CN205025356U - Pulse jet device that raises speed - Google Patents
Pulse jet device that raises speed Download PDFInfo
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- CN205025356U CN205025356U CN201520691069.3U CN201520691069U CN205025356U CN 205025356 U CN205025356 U CN 205025356U CN 201520691069 U CN201520691069 U CN 201520691069U CN 205025356 U CN205025356 U CN 205025356U
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Abstract
An embodiment of the utility model provides a pulse jet device that raises speed, this pulse jet device that raises speed includes: the power output shaft of turbine is connected to the first end that sets up the center pin in the shell body in two adjacent through -holes in the great through -hole in aperture, the first end fixed connection of eccentric shaft holds at the second of center pin, rotary seal piece fixed connection is at the second end of eccentric shaft, the below at eccentric shaft second end is installed to the cycle guide plate, on the step face between two adjacent through -holes, be equipped with the vortex through -hole on the cycle guide plate, when the center pin drives the eccentric shaft rotation, make the vortex through -hole periodically unblocked or by sealed, produce the pulse fluid, be provided with one -level pulse resonant cavity and second grade pulse resonant cavity in the less through -hole in aperture in adjacent two through -holes, one -level pulse resonant cavity and second grade pulse resonant cavity set up from top to bottom, one -level pulse resonant cavity and second grade pulse resonant cavity are the cavitys that the center was equipped with the shoulder hole, and the two structural parameters is relevant, a pulse amplitude that is used for in proper order amplifying the pulse fluid.
Description
Technical field
The utility model relates to drilling technology field, particularly a kind of pulsing jet speed enhancing apparatus.
Background technology
Problem most crucial in wellbore construction process is efficiency crushing formation rock.Pulsing jet technology is a kind of technology being confirmed by scene, can improve drill bit efficiency of breaking rock.Pulsing jet speed-raising technology is the intermittent flow continuous-flow of drilling fluid being converted to certain frequency.Pulsing jet can improve bit port effluxvelocity, improves jet impact force; And the distribution of shaft bottom cutting bed can be changed, improve shaft bottom bit head landwaste upward velocity, the repetition avoiding landwaste is broken; Periodically can also reduce bottom pressure and reduce bottom rock " chip hold down effect ".Under the effect of above-mentioned three kinds of effects, improve drilling machinery drilling speed pulsing jet technology effective, protection drill bit extends footage per bit.
Domestic pulse drilling technology also obtains applying comparatively widely, obtains good speed-increasing effect.Traditional pulse drilling technology mostly is pulse bit technique, and due to bit size restriction, pulsing jet exists more restriction in the modulation of amplitude and pulse frequency.Pulsing jet frequency mostly is with flow volume change values, and cannot regulate, and causes pulsing jet drilling technology to fail to play a role to greatest extent.Along with current well depth increases, the usefulness of pulsing jet need be played to a greater extent, make pulsing jet technology carry out suitable adjustment according to stratum property requirements to frequency and amplitude.Although provide frequency-adjustable pulse speed-raising instrument in prior art, effect of field application is also better, and the amplitude of pulsing jet need further raising.
