CN201460783U - Pressure wave generating device for vibration cementing - Google Patents
Pressure wave generating device for vibration cementing Download PDFInfo
- Publication number
- CN201460783U CN201460783U CN2009201102596U CN200920110259U CN201460783U CN 201460783 U CN201460783 U CN 201460783U CN 2009201102596 U CN2009201102596 U CN 2009201102596U CN 200920110259 U CN200920110259 U CN 200920110259U CN 201460783 U CN201460783 U CN 201460783U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- nozzle
- runner
- cylinder body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model relates to a pressure wave generating device for vibration cementing, which is applied to the petroleum cementing operation. The pressure wave generating device is characterized in that the top end of the inner cavity of a cylinder body is fixed with a guide body. The guide body is internally provided with incline holes, and the lower end of the guide body is provided with a valve seat. The lower part of the valve seat is provided with two fluid inlets which are communicated with the incline holes in the guide body. The valve seat is internally provided with a drive wheel and a valve wheel. The drive wheel is opposite to the fluid inlets at the upper part of the valve seat. The lower end of the valve seat is provided with a nozzle body which is provided with a normally open runner and a valve controlled runner. The lower end of the nozzle body is provided with a supporting ring. The lower end of the cylinder body is connected with a reflection incline-leading body. Pressure waves are generated by periodically switching the valve controlled runner so as to improve the cementing quality.
Description
Technical field
The utility model relates to the petroleum drilling technology field, and the pressure wave generator that uses in the particularly well cementing operation process specifically, is a kind of vibration cementing pressure wave generator.
Background technology
Vibration cementing is to utilize vibrator to produce vibration wave in the down-hole, and vibration wave is propagated in down-hole annular, improves Cementation Quality, improves cementing quality comprehensively.
At present, the vibration cementing generating means is the waterpower pulse vibrator the most widely in design and use.The waterpower pulse vibrator is divided into following two kinds on principle: hydraulic oscillation formula and throttle type.
Hydraulic oscillation formula pressure wave generator produces vibration by the fluid oscillating chamber structure on vibration cavity wall boundary layer, and after obtaining amplifying in chamber, discharges by the outlet of hydraulic oscillation chamber, thereby produces pressure fluctuation.The pulsation that hydraulic oscillation produces separates the vortex structure association with fluid boundary layer, frequency ratio is higher, amplitude has only several atmospheric pressure, the decay fast, can't propagate into great distances, acts on limited.
The throttle type pressure wave generator can produce pressure pulse by changing area of passage, and is simple and reliable for structure.But because area of passage changes is gradual, and does not have signal to amplify design, and the hydrodynamic wave (H wave) amplitude and the frequency characteristic that cause this class instrument to produce are subjected to severely restricts, and amplitude can only reach several atmospheric pressure, acts on limited.
More than two kinds of waterpower pulse generating means because the restriction of hydrodynamic wave (H wave) occurring principle, on amplitude and frequency characteristic, limit to very greatly, can't grow propagation, do not obtain large-scale application.
Chinese patent publication number: CN2693945 provides a kind of waterpower pulse vibrator.
Chinese patent publication number: CN200975230 provides a kind of waterpower pulse vibration cementing guide shoe.
The utility model content
The purpose of this utility model is: a kind of vibration cementing pressure wave generator is provided, and it is created in the underground vibrating ripple by the periodic switch of valve control runner, improves Cementation Quality, improves cementing quality; In addition, make the frequency adjustable of generation, the compression wave that amplitude is higher, and then can significantly improve cementing quality.
