CN212079276U - Horizontal screw pump pressure boost water injection system - Google Patents
Horizontal screw pump pressure boost water injection system Download PDFInfo
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- CN212079276U CN212079276U CN202020438568.2U CN202020438568U CN212079276U CN 212079276 U CN212079276 U CN 212079276U CN 202020438568 U CN202020438568 U CN 202020438568U CN 212079276 U CN212079276 U CN 212079276U
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- screw pump
- water injection
- injection system
- protector
- horizontal screw
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Abstract
The utility model relates to an oil field water injection system technical field especially relates to a screw pump booster water injection system of horizontal screw pump booster water injection system can not be simultaneously to a plurality of well heads booster water injections, horizontal screw pump booster water injection system, including PMSM, protector, shaft coupling, screw pump, PMSM and coupling joint, the shaft coupling other end be connected with the screw pump, PMSM, shaft coupling and screw pump transverse connection set up, the water pipe is connected to the screw pump, many distributive pipes are drawn forth to vertical direction to water pipe transverse extension, each the distributive pipe is linked together with a plurality of well heads respectively, has fine development prospect in oil field water injection system technical field to the water injection of multiwell mouth simultaneously.
Description
Technical Field
The utility model relates to an oil field water injection system technical field especially relates to horizontal screw pump pressure boost water injection system.
Background
After the development of an oil field, along with the continuous exploitation of oil and natural gas in a reservoir, the reservoir pressure continuously decreases along with the increase of development time, in order to improve the crude oil recovery efficiency, energy is supplemented to an oil layer by adopting a water injection mode, and the effect of a water injection system of the oil field in increasing and stabilizing yield is more and more prominent. However, the water injection in the oil field needs to be injected after being pressurized by a water injection station, but the actual well conditions are different, the phenomenon that the pressure is not enough and the water injection cannot be performed frequently occurs in part of wells or well groups, and the problem of accurate water injection and higher pressure water injection needs to be solved through a pressurization mode.
Chinese utility model patent CN 102287370 a discloses a screw pump pressure boost water injection system, the vertical setting of this screw pump pressure boost water injection system, consequently, a screw pump pressure boost water injection system can only connect single well head, and because vertical screw pump pressure boost water injection system need go deep into well head department, consequently, the volume size restriction to the screw pump is rather many, and is with high costs, has the limitation, consequently needs can satisfy the water injection system of many well heads simultaneously.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a horizontal screw pump pressure boost water injection system solves current vertical screw pump pressure boost water injection system, and a problem that can not be simultaneously to a plurality of well head pressure boost water injections.
The technical scheme is that the horizontal screw pump pressurizing water injection system comprises a permanent magnet synchronous motor, a protector, a coupler and a screw pump, wherein the permanent magnet synchronous motor is driven to realize low-rotating-speed and high-torque output, a motor rotor is not subjected to induced current excitation, the power factor of the motor rotor reaches over 0.9, so that the quality factor of a power grid is improved, compensation equipment in the corresponding power grid is reduced and cancelled, the investment cost is reduced, the structure of the power grid is simplified, an output shaft of the permanent magnet synchronous motor is connected with the protector, the other end of the protector is connected with the coupler, one end, far away from the protector, of the coupler is connected with the screw pump, the operating speed adjusting range of the screw pump is wide, the pressure and the discharge capacity of the outlet of the screw pump can change along with the rotating speed, the permanent magnet synchronous motor, the protector, the coupler and the screw pump are, and each water distribution pipe is respectively communicated with a plurality of well mouths, so that high-pressure water injection to the plurality of well mouths is realized at the same time.
Furthermore, the coupler adopts a universal joint type coupler, the vertical screw pump supercharging water injection system only can use one shaft type due to the structural design, the horizontal screw pump supercharging water injection system can occupy larger space for parts, and the universal joint type coupler not only can reduce the cost, but also can connect the concentric operation of the motor and the eccentric operation of the screw pump to transmit torque.
Furthermore, the screw pump supercharging and water injection system comprises a control cabinet, the permanent magnet synchronous motor is electrically connected with a controller in the control cabinet, and the controller in the control cabinet realizes three closed-loop control of current feedback, speed feedback and position feedback of the permanent magnet synchronous motor, so that the speed and the torque of the motor are accurately controlled.
Furthermore, a GPRS remote control module is arranged on a controller of the control cabinet, underground pressure and motor operation data can be transmitted to a master control room, real-time monitoring and control are achieved, and the whole water injection link can be orderly carried out without field operation.
