CN215444014U - Well head vibration well cementation equipment - Google Patents
Well head vibration well cementation equipment Download PDFInfo
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- CN215444014U CN215444014U CN202120883631.8U CN202120883631U CN215444014U CN 215444014 U CN215444014 U CN 215444014U CN 202120883631 U CN202120883631 U CN 202120883631U CN 215444014 U CN215444014 U CN 215444014U
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- barrel
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- driven body
- flange
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- 238000004146 energy storage Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000011900 installation process Methods 0.000 abstract description 3
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model provides a well head vibration well cementation equipment, relates to oil field well cementation technical field, including last flange, lower flange, barrel, motor, carousel, driven body, connecting rod, case, disk seat and water injection well choke, goes up the flange welding in the upper end of barrel, and lower flange cover is in the barrel outside, the motor is installed in the inboard bottom of barrel, and the output shaft of motor is located the upside of motor, carousel fixed connection is on the output shaft of motor, driven body sets up be provided with along axial slide on the face of cylinder of the driven body outside, install the anti-rotating pin that corresponds with this slide on the barrel, the end of anti-rotating pin is inserted in the slide, the edge of side and the edge of driven body downside respectively are provided with the continuous cam structure of the cyclic annular of mutually matching on the carousel. According to the utility model, the energy storage chamber and the pulse generating mechanism are arranged in the wellhead, so that the occupation of ground space is effectively reduced, and the installation process of equipment is simplified.
Description
Technical Field
The utility model belongs to the technical field of oil field well cementation, and particularly relates to well mouth vibration well cementation equipment.
Background
The well head vibration well cementation process is a new well cementation process, and the adopted equipment of said process mainly includes air pump, energy storage chamber and electromagnetic change-over valve, when it is used, it can be pressurized by air pump and can store energy in the energy storage chamber, then the electromagnetic change-over valve can be controlled to produce pressure pulse, and said pressure pulse can be transferred into the well. However, in the prior art, the energy storage chamber and the electromagnetic directional valve are ground equipment, which not only occupies ground space, but also is troublesome to install and transport. Therefore, it is necessary to design a new wellhead cementing process equipment to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the background technology, the utility model provides wellhead vibration well cementation equipment.
The technical problem solved by the utility model is realized by adopting the following technical scheme: the utility model provides wellhead vibration well cementation equipment, which comprises an upper flange, a lower flange, a barrel, a motor, a rotary disc, a driven body, a connecting rod, a valve core, a valve seat and a water nozzle, wherein the upper flange is welded at the upper end of the barrel, the lower flange is sleeved at the outer side of the barrel, the motor is arranged at the bottom of the inner side of the barrel, an output shaft of the motor is positioned at the upper side of the motor, the rotary disc is fixedly connected to the output shaft of the motor, the driven body is arranged above the rotary disc, an axial slideway is arranged on a cylindrical surface at the outer side of the driven body, an anti-rotation pin corresponding to the slideway is arranged on the barrel, the tail end of the anti-rotation pin is inserted into the slideway, the edges of the upper side surface of the rotary disc and the lower side surface of the driven body are respectively provided with annular continuous cam structures which are matched with each other, the lower end of the connecting rod is fixedly connected with the driven body, the upper end of the connecting rod is fixedly connected with the valve core, and the valve seat is inserted into the barrel, the valve core is positioned above the valve seat, a pair of conical surfaces which are matched with each other and have a sealing effect are arranged on the valve core and the valve seat, a spring is arranged between the bottom of the valve seat and the driven body, and the driven body always keeps the moving trend of approaching the rotary table under the elastic force of the spring;
threaded holes with the same size are formed in the side walls of the valve seat and the barrel, a water nozzle is mounted in each threaded hole, and a through hole is formed in the center of each water nozzle;
an air inlet hole for connecting an air pump is formed in the center of the upper flange;
an energy storage chamber is arranged at the upper part of the inner space of the cylinder body;
the motor is connected with a power supply cable, the power supply cable penetrates out of the bottom of the barrel and extends out of the well through a threading hole in the side face of the lower flange.
As a further technical solution, the supply cable is sealed by a cable sealing assembly on the lower flange and at the bottom of the cylinder.
