CN212130438U - Vibrator for well cementation - Google Patents
Vibrator for well cementation Download PDFInfo
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- CN212130438U CN212130438U CN202022421698.8U CN202022421698U CN212130438U CN 212130438 U CN212130438 U CN 212130438U CN 202022421698 U CN202022421698 U CN 202022421698U CN 212130438 U CN212130438 U CN 212130438U
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Abstract
The utility model relates to a well cementation and completion field provides a vibrator for well cementation, wherein spiral-flow disk A and spiral-flow disk B on establish circulation hole A and circulation hole B, establish overflow channel A on the quiet valve, spiral-flow disk A, spiral-flow disk B and quiet valve are fixed on the casing, and spiral-flow disk A, spiral-flow disk B and quiet valve install on axle A through the bearing, be fixed with eccentric impeller and power impeller on the axle A, the welding has the eccentric block on the eccentric impeller, quiet valve one side and axle A tip install the moving valve through the pin, and the moving valve is fixed on axle A through locking mechanism; the rotational flow disk C and the lower tray are fixed on the shell through fixing pins, the rotational flow disk C and the lower tray are installed on a shaft B through bearings, and a stirring impeller is fixed on the shaft B and between the rotational flow disk C and the lower tray; has the advantages that: the utility model has multi-stage vibration without mutual interference; radial and axial bidirectional vibration; the valve type structure improves the safety and the reliability of the tool and reduces the occurrence of underground accidents.
Description
Technical Field
The utility model belongs to the technical field of the well cementation completion and specifically relates to a vibrator for well cementation is related to.
Background
In the oil well cementing operation, when the conventional operation is carried out, cement slurry is replaced from the inside to the outside of the pipe, the cement slurry is possibly settled or not completely replaced, and the cementing quality is poor. Conventional oscillators mainly include: 1. pure radial vibration or pure axial vibration 2, radial + leakage flow and pressure relief type axial vibration 3, radial + flap type axial vibration 4, radial + rotary compression spring type axial vibration.
The disadvantages are mainly: 1. the vibration direction is single 2, the flow and pressure are released, the well wall is easy to erode 3, the plate is turned over, the gap between the plate and the shell is too small, the plate is easy to block 4, the spring type needs to overcome the water flow impact, thereby realizing the axial vibration, and the requirement on the elasticity of the spring is very high, and the spring is easy to lose efficacy. In addition, some structures are complex and difficult to install and process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the not enough of prior art, and provide a vibrator for well cementation.
The utility model discloses new technical scheme is: a vibrator for well cementation comprises a shell, a rotational flow disk A, an eccentric impeller, a rotational flow disk B, a power impeller, a shaft A, a static valve, a movable valve, a pin, a locking mechanism, a rotational flow disk C, a stirring impeller, a shaft B, a lower tray and a fixed pin, the spiral-flow disk A is provided with a circulation hole A, the spiral-flow disk B is provided with a circulation hole B, the static valve is provided with a flow passage A, the spiral-flow disk B and the static valve are fixed on the shell through fixing pins, the rotational flow disk A, the rotational flow disk B and the static valve are arranged on the shaft A through bearings, an eccentric impeller is fixed on the shaft A and between the rotational flow disk A and the rotational flow disk B, an eccentric block is welded on the eccentric impeller, a power impeller is fixed on the shaft A and between the rotational flow disk B and the static valve, a movable valve is arranged on one side of the static valve and at the end part of the shaft A through a pin, and the movable valve is fixed on the shaft A through a locking mechanism; the spiral-flow disk C on be equipped with circulation hole C, lower tray on be equipped with and flow through passageway B, spiral-flow disk C and lower tray pass through the fixed pin and fix on the casing, spiral-flow disk C and lower tray pass through the bearing and install on axle B, axle B on and between spiral-flow disk C and lower tray be fixed with impeller.
The number of the circulation holes A, B and C is respectively 6.
The diameters of the circulation holes A, B and C are 24 mm.
The included angle between the axes of the circulation holes A, B and C and the horizontal plane is 60 degrees.
The power impeller, the eccentric impeller and the stirring impeller comprise impellers and hubs.
The number of the power impeller, the number of the eccentric impeller and the number of the impellers of the stirring impeller are respectively 5.
The rotating directions of the impellers are consistent.
The utility model has the advantages that: the utility model has multi-stage vibration without mutual interference; radial and axial bidirectional vibration; the valve type structure improves the safety and reliability of the tool and reduces the occurrence of underground accidents; the well cementation quality is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the closing of the overflowing channel A.
Fig. 3 is a schematic structural diagram of the open flow channel a.
Wherein: 1. the spiral-flow disk comprises a shell, 2, a spiral-flow disk A, 201, a circulation hole A, 3, an eccentric impeller, 4, an eccentric block, 5, a spiral-flow disk B, 501, a circulation hole B, 6, a power impeller, 7, a shaft A, 8, a static valve, 801, an overflowing channel A, 9, a movable valve, 10, a pin, 11, a locking mechanism, 12, a spiral-flow disk C, 1201, a circulation hole C, 13, a stirring impeller, 14, a shaft B, 15, a lower tray, 1501, an overflowing channel B, 16 and a fixing pin.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
A vibrator for well cementation comprises a shell 1, a cyclone disk A2, an eccentric impeller 3, a cyclone disk B5, a power impeller 6, a shaft A7, a static valve 8, a movable valve 9, a pin 10, a locking mechanism 11, a cyclone disk C12, a stirring impeller 13, a shaft B14, a lower tray 15 and a fixed pin 16, wherein a circulation hole A201 is formed in the cyclone disk A2, a circulation hole B501 is formed in the cyclone disk B5, an overflowing channel A801 is formed in the static valve 8, the cyclone disk A2, the cyclone disk B5 and the static valve 8 are fixed on the shell 1 through the fixed pin 16, the cyclone disk A2, the cyclone disk B5 and the static valve 8 are installed on the shaft A7 through bearings, the shaft A7 is provided with the eccentric impeller 3 fixed between the cyclone disk A2 and the cyclone disk B5, an eccentric block 4 is welded on the eccentric impeller 3, an eccentric block is welded on the shaft A7, the cyclone disk B5 and the static valve 8 are fixed with the eccentric impeller 3, one side of the static valve A7 is installed on the pin 10, and the valve 9 is fixed on the shaft A7 through the locking mechanism 11; the cyclone disk C12 is provided with a circulation hole C1201, the lower tray 15 is provided with a flow passage B1501, the cyclone disk C12 and the lower tray 15 are fixed on the shell 1 through a fixing pin 16, the cyclone disk C12 and the lower tray 15 are arranged on a shaft B14 through a bearing, and a stirring impeller 13 is fixed on the shaft B14 and between the cyclone disk C12 and the lower tray 15.
The number of the circulation holes A201, B501 and C1201 is 6 respectively.
The diameters of the circulation holes A201, B501 and C1201 are 24 mm.
The included angle between the axes of the circulation holes A201, B501 and C1201 and the horizontal plane is 60 degrees.
The power impeller 6, the eccentric impeller 3 and the stirring impeller 13 comprise impellers and hubs.
The number of the power impeller 6, the eccentric impeller 3 and the stirring impeller 13 is 5 respectively.
The rotating directions of the impellers are consistent.
A vibrator for well cementation is divided into three stages according to functions: the first stage generates radial vibration, the second stage generates axial pulse vibration and the third stage fully stirs. 6 circulation holes with the diameter of 24mm are uniformly arranged on the spinning disk A2, the spinning disk B5 and the spinning disk C12, and the angle between the axis of each circulation hole and the horizontal plane is 60 degrees so as to generate liquid cyclone, so that the eccentric impeller 3, the power impeller 6 and the stirring impeller 13 are driven to rotate. The impeller consists of blades and a hub, the rotating directions of the blades are consistent, and the number of the blades is 5. The eccentric impeller 3 consists of an impeller and an eccentric block 4, rotates at a high speed under the drive of the power of cement paste, and generates radial periodic vibration under the action of eccentricity. The movable valve 9 is fixed on the shaft A7 through the pin 10 and the locking mechanism 11, the power impeller 6 rotates to drive the movable valve 9 to move along with the pin, the movable valve 9 rotates to fix the static valve 8, and accordingly the overflowing area at the overflowing channel A801 is changed relatively, periodic fluctuation is generated, and axial pulse vibration is formed. The movable valve 9 makes circular motion relative to the static valve 8, the flowing area is periodically changed from small to large and then from large to small, and the flowing area is not provided with 0 moment, so that the cement paste is always kept smooth, and blockage is avoided; the leakage-free pressure relief hole can not erode the well wall. The stirring impeller 13 rotates at a high speed under the driving of cement paste, so that the cement paste is fully mixed, large-volume air bubbles in the cement are broken, the cement paste is more uniform, the cementing quality is improved, the cement is prevented from settling, and the well cementation quality is improved.
Claims (7)
1. The utility model provides a vibrator for well cementation, includes casing (1), spinning disk A (2), eccentric impeller (3), spinning disk B (5), power impeller (6), axle A (7), quiet valve (8), dynamic valve (9), pin (10), locking mechanism (11), spinning disk C (12), impeller (13), axle B (14), tray (15) and fixed pin (16) down, its characterized in that: the spiral-flow disk A (2) on be equipped with circulation hole A (201), spiral-flow disk B (5) on be equipped with circulation hole B (501), quiet valve (8) on be equipped with and overflow passageway A (801), spiral-flow disk A (2), spiral-flow disk B (5) and quiet valve (8) fix on casing (1) through fixed pin (16), and spiral-flow disk A (2), spiral-flow disk B (5) and quiet valve (8) install on axle A (7) through the bearing, axle A (7) on and spiral-flow disk A (2) and spiral-flow disk B (5) between be fixed with eccentric impeller (3), eccentric impeller (3) on weld have eccentric block (4), axle A (7) on and spiral-flow disk B (5) and quiet valve (8) between be fixed with power impeller (6), quiet valve (8) one side and axle A (7) tip install through pin (10) and move valve (9), the movable valve (9) is fixed on the shaft A (7) through a locking mechanism (11); the spiral-flow disk C (12) on be equipped with circulation hole C (1201), lower tray (15) on be equipped with and flow through passageway B (1501), spiral-flow disk C (12) and lower tray (15) fix on casing (1) through fixed pin (16), spiral-flow disk C (12) and lower tray (15) install on axle B (14) through the bearing, axle B (14) on and spiral-flow disk C (12) and lower tray (15) between be fixed with impeller (13).
2. A vibrator for well cementation according to claim 1, wherein: the number of the circulation holes A (201), B (501) and C (1201) is respectively 6.
3. A vibrator for well cementation according to claim 1 or 2, wherein: the diameters of the circulation holes A (201), B (501) and C (1201) are 24 mm.
4. A vibrator for well cementation according to claim 3, wherein: the included angle between the axes of the circulation holes A (201), B (501) and C (1201) and the horizontal plane is 60 degrees.
5. A vibrator for well cementation according to claim 1, wherein: the power impeller (6), the eccentric impeller (3) and the stirring impeller (13) comprise impellers and hubs.
6. A vibrator for well cementation according to claim 1 or 5, wherein: the number of the power impeller (6), the number of the eccentric impeller (3) and the number of the impellers of the stirring impeller (13) are respectively 5.
7. A vibrator for well cementation according to claim 6, wherein: the rotating directions of the impellers are consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022421698.8U CN212130438U (en) | 2020-10-28 | 2020-10-28 | Vibrator for well cementation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022421698.8U CN212130438U (en) | 2020-10-28 | 2020-10-28 | Vibrator for well cementation |
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| Publication Number | Publication Date |
|---|---|
| CN212130438U true CN212130438U (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022421698.8U Active CN212130438U (en) | 2020-10-28 | 2020-10-28 | Vibrator for well cementation |
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| CN (1) | CN212130438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115958695A (en) * | 2022-12-26 | 2023-04-14 | 中国农业大学 | Cement paste stirring and mixing system with ultrasonic mechanical composite vibration |
-
2020
- 2020-10-28 CN CN202022421698.8U patent/CN212130438U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115958695A (en) * | 2022-12-26 | 2023-04-14 | 中国农业大学 | Cement paste stirring and mixing system with ultrasonic mechanical composite vibration |
| CN115958695B (en) * | 2022-12-26 | 2024-04-12 | 中国农业大学 | Ultrasonic mechanical composite vibration cement paste stirring and mixing system |
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Address after: 257091 east of Quanzhou Road, north of Fuqian street, development zone, Dongying City, Shandong Province Patentee after: Shandong Weima Equipment Technology Co.,Ltd. Patentee after: Shandong Hongfeng Intelligent Equipment Co., Ltd. Address before: 257091 east of Quanzhou Road, north of Fuqian street, development zone, Dongying City, Shandong Province Patentee before: Shandong Weima Equipment Technology Co.,Ltd. Patentee before: Shandong Hongfeng offshore oil equipment Co., Ltd. |