CN206903615U - Well cementation vibrating device - Google Patents
Well cementation vibrating device Download PDFInfo
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- CN206903615U CN206903615U CN201720621600.9U CN201720621600U CN206903615U CN 206903615 U CN206903615 U CN 206903615U CN 201720621600 U CN201720621600 U CN 201720621600U CN 206903615 U CN206903615 U CN 206903615U
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- mandrel
- centre bore
- pipe joint
- vibrating device
- hole plate
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Abstract
It the utility model is related to oil well fixed operation technical field, it is well cementation vibrating device, it includes pipe joint, mandrel, up-hole plate, orifice plate, impeller, eccentric cam and guide shoe head, mandrel is provided with inside pipe joint, pipe joint upper inside wall is provided with upper land, pipe joint upper inner is set with up-hole plate, land lower end is butted on the outside of up-hole plate upper end, the middle part of up-hole plate is provided with upper centre bore, mandrel upper end passes centre bore and positioned at the top of upper centre bore, being provided between upper centre bore and mandrel can be such that mandrel is freely rotated relative to up-hole plate and can limit the descending upper limit part of up-hole plate.The utility model reasonable and compact in structure, it is easy to use, mandrel is rotated by wheel rotation, rotated by mandrel and drive eccentric cam, make vibrating device that the vibration of frequency low-amplitude occur by eccentric cam, drive pipe string to vibrate by the vibration of vibrating device, cement mortar is evenly distributed, prevent cement mortar from settling, good cementing quality can be reached.
Description
Technical field
Oil well fixed operation technical field is the utility model is related to, is well cementation vibrating device.
Background technology
In oil well fixed operation technology, when carrying out traditional well cementing operation, when cement mortar is by replacing outer to pipe in pipe, water
It is unclean that mud may settle or manage outer drilling fluid displacing, causes Cementation Quality poor, and it is follow-up to not only increase construction
Remedy expense, extend completion time again, be unfavorable for construction in later period, potential safety hazard will be brought.
The content of the invention
The utility model provides well cementation vibrating device, overcomes the deficiency of above-mentioned prior art, and it can effectively be solved
It is existing during existing traditional tieback insertion instrument well cementation waste time and energy, efficiency of construction is relatively low, the problem of potential safety hazard be present.
The technical solution of the utility model is realized by following measures：Well cementation vibrating device, including pipe joint,
Mandrel, up-hole plate, orifice plate, impeller, eccentric cam and guide shoe head, pipe joint inside are provided with mandrel, and pipe joint upper inside wall is set
There is upper land, pipe joint upper inner is set with up-hole plate, land lower end, the middle part of up-hole plate are butted on the outside of up-hole plate upper end
Provided with upper centre bore, mandrel upper end passes centre bore and positioned at the top of upper centre bore, is provided between upper centre bore and mandrel
Mandrel can be made freely to be rotated relative to up-hole plate and the descending upper limit part of up-hole plate can be limited, mandrel top is installed with energy
Impeller being rotated with mandrel and below upper limit part；Pipe joint lower inner wall is provided with lower annular groove, in pipe joint bottom
Side is set with orifice plate, and lower annular groove upper end is butted on the outside of orifice plate upper end, is provided with lower centre bore in the middle part of orifice plate, mandrel lower end is worn
Go out lower centre bore and below lower centre bore, lower be provided between centre bore and mandrel can be such that mandrel is freely rotated relative to orifice plate
And the up lower limit part of orifice plate can be limited, mandrel bottom is installed with can rotate and be located at lower limit part with mandrel
The eccentric cam of top；Guide shoe head upper outside is fixedly installed togather with pipe joint lower inside, guide shoe head upper end and lower opening
End in contact is spacing under plate；Up-hole plate is provided with upper circulation port, and orifice plate is provided with lower circulation port.
