CN206903598U - Well cementation vibration pipe nipple - Google Patents
Well cementation vibration pipe nipple Download PDFInfo
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- CN206903598U CN206903598U CN201720620596.4U CN201720620596U CN206903598U CN 206903598 U CN206903598 U CN 206903598U CN 201720620596 U CN201720620596 U CN 201720620596U CN 206903598 U CN206903598 U CN 206903598U
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- mandrel
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Abstract
It the utility model is related to oil well fixed operation technical field, it is well cementation vibration pipe nipple, it includes pipe joint, mandrel, up-hole plate, baffle plate, impeller, eccentric cam and guide shoe head, mandrel is provided with inside pipe joint, outside is provided with the first land in the middle part of mandrel, and the second land that diameter is less than the first land is provided with below the first land；Pipe joint upper inside wall is provided with upper land, and pipe joint upper inner is set with up-hole plate, and land lower end is butted on the outside of up-hole plate upper 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.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, cement mortar bonding quality is improved, 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 vibration pipe nipple.
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 vibration pipe nipple, overcomes the deficiency of above-mentioned prior art, 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 vibration pipe nipple, including pipe joint,
Mandrel, up-hole plate, baffle plate, impeller, eccentric cam and guide shoe head, are provided with mandrel inside pipe joint, and outside is provided with the in the middle part of mandrel
One land, the second land that diameter is less than the first land is provided with below the first land；Pipe joint upper inside wall is provided with upper land,
Pipe joint upper inner is set with up-hole plate, is butted on land lower end on the outside of up-hole plate upper end, the middle part of up-hole plate be provided with it is upper in
Heart hole, mandrel upper end pass centre bore and positioned at the tops of upper centre bore, and mandrel can be made by being provided between upper centre bore and mandrel
Freely rotated relative to up-hole plate and the descending upper limit part of up-hole plate can be limited, mandrel top, which is installed with, to be turned with mandrel
Impeller dynamic and below upper limit part, the lower end seat of impeller is in the first land；Inwall is provided with down in the middle part of pipe joint
Annular groove, pipe joint inside middle portion are provided with the baffle plate being sleeved on the outside of the second land, lower annular groove upper end are butted on the outside of baffle plate upper end, keep off
Be provided with lower centre bore in the middle part of plate, mandrel lower end passes lower centre bore and positioned at lower centre bore lower section, lower between centre bore and mandrel
Provided with mandrel opposing flaps can be made freely to rotate and can limit the up lower limit part of baffle plate, mandrel bottom is installed with energy
The eccentric cam rotated with mandrel, the upper end of eccentric cam are butted on the lower end of the second land, and the lower end fixed installation of mandrel is limited
The descending spacing ring of eccentric cam processed；Plate circulation port is provided with up-hole plate, is provided with the middle part of pipe joint positioned at up-hole plate and gear
Pipe circulation port between plate；Guide shoe head upper outside is fixedly installed togather with pipe joint lower inside, guide shoe head upper end and gear
End in contact is spacing under plate.
Here is the further optimization and/or improvements to above-mentioned utility model technical scheme：
Above-mentioned upper limit part may include upper pressing cap, deep groove ball bearing and upper gasket ring, and the upper end of mandrel is connected through a screw thread
There is upper pressing cap, have upper gasket ring below upper pressing cap, be provided between corresponding upper pressing cap and upper gasket ring on the outside of the mandrel of position positioned at upper
Deep groove ball bearing on the inside of orifice plate, upper centre bore upper inner are provided with upper centre bore land, and deep groove ball bearing upper end is in upper
Below heart orifice ring platform；Lower limit part is thrust bearing, and thrust bearing is butted on below the first land and is sleeved in the second land,
Thrust bearing lower end is installed together with baffle plate.
Above-mentioned baffle plate upper surface can be provided with the baffle plate step between thrust bearing and pipe joint inwall.
The plate circulation port that at least four diameters are not less than 20mm, pipe joint middle part can be uniformly distributed with above-mentioned up-hole plate along the circumference
Outside is uniformly distributed with the pipe circulation port that at least four diameters are not less than 20mm along the circumference.
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
Between at least six and the angle of blade and horizontal plane are 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 middle part 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 spacing ring can be together by a threaded connection with mandrel lower end.
