CN211201864U - Oil gas well profile control water shutoff injection device - Google Patents
Oil gas well profile control water shutoff injection device Download PDFInfo
- Publication number
- CN211201864U CN211201864U CN201921474150.0U CN201921474150U CN211201864U CN 211201864 U CN211201864 U CN 211201864U CN 201921474150 U CN201921474150 U CN 201921474150U CN 211201864 U CN211201864 U CN 211201864U
- Authority
- CN
- China
- Prior art keywords
- water
- gas well
- preparation
- injection device
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The embodiment of the utility model provides an oil gas well profile control water shutoff injection device, the device include that the distribution system passes through first pipeline and prepares the system intercommunication, and stifled agent supply system passes through second pipeline and prepares the system intercommunication, and the preparation system passes through third pipeline and production tree intercommunication; the preparation system is used for storing water and the plugging agent so as to mix the water and the plugging agent into a premixed liquid; through setting up the system of preparing that communicates with distribution system, stifled agent feed system, production tree respectively for store water and stifled agent, mix in the system of preparing to realize water and stifled agent and form the premix liquid, water and stifled agent just mix abundant, even before pouring into the oil gas well, avoided because of water and the stifled agent misce bene to lead to stifled agent shutoff effect not good.
Description
Technical Field
The embodiment of the utility model provides an oil development technical field especially relates to an oil gas well profile control water shutoff injection device.
Background
In oil and gas exploitation, along with the production of an oil and gas well, the water injection amount is gradually increased, the water surface is gradually lifted, and the high-seepage channel starts to break through, so that the oil and gas well is gradually flooded, and the oil and gas production capacity of the oil and gas well is reduced. In order to further increase the recovery efficiency of oil and gas wells, it is often necessary to profile and block water from the oil and gas wells to reduce the water production from the wells.
Among the prior art, often inject water and shutoff agent into oil pipe through profile control water shutoff injection device, profile control water shutoff injection device includes: the device comprises water supply equipment, plugging agent supply equipment and a conveying pipeline, wherein the water supply equipment and the plugging agent supply equipment are communicated with an oil pipe through the conveying pipeline; during operation, water supply equipment injects water into oil pipe through the conveyer pipe, and simultaneously stifled agent supply equipment injects the stifled agent into oil pipe through pipeline, and stifled agent and water flow downwards along oil pipe, and then the shutoff breakthrough position to avoid the oil well to produce water.
However, water and plugging agent are injected into the oil pipe through the delivery pipe, which easily causes uneven mixing between the water and the plugging agent, and further causes poor plugging effect of the plugging agent.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an in provide an oil gas well profile control water shutoff injection device for solve water and blocking agent through the pipeline injection into to oil pipe in, lead to mixing inequality between water and the blocking agent easily, and then lead to the not good technical problem of blocking effect of blocking agent.
The embodiment of the utility model provides a profile control and water shutoff injection device for an oil and gas well, which is characterized by comprising a water distribution system, a plugging agent supply system and a preparation system,
the preparation system is communicated with the preparation system through a first conveying pipeline, the plugging agent supply system is communicated with the preparation system through a second conveying pipeline, and the preparation system is communicated with the Christmas tree through a third conveying pipeline;
the preparation system is used for storing water and the plugging agent so that the water and the plugging agent are mixed into the premixed liquid.
Furthermore, a first meter is arranged on the first conveying pipeline, and a second meter is arranged on the second conveying pipeline.
Furthermore, a first valve is further arranged on the first conveying pipeline, and a second valve is further arranged on the second conveying pipeline.
Further, the preparation system comprises a plurality of preparation tanks, each preparation tank is communicated with the water distribution system through one first conveying pipeline, each preparation tank is communicated with the plugging agent supply system through one second conveying pipeline, and each preparation tank is communicated with the Christmas tree through one third conveying pipeline; and a stop valve is arranged on the third conveying pipeline communicated with each preparation tank.
Further, a liquid level detection device is arranged in the preparation tank.
Furthermore, the water distribution system is communicated with the plugging agent supply system through a fourth conveying pipeline, and a third valve and a third meter are arranged on the fourth conveying pipeline.
Further, oil gas well profile control water shutoff injection device still includes delivery pump 5, the import of delivery pump 5 with third pipeline intercommunication, the export of delivery pump 5 through fifth pipeline with the production tree intercommunication, be equipped with fourth valve and fourth counter on the fifth pipeline.
Further, the oil and gas well profile control water shutoff injection device further comprises a filter, and the filter is arranged on the fifth conveying pipeline.