Here is the further optimization and/or improvements to above-mentioned utility model technical scheme：
Above-mentioned upper limit part may include that upper pressing cap, deep groove ball bearing and upper gasket ring, deep groove ball bearing are sleeved on mandrel
Portion, upper centre bore top are provided with upper centre bore land, and deep groove ball bearing upper end is butted on centre bore land lower end, upper pressing cap inner side
With deep groove ball bearing upper end is fixedly installed togather and compressed on the outside of mandrel upper end, upper gasket ring is sleeved on mandrel top and positioned at deep
Between ditch ball bearing and impeller；Lower limit part includes lower pressing cap, thrust bearing and lower gasket ring, thrust bearing and is sleeved under mandrel
Portion, lower centre bore top are provided with lower centre bore annular groove, thrust metal in lower centre bore annular groove, on the inside of lower pressing cap with mandrel
End outside is fixedly installed togather, and lower pressing cap is located at below orifice plate, and underlay ring set is mounted in mandrel bottom and is located at thrust bearing
Between eccentric cam.
Above-mentioned upper pressing cap can be together by a threaded connection with mandrel, and lower pressing cap is together by a threaded connection with mandrel.
At least four diameters that can be uniformly distributed along the circumference on above-mentioned up-hole plate are not less than 20mm upper circulation port, along circle on orifice plate
The diameters of Zhou Junbu at least four are not less than 20mm lower circulation port.
Above-mentioned impeller may include blade and wheel hub, and the oblique circumference uniform distribution of blade is on wheel hub and rotation direction is consistent, blade
Quantity is at least 4 and between the angle of blade and horizontal plane is 30 degree to 60 degree.
Above-mentioned mandrel upper outside can be provided with upper limit key, and the impeller key that can be engaged with upper limit key is provided with the inside of impeller
Groove, mandrel lower outside are provided with lower limit key, and fixed eccentric cam can be engaged with lower limit key by being provided with the inside of eccentric cam
Keyway.
Above-mentioned guide shoe head can be together by a threaded connection with pipe joint.
The utility model reasonable and compact in structure, it is easy to use, by the way that displacement fluid is injected in pipe joint, in displacement fluid
Under impetus, by impeller and eccentric cam Combination Design, make the utility model occur to vibrate and drive lower tube string to occur
Vibration, makes cement mortar be evenly distributed, prevents cement mortar from settling, be advantageous to cement mortar strong bonding, and subsequent field is constructed
Play a role.
Brief description of the drawings
Accompanying drawing 1 is the main view broken section structural representation of the best embodiment of the utility model.
Accompanying drawing 2 is the cross section structure diagram at A-A in accompanying drawing 1.
Accompanying drawing 3 is the cross section structure diagram at B-B in accompanying drawing 1.
Coding in accompanying drawing is respectively：1 is pipe joint, and 2 be mandrel, and 3 be up-hole plate, and 4 be orifice plate, and 5 be impeller, and 6 are
Eccentric cam, 7 be guide shoe head, and 8 be upper land, and 9 be upper centre bore, and 10 be lower annular groove, and 11 be lower centre bore, and 12 be upper circulation
Hole, 13 be lower circulation port, and 14 be upper pressing cap, and 15 be deep groove ball bearing, and 16 be upper gasket ring, and 17 be upper centre bore land, under 18 are
Pressure cap, 19 be thrust bearing, and 20 be lower gasket ring, and 21 be lower centre bore annular groove, and 22 be upper limit key, and 23 be impeller keyway, and 24 are
Lower limit key, 25 be eccentric cam keyway.
Embodiment
The utility model is not limited by following embodiments, can according to the technical solution of the utility model and actual conditions come
Determine specific embodiment.
In the utility model, for the ease of description, the description of the relative position relation of each part is according to specification
The Butut mode of accompanying drawing 1 is described, such as：The position relationship of forward and backward, upper and lower, left and right etc. is according to Figure of description
Butut direction determine.