Utility model content
The utility model embodiment provides a kind of pulsing jet speed enhancing apparatus, to improve the amplitude of pulsing jet, and then adapts to formation lithology, realizes the object of drilling speed.This pulsing jet speed enhancing apparatus comprises: shell body, the through hole that aperture reduces successively is provided with in described shell body, central axis, eccentric shaft, rotary seal block and cycle deflector is provided with in the through hole that adjacent two through hole mesoporous are larger, one-level pulse resonance chamber and secondary pulse resonator is provided with in the through hole that described adjacent two through hole mesoporous are less, wherein, the first end of described central axis connects the power output shaft of turbine; The first end of described eccentric shaft is fixedly connected on the second end of described central axis; Described rotary seal block is fixedly connected on the second end of described eccentric shaft; Described cycle deflector is arranged on the step surface between the below of described eccentric shaft second end, described adjacent two through holes, described cycle deflector is provided with flow-disturbing through hole, described flow-disturbing through hole is the passage of flowing drilling fluid, and the quantity of the quantity of described eccentric shaft, the quantity of described rotary seal block and described flow-disturbing through hole is all identical; When described central axis drives described eccentric shaft to rotate, described rotary seal block rotates with described eccentric shaft, when the soffit of described rotary seal block overlaps with described flow-disturbing through hole, described flow-disturbing through hole is sealed, otherwise, described flow-disturbing through hole is unimpeded, makes described flow-disturbing through hole periodically unimpeded or sealed, produces pulsed flow; Described one-level pulse resonance chamber and described secondary pulse resonator setting up and down, described one-level pulse resonance chamber and described secondary pulse resonator are the cavitys that center is provided with shoulder hole, and the two structural parameters is correlated with, for amplifying the pulse amplitude of described pulsed flow successively.
In one embodiment, the structural parameters of described one-level pulse resonance chamber and described secondary pulse resonator are proportional, and described one-level pulse resonance chamber and described secondary pulse resonator have identical intrinsic frequency.
In one embodiment, the center of described cycle deflector is provided with safety vent, and this safety vent is the passage of flowing drilling fluid.
In one embodiment, the diameter of described safety vent is 10 millimeters to 30 millimeters.
In one embodiment, described shell body is cylinder, and one end that described shell body internal orifice dimension is large is connected with well drilling pipe column, and the other end of described shell body is connected with drill bit.
In the utility model embodiment, rotated by the power output shaft band central shaft of turbine, and then central axis drives eccentric shaft and rotary seal block to rotate, make flow-disturbing through hole periodically unimpeded or sealed, produce pulsed flow; The frequency adjusting pulsed flow can be realized by the rotating speed of adjustment turbo-power output shaft, the pulse amplitude of pulsed flow is improved successively by one-level pulse resonance chamber and secondary pulse resonator, greatly can improve the amplitude of pulsing jet, and then can according to formation characteristics, the frequency of adjustment pulsed flow and pulse amplitude, reach the object improving efficiency of breaking rock and bit speed.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a application's part, does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the generalized section of a kind of pulsing jet speed enhancing apparatus that the utility model embodiment provides;
Fig. 2 is the structural representation of a kind of cycle deflector that the utility model embodiment provides;
Fig. 3 is that a kind of flow-disturbing through hole of providing of the utility model embodiment is by the schematic diagram sealed;
Fig. 4 is the schematic diagram that a kind of flow-disturbing through hole that the utility model embodiment provides is unimpeded;
Fig. 5 is the effect contrast figure that a kind of single-stage pulse resonance chamber of providing of the utility model embodiment and twin-stage pulse resonance chamber paired pulses amplitude are amplified.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with embodiment and accompanying drawing, the utility model is described in further details.At this, exemplary embodiment of the present utility model and illustrating for explaining the utility model, but not as to restriction of the present utility model.