Further, a check valve is further arranged on the fifth delivery pipe, and the check valve only allows the premix liquid to flow to the Christmas tree along the fifth delivery pipe.
Further, the oil and gas well profile control water shutoff injection device further comprises a gas injection device, and the gas injection device is communicated with the fifth pipeline between the one-way valve and the Christmas tree.
The embodiment of the utility model provides an oil gas well profile control water shutoff injection device, water distribution system communicate with preparation system through first pipeline, stifled agent supply system communicates with preparation system through second pipeline, preparation system communicates with production tree through third pipeline; the preparation system is used for storing water and the plugging agent so as to mix the water and the plugging agent into a premixed liquid; through setting up the system of preparing that communicates with distribution system, stifled agent feed system, production tree respectively for store water and stifled agent, mix in the system of preparing to realize water and stifled agent and form the premix liquid, water and stifled agent just mix abundant, even before pouring into the oil gas well, avoided because of water and the stifled agent misce bene to lead to stifled agent shutoff effect not good.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic structural diagram i of an oil-gas well profile control water shutoff injection device provided by an embodiment of the utility model;
fig. 2 is a schematic structural diagram ii of the oil-gas well profile control water shutoff injection device provided by the embodiment of the present invention;
fig. 3 is a schematic structural diagram three of the oil-gas well profile control water shutoff injection device provided by the embodiment of the utility model;
fig. 4 is a schematic structural diagram of a profile control and water shutoff injection device for an oil and gas well, provided by the embodiment of the present invention;
fig. 5 is the embodiment of the utility model provides an oil gas well profile control water shutoff injection device's structural schematic diagram is five.
Reference numerals:
1: a water distribution system;
11: a first delivery conduit;
12: a first meter;
13: a first valve;
14: a fourth delivery conduit;
15: a third valve;
16: a third meter;
2: a plugging agent supply system;
21: a second delivery conduit;
22: a second meter;
23: a second valve;
3: preparing a system;
31: a third delivery conduit;
32: preparing a tank;
33: a stop valve;
34: a liquid level detection device;
4: a Christmas tree;
5: a delivery pump;
51: a fifth delivery conduit;
52: a fourth valve;
53: a fourth meter;
6: a filter;
7: a one-way valve.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Fig. 1 is a schematic structural diagram i of an oil-gas well profile control water shutoff injection device provided by an embodiment of the utility model; fig. 2 is a schematic structural diagram ii of the oil-gas well profile control water shutoff injection device provided by the embodiment of the present invention; fig. 3 is a schematic structural diagram three of the oil-gas well profile control water shutoff injection device provided by the embodiment of the utility model; fig. 4 is a schematic structural diagram of a profile control and water shutoff injection device for an oil and gas well, provided by the embodiment of the present invention; fig. 5 is the embodiment of the utility model provides an oil gas well profile control water shutoff injection device's structural schematic diagram is five. An oil and gas well profile control and water shutoff injection device according to an embodiment of the application is described below with reference to fig. 1. As shown in fig. 1, the present application provides a profile control water plugging injection device for an oil and gas well, the device comprises a water distribution system 1, a plugging agent supply system 2 and a preparation system 3, the water distribution system 1 is communicated with the preparation system 3 through a first conveying pipeline 11, the plugging agent supply system 2 is communicated with the preparation system 3 through a second conveying pipeline 21, and the preparation system 3 is communicated with a Christmas tree 4 through a third conveying pipeline 31; the dispensing system 3 is used to store water and plugging agent so that the water and plugging agent are mixed into a premix.
Specifically, the water distribution system 1 is communicated with the preparation system 3 through a first conveying pipeline 11, the plugging agent supply system 2 is communicated with the preparation system 3 through a second conveying pipeline 21, and the preparation system 3 is communicated with the Christmas tree 4 through a third conveying pipeline 31; it will be appreciated that the water distribution system 1 is capable of delivering water into the dispensing system 3 through the first delivery conduit 11, the rate and amount of water delivered by the water distribution system 1 to the dispensing system 3 can be adjusted and controlled, and the water distribution system 1 is capable of providing a sufficient amount of water for adequate mixing with the plugging agent; similarly, the plugging agent supply system 2 can deliver the plugging agent into the preparation system 3 through the second delivery pipe 21, and the delivery amount and the delivery speed of the plugging agent delivered to the preparation system 3 by the plugging agent supply system 2 can be adjusted and controlled; the preparation system 3 can convey the premixed liquid of the water and the plugging agent in the preparation system 3 to the Christmas tree 4 through a third pipeline, and then the premixed liquid is conveyed to the position for plugging the breakthrough in the oil well through the Christmas tree 4, so that the water production of the oil well is avoided.