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 baffle plate, and 5 be impeller, and 6 be inclined
Cardiac prominence wheel, 7 be guide shoe head, and 8 be the first land, and 9 be the second land, and 10 be upper land, and 11 be upper centre bore, and 12 be lower annular groove,
13 be lower centre bore, and 14 be spacing ring, and 15 be plate circulation port, and 16 be pipe circulation port, and 17 be upper pressing cap, and 18 be deep groove ball bearing,
19 be upper gasket ring, and 20 be upper centre bore land, and 21 be thrust bearing, and 22 be baffle plate step, and 23 be upper limit key, and 24 be impeller key
Groove, 25 be lower limit key, and 26 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, baffle plate 4, impeller with vibration pipe nipple
5th, eccentric cam 6 and guide shoe first 7, the inside of pipe joint 1 are provided with mandrel 2, and the middle part of mandrel 2 outside is provided with the first land 8, in the first ring
The lower section of platform 8 is provided with the second land 9 that diameter is less than the first land 8；The upper inside wall of pipe joint 1 is provided with upper land 10, on pipe joint 1
Portion's inner sleeve is equipped with up-hole plate 3, is butted on the lower end of land 10 on the outside of the upper end of up-hole plate 3, the middle part of up-hole plate 3 is provided with upper centre bore
11, the upper end of mandrel 2 passes centre bore 11 and positioned at the top of upper centre bore 11, and energy is provided between upper centre bore 11 and mandrel 2
Mandrel 2 is freely rotated relative to up-hole plate 3 and the descending upper limit part of up-hole plate 3 can be limited, the top of mandrel 2 is installed with
Can be rotated with the mandrel 2 and impeller 5 below upper limit part, the lower end seat of impeller 5 is in the first land 8；Pipe joint 1
Middle part inwall is provided with lower annular groove 12, and the inside middle portion of pipe joint 1 is provided with the baffle plate 4 for being sleeved on the outside of the second land 9, the upper end of baffle plate 4
Outside is butted on the lower upper end of annular groove 12, and the middle part of baffle plate 4 is provided with lower centre bore 13, under the lower end of mandrel 2 passes lower centre bore 13 and is located at
The lower section of centre bore 13, being provided between lower centre bore 13 and mandrel 2 can be such that the opposing flaps 4 of mandrel 2 freely rotate and can limit baffle plate 4
Up lower limit part, the bottom of mandrel 2 are installed with the eccentric cam 6 that can be rotated with mandrel 2, the upper end of eccentric cam 6
The lower end of the second land 9 is butted on, the descending spacing ring 14 of restricted eccentric cam 6 is fixedly mounted in the lower end of mandrel 2；In up-hole plate
3 are provided with plate circulation port 15, and the pipe circulation port 16 between up-hole plate 3 and baffle plate 4 is provided with the middle part of pipe joint 1；Guide shoe first 7
Upper outside is fixedly installed togather with the lower inside of pipe joint 1, and first 7 upper end of guide shoe and 4 times end in contact of baffle plate are spacing.Cementing the well
During, the upper end of pipe joint 1 injection displacement fluid, displacement fluid flows through up-hole plate 3, the plate circulation port 15 being provided with by up-hole plate 3
Impeller 5 is flowed to, impeller 5 rotates under the impetus of displacement fluid, and impeller 5 rotates mandrel 2, and the rotation of mandrel 2 drives lower section partially
Cardiac prominence wheel 6, due to the non-uniform mass of eccentric cam 6, the utility model is set to occur the vibration of frequency low-amplitude, displacement fluid is from pipe
The pipe circulation port 16 that the middle part of joint 1 is provided with flows into, by impeller 5, because pipe circulation port 16 is located at the top of baffle plate 4, so as to push up
For liquid because of the closure of baffle plate 4, displacement fluid can be made to accelerate to flow out from pipe circulation port 16.The utility model reasonable and compact in structure, makes
With conveniently, being rotated by impeller 5 rotates mandrel 2, is rotated by mandrel 2 and drives eccentric cam 6, makes to shake by eccentric cam 6
The vibration of frequency low-amplitude occurs for dynamic device, drives pipe string to vibrate by the vibration of vibrating device, cement mortar is evenly distributed,
Cement mortar bonding quality is improved, good cementing quality can be reached.