As a further technical scheme, the upper flange and the lower flange are sealed through a sealing steel ring.
The utility model has the beneficial effects that:
1. according to the utility model, the energy storage chamber and the pulse generating mechanism are arranged in the wellhead, so that the occupation of ground space is effectively reduced, and the installation process of equipment is simplified.
2. The utility model abandons the reversing valve adopted in the prior art, designs a new pulse generating mechanism, has simple structure and reliable work, generates high pulse strength and can generate better well cementation effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a view showing the fitting structure of a slide on the driven body and an anti-rotation pin on the cylinder body.
In the figure: 1-a threaded press cap, 2-a power supply cable, 3-a barrel, 4-a motor, 5-a rotary table, 6-a driven body, 7-a spring, 8-a water nozzle, 9-a valve seat, 10-a valve core, 11-an upper flange, 12-an air inlet, 13-a sealing steel ring, 14-a lower flange, 15-an energy storage chamber, 16-a connecting rod, 17-a through hole, 18-a rubber sleeve, 19-a slideway and 20-an anti-rotation pin.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
the automatic water supply device comprises an upper flange 11, a lower flange 14, a barrel 3, a motor 4, a rotary table 5, a driven body 6, a connecting rod 16, a valve core 10, a valve seat 9 and a water nozzle 8, wherein the upper flange 11 is welded at the upper end of the barrel 3, the lower flange 14 is sleeved on the outer side of the barrel 3, the motor 4 is installed at the bottom of the inner side of the barrel 3, an output shaft of the motor 4 is located at the upper side of the motor 4, the rotary table 5 is fixedly connected to the output shaft of the motor 4, the driven body 6 is arranged above the rotary table 5, a slide way 19 (shown by a dotted line in fig. 1) along the axial direction is arranged on a cylindrical surface at the outer side of the driven body 6, an anti-rotation pin 20 corresponding to the slide way is installed on the barrel 3, the tail end of the anti-rotation pin 20 is inserted into the slide way 19, the anti-rotation pin 20 is matched with the slide way 19, so that the driven body 6 can be prevented from rotating on one hand, and on the other hand, the driven body 6 can freely slide along the axial direction.
The edge of the upper side face of the rotary table 5 and the edge of the lower side face of the driven body 6 are respectively provided with an annular continuous cam structure which is matched with each other, the lower end of the connecting rod 16 is fixedly connected with the driven body 6, the upper end of the connecting rod 16 is fixedly connected with the valve core 10, the valve core 9 is inserted into the cylinder body 3, the valve core 10 is positioned above the valve seat 9, the valve core 10 and the valve seat 9 are provided with a pair of conical surfaces which are matched with each other and play a role in sealing, a spring 7 is arranged between the bottom of the valve seat 9 and the driven body 6, and the driven body 6 always keeps a moving trend of approaching the rotary table 5 under the elastic force of the spring 7;
threaded holes with the same size are formed in the side walls of the valve seat 9 and the barrel 3, a water nozzle 8 is installed in each threaded hole, and a through hole 17 is formed in the center of the water nozzle 8;
the center of the upper flange 11 is provided with an air inlet 12 for connecting an air pump;
an energy storage chamber 15 is arranged at the upper part of the inner space of the cylinder 3;
the motor 4 is connected with a power supply cable 2, the power supply cable 2 penetrates out of the bottom of the barrel 3 and extends out of the well through a threading hole in the side face of the lower flange 14.
According to the utility model, the energy storage chamber 15 and the pulse generating mechanism are arranged in the wellhead, so that the occupation of ground space is effectively reduced, and the installation process of equipment is simplified. In addition, the utility model abandons the reversing valve adopted in the prior art, and designs a new pulse generating mechanism, the mechanism has simple structure and reliable work, the generated pulse has high intensity, and better well cementation effect can be generated.
During installation, the cylinder is inserted into a wellhead casing, the upper flange 11 and the lower flange 14 are connected to the wellhead flange through bolts, and then the air inlet 12 is connected with an air outlet on an air pump through a high-pressure hose to complete installation.