Alternatively, the water distribution system may include a water storage device and a first power device, the water storage device is communicated with the input end of the first conveying pipeline 11 through the first power device, and the first power device is used for conveying water in the water storage device into the preparation system 3. Wherein, water storage device can be pond or water tank, and first power device can be water delivery pump.
Alternatively, the water distribution system 1 may be used to deliver cold water to the dispensing system 3 and also hot water to the dispensing system 3. When the water distribution system 1 is used to deliver hot water to the dosing system 3, the water distribution system 1 may further comprise a heating device for heating the water within the water distribution system 1 to enable delivery of hot water to the dosing system 3.
Alternatively, the plugging agent supply system 2 should have a power device capable of powering the delivery of the plugging agent; for example, the plugging agent supply system 2 may include a plugging agent storage device and a second power device, the plugging agent storage device is communicated with the input end of the second conveying pipeline 21 through the second power device, and the second power device is used for conveying the plugging agent in the plugging agent storage device to the water distribution system; wherein, the plugging agent storage device can be a storage tank or a storage tank, and the second power device can be a pump. Alternatively, the number of the plugging agent storage devices may be one, or a plurality of plugging agent storage devices may be provided.
Alternatively, the preparation system 3 is used for storing water and plugging agent, so that the water and the plugging agent are mixed into a premixed liquid, and it can be understood that the preparation system 3 should have a storage space for accommodating a certain amount of water and plugging agent, so as to meet the requirement of mixing the water and the plugging agent by stirring; for example, the preparation system 3 may further include a stirring mechanism and a driving motor, the stirring device has a stirring blade, the stirring device is in transmission connection with the driving motor to drive the stirring blade to rotate, and the stirring device is disposed in the plugging agent storage device and used for mixing water and the plugging agent; the water and the plugging agent in the preparation system 3 are mixed by stirring, so that the water and the plugging agent are mixed more uniformly and fully.
Optionally, the plugging agent may be a solid plugging agent, or may be a liquid plugging agent.
Optionally, the oil and gas well profile control water shutoff injection device further comprises a pressure gauge, wherein the pressure gauge is arranged on the first conveying pipeline 11, the second conveying pipeline 21 and the third conveying pipeline 31 and used for detecting the pressure conditions in the first conveying pipeline 11, the second conveying pipeline 21 and the third conveying pipeline 31 in real time, and the situation that the pressure is too high to damage each part forming the oil and gas well profile control water shutoff injection device is avoided, so that the integral safe operation of the oil and gas well profile control water shutoff injection device is ensured.
Optionally, the oil and gas well profile control water shutoff injection device may further include an automatic control system, a control program is preset in the automatic control system, the control program is set according to the preparation requirements of water and the plugging agent, the automatic control system is connected with the water distribution system 1, the plugging agent supply system 2 and the preparation system 3 and controls the operation of the water distribution system 1 and the plugging agent supply system 2, the automatic control system may respectively control the water distribution system 1 and the plugging agent supply system 2 to deliver a predetermined proportion and a predetermined amount of water and the plugging agent to the preparation system 3 according to the preparation requirements of the water and the plugging agent, so as to realize automatic proportional mixing of the water and the plugging agent, and may further realize automatic stirring and mixing in the preparation system 3 by controlling the stirring time and the standing time of the preparation system 3, so as to.
Optionally, a packer can be further arranged between the casing pipe and the oil pipe in the oil-gas well, so that water and a plugging agent can be prevented from entering the casing pipe above the packer, the pressure in the casing pipe is too large, and the casing pipe is prevented from being damaged.
Alternatively, as shown in fig. 5, the christmas tree may be a dual-wing christmas tree, and the preparation system 3 may be in communication with one of the production wings of the christmas tree 4 via a third delivery conduit 31, and the other production wing of the christmas tree 4 may be adapted to be in communication with the delivery conduit; the tree 4 can be used for normal production operations without the need to inject a pre-mix of water and plugging agent into the oil and gas well.
The oil gas well profile control water shutoff injection device that this embodiment provided is when operation, water distribution system 1 carries water to preparing in the system 3 through first pipeline 11, simultaneously, stifled agent feed system 2 carries stifled agent to preparing in the system 3 through second pipeline 21, water and stifled agent mix in preparing the system 3 and form premixed liquid, later, prepare system 3 with the misce bene, abundant premixed liquid carries to production tree 4 through third pipeline 31, get into in the oil gas well through production tree 4 again for the shutoff breaks through the position.