The technical solution adopted in the utility model is: the vibration cementing pressure wave generator, comprise cylinder body, baffle, driving wheel, connecting axle, the valve wheel, valve seat, support ring, nozzle and reflection are drawn italic and are formed. and cylinder body is cylindric, there is connecting thread the cylinder body upper end, can be connected with sleeve pipe. there is centre bore the cylinder body upper end, cementing slurry can flow into. and the top at inner chamber of cylinder block is fixed with baffle. and baffle is the cylinder bodily form, oblique hole is arranged in the baffle, the water under high pressure mud of cylinder body upper end inflow being drained into the fluid intake of valve seat. there is valve seat the lower end at baffle. and valve seat is the cylinder bodily form, eccentric fluid intake is arranged at valve seat top, two fluid intakes are arranged at the valve seat bottom, fluid intake is communicated with the oblique hole of baffle. a driving wheel and a valve wheel are arranged in valve seat, driving wheel and valve wheel are fixed on the connecting axle, driving wheel is concentric with the valve wheel. and the two ends of connecting axle are connected on the valve base inner wall. and driving wheel rotates and can drive the rotation of valve wheel. and the fluid intake on driving wheel and valve seat top is relative. and there is nozzle body the lower end at valve seat. and nozzle body is the cylinder bodily form, nozzle body has one often to open a runner and a valve control runner. often open runner and valve control runner and be the radial direction through hole on the nozzle body. and it is relative with the fluid intake in valve seat bottom often to open the runner upper end, fluid passage of valve control runner and valve seat is communicated with. and valve control runner rotates by described valve wheel and is periodically switch fluid passage inlet, there is support ring lower end at nozzle body, support ring is cylindric. there is screw thread the lower end at cylinder body, cylinder body lower end screw thread is connected with reflection and draws italic, and italic is drawn in reflection centre bore. reflect the lower surface that the upper surface of drawing italic compresses support ring.
Described driving wheel is an impeller.The quantity of the blade of driving wheel is 4～12.
The described runner lower end of often opening is fixed with and often opens nozzle.Be fixed with the valve controlled nozzle in valve control runner lower end.The fixed form of often opening nozzle and valve controlled nozzle adopts circlip for hole.
The valve wheel has 3～6 valve pieces, has 3～6 fluid passages in the valve seat.
The bottom that italic is drawn in described reflection is fixed with reflector.Reflection is drawn between italic and the reflector interconnection.Described interconnection is that relative opening is acclivitous, and promptly the cross section of interconnection is parabola shaped
The utility model vibration cementing beneficial effect of pressure wave generator:
1, the valve piece of valve wheel cooperates with the fluid passage of valve seat, forms periodic switch, and control valve control runner periodically opens and closes with the valve controlled nozzle, valve control runner and valve controlled nozzle when unexpected open and close, the generation surge wave.Its surge wave amplitude by the valve controlled nozzle with often open jet size, annular space area of passage and flow and determine jointly, by the control above-mentioned parameter, can comparatively accurately control the surge wave amplitude, the surge wave amplitude is controlled at the size that needs, the big I of its amplitude is at the MPa order of magnitude.The surge wave frequency is by the sheet number decision of driving wheel rotating speed and valve wheel valve body.
2, surge wave communication process in annular space, because the characteristic of low frequency and large amplitude, and oblique effect is drawn in reflection, can in annular space, propagate into whole well cementation section, hydrodynamic wave (H wave) acts on the well cementation mud and the borehole wall, significantly improve cementing quality, the well cementation practice shows, adopts the utility model well cementation factor of merit can reach 100%.
3, based on the surge wave occurring principle, driving wheel drives valve wheel rotary control valve control runner switch, by valve controlled nozzle periodic switch, produces surge wave, and principle is reliable, and is simple in structure, and frequency and amplitude is adjustable to have than other vibration cementing instrument better application prospects.
Description of drawings
Fig. 1 is the utility model vibration cementing pressure wave generator structural profile schematic diagram.It is the generalized section that valve control runner 4 is in closed condition;
Fig. 1 a is the generalized section along the A-A line of Fig. 1;
Fig. 1 b is the generalized section along the B-B line of Fig. 1;
Fig. 1 c is the generalized section along the C-C line of Fig. 1;
Fig. 1 d is the generalized section along the D-D line of Fig. 1.
Fig. 2 is the utility model vibration cementing pressure wave generator structural profile schematic diagram.It is the generalized section that valve control runner 4 is in open mode;
Fig. 2 a is the generalized section along the A-A line of Fig. 2;
Fig. 2 b is the generalized section along the B-B line of Fig. 2;
Fig. 2 c is the generalized section along the C-C line of Fig. 2.
Fig. 3 is the E portion enlarged diagram among Fig. 1.
Among the figure, 1. cylinder body, runner is 3. often opened in 2. oblique hole, 4. valve control runner, 5. driving wheel, 51. connecting axles, 6. valve is taken turns, 61. valve seats, 62. fluid passages, 63. the fluid passage inlet, 7. italic is drawn in reflection, and 71. reflections are drawn tiltedly, 72. outlet, 8. nozzle assembly, 81. often open nozzle, 82. valve controlled nozzle, 9. baffle, 10. support ring.