Above-mentioned well cementation can be made further optimization and/or improvements with vibration pipe nipple according to being actually needed：
As shown in Figure 1, upper limit part includes upper pressing cap 17, deep-groove ball axle 18 is held and upper gasket ring 19, the upper end of mandrel 2
Upper pressing cap 17 is connected through a screw thread, there are upper gasket ring 19, the meta of corresponding upper pressing cap 17 and upper gasket ring 19 in the lower section of upper pressing cap 17
The outside of mandrel 2 put is provided with the deep groove ball bearing 18 positioned at the inner side of up-hole plate 3, and the upper upper inner of centre bore 11 is provided with upper centre bore
Land 20, the upper end of deep groove ball bearing 18 is positioned at the upper lower section of centre bore land 20；Lower limit part is thrust bearing 21, thrust bearing
21 are butted on the lower section of the first land 8 and are sleeved in the second land 9, and the lower end of thrust bearing 21 is installed together with baffle plate 4.By upper
Limiting component is spacing to up-hole plate 3, impeller 5 and mandrel 2, and lower limit part is spacing to baffle plate 4 and mandrel 2, can make this reality
With more stable during Novel work.
As shown in Figure 1, the upper surface of baffle plate 4 is provided with the baffle plate step between thrust bearing 21 and the inwall of pipe joint 1
22.In well cementing process, rotation can be made by baffle plate step and carried out by the baffle plate 4 that displacement fluid impacts spacing, and avoid pushing away
Power bearing 21 or so acutely rocks, so that more stable during utility model works.
As shown in accompanying drawing 1,3, the plate circulation port that at least four diameters are not less than 20mm is uniformly distributed with up-hole plate 3 along the circumference
15, the middle part of pipe joint 1 outside is uniformly distributed with the pipe circulation port 16 that at least four diameters are not less than 20mm along the circumference.The He of plate circulation port 15
Pipe circulation port 16 can make control replace flow quantity, and after plate circulation port 15 makes displacement fluid flow to impeller 5, impeller 5 rotates more flat
Surely, pipe circulation port 16 makes displacement fluid outflow more steady, the quantity of increase pipe circulation port 16, by baffle plate 4 to displacement fluid to
The closure of the lower flow of pipe joint 1, displacement fluid can be accelerated and discharged out of pipe joint 1, so that turn of impeller 5 and eccentric cam 6
Move faster, therefore the vibration of reinforced pipe string, improve cement mortar bonding quality.
As shown in accompanying drawing 1,2, impeller 5 includes blade and wheel hub, and the oblique circumference uniform distribution of blade is on wheel hub and rotation direction
Unanimously, blade quantity is at least six and between the angle of blade and horizontal plane is 30 degree to 60 degree.Blade in use
The flow velocity of controllable displacement fluid, rotate impeller 5 more steady, during impeller 5 rotates, displacement fluid in pipe joint 1
Generation turbulent flow, the displacement fluid of turbulent have good souring during drilling fluid is replaced, are advantageous to preferably clean ring
Shape space, so that cement mortar strong bonding, contributes to subsequent field to construct.
As shown in accompanying drawing 1,2,3, the upper outside of mandrel 2 is provided with upper limit key 23, and the inner side of impeller 5 is provided with can be with upper limit key
23 impeller keyways 24 being engaged, the middle part of mandrel 2 outside are provided with lower limit key 25, and the inner side of eccentric cam 6 is provided with energy and lower limit
Key 25 is engaged fixed eccentric cam keyway 26.By the cooperation of upper limit key 23 and impeller keyway 24, make impeller 5 and mandrel
It is more stable during 2 rotation, by the cooperation of lower limit key 25 and eccentric cam keyway 26, when the eccentric cam 6 is rotated with mandrel 2
It is more stable.
As shown in Figure 1, spacing ring 14 is together by a threaded connection with the lower end of mandrel 2.It is connected through a screw thread and is easy to limit
Position ring 14 is dismantled from the lower end of mandrel 2.