According to the profile control water plugging injection device for the oil and gas well, the communication between the water distribution system 1 and the preparation system 3 is realized through the first conveying pipeline 11, the communication between the plugging agent supply system 2 and the preparation system 3 is realized through the second conveying pipeline 21, and the communication between the preparation system 3 and the Christmas tree 4 is realized through the third conveying pipeline 31; through setting up the preparation system 3 that communicates with distribution system 1, stifled agent feed system 2, production tree 4 respectively for store water and stifled agent, mix in order to form the premix liquid in order to realize water and stifled agent in preparation system 3, water and stifled agent just mix abundant, even before pouring into the oil gas well, avoided because of water and the stifled agent misce bene stifled agent shutoff effect that leads to.
Further, as shown in fig. 2, a first meter 12 is provided on the first conveying pipe 11, and a second meter 22 is provided on the second conveying pipe 21.
In particular, the first meter 12 is used to meter the flow rate of water in the first delivery duct 11; the second metering device 22 is used to meter the flow of plugging agent in the second delivery conduit 21 to facilitate accurate control of the amount of water and plugging agent input into the dispensing system.
Alternatively, the first metering device 12 and the second metering device 22 may be various ones, and it is sufficient that the water flowing through the first conveying pipe 11 and the plugging agent flowing through the second conveying pipe 21 can be metered. For example, when the plugging agent flowing through the second delivery pipe 21 is in a liquid state, the first meter 12 and the second meter 22 may be a differential pressure type flow meter, a turbine flow meter, or an electromagnetic flow meter.
The oil gas well profile control water shutoff injection device that this embodiment provided, through be equipped with first counter 12 on first pipeline 11 and be equipped with second counter 22 on second pipeline 21, can accurate measurement the flow of the interior water of first pipeline 11 and the flow of stifled agent in the second pipeline 21, just also can accurate measurement to the volume of input water and stifled agent in preparing system 3.
Further, as shown in fig. 2, the first delivery pipe 11 is further provided with a first valve 13, and the second delivery pipe 21 is further provided with a second valve 23.
Specifically, the first valve 13 and the second valve 23; specifically, the first valve 13 and the second valve 23 may be solenoid valves, and an automatic control system is connected to the first valve 13 and the second valve 23 and controls the opening and closing thereof, instead of manual operation.
Alternatively, the first valve 13 and the second valve 23 may be flow control valves, and the flow control valves may be capable of controlling the flow of water and plugging agent by adjusting the opening degree of the valves in addition to the two switch states of opening and closing. That is, the first valve 13 can be used for controlling the adjustment of the flow rate of the water in the first delivery pipe 11 according to the sensed data of the first gauge 12 by controlling the degree of opening of the valve; the second valve 23 can control the opening degree of the valve, and is used for controlling the flow rate of the plugging agent in the second delivery pipe 21 according to the detection data of the second metering device 22, so that the water and plugging agent can be accurately metered into the preparation system 3, and the mixing ratio of the water and the plugging agent can be controlled.
Alternatively, the mounting positions of the first meter 12 and the first valve 13 on the first delivery pipe 11 are not particularly limited, that is, the mounting sequence of the first meter 12 and the first valve 13 on the first delivery pipe 11 in the flowing direction of the water in the pipe is not particularly limited, and the positions of the first meter 12 and the first valve 13 may be interchanged without affecting the functions to be performed by each; likewise, the installation positions of the second meter 22 and the second valve 23 on the second delivery pipe 21 are not particularly limited.
According to the profile control water plugging injection device for the oil and gas well, the arrangement of the first valve 13 and the second valve 23 can effectively control whether water and plugging agents are conveyed to the preparation system 3, and the flow of the conveyed water and the plugging agents can be controlled by adjusting the opening degree of the valves; the flow of the conveying water and the plugging agent is controlled through the first valve 13 and the second valve 23, so that the operation of workers is facilitated, and the control is accurate.
Further, as shown in fig. 2, the preparation system 3 includes a plurality of preparation tanks 32, each preparation tank 32 is communicated with the water distribution system 1 through a first delivery pipe 11, each preparation tank 32 is communicated with the plugging agent supply system 2 through a second delivery pipe 21, and each preparation tank 32 is communicated with the christmas tree 4 through a third delivery pipe 31; and a shut-off valve 33 is provided on the third delivery pipe 31 communicating with each of the preparation tanks 32.