The specific embodiment
Embodiment 1: with a vibration cementing pressure wave generator is example, and the utility model is described in further detail.
Consult Fig. 1.The utility model vibration cementing pressure wave generator comprises that cylinder body 1, baffle 9, driving wheel 5, connecting axle 51, valve wheel 6, valve seat 61, support ring 10, nozzle 8 and reflection draw italic 7 and form.Cylinder body 1 is cylindric.There is connecting thread cylinder body 1 upper end, can be connected with sleeve pipe.The centre bore that cylinder body 1 upper end has, cementing slurry can flow into.Top at cylinder body 1 inner chamber is fixed with baffle 9.Baffle 9 is the cylinder bodily form.The 60 oblique holes of spending 2 are arranged in the baffle 9, the water under high pressure mud of cylinder body 1 upper end inflow is drained into the fluid intake of valve seat 61.In the lower end of baffle 9 valve seat 61 is arranged.Valve seat 61 is the cylinder bodily form.The fluid intake of an off-centre is arranged at valve seat 61 tops, and two fluid intakes are arranged at valve seat 61 bottoms, and fluid intake is communicated with baffle 9 oblique holes 2.A driving wheel 5 and valve wheel 6 is arranged in valve seat 61, and driving wheel 5 and valve wheel 6 are fixed on the connecting axle 51, and it is 6 concentric that driving wheel 5 and valve are taken turns.The two ends of connecting axle 51 are connected on valve seat 61 inwalls.Driving wheel 5 rotates and can drive 6 rotations of valve wheel.Driving wheel 5 is impellers, and the quantity of blade is 6.Valve wheel 6 has 4 valve pieces, has 4 fluid passages in the valve seat 61.Driving wheel 5 is relative with the fluid intake on valve seat 61 tops.In the lower end of valve seat 61 nozzle body 8 is arranged.Nozzle body 8 is the cylinder bodily form.Nozzle body 8 has one often to open runner 3 and a valve control runner 4.Often open runner 3 and valve control runner 4 and be the radial direction through hole on the nozzle body 8.It is relative often to open the fluid intake in runner 3 upper ends and valve seat 61 bottoms, and 61 1 fluid passages 62 of valve control runner 4 and valve seat are communicated with.Valve control runner 4 rotates by described valve wheel 6 and is periodically switch fluid passage inlet 63, in the lower end of nozzle body 8 support ring 10 is arranged, and support ring 10 is cylindric.There is screw thread lower end at cylinder body 1, and cylinder body 1 lower end screw thread is connected with reflection and draws italic 7, and italic 7 is drawn in reflection centre bore.Reflect the lower surface that the upper surface of drawing italic 7 compresses support ring 10.
Be fixed with one and often open nozzle 81 in described runner 3 lower ends of often opening.Be fixed with a valve controlled nozzle 82 in valve control runner 4 lower ends.The fixed form of often opening nozzle 81 and valve controlled nozzle 82 adopts circlip for hole.
The bottom that italic 7 is drawn in described reflection is fixed with reflector 71.Reflection is drawn between italic 7 and the reflector 71 interconnection 72.Described interconnection 72 is that relative opening is acclivitous, and promptly the cross section of interconnection 72 is parabola shaped
The utility model is mounted in the lower end of shaft bottom sleeve pipe in use, at well-flushing, slip casting, for activitiess such as slurries in, pressure wave generator is all in running order.At first well cementing liquid enters through driving wheel 5 and often opens runner 3, driving wheel 5 is rotated under the water flow impact pressure effect, driving wheel 5 rotations can drive valve wheel 6 rotation thereupon, and then making valve control runner 4 be in the state that periodically opens or closes, valve control runner 4 periodically produces water hammer, alternately produces water attack dilatational wave and compressional wave, and after drawing italic 7 reflection through reflection, in annular space, upwards propagate, act on annular fluid and tube wall and the borehole wall, can improve cementing quality.