When the pressure-reducing valve is used, pressure is pressed into the energy storage chamber 15, so that the pressure is stored in the energy storage chamber 15, when the rotary disc 5 is driven by the motor 4 to rotate, the driven part 6 is driven by the annular continuous cam structure to reciprocate up and down, and the valve core is switched between two states of opening and closing frequently, so that pressure pulses are generated.
As a further technical solution, the power supply cable 2 is sealed by a cable sealing assembly on the lower flange 14 and at the bottom of the cylinder 3, as shown in fig. 2, the cable sealing assembly includes a threaded pressing cap 1 and a rubber sleeve 18, and after the threaded pressing cap 1 presses the rubber sleeve 18 tightly, the rubber sleeve 18 is attached to the outer wall of the power supply cable 2 inward, thereby realizing the sealing of the power supply cable 2.
As a further technical solution, the upper flange 11 and the lower flange 14 are sealed by a sealing steel ring 13, and the sealing steel ring 13 is a sealing structure commonly used at a wellhead flange and is not described herein again.
Claims (3)
1. A well head vibration cementing equipment which characterized in that: the automatic water-saving device comprises an upper flange (11), a lower flange (14), a barrel (3), a motor (4), a rotary table (5), a driven body (6), a connecting rod (16), a valve core (10), a valve seat (9) and a water nozzle (8), wherein the upper flange (11) is welded at the upper end of the barrel (3), the lower flange (14) is sleeved on the outer side of the barrel (3), the motor (4) is installed at the bottom of the inner side of the barrel (3), an output shaft of the motor (4) is positioned on the upper side of the motor (4), the rotary table (5) is fixedly connected onto the output shaft of the motor (4), the driven body (6) is arranged above the rotary table (5), an axial slide way is arranged on the cylindrical surface of the outer side of the driven body (6), an anti-rotating pin corresponding to the slide way is installed on the barrel (3), the tail end of the anti-rotating pin is inserted into the slide way, and annular continuous cam structures which are matched with each other are respectively arranged on the edge of the upper side surface of the rotary table (5) and the lower side of the driven body (6), the lower end of the connecting rod (16) is fixedly connected with the driven body (6), the upper end of the connecting rod (16) is fixedly connected with the valve core (10), the valve seat (9) is inserted into the barrel body (3), the valve core (10) is positioned above the valve seat (9), a pair of conical surfaces which are matched with each other and have a sealing effect are arranged on the valve core (10) and the valve seat (9), a spring (7) is arranged between the bottom of the valve seat (9) and the driven body (6), and the driven body (6) always keeps a moving trend of approaching the rotary table (5) under the elastic force action of the spring (7);
threaded holes with the same size are formed in the side walls of the valve seat (9) and the barrel body (3), a water nozzle (8) is installed in each threaded hole, and a through hole (17) is formed in the center of each water nozzle (8);
an air inlet (12) for connecting an air pump is arranged in the center of the upper flange (11);
an energy storage chamber (15) is arranged at the upper part of the inner space of the cylinder body (3);
the motor (4) is connected with a power supply cable (2), the power supply cable (2) penetrates out from the bottom of the cylinder body (3) and extends out of the well through a threading hole in the side face of the lower flange (14).
2. A wellhead vibration cementing equipment according to claim 1, characterized in that: on the lower flange (14) and at the bottom of the cylinder (3), the power supply cable (2) is sealed by a cable sealing assembly.
3. A wellhead vibration cementing equipment according to claim 1, characterized in that: the upper flange (11) and the lower flange (14) are sealed through a sealing steel ring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120883631.8U CN215444014U (en) | 2021-04-27 | 2021-04-27 | Well head vibration well cementation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120883631.8U CN215444014U (en) | 2021-04-27 | 2021-04-27 | Well head vibration well cementation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215444014U true CN215444014U (en) | 2022-01-07 |
Family
ID=79705810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120883631.8U Active CN215444014U (en) | 2021-04-27 | 2021-04-27 | Well head vibration well cementation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215444014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961565A (en) * | 2022-06-07 | 2022-08-30 | 中国农业大学 | Surface casing running and vibrating well cementation method and test device thereof |
-
2021
- 2021-04-27 CN CN202120883631.8U patent/CN215444014U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961565A (en) * | 2022-06-07 | 2022-08-30 | 中国农业大学 | Surface casing running and vibrating well cementation method and test device thereof |
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