-coupling, 6-motor assembly under 1-housing, 2-flow guide device, the upper moushroom valve of 3-, 4-in figure.
Embodiment
The present invention is described in detail below in conjunction with accompanying drawing.
As Fig. 1, it is inner that flow guide device 2, upper moushroom valve 3, lower moushroom valve 4, coupling 5, motor assembly 6 are installed in housing 1, it is inner that upper moushroom valve 3 and lower moushroom valve 4 are arranged on flow guide device 2, upper moushroom valve 3 is fixedly connected with flow guide device 2 inwall, flow guide device 2 is fixedly connected with housing 1 inwall, and lower moushroom valve 4 is connected with motor assembly 6 by coupling 5.
The live axle that motor assembly 6 comprises stator, rotor and is connected with rotor, substantially identical with conventional motor, be no longer described in detail at this.The upper end portion of housing 1 is provided with male connection, and the live axle outer end of motor assembly 6 is provided with female adapter.
With reference to Fig. 2, flow guide device 2 is provided with four pod apertures spaced apart vertically.
With reference to Fig. 3 and 4, upper moushroom valve 3, lower moushroom valve 4 adopt identical structure, end face and upper moushroom valve 3 bottom surface of lower moushroom valve 4 form rotatable engagement, upper moushroom valve 3 and lower moushroom valve 4 centrally axle circumference arrange the guide channel of interval cooperation, and the damp block between this guide channel with passage coordinates by rotating constantly formation switching.
In the hydraulic pulse oscillating motor application drilling process of the present embodiment, drilling fluid enters hydraulic pulse oscillating motor, motor assembly is entered by flow guide device, drive motor assembly starts to rotate, lower moushroom valve is driven to start to rotate by coupling, when the water conservancy diversion runner of upper moushroom valve and lower moushroom valve is through, drilling fluid is by upper moushroom valve, lower moushroom valve arrives motor assembly, along with the continuous rotation of motor assembly, when the runner of upper moushroom valve and lower moushroom valve is closed, the flowing of drilling fluid is blocked instantaneously, hydraulic coupling in moushroom valve top and lower space is caused to change, produce surge wave effect, and propagate along housing, thus cause housing to produce axial impact loading and oscillation effect, meanwhile, also the effect of pulsing jet can be produced.Along with the continuous rotation of motor assembly, lower moushroom valve is rotated further, upper moushroom valve and lower moushroom valve runner again through, drilling fluid can continue flowing, said process constantly repeats, and namely creates pulsative oscillation effect.Flow guide device can either guarantee the smooth startup of hydraulic pulse oscillating motor, can guarantee again the normal operation of motor assembly.
Claims (3)
1. hydraulic pulse oscillating motor, comprise housing (1) and the motor assembly (6) of device in housing (1), motor assembly (6) comprises stator, rotor and live axle, it is characterized in that: be connected with lower moushroom valve (4) on motor assembly (6) rotor top by coupling (5), lower moushroom valve (4) top arranges moushroom valve (3), upper moushroom valve (3) periphery is fixedly connected with housing (1) inwall by flow guide device (2), flow guide device (2) is provided with axially through pod apertures, end face and upper moushroom valve (3) bottom surface of lower moushroom valve (4) form rotatable engagement, upper moushroom valve (3) and lower moushroom valve (4) centrally axle circumference arrange the guide channel of interval cooperation.
2. hydraulic pulse oscillating motor according to claim 1, is characterized in that: flow guide device (2) and upper moushroom valve (3) are structure as a whole or Split type structure, and its pod apertures is straight line type or spirality.
3. hydraulic pulse oscillating motor according to claim 1 and 2, is characterized in that: the upper end portion of housing (1) is provided with inipple, and the live axle outer end of motor assembly (6) is provided with inipple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420707866.1U CN204327395U (en) | 2014-11-21 | 2014-11-21 | hydraulic pulse oscillating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420707866.1U CN204327395U (en) | 2014-11-21 | 2014-11-21 | hydraulic pulse oscillating motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204327395U true CN204327395U (en) | 2015-05-13 |
Family
ID=53163764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420707866.1U Expired - Fee Related CN204327395U (en) | 2014-11-21 | 2014-11-21 | hydraulic pulse oscillating motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204327395U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089501A (en) * | 2015-06-09 | 2015-11-25 | 中石化石油工程机械有限公司研究院 | Hydraulic oscillator |
| CN105927144A (en) * | 2016-04-21 | 2016-09-07 | 西南石油大学 | Down-hole speed increasing tool with axial impact function |
| CN112377133A (en) * | 2020-11-20 | 2021-02-19 | 中国石油集团渤海钻探工程有限公司 | Controllable pulse nipple |
-
2014
- 2014-11-21 CN CN201420707866.1U patent/CN204327395U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089501A (en) * | 2015-06-09 | 2015-11-25 | 中石化石油工程机械有限公司研究院 | Hydraulic oscillator |
| CN105927144A (en) * | 2016-04-21 | 2016-09-07 | 西南石油大学 | Down-hole speed increasing tool with axial impact function |
| CN112377133A (en) * | 2020-11-20 | 2021-02-19 | 中国石油集团渤海钻探工程有限公司 | Controllable pulse nipple |
| CN112377133B (en) * | 2020-11-20 | 2021-11-23 | 中国石油集团渤海钻探工程有限公司 | Controllable pulse nipple |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20201121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |