CN209385093U - A kind of active high-frequency vibration cementing unit - Google Patents
A kind of active high-frequency vibration cementing unit Download PDFInfo
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- CN209385093U CN209385093U CN201822063056.8U CN201822063056U CN209385093U CN 209385093 U CN209385093 U CN 209385093U CN 201822063056 U CN201822063056 U CN 201822063056U CN 209385093 U CN209385093 U CN 209385093U
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- driving
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- pipeline section
- base tube
- frequency vibration
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Abstract
The utility model discloses a kind of active high-frequency vibration cementing units.The active high-frequency vibration cementing unit, including base tube, eccentric vibrating unit and driving unit are equipped in base tube, driving unit sealing is set to driving installation interior of shell and is fixed in base tube by driving installation shell, the flow channels passed through for fluid are equipped on driving installation shell, the output end of driving unit is pierced by driving installation shell and is connected with eccentric vibrating unit.The active high-frequency vibration cementing unit, under the premise of not changing original well shaft fixing technology, it is eccentrically rotated using electric drive eccentric wheel high-speed, it generates mechanical vibration wave and is transferred to base tube, it drives entire pipe string to do high-frequency vibration, sufficiently improves the compactness and uniformity of cement slurry, improve the cementing strength of cement slurry and interface, it ensure that cementing quality, and be applicable to the well cementation overall process such as cement slurry displacement process and Hou Ning phase.
Description
Technical field
The utility model belongs to petroleum oil well completion exploitation cementing technology field, in particular to a kind of active high-frequency vibration well cementation
Device.
Background technique
Petroleum is drilled in well well cementing process, due to the presence of the impurity such as the density issue of cement itself and bubble, in cement
It is often cracked in process of setting and gap, easily causes cementing quality poor or even underproof problem, later period bottoms stream
It may penetrate into cement matrix, occur to alter slot between bottom, influence oil and gas production.Therefore, pass through vibration cement in well cementing process
It is one of effective technology means that slurry, which improves cementing quality,.Mostly at present is to carry out well cementing operation using hydraulic-driven mode of vibration,
But this mode can only use during cement slurry replaces, and without effect between the waiting-on-cement is completed in bruising, therefore this side
Method produces little effect to the improvement effect of cementing quality.
Utility model content
The utility model, which provides, a kind of effectively improves cementing quality, suitable for cement slurry displacement process by high-frequency vibration
With the active high-frequency vibration cementing unit of Hou Ning phase, solve problems of the prior art.
Used technical solution is the utility model to solve above-mentioned technical problem:
A kind of active high-frequency vibration cementing unit, including base tube, are equipped with eccentric vibrating unit in base tube and driving is single
Member, driving unit sealing are set to driving installation interior of shell and are fixed in base tube by driving installation shell, installed in driving
Shell is equipped with the flow channels passed through for fluid, and the output end of driving unit is pierced by driving installation shell and eccentric vibrating unit
It is connected；
The base tube includes the first pipeline section, the second pipeline section and third pipeline section set gradually from top to bottom, the second pipeline section
Internal diameter of the internal diameter less than the first pipeline section, the internal diameter of the internal diameter of third pipeline section less than the second pipeline section；First pipeline section and the second pipeline section
Joint forms driving unit erecting bed, and the driving installation shell is supported on driving unit erecting bed, single close to driving
First pipeline section inner wall of first erecting bed is equipped with annular groove, is arranged with stop collar in annular groove, the lower surface of stop collar with
The upper surface of driving installation shell, which squeezes, to abut；The joint of second pipeline section and third pipeline section forms vibration unit erecting bed, institute
Eccentric vibrating unit supports are stated on vibration unit erecting bed.
Preferably, the outer diameter of the stop collar is greater than the internal diameter of the first pipeline section, and stop collar opening is not closed.
Preferably, the driving mounting hole through driving installation shell upper and lower end face, driving are equipped on driving installation shell
Unit is set in driving mounting hole, and the upper outside of driving installation shell is radially extended equipped with upper clamping flange, the upper clamping
Flange support is equipped with flow channels on driving unit erecting bed on upper clamping flange, drives the suitable for reading equipped with close of mounting hole
Capping.
Preferably, the lower outside of driving installation shell is radially extended equipped with lower stabilizers, and the outer surface of lower stabilizers is supported
It connects in base tube inner wall, flow channels is equipped in lower stabilizers.
Preferably, the eccentric vibrating unit includes the shaft being connected with driving unit output end, fixed in shaft to connect
It is connected to eccentric wheel, the eccentric wheel is connect using flange or keyway with shaft, is slidingly connected on the outside of the shaft of eccentric wheel lower part
There is lower steadying plate, the bottom of lower steadying plate is supported on vibration unit erecting bed, and the outer surface of lower steadying plate and base tube inner wall
Sealing is connected, and flow channels are equipped on lower steadying plate.
Preferably, the driving unit includes set on the motor driven in mounting hole and the battery case being connected to the motor, electricity
The output sealing of machine is connected after being pierced by driving mounting hole with eccentric vibrating unit.
Preferably, movable sleeve is equipped with upper steadying plate, the outer surface of upper steadying plate and base on the outside of the shaft on eccentric wheel top
Inside pipe wall sealing is connected, and flow channels are equipped on upper steadying plate.
Preferably, guide head is equipped in the bottom end of shaft.
Preferably, connector is equipped on the top of base tube.
The utility model using the above structure, has the advantage that
The active high-frequency vibration cementing unit of the utility model, under the premise of not changing original well shaft fixing technology, using electricity
Driving eccentric wheel high-speed is eccentrically rotated, and is generated mechanical vibration wave and is transferred to base tube, drives entire pipe string to do high-frequency vibration, sufficiently mention
The compactness and uniformity of high cement slurry improve the cementing strength of cement slurry and interface, ensure that cementing quality, and applicable
In the well cementation overall process such as cement slurry displacement process and Hou Ning phase.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of base tube in the utility model；
Fig. 3 is the enlarged structure schematic diagram in the portion A in Fig. 2；
Fig. 4 is the enlarged structure schematic diagram in the portion B in Fig. 2；
Fig. 5 is the enlarged structure schematic diagram of stop collar in the utility model；
Fig. 6 is the enlarged structure schematic diagram of eccentric wheel in the utility model；
Fig. 7 is the enlarged structure schematic diagram of lower steadying plate in the utility model.
In figure, 1, base tube, 2, driving installation shell, 3, flow channels, 4, driving unit erecting bed, 5, annular groove, 6,
Stop collar, 7, vibration unit erecting bed, 8, driving mounting hole, 9, upper clamping flange, the 11, first pipeline section, the 12, second pipeline section, 13,
Third pipeline section, 14, sealing cover, 15, lower stabilizers, 16, shaft, 17, eccentric wheel, 18, lower steadying plate, 19, motor, 20, battery
Box, 21, upper steadying plate, 22, guide head, 23, connector.
Specific embodiment:
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this reality
It is described in detail with novel.
As shown in Fig. 1-Fig. 7, the active high-frequency vibration cementing unit of the present embodiment, including base tube 1, it is equipped in base tube
Eccentric vibrating unit and driving unit, driving unit sealing are set to inside driving installation shell 2 and solid by driving installation shell 2
It is scheduled in base tube 1, is equipped with the flow channels 3 passed through for fluid on driving installation shell 2, the output end of driving unit is pierced by drive
Dynamic installation shell 2 is connected with eccentric vibrating unit；
The base tube 1 includes the first pipeline section 11, the second pipeline section 12 and the third pipeline section 13 that set gradually from top to bottom, and second
Internal diameter of the internal diameter of pipeline section 12 less than the first pipeline section 11, the internal diameter of the internal diameter of third pipeline section 13 less than the second pipeline section 12；First pipe
The joint of section 11 and the second pipeline section 12 forms driving unit erecting bed 4, and the driving installation shell 2 is supported on driving unit peace
It fills on platform 4, is equipped with annular groove 5 in 11 inner wall of the first pipeline section close to driving unit erecting bed 4, blocks in annular groove 5 and set
Restraining position ring block 6, the lower surface of stop collar 6 is squeezed with the upper surface of driving installation shell 2 to abut；Second pipeline section 12 and third pipeline section
13 joint forms vibration unit erecting bed 7, and the eccentric vibrating unit supports are on vibration unit erecting bed 7.
The outer diameter of the stop collar 6 is greater than the internal diameter of the first pipeline section 11, and the opening of stop collar 6 is not closed.