The technical effect of the utility model is that, the pump import does not need the reducing pressure, can be that high pressure comes water, and the pressure boost once more through the screw pump obtains the water of higher pressure, relay formula pressure boost water injection promptly. And through the water pipe reposition of redundant personnel that is connected with the screw pump that transversely sets up, realize simultaneously to the water injection of multiple-port well, horizontal screw pump pressure boost water injection system is because need not stretch to in the pit, and can not cause great pressure to certain spare part, can use the great, the great part of volume of quality to connect, selects the spare part that the cost is lower, and the outside heat dissipation of level, and the inside heat of device is unlikely to too high influence work piece normal operating.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
1. The system comprises a control cabinet, 2 parts of a permanent magnet synchronous motor, 3 parts of a coupler, 4 parts of a screw pump, 5 parts of a water pipe, 6 parts of a water distribution pipe, 7 parts of a protector, 8 parts of a wellhead and 9 parts of a well site water distribution room.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows: as shown in figure 1, the horizontal screw pump pressurizing and water injecting system comprises a permanent magnet synchronous motor 2, a protector 7, a coupler 3 and a screw pump 4, wherein the permanent magnet synchronous motor 2 is driven to realize low-rotating-speed and high-torque output, a motor rotor is free of induced current excitation, the power factor of the motor rotor reaches over 0.9, so that the quality factor of a power grid is improved, compensation equipment in the corresponding power grid is reduced and cancelled, the investment cost is reduced, the structure of the power grid is simplified, an output shaft of the permanent magnet synchronous motor 2 is connected with the protector 7, the other end of the protector 7 is connected with the coupler 3, one end of the coupler, which is far away from the protector 7, is connected with the screw pump 4, the operating speed adjusting range of the screw pump 4 is wide, the pressure and the discharge capacity of the outlet of the screw pump can change along with the rotating speed, the screw pump 4 is connected with a water pipe 5, the water pipe 5 extends to a well site water distribution room 9, a plurality of water distribution pipes 6 are led out through the well site water distribution room 9, each water distribution pipe 6 is respectively communicated with different well heads 8, high-pressure water injection to the plurality of well heads 8 is realized through a set of system after water coming from the well site is subjected to relay pressurization, valves for controlling water flow switches are respectively arranged between each water distribution pipe 6 and the well heads 8 which are communicated, and the well heads for water injection are selected according to actual requirements.
Example two: on the basis of the embodiment, the coupler 3 adopts a universal joint type coupler, the vertical screw pump supercharging and water injection system only can use one shaft type due to the structural design, the horizontal screw pump supercharging and water injection system can occupy larger space for parts, the universal joint type coupler is adopted, the cost can be reduced, the concentric operation of a motor and the eccentric operation of a screw pump can be connected to transmit torque, the screw pump supercharging and water injection system comprises a control cabinet 1, a permanent magnet synchronous motor is electrically connected with a controller in the control cabinet, the controller in the control cabinet 1 realizes three closed-loop control of current feedback, speed feedback and position feedback of the permanent magnet synchronous motor 2 to accurately control the speed and the torque of the motor, the controller of the control cabinet 1 is provided with a GPRS remote control module to transmit underground pressure and motor operation data to a master control room, real-time monitoring and control are realized, and the ordered operation of the whole water injection link can be realized without field operation.
The technical effect of the utility model is that, the pump import does not need the reducing pressure, can be that high pressure comes water, and the pressure boost once more through the screw pump obtains the water of higher pressure, relay formula pressure boost water injection promptly. And through the water pipe reposition of redundant personnel that is connected with the screw pump that transversely sets up, realize simultaneously to the water injection of multiple-port well, horizontal screw pump pressure boost water injection system is because need not stretch to in the pit, and can not cause great pressure to certain spare part, can use the great, the great part of volume of quality to connect, selects the spare part that the cost is lower, and the outside heat dissipation of level, and the inside heat of device is unlikely to too high influence work piece normal operating.
The present invention has been described in detail with reference to the specific embodiments and examples, but these should not be construed as limitations of the present invention. Numerous variations and modifications can be made by those skilled in the art without departing from the principles of the invention, which should also be considered as within the scope of the invention.
Claims (4)
1. Horizontal screw pump pressure boost water injection system, including permanent magnet synchronous motor (2), protector (7), shaft coupling (3), screw pump (4), its characterized in that, the output shaft and the protector (7) of permanent magnet synchronous motor (2) are connected, shaft coupling (3) are connected to protector (7) other end, the shaft coupling keep away from the one end of protector (7) and be connected with screw pump (4), permanent magnet synchronous motor (2), protector (7), shaft coupling (3) and screw pump (4) transverse connection set up, water pipe (5) are connected in screw pump (4), water pipe (5) transverse extension draws many distributive pipes (6) in to vertical direction, each distributive pipe (6) are linked together with a plurality of wellheads respectively.
2. The horizontal screw pump booster water injection system according to claim 1, wherein the coupling (3) is a universal joint type coupling.
3. The horizontal screw pump booster water injection system of claim 1, wherein the screw pump booster water injection system comprises a control cabinet (1), and the permanent magnet synchronous motor is electrically connected with a controller in the control cabinet.
4. The horizontal screw pump booster water injection system according to claim 3, wherein a GPRS remote control module is equipped on a controller of the control cabinet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020438568.2U CN212079276U (en) | 2020-03-31 | 2020-03-31 | Horizontal screw pump pressure boost water injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020438568.2U CN212079276U (en) | 2020-03-31 | 2020-03-31 | Horizontal screw pump pressure boost water injection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212079276U true CN212079276U (en) | 2020-12-04 |
Family
ID=73564313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020438568.2U Expired - Fee Related CN212079276U (en) | 2020-03-31 | 2020-03-31 | Horizontal screw pump pressure boost water injection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212079276U (en) |
-
2020
- 2020-03-31 CN CN202020438568.2U patent/CN212079276U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201204 |
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| CF01 | Termination of patent right due to non-payment of annual fee |