In the utility model embodiment, provide a kind of pulsing jet speed enhancing apparatus, as shown in Figure 1, this pulsing jet speed enhancing apparatus comprises: shell body 1, be provided with the through hole that aperture reduces successively in described shell body 1, in the through hole that adjacent two through hole mesoporous are larger, be provided with central axis 2, eccentric shaft 3, rotary seal block 4 and cycle deflector 5, in the through hole that described adjacent two through hole mesoporous are less, be provided with one-level pulse resonance chamber 7 and secondary pulse resonator 8, wherein
The first end of described central axis 2 connects the power output shaft of turbine;
The first end of described eccentric shaft 3 is fixedly connected on the second end of described central axis 2;
Described rotary seal block 4 is fixedly connected on the second end of described eccentric shaft 3;
Described cycle deflector 5 is arranged on the step surface between the below of described eccentric shaft 3 second end, described adjacent two through holes, as shown in Figure 2, described cycle deflector 5 is provided with flow-disturbing through hole 201, described flow-disturbing through hole is the passage of flowing drilling fluid, and the quantity of the quantity of described eccentric shaft 3, the quantity of described rotary seal block 4 and described flow-disturbing through hole 201 is all identical; When described central axis drives described eccentric shaft to rotate, described rotary seal block rotates with described eccentric shaft, when the soffit of described rotary seal block overlaps with described flow-disturbing through hole, as shown in Figure 3, described flow-disturbing through hole is sealed, otherwise, as shown in Figure 4, described flow-disturbing through hole is unimpeded, makes described flow-disturbing through hole periodically unimpeded or sealed, produces pulsed flow;
Described one-level pulse resonance chamber 7 and described secondary pulse resonator 8 setting up and down, described one-level pulse resonance chamber and described secondary pulse resonator are the cavitys that center is provided with shoulder hole, and the two parameter is correlated with, for amplifying the pulse amplitude of described pulsed flow successively.
Known as shown in Figure 1, in the utility model embodiment, rotated by the power output shaft band central shaft of turbine, and then central axis drives eccentric shaft and rotary seal block to rotate, make flow-disturbing through hole periodically unimpeded or sealed, produce pulsed flow; The frequency adjusting pulsed flow can be realized by the rotating speed of adjustment turbo-power output shaft, the pulse amplitude of pulsed flow is improved successively by one-level pulse resonance chamber and secondary pulse resonator, greatly can improve the amplitude of pulsing jet, and then can according to formation characteristics, the frequency of adjustment pulsed flow and pulse amplitude, reach the object improving efficiency of breaking rock and bit speed.
During concrete enforcement, above-mentioned shell body 1 is cylinder, shell body 1 inside is provided with the through hole that aperture reduces successively from top to bottom, form shoulder hole, one end that described shell body internal orifice dimension is large is connected with well drilling pipe column by screw thread, and the other end of described shell body is connected with drill bit by screw thread, and the shape of through hole can be circular or polygon, concrete, polygonal hole can be regular hexagon or octagon.Shell body interior bone has installed dynamical system, pulse modulation system and twin-stage resonant pulses amplification system from top to bottom respectively, wherein, dynamical system is made up of above-mentioned central axis 2, pulse modulation system is made up of above-mentioned eccentric shaft 3, rotary seal block 4 and cycle deflector 5, and twin-stage resonant pulses amplification system is made up of above-mentioned one-level pulse resonance chamber 7 and secondary pulse resonator 8.
During concrete enforcement, in order to improve the application security of pulsing jet speed enhancing apparatus further, in the present embodiment, as shown in Figure 2, the center of above-mentioned cycle deflector 5 is provided with safety vent 6, this safety vent 6 is passages of flowing drilling fluid, this safety vent 6 keeps unimpeded always, rotary seal block 4 and flow-disturbing through hole 201 formed periodic seal go wrong time, such as, when rotary seal block 4 is stuck and is in sealing station with flow-disturbing through hole 201, drilling fluid still flows downward by safety vent 6, avoiding problems drilling fluid runner and be completely severed the generation causing earth's surface pump pressure rising or suppress pump phenomenon, improve the safety of pulsing jet speed enhancing apparatus work.Concrete, the diameter of safety vent 6 can be 10 millimeters to 30 millimeters, and the shape of safety vent 6 be circle or polygon, and the shape of cycle deflector 5 can be polygon, and limit number and the length of side of its limit number and the length of side and above-mentioned shell body 1 inner via hole are equal.
During concrete enforcement, above-mentioned flow-disturbing through hole 201 distributes with the Central Symmetry of cycle deflector 5, such as, as shown in Figure 2, the distance at flow-disturbing through hole 201 center and cycle water conservancy diversion orifice plate 5 center is e, the diameter of flow-disturbing through hole 201 is less than e, and the quantity of flow-disturbing through hole 201 can be 1 to 10, and the shape of flow-disturbing through hole 201 can be circular or polygon.