The utility model is further described with reference to embodiment and accompanying drawing：
As shown in accompanying drawing 1,2,3, the well cementation includes pipe joint 1, mandrel 2, up-hole plate 3, orifice plate 4, leaf with vibrating device
Wheel 5, eccentric cam 6 and guide shoe first 7, the inside of pipe joint 1 are provided with mandrel 2, and the upper inside wall of pipe joint 1 is provided with upper land 8, pipe joint
1 upper inner is set with up-hole plate 3, is butted on the lower end of land 8 on the outside of the upper end of up-hole plate 3, the middle part of up-hole plate 3 is provided with upper center
Hole 9, the upper end of mandrel 2 pass centre bore 9 and positioned at the tops of upper centre bore 9, and being provided between upper centre bore 9 and mandrel 2 to make
Mandrel 2 freely rotates relative to up-hole plate 3 and can limit the descending upper limit part of up-hole plate 3, and the top of mandrel 2 is installed with energy
Impeller 5 being rotated with mandrel 2 and below upper limit part；The lower inner wall of pipe joint 1 is provided with lower annular groove 10, pipe joint 1
Lower inside is set with orifice plate 4, and the lower upper end of annular groove 10 is butted on the outside of the upper end of orifice plate 4, and the middle part of orifice plate 4 is provided with lower centre bore
11, the lower end of mandrel 2 passes lower centre bore 11 and positioned at the lower lower section of centre bore 11, and being provided between lower centre bore 11 and mandrel 2 to make
Mandrel 2 freely rotates relative to orifice plate 4 and can limit the up lower limit part of orifice plate 4, and the bottom of mandrel 2 is installed with energy
The eccentric cam 6 for rotating and being located above lower limit part with mandrel 2；First 7 upper outside of guide shoe is consolidated with the lower inside of pipe joint 1
Dingan County is fitted together, and first 7 upper end of guide shoe and 4 times end in contact of orifice plate are spacing；Up-hole plate 3 is provided with upper circulation port 12, orifice plate 4
It is provided with lower circulation port 13.In well cementing process, the upper end of pipe joint 1 injection displacement fluid, displacement fluid flows through up-hole plate 3, by upper
The upper circulation port 12 that orifice plate 3 is provided with flows to impeller 5, and impeller 5 rotates under the impetus of displacement fluid, and impeller 5 revolves mandrel 2
Turn, the rotation of mandrel 2 drives lower section eccentric cam 6, due to the non-uniform mass of eccentric cam 6, the utility model occurs high
The vibration of frequency by a narrow margin, the lower circulation port 13 that displacement fluid is provided with from orifice plate 4 again flow out.The utility model is rational in infrastructure and tight
Gather, it is easy to use, it is convex by impeller 5 and bias under the impetus of displacement fluid by the way that displacement fluid is injected in pipe joint 1
6 Combination Designs are taken turns, makes the utility model occur to vibrate and drives lower tube string to vibrate, cement mortar is evenly distributed, prevent
Cement mortar is settled, and is advantageous to cement mortar strong bonding, and subsequent field construction is played a role.
Above-mentioned well cementation can be made further optimization and/or improvements with vibrating device according to being actually needed：
As shown in Figure 1, upper limit part includes upper pressing cap 14, deep groove ball bearing 15 and upper gasket ring 16, deep groove ball bearing
15 are sleeved on the top of mandrel 2, and the upper top of centre bore 9 is provided with upper centre bore land 17, and the upper end of deep groove ball bearing 15 is butted on center
The lower end of orifice ring platform 17, the inner side of upper pressing cap 14 with the upper end of deep groove ball bearing 15 is fixedly installed togather and compressed on the outside of the upper end of mandrel 2,
Upper gasket ring 16 is sleeved on the top of mandrel 2 and between deep groove ball bearing 15 and impeller 5；Lower limit part include lower pressing cap 18,
Thrust bearing 19 and lower gasket ring 20, thrust bearing 19 are sleeved on the bottom of mandrel 2, and the lower top of centre bore 11 is provided with lower centre bore annular groove
21, in lower centre bore annular groove 21, the inner side of lower pressing cap 18 is fixedly installed togather thrust bearing 19 with the lower end outside of mandrel 2,
Lower pressing cap 18 is located at the lower section of orifice plate 4, lower gasket ring 20 be sleeved on the bottom of mandrel 2 and positioned at thrust bearing 19 and eccentric cam 6 it
Between.By upper limit part to the spacing of up-hole plate 3, impeller 5 and mandrel 2, lower limit part is to orifice plate 4, the and of eccentric cam 6
Mandrel 2 it is spacing, it is more stable when can make utility model works.