Specifically, the preparation system 3 includes a plurality of preparation tanks 32, and a stop valve 33 is disposed on a third delivery pipe 31 communicated with each preparation tank 32, and it can be understood that each preparation tank 32 is connected with the christmas tree 4 through a stop valve 33 disposed corresponding to each preparation tank 32, and the plurality of preparation tanks 32 can respectively and independently operate, and can also operate synchronously.
When the plurality of preparation tanks 32 respectively and independently operate, the plurality of preparation tanks 32 can be respectively used for storing different types of plugging agents and water or used for storing the plugging agents and the water with different mixing proportions by only allowing one stop valve 33 to be opened once, so that the water and the plugging agents in the preparation tanks 32 are mixed to form different premixed liquids; because a plurality of preparation jars 32 can independently operate respectively, according to the mixed needs of stifled agent and water, when water and stifled agent need stir the mixture or need to stand in a preparation jar 32, can independently go on, do not influence other preparation jars 32 and carry out other operations.
When the plurality of preparation tanks 32 operate synchronously, the plurality of preparation tanks 32 can be respectively communicated by simultaneously opening the plurality of stop valves 33, so that the synchronous operation is realized; the number of the preparation tanks 32 to be operated can be selected according to the total amount of the premixed liquid of the required plugging agent and the water, so that the resource waste caused by excessive operation of the preparation tanks 32 is avoided.
Optionally, the material of preparing jar 32 can have the multiple, prepares jar 32 can be the metal material, prepares jar 32 also can be non-metallic material, and different materials can also be chooseed for use to prepare jar 32 and make to make and prepare system 3 can be applicable to the stifled agent of storing different compositions.
Alternatively, the shape of the formulation tank 32 may be varied; for example, the preparation tank 32 may be spherical, cylindrical, or prismatic.
The oil gas well profile control water shutoff injection device that this embodiment provided, through setting up a plurality of preparation jar 32 respectively with water distribution system 1, stifled agent supply system 2, christmas tree 4 is connected, and through the stop valve 33 that sets up with every preparation jar 32 corresponds, be used for controlling this preparation jar 32 whether with water distribution system 1, stifled agent supply system 2, christmas tree 4 intercommunication, make a plurality of preparation jar 32 can independent operation respectively, also can realize synchronous operation, the suitability and the work efficiency of oil gas well profile control water shutoff injection device have been improved.
Further, as shown in fig. 4, a liquid level detecting device 34 is provided in the preparation tank 32.
Specifically, the liquid level detection device 34 is disposed in the preparation tank 32 for detecting the liquid level height in the preparation tank 32, that is, the liquid level detection device 34 is disposed in each preparation tank 32; the preparation tank 32 generally has a certain capacity, and when the rated capacity of the preparation tank 32 is exceeded, the preparation tank 32 is easily damaged, and the liquid level detection device 34 is arranged in the preparation tank 32, so that the liquid level condition in the preparation tank 32 can be detected in real time, and the excessive injection of water and plugging agents in the preparation tank 32 is avoided.
Alternatively, the liquid level detection device 34 may be various, for example, the liquid level detection device 34 may be a magnetic float type liquid level meter, a pressure type liquid level meter or a drop type liquid level meter.
Alternatively, the liquid level detecting device 34 may be a liquid level detector with an automatic alarm function, and when the injection amount of water and plugging agent in the preparation tank 32 reaches a preset value, the automatic detection alarm actively sends out an early warning prompt to remind the staff to close the water distribution system 1 and the plugging agent supply system to stop injecting water and plugging agent into the preparation tank 32.
The oil gas well profile control water shutoff injection device that this embodiment provided is through the liquid level condition in the liquid level detection device 34 real time monitoring preparation jar 32 in the preparation jar 32 to it is excessive with the injection of stifled agent to avoid preparing the interior water of jar 32, causes the wasting of resources, produces the potential safety hazard.
Further, as shown in fig. 3, the water distribution system 1 is also connected to the plugging agent supply system 2 through a fourth delivery pipe 14, and a third valve 15 and a third meter 16 are disposed on the fourth delivery pipe 14.