During concrete enforcement, eccentric shaft 3 is driven to rotate at central axis 2, in the process that rotary seal block 4 rotates with eccentric shaft 3, the soffit of rotary seal block 4 overlaps to be formed with flow-disturbing through hole 201 position on cycle deflector 5 and seals, as shown in Figure 3, blocked instantaneously by the drilling fluid runner of flow-disturbing through hole 201, part drilling fluid still flows downward by safety vent 6; Rotary seal block 4 does not rotate to the position overlapped with flow-disturbing through hole 201, as shown in Figure 4, flow-disturbing through hole 201 is unimpeded is in maximum fluidity cross section state, circulating fluid can pass through flow-disturbing through hole 201 and safety vent 6 smoothly, along with the rotation of central axis 2, rotary seal block 4 will turn to the position shown in Fig. 3 again, and drilling fluid runner is blocked.
During concrete enforcement, the Main Function of one-level pulse resonance chamber 7 and secondary pulse resonator 8 is that paired pulses fluid induces pulse again, forms resonance, increases the pulse amplification of fluid.The center in one-level resonant pulses chamber 7 and secondary resonant pulses chamber 8 is equipped with shoulder hole, and hole is circular or polygon, hole directly or equivalent diameter reduce successively from top to bottom.One-level resonant pulses chamber 7 and secondary resonant pulses chamber 8 are column gengon or circle, coordinate with shell body lower through-hole.In order to effectively improve the pulse amplification of pulsed flow, present inventor finds, one-level resonant pulses chamber 7 is relevant to the structural parameters in secondary resonant pulses chamber 8, and when there is identical intrinsic frequency, as shown in Figure 5, dashed curve is the pulse amplification after single-stage pulse resonance chamber is amplified, block curve is the pulse amplification after twin-stage pulse resonance chamber is amplified, with only adopt compared with single-stage pulse resonance chamber, when instrument pressure drop increases hardly, the pulse amplitude amplification effect of two-stage pulse resonance chamber paired pulses jet can improve 30%-50%, have twin-stage pulse resonance chamber pulse speed enhancing apparatus can speed-increasing effect more obvious, the increase of pulse amplitude can improve drill bit efficiency of breaking rock and footage per bit effectively.
In the utility model embodiment, rotated by the power output shaft band central shaft of turbine, and then central axis drives eccentric shaft and rotary seal block to rotate, make flow-disturbing through hole periodically unimpeded or sealed, produce pulsed flow; The frequency adjusting pulsed flow can be realized by the rotating speed of adjustment turbo-power output shaft, the pulse amplitude of pulsed flow is improved successively by one-level pulse resonance chamber and secondary pulse resonator, greatly can improve the amplitude of pulsing jet, and then can according to formation characteristics, the frequency of adjustment pulsed flow and pulse amplitude, reach the object improving efficiency of breaking rock and bit speed.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model embodiment can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a pulsing jet speed enhancing apparatus, it is characterized in that, comprise: shell body, the through hole that aperture reduces successively is provided with in described shell body, central axis, eccentric shaft, rotary seal block and cycle deflector is provided with in the through hole that adjacent two through hole mesoporous are larger, one-level pulse resonance chamber and secondary pulse resonator is provided with, wherein in the through hole that described adjacent two through hole mesoporous are less
The first end of described central axis connects the power output shaft of turbine;
The first end of described eccentric shaft is fixedly connected on the second end of described central axis;
Described rotary seal block is fixedly connected on the second end of described eccentric shaft;
Described cycle deflector is arranged on the step surface between the below of described eccentric shaft second end, described adjacent two through holes, described cycle deflector is provided with flow-disturbing through hole, described flow-disturbing through hole is the passage of flowing drilling fluid, and the quantity of the quantity of described eccentric shaft, the quantity of described rotary seal block and described flow-disturbing through hole is all identical; When described central axis drives described eccentric shaft to rotate, described rotary seal block rotates with described eccentric shaft, when the soffit of described rotary seal block overlaps with described flow-disturbing through hole, described flow-disturbing through hole is sealed, otherwise, described flow-disturbing through hole is unimpeded, makes described flow-disturbing through hole periodically unimpeded or sealed, produces pulsed flow;
Described one-level pulse resonance chamber and described secondary pulse resonator setting up and down, described one-level pulse resonance chamber and described secondary pulse resonator are the cavitys that center is provided with shoulder hole, and the two structural parameters is correlated with, for amplifying the pulse amplitude of described pulsed flow successively.