Claims (5)
1. vibration cementing pressure wave generator, comprise cylinder body (1), baffle (9), driving wheel (5), connecting axle (51), valve wheel (6), valve seat (61), support ring (10), nozzle (8) and reflection are drawn italic (7) and are formed, cylinder body (1) is cylindric, there is connecting thread cylinder body (1) upper end, there is centre bore cylinder body (1) upper end, it is characterized in that: the top at cylinder body (1) inner chamber is fixed with baffle (9), baffle (9) is the cylinder bodily form, oblique hole (2) is arranged in the baffle (9), the water under high pressure mud of cylinder body (1) upper end inflow is drained into the fluid intake of valve seat (61), in the lower end of baffle (9) valve seat (61) is arranged, valve seat (61) is the cylinder bodily form, eccentric fluid intake is arranged at valve seat (61) top, two fluid intakes are arranged at valve seat (61) bottom, fluid intake is communicated with the oblique hole of baffle (9) (2), a driving wheel (5) and a valve wheel (6) are arranged in valve seat (61), driving wheel (5) and valve wheel (6) are fixed on the connecting axle (51), driving wheel (5) is concentric with valve wheel (6), the two ends of connecting axle (51) are connected on valve seat (61) inwall, driving wheel (5) is relative with the fluid intake on valve seat (61) top, in the lower end of valve seat (61) nozzle body (8) is arranged, nozzle body (8) is the cylinder bodily form, nozzle body (8) has one often to open a runner (3) and a valve control runner (4), often open runner (3) and valve control runner (4) and be the radial direction through hole on the nozzle body (8), it is relative with the fluid intake in valve seat (61) bottom often to open runner (3) upper end, valve control runner (4) is communicated with (61) fluid passages of valve seat (62), valve control runner (4) is taken turns (6) rotation by described valve and is periodically switch fluid passage inlet (63), in the lower end of nozzle body (8) support ring (10) is arranged, support ring (10) is cylindric, there is screw thread lower end at cylinder body (1), cylinder body (1) lower end screw thread is connected with reflection and draws italic (7), italic (7) is drawn in reflection centre bore, reflects the lower surface that the upper surface of drawing italic (7) compresses support ring (10).
2. vibration cementing pressure wave generator according to claim 1 is characterized in that: described driving wheel (5) is an impeller, and the quantity of the blade of driving wheel (5) is 4～12.
3. vibration cementing pressure wave generator according to claim 1, it is characterized in that: described runner (3) lower end of often opening is fixed with and often opens nozzle (81), be fixed with valve controlled nozzle (82) in valve control runner (4) lower end, the fixed form of often opening nozzle (81) and valve controlled nozzle (82) adopts circlip for hole.
4. vibration cementing pressure wave generator according to claim 1 is characterized in that: valve wheel (6) has 3～6 valve pieces, has 3～6 fluid passages in the valve seat (61).
5. according to claim 1,2,3 or 4 described vibration cementing pressure wave generators, it is characterized in that: the bottom that italic (7) is drawn in described reflection is fixed with reflector (71), reflection is drawn between italic (7) and the reflector (71) interconnection (72), described interconnection (72) is that relative opening is inclined upwardly, and the cross section of interconnection (72) is parabola shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201102596U CN201460783U (en) | 2009-07-22 | 2009-07-22 | Pressure wave generating device for vibration cementing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201102596U CN201460783U (en) | 2009-07-22 | 2009-07-22 | Pressure wave generating device for vibration cementing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201460783U true CN201460783U (en) | 2010-05-12 |
Family
ID=42388137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201102596U Expired - Lifetime CN201460783U (en) | 2009-07-22 | 2009-07-22 | Pressure wave generating device for vibration cementing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201460783U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108846A (en) * | 2011-02-10 | 2011-06-29 | 曹凤英 | Followed vibration well cementation method |
| CN105696970A (en) * | 2016-04-14 | 2016-06-22 | 东营万邦石油科技有限责任公司 | Intermittent liquid flow impacting type well cementation vibrator |