The driving mounting hole 8 through driving installation 2 upper and lower end face of shell, driving unit are equipped on driving installation shell 2
In driving mounting hole 8, the upper outside of driving installation shell 2 is radially extended equipped with upper clamping flange 9, and the upper clamping is convex
Edge 9 is supported on driving unit erecting bed 4, and flow channels are equipped on upper clamping flange 9, and driving the suitable for reading of mounting hole 8 is equipped with
Sealing cover 14.
The lower outside of driving installation shell 2 is radially extended equipped with lower stabilizers 15, and the outer surface of lower stabilizers 15 abuts
In 1 inner wall of base tube, flow channels are equipped in lower stabilizers 15.
The eccentric vibrating unit includes the shaft 16 being connected with driving unit output end, is fixedly connected in shaft 16
Eccentric wheel 17, the eccentric wheel 17 is connect with shaft 16 using flange or keyway, living on the outside of the shaft 16 of 17 lower part of eccentric wheel
Dynamic to be arranged with lower steadying plate 18, the bottom of lower steadying plate 18 is supported on vibration unit erecting bed 7, and the appearance of lower steadying plate 18
Face is connected with the sealing of 1 inner wall of base tube, and flow channels are equipped on lower steadying plate 18, and the quantity of the flow channels is 4-6, week
To being evenly distributed on lower steadying plate 18, shaft 16 is rotatedly connected by bearing with lower steadying plate 18.
The driving unit includes set on the motor 19 driven in mounting hole 8 and the battery case 20 being connected with motor 19, electricity
The output sealing of machine 19 be pierced by driving mounting hole 8 after be connected with the shaft 16 of eccentric vibrating unit, the output shaft of motor 19 and
The connection of 16 keyway of shaft.
16 outside movable sleeve of shaft on 17 top of eccentric wheel is equipped with upper steadying plate 21, the outer surface of upper steadying plate 21 and base
The sealing of 1 inner wall of pipe is connected, and flow channels are equipped on upper steadying plate 21, and the quantity of the flow channels is 4-6, circumferential uniform
It is distributed on steadying plate 21, shaft 16 is rotatedly connected by bearing with upper steadying plate 21.
Guide head 22 is equipped in the bottom end of shaft 16.
Connector 23 is equipped on the top of base tube 4.
When using this cementing unit, base tube 1 is linked into pipe string by the connector 23 at top, the power supply of opening device
It switchs, working condition is entered after setting time, turn on pump recycles Process of Cementing liquid and installs 2 upper and lower part of shell by driving
Upper clamping flange 9 and flow channels 3 and upper steadying plate 21 and lower steadying plate 18 in lower stabilizers 15 on flow channels
3 carry out overcurrent.19 work belt turn axis of motor, 16 high-speed rotation, the eccentric wheel 17 connected in shaft 16 eccentric rotary simultaneously, produces
Raw mechanical vibration wave, is transferred on base tube 1 by upper steadying plate 21 and lower steadying plate 18, so that entire pipe string is done high-frequency vibration, fill
Divide the compactness and uniformity for improving cement slurry, improves the cementing strength of cement slurry and interface, ensure that cementing quality, and can
Suitable for the well cementation overall process such as cement slurry displacement process and Hou Ning phase.
Sealed connection mode in the present embodiment includes but is not limited to sealing ring sealing.
Above-mentioned specific embodiment cannot function as the limitation to scope of protection of the utility model, for the skill of the art
For art personnel, any alternate modification or transformation made to the utility model embodiment all fall within the guarantor of the utility model
It protects in range.
Place is not described in detail for the utility model, is the well-known technique of those skilled in the art of the present technique.
Claims (9)
1. a kind of active high-frequency vibration cementing unit, it is characterised in that: including base tube, eccentric vibrating unit is equipped in base tube
And driving unit, driving unit sealing are set to driving installation interior of shell and are fixed in base tube by driving installation shell,
Driving installs shell and is equipped with the flow channels passed through for fluid, and the output end of driving unit is pierced by driving installation shell and bias
Vibration unit is connected；
The base tube includes the first pipeline section, the second pipeline section and third pipeline section set gradually from top to bottom, the internal diameter of the second pipeline section
Less than the internal diameter of the first pipeline section, the internal diameter of the internal diameter of third pipeline section less than the second pipeline section；First pipeline section and the second pipeline section connect
Place forms driving unit erecting bed, and the driving installation shell is supported on driving unit erecting bed, pacifies close to driving unit
The the first pipeline section inner wall for filling platform is equipped with annular groove, and stop collar, the lower surface of stop collar and driving are arranged in annular groove
The upper surface for installing shell, which squeezes, to abut；The joint of second pipeline section and third pipeline section forms vibration unit erecting bed, described inclined
Heart vibration unit is supported on vibration unit erecting bed.