2. pulsing jet speed enhancing apparatus as claimed in claim 1, it is characterized in that, the structural parameters of described one-level pulse resonance chamber and described secondary pulse resonator are proportional, and described one-level pulse resonance chamber and described secondary pulse resonator have identical intrinsic frequency.
3. pulsing jet speed enhancing apparatus as claimed in claim 1, it is characterized in that, the center of described cycle deflector is provided with safety vent, and this safety vent is the passage of flowing drilling fluid.
4. pulsing jet speed enhancing apparatus as claimed in claim 3, it is characterized in that, the diameter of described safety vent is 10 millimeters to 30 millimeters.
5. the pulsing jet speed enhancing apparatus according to any one of Claims 1-4, is characterized in that, described shell body is cylinder, and one end that described shell body internal orifice dimension is large is connected with well drilling pipe column, and the other end of described shell body is connected with drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520691069.3U CN205025356U (en) | 2015-09-08 | 2015-09-08 | Pulse jet device that raises speed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520691069.3U CN205025356U (en) | 2015-09-08 | 2015-09-08 | Pulse jet device that raises speed |
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| CN205025356U true CN205025356U (en) | 2016-02-10 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285492A (en) * | 2016-10-24 | 2017-01-04 | 中国石油大学(北京) | Crusher drill in tandem type pulse enhanced |
| CN106285493A (en) * | 2016-10-24 | 2017-01-04 | 中国石油大学(北京) | Crusher drill in horizontal well spinning pulse |
| CN109201360A (en) * | 2018-11-09 | 2019-01-15 | 北京科技大学 | A kind of double rank high-pressure water jet self-vibration spray nozzle devices |
| CN112240180A (en) * | 2019-07-16 | 2021-01-19 | 中国石油化工股份有限公司 | Water injection pipe |
| CN112459755A (en) * | 2019-09-06 | 2021-03-09 | 中国石油天然气股份有限公司 | Pulse jet generator, generating device, water injection and blockage removal integrated tubular column and method |
-
2015
- 2015-09-08 CN CN201520691069.3U patent/CN205025356U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285492A (en) * | 2016-10-24 | 2017-01-04 | 中国石油大学(北京) | Crusher drill in tandem type pulse enhanced |
| CN106285493A (en) * | 2016-10-24 | 2017-01-04 | 中国石油大学(北京) | Crusher drill in horizontal well spinning pulse |
| CN109201360A (en) * | 2018-11-09 | 2019-01-15 | 北京科技大学 | A kind of double rank high-pressure water jet self-vibration spray nozzle devices |
| CN109201360B (en) * | 2018-11-09 | 2023-10-24 | 北京科技大学 | Double-order high-pressure water jet self-vibration nozzle device |
| CN112240180A (en) * | 2019-07-16 | 2021-01-19 | 中国石油化工股份有限公司 | Water injection pipe |
| CN112240180B (en) * | 2019-07-16 | 2022-05-03 | 中国石油化工股份有限公司 | Water injection pipe |
| CN112459755A (en) * | 2019-09-06 | 2021-03-09 | 中国石油天然气股份有限公司 | Pulse jet generator, generating device, water injection and blockage removal integrated tubular column and method |
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