As shown in Figure 1, upper pressing cap 14 is together by a threaded connection with mandrel 2, and lower pressing cap 18 passes through screw thread with mandrel 2
Link together.It is connected through a screw thread and is easy to upper pressing cap 14 and lower pressing cap 18 to be dismantled from mandrel 2.
As shown in accompanying drawing 1,3, at least four diameters that are uniformly distributed along the circumference on up-hole plate 3 are not less than 20mm upper circulation port 12,
At least four diameters that are uniformly distributed along the circumference on orifice plate 4 are not less than 20mm lower circulation port 13.Upper circulation port 12 and lower circulation port 13
Control can be made to replace flow quantity, after upper circulation port 12 makes displacement fluid flow to impeller 5, impeller 5 rotates more steady, lower circulation port
13 make displacement fluid outflow more steady.
As shown in accompanying drawing 1,2, impeller 5 may include blade and wheel hub, and the oblique circumference uniform distribution of blade is on wheel hub and revolves
To consistent, blade quantity is at least 4 and between the angle of blade and horizontal plane is 30 degree to 60 degree.Blade can control displacement fluid
Flow velocity, make impeller 5 rotate it is more steady.
As shown in accompanying drawing 1,2,3, the upper outside of mandrel 2 is provided with upper limit key 22, and the inner side of impeller 5 is provided with can be with upper limit key
22 impeller keyways 23 being engaged, the lower outside of mandrel 2 are provided with lower limit key 24, and the inner side of eccentric cam 6 is provided with energy and lower limit
Key 24 is engaged fixed eccentric cam keyway 25.By the cooperation of upper limit key 22 and impeller keyway 23, make impeller 5 and mandrel
It is more stable during 2 rotation, by the cooperation of lower limit key 24 and eccentric cam keyway 25, when the eccentric cam 6 is rotated with mandrel 2
It is more stable.
As shown in Figure 1, guide shoe first 7 is together by a threaded connection with pipe joint 1.It is connected through a screw thread and is easy to guide shoe head
7 dismantle from pipe joint 1.
Above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and optimal implementation
Effect, can be according to the non-essential technical characteristic of increase and decrease be actually needed, to meet the needs of different situations.
Claims (10)
1. well cementation vibrating device, it is characterised in that including pipe joint, mandrel, up-hole plate, orifice plate, impeller, eccentric cam and
Guide shoe head, pipe joint inside are provided with mandrel, and pipe joint upper inside wall is provided with upper land, and pipe joint upper inner is set with hole
Plate, up-hole plate upper end outside are butted on land lower end, and the middle part of up-hole plate is provided with upper centre bore, and mandrel upper end passes centre bore
And positioned at the top of upper centre bore, being provided between upper centre bore and mandrel can make mandrel freely rotate and can limit relative to up-hole plate
The descending upper limit part of up-hole plate, mandrel top are installed with being rotated with mandrel and are located at below upper limit part
Impeller；Pipe joint lower inner wall is provided with lower annular groove, and pipe joint lower inside is set with orifice plate, is butted on down on the outside of orifice plate upper end
Annular groove upper end, orifice plate middle part are provided with lower centre bore, and mandrel lower end passes lower centre bore and below lower centre bore, lower center
Being provided between hole and mandrel can be such that mandrel is freely rotated relative to orifice plate and can limit the up lower limit part of orifice plate, mandrel
Bottom is installed with the eccentric cam that can be rotated and be located above lower limit part with mandrel；Guide shoe head upper outside connects with pipe
Head lower inside is fixedly installed togather, and guide shoe head upper end and end in contact under orifice plate are spacing；Up-hole plate is provided with upper circulation port,
Orifice plate is provided with lower circulation port.