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 vibration pipe nipple, it is characterised in that including pipe joint, mandrel, up-hole plate, baffle plate, impeller, eccentric cam and draw
Toe-cap, mandrel is provided with inside pipe joint, outside is provided with the first land in the middle part of mandrel, provided with diameter less than the below the first land
Second land of one land；Pipe joint upper inside wall is provided with upper land, and pipe joint upper inner is set with up-hole plate, on up-hole plate
End outside is butted on land lower end, and the middle part of up-hole plate is provided with upper centre bore, mandrel upper end pass centre bore and be located at it is upper in
The top in heart hole, it is descending provided with mandrel can be made freely to be rotated relative to up-hole plate and up-hole plate can be limited between upper centre bore and mandrel
Upper limit part, mandrel top is installed with can be rotated with the mandrel and impeller below the upper limit part, impeller
Lower end seat in the first land；Inwall is provided with lower annular groove in the middle part of pipe joint, and pipe joint inside middle portion is provided with and is sleeved on the second ring
Baffle plate on the outside of platform, lower annular groove upper end is butted on the outside of baffle plate upper end, is provided with lower centre bore in the middle part of baffle plate, mandrel lower end pass it is lower in
Heart hole simultaneously can make mandrel opposing flaps freely rotate and can limit positioned at lower centre bore lower section, lower be provided between centre bore and mandrel
The up lower limit part of baffle plate, mandrel bottom are installed with the eccentric cam that can be rotated with mandrel, the upper end of eccentric cam
The lower end of the second land is butted on, the descending spacing ring of restricted eccentric cam is fixedly mounted in the lower end of mandrel；Set on up-hole plate
There is plate circulation port, the pipe circulation port being provided with the middle part of pipe joint between up-hole plate and baffle plate；Guide shoe head upper outside and pipe
Joint lower inside is fixedly installed togather, and guide shoe head upper end and end in contact under baffle plate are spacing.
2. well cementation according to claim 1 vibration pipe nipple, it is characterised in that upper limit part includes upper pressing cap, deep-groove ball
Bearing and upper gasket ring, the upper end of mandrel have been connected through a screw thread upper pressing cap, there is upper gasket ring below upper pressing cap, corresponding upper pressing cap with
The deep groove ball bearing being provided between upper gasket ring on the outside of the mandrel of position on the inside of up-hole plate, upper centre bore upper inner is provided with upper
Centre bore land, deep groove ball bearing upper end are located at below upper centre bore land；Lower limit part is thrust bearing, and thrust bearing supports
Below the first land and it is sleeved in the second land, thrust bearing lower end is installed together with baffle plate.
3. well cementation according to claim 2 vibration pipe nipple, it is characterised in that baffle plate upper surface, which is provided with, is located at thrust bearing
Baffle plate step between pipe joint inwall.
4. the well cementation vibration pipe nipple according to claim 1 or 2 or 3, it is characterised in that be uniformly distributed with along the circumference on up-hole plate
At least four diameters are not less than 20mm plate circulation port, and pipe joint middle part outside is uniformly distributed with least four diameters along the circumference and is not less than
20mm pipe circulation port.
5. the well cementation vibration pipe nipple according to 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, at least six, the blade and angle of blade and horizontal plane is 30 degree
To between 60 degree.
6. well cementation according to claim 4 vibration pipe nipple, 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, at least six, the blade and angle of blade and horizontal plane is 30 degree to 60 degree
Between.
7. the well cementation vibration pipe nipple according to 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 outside is provided with lower limit key in the middle part of mandrel, eccentric
Fixed eccentric cam keyway can be engaged with lower limit key by being provided with the inside of cam.
8. well cementation according to claim 5 vibration pipe nipple, it is characterised in that mandrel upper outside is provided with upper limit key, leaf
Take turns inner side and be provided with the impeller keyway that can be engaged with upper limit key, outside is provided with lower limit key, eccentric cam inner side in the middle part of mandrel
Provided with fixed eccentric cam keyway can be engaged with lower limit key.
9. the well cementation vibration pipe nipple according to claim 1 or 2 or 3 or 6 or 8, it is characterised in that under spacing ring and mandrel
End is together by a threaded connection；Or/and guide shoe head is together by a threaded connection with pipe joint.
10. well cementation according to claim 7 vibration pipe nipple, it is characterised in that spacing ring is connected with mandrel lower end by screw thread
It is connected together；Or/and guide shoe head is together by a threaded connection with pipe joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720620596.4U CN206903598U (en) | 2017-05-31 | 2017-05-31 | Well cementation vibration pipe nipple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720620596.4U CN206903598U (en) | 2017-05-31 | 2017-05-31 | Well cementation vibration pipe nipple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206903598U true CN206903598U (en) | 2018-01-19 |
Family
ID=61286496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720620596.4U Active CN206903598U (en) | 2017-05-31 | 2017-05-31 | Well cementation vibration pipe nipple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206903598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100554A (en) * | 2017-05-31 | 2017-08-29 | 中国石油集团西部钻探工程有限公司 | Well cementation vibration pipe nipple |
-
2017
- 2017-05-31 CN CN201720620596.4U patent/CN206903598U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100554A (en) * | 2017-05-31 | 2017-08-29 | 中国石油集团西部钻探工程有限公司 | Well cementation vibration pipe nipple |
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