| CN105696969A (en) * | 2016-04-14 | 2016-06-22 | 东营万邦石油科技有限责任公司 | Pulse-mechanical-impacting-type well cementing vibrator |
| CN106089025A (en) * | 2016-07-14 | 2016-11-09 | 张静 | A kind of low pressure consumption underground vibrating speed-raising instrument |
| CN106988698A (en) * | 2017-05-31 | 2017-07-28 | 中国石油集团西部钻探工程有限公司 | Well cementation vibrating device |
| CN107100584A (en) * | 2016-02-19 | 2017-08-29 | 中石化石油工程技术服务有限公司 | A kind of water wheel type vibration cementing instrument |
| CN107435520A (en) * | 2017-09-11 | 2017-12-05 | 长江大学 | A kind of hydroscillator of runner power |
| CN110513047A (en) * | 2019-08-30 | 2019-11-29 | 沧州格锐特钻头有限公司 | A kind of self-excitation liquid hammer vibration rock bit |
-
2009
- 2009-07-22 CN CN2009201102596U patent/CN201460783U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108846A (en) * | 2011-02-10 | 2011-06-29 | 曹凤英 | Followed vibration well cementation method |
| CN102108846B (en) * | 2011-02-10 | 2013-04-03 | 曹凤英 | Followed vibration well cementation method |
| CN107100584A (en) * | 2016-02-19 | 2017-08-29 | 中石化石油工程技术服务有限公司 | A kind of water wheel type vibration cementing instrument |
| CN107100584B (en) * | 2016-02-19 | 2024-02-23 | 中石化石油工程技术服务有限公司 | Water wheel type vibration well cementation tool |
| CN105696970A (en) * | 2016-04-14 | 2016-06-22 | 东营万邦石油科技有限责任公司 | Intermittent liquid flow impacting type well cementation vibrator |
| CN105696969A (en) * | 2016-04-14 | 2016-06-22 | 东营万邦石油科技有限责任公司 | Pulse-mechanical-impacting-type well cementing vibrator |
| CN105696970B (en) * | 2016-04-14 | 2018-05-08 | 东营万邦石油科技有限责任公司 | Interval liquid flow impact formula well cementation vibrator |
| CN106089025A (en) * | 2016-07-14 | 2016-11-09 | 张静 | A kind of low pressure consumption underground vibrating speed-raising instrument |
| CN106988698A (en) * | 2017-05-31 | 2017-07-28 | 中国石油集团西部钻探工程有限公司 | Well cementation vibrating device |
| CN107435520A (en) * | 2017-09-11 | 2017-12-05 | 长江大学 | A kind of hydroscillator of runner power |
| CN110513047A (en) * | 2019-08-30 | 2019-11-29 | 沧州格锐特钻头有限公司 | A kind of self-excitation liquid hammer vibration rock bit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201460783U (en) | Pressure wave generating device for vibration cementing | |
| WO2017190484A1 (en) | Gas production equipment via double-pipe negative pressure water drainage | |
| CN102373908B (en) | Underground ultrasonic yield-increasing pumping device for coalseam gas | |
| CN101105115B (en) | Waterpower pulse cavitation jet well drilling device and drill bit | |
| CN104405287B (en) | A kind of drilling well dipulse hydroscillator | |
| CN200989162Y (en) | Hydraulic pulse cavitation jet-flow well drilling device and drill bit | |
| CN105239963B (en) | A kind of energy-conserving and environment-protective wax-proof anti-scaling viscosity reduction machine | |
| CN104895517B (en) | A kind of turbine drives bivalve hydroscillator | |
| CN204139968U (en) | A kind of drilling well dipulse hydroscillator | |
| CN209704487U (en) | A kind of reverse-flow type self-excited oscillation pulse jet oscillator | |
| CN202152634U (en) | Pulsed jet acceleration device realizing adjustment of frequencies | |
| CN202370487U (en) | Coalbed methane downhole ultrasonic production increasing and extraction device | |
| CN102191915A (en) | Resonant pulse vibrating drilling device | |
| CN107152265A (en) | The ultrasonic generation system of low permeability reservoir augmented injection underground low-frequency hydraulic pulse coupling waterpower | |
| CN103422825B (en) | Well cementation frequency controllable type vibrator and using method thereof | |
| CN203531840U (en) | Vibration cementing tool | |
| CN108678674A (en) | Shale gas develops double acting and couples coiled tubing resistance absorber | |
| CN110965953A (en) | Hydraulic pulse fluctuation generating device and using method | |
| CN107461154A (en) | A kind of adjustable drilling well hydroscillator | |
| CN111395967A (en) | Hydraulic harmonic high-power reinforced vibrator excited by screw | |
| CN200975230Y (en) | Waterpower pulse vibration cementing guide shoe | |
| US4898512A (en) | Apparatus and method for reducing effects of draft tube pressure fluctuations | |
| CN101936135A (en) | Underground water-hammer type pressure pulse generating tool | |
| CN106014303A (en) | Hydraulic cyclone supercharging device and supercharging method | |
| CN109138907A (en) | Underground complex vibration cementing unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |
|
| CX01 | Expiry of patent term |