2. well cementation vibrating device according to claim 1, it is characterised in that upper limit part includes upper pressing cap, deep-groove ball
Bearing and upper gasket ring, deep groove ball bearing are sleeved on mandrel top, and upper centre bore top is provided with upper centre bore land, deep groove ball bearing
Upper end is butted on centre bore land lower end, and upper pressing cap inner side is with being fixedly installed togather and compressing deep-groove ball axle on the outside of mandrel upper end
Upper end is held, upper gasket ring is sleeved on mandrel top and between deep groove ball bearing and impeller；Lower limit part includes lower pressing cap, pushed away
Power bearing and lower gasket ring, thrust bearing are sleeved on mandrel bottom, and lower centre bore top is provided with lower centre bore annular groove, thrust metal
In in lower centre bore annular groove, it is fixedly installed togather on the inside of lower pressing cap with mandrel lower end outside, lower pressing cap is located at below orifice plate,
Underlay ring set is mounted in mandrel bottom and between thrust bearing and eccentric cam.
3. well cementation vibrating device according to claim 2, it is characterised in that upper pressing cap is threadedly attached in mandrel
Together, lower pressing cap is together by a threaded connection with mandrel.
4. according to the well cementation vibrating device described in claim 1 or 2 or 3, it is characterised in that be uniformly distributed along the circumference on up-hole plate to
Few four diameters are not less than 20mm upper circulation port, and at least four diameters that are uniformly distributed along the circumference on orifice plate, which are not less than under 20mm, to follow
Annular distance.
5. according to the well cementation vibrating device described in claim 1 or 2 or 3, it is characterised in that impeller includes blade and wheel hub, leaf
The oblique circumference uniform distribution of piece is on wheel hub and rotation direction is consistent, and blade quantity is at least 4 and the angle of blade and horizontal plane is
Between 30 degree to 60 degree.
6. well cementation vibrating device according to claim 4, it is characterised in that impeller includes blade and wheel hub, and blade is in incline
Ramp-like circumference uniform distribution is on wheel hub and rotation direction is consistent, and blade quantity is at least 4 and the angle of blade and horizontal plane is 30 degree and arrived
Between 60 degree.
7. according to the well cementation vibrating device described in claim 1 or 2 or 3 or 6, it is characterised in that mandrel upper outside is provided with upper
Positive stop key, impeller inner side are provided with the impeller keyway that can be engaged with upper limit key, and mandrel lower outside is provided with lower limit key, eccentric
Fixed eccentric cam keyway can be engaged with lower limit key by being provided with the inside of cam.
8. well cementation vibrating device according to claim 4, it is characterised in that mandrel upper outside is provided with upper limit key, leaf
Wheel inner side is provided with the impeller keyway that can be engaged with upper limit key, and mandrel lower outside is provided with lower limit key, eccentric cam inner side
Provided with fixed eccentric cam keyway can be engaged with lower limit key.
9. according to the well cementation vibrating device described in claim 1 or 2 or 3 or 6 or 8, it is characterised in that guide shoe head and pipe joint
It is together by a threaded connection.
10. well cementation vibrating device according to claim 7, it is characterised in that guide shoe head is connected through a screw thread with pipe joint
Together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720621600.9U CN206903615U (en) | 2017-05-31 | 2017-05-31 | Well cementation vibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720621600.9U CN206903615U (en) | 2017-05-31 | 2017-05-31 | Well cementation vibrating device |
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| Publication Number | Publication Date |
|---|---|
| CN206903615U true CN206903615U (en) | 2018-01-19 |
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ID=61285926
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720621600.9U Active CN206903615U (en) | 2017-05-31 | 2017-05-31 | Well cementation vibrating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109138907A (en) * | 2018-10-15 | 2019-01-04 | 中国石油大学(华东) | Underground complex vibration cementing unit |
-
2017
- 2017-05-31 CN CN201720621600.9U patent/CN206903615U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109138907A (en) * | 2018-10-15 | 2019-01-04 | 中国石油大学(华东) | Underground complex vibration cementing unit |
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