2. active high-frequency vibration cementing unit according to claim 1, it is characterised in that: the outer diameter of the stop collar is big
In the internal diameter of the first pipeline section, stop collar opening is not closed.
3. active high-frequency vibration cementing unit according to claim 1, it is characterised in that: set on driving installation shell
There is the driving mounting hole through driving installation shell upper and lower end face, driving unit is set in driving mounting hole, driving installation shell
Upper outside radially extend equipped with upper clamping flange, the upper clamping flange support is on driving unit erecting bed, in upper card
Flange is connect equipped with flow channels, the suitable for reading of mounting hole is driven to be equipped with sealing cover.
4. active high-frequency vibration cementing unit according to claim 1, it is characterised in that: the lower part of driving installation shell
It extends radially outside and is equipped with lower stabilizers, the outer surface of lower stabilizers is connected to base tube inner wall, and overcurrent is equipped in lower stabilizers
Channel.
5. active high-frequency vibration cementing unit according to claim 1, it is characterised in that: the eccentric vibrating unit packet
The shaft being connected with driving unit output end is included, eccentric wheel is fixedly connected in shaft, the eccentric wheel and shaft use method
The connection of blue or keyway, movable sleeve is equipped with lower steadying plate on the outside of the shaft of eccentric wheel lower part, and the bottom of lower steadying plate is supported on vibration
On moving cell erecting bed, and the outer surface of lower steadying plate is connected with the sealing of base tube inner wall, and flow channels are equipped on lower steadying plate.
6. active high-frequency vibration cementing unit according to claim 1, it is characterised in that: the driving unit includes setting
In the motor in driving mounting hole and the battery case being connected to the motor, the output sealing of motor is pierced by after driving mounting hole and inclined
Heart vibration unit is connected.
7. active high-frequency vibration cementing unit according to claim 5, it is characterised in that: the shaft on eccentric wheel top
Outside movable sleeve is equipped with upper steadying plate, and the outer surface of upper steadying plate is connected with the sealing of base tube inner wall, was equipped on upper steadying plate
Circulation road.
8. active high-frequency vibration cementing unit according to claim 5, it is characterised in that: be equipped with and lead in the bottom end of shaft
To head.
9. active high-frequency vibration cementing unit according to claim 1, it is characterised in that: be equipped with and connect on the top of base tube
Head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822063056.8U CN209385093U (en) | 2018-12-10 | 2018-12-10 | A kind of active high-frequency vibration cementing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822063056.8U CN209385093U (en) | 2018-12-10 | 2018-12-10 | A kind of active high-frequency vibration cementing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209385093U true CN209385093U (en) | 2019-09-13 |
Family
ID=67871261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822063056.8U Active CN209385093U (en) | 2018-12-10 | 2018-12-10 | A kind of active high-frequency vibration cementing unit |
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| Country | Link |
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| CN (1) | CN209385093U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364945A (en) * | 2020-03-16 | 2020-07-03 | 冒俊 | Natural gas exploitation well hole reinforcing construction method |
| CN115387750A (en) * | 2022-08-10 | 2022-11-25 | 郑州大学 | Drilling rod with vibration function |
-
2018
- 2018-12-10 CN CN201822063056.8U patent/CN209385093U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364945A (en) * | 2020-03-16 | 2020-07-03 | 冒俊 | Natural gas exploitation well hole reinforcing construction method |
| CN111364945B (en) * | 2020-03-16 | 2021-04-02 | 杭州佑滨科技有限公司 | Natural gas exploitation well hole reinforcing construction method |
| CN115387750A (en) * | 2022-08-10 | 2022-11-25 | 郑州大学 | Drilling rod with vibration function |
| CN115387750B (en) * | 2022-08-10 | 2024-01-16 | 郑州大学 | Drill rod with vibration function |
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