Specifically, the water distribution system 1 is further communicated with the plugging agent supply system 2 through a fourth conveying pipeline 14, and it can be understood that the water distribution system 1 can supply water into the plugging agent supply system 2 through the fourth conveying pipeline 14, so as to realize the preliminary mixing of the water and the plugging agent in the plugging agent supply system 2 to form a first premixed liquid; thereafter, the water distribution system 1 can deliver water to the preparation system 3, the plugging agent supply system 2 can deliver water to the preparation system 3 to deliver the first pre-mix, and the first pre-mix and the water are mixed again in the preparation system 3 to form the final desired pre-mix. When the plugging agent is a solid plugging agent, the first premixed liquid formed by preliminarily mixing the plugging agent and the water in the plugging agent supply system 2 is more convenient for the conveying process and the metering process to the preparation system 3 compared with the solid plugging agent by conveying the water into the plugging agent supply system 2; in addition, the plugging agent is mixed with water and then conveyed to the preparation system 3, so that the stirring time of the preparation system 3 can be shortened, and compared with a premixed liquid formed by mixing the plugging agent and the water once, the premixed liquid obtained by mixing the plugging agent and the water twice has the advantage that the water and the plugging agent are mixed more fully and uniformly.
Optionally, a third valve 15 and a third meter 16 are disposed on the fourth delivery pipe 14, and it is understood that the third meter 16 can precisely meter the flow of water in the fourth delivery pipe 14, and the flow rate of water in the fourth delivery pipe 14 can be adjusted by controlling the opening degree of the third valve 15, so as to achieve precise metering and control of the water supply speed and the water supply amount to the plugging agent supply system 2, and further achieve control of the concentration of the formed first premixed liquid.
The oil gas well profile control water shutoff injection device that this embodiment provided communicates water distribution system 1 and stifled agent feed system 2 through setting up fourth pipeline 14, can realize the first premix liquid that stifled agent and the preliminary mixing of water in stifled agent feed system 2 formed, later, first premix liquid mixes in preparing system 3 with water once more for the mixing of water and stifled agent is more abundant even.
Further, as shown in fig. 4, the oil and gas well profile control water shutoff injection device further includes a delivery pump 5, an inlet of the delivery pump 5 is communicated with the third delivery pipe 31, an outlet of the delivery pump 5 is communicated with the christmas tree 4 through a fifth delivery pipe 51, and the fifth delivery pipe 51 is provided with a fourth valve 52 and a fourth meter 53.
Specifically, the delivery pump 5 can output the premixed liquid in the preparation system 3, and the premixed liquid enters the oil-gas well through the fifth delivery pipeline 51 and the Christmas tree 4 to be used for plugging a breakthrough position; the fourth valve 52 and the fourth meter 53 disposed on the fifth delivery pipe 51 can be used to control and meter the flow rate of the water and the plugging agent premix in the fifth delivery pipe 51, respectively, the positions of the fourth valve 52 and the fourth meter 53 disposed on the fifth delivery pipe 51 are not particularly limited, and the fourth valve 52 and the fourth meter 53 can be disposed near the christmas tree 4 or near the delivery pump 5.
According to the profile control and water plugging injection device for the oil and gas well, the power of premixed liquid for conveying water and plugging agents into the oil and gas well can be ensured to be sufficient by arranging the conveying pump 5, so that the premixed liquid can accurately reach the oil and gas well and be used for plugging a breakthrough position; the fifth conveying pipeline 51 provided with the fourth valve 52 and the fourth meter 53 is connected with the conveying pump 5 and the Christmas tree 4, so that the flow rate of water and the plugging agent premixing liquid in the fifth conveying pipeline 51 can be accurately controlled, and further, the speed and the total amount of the premixing liquid conveyed into the oil and gas well can be accurately controlled.
Further, as shown in fig. 4, the oil and gas well profile control and water shutoff injection device further comprises a filter 6, and the filter 6 is arranged on the fifth conveying pipeline 51.
Specifically, the filter 6 may be configured to filter impurities in the premix liquid and the plugging agent that is not uniformly mixed with water, and the filter 6 is disposed on the fifth delivery pipe 51, so as to prevent the plugging agent that is not uniformly mixed with water and the impurities from entering the christmas tree 4; the filter 6 can also be arranged on a third channel between the preparation system 3 and the delivery pump 5, so that when the blocking agent which is not uniformly mixed with water and impurities enter the oil-gas well, the blocking agent which is not uniformly mixed with water and impurities enter the delivery pump 5 to cause blocking can be avoided.
The oil gas well profile control water shutoff injection device that this embodiment provided filters impurity in the premix liquid and the stifled agent of not mixing with water in the fifth pipeline 51 through setting up filter 6, can further avoid mixing stifled agent and impurity entering oil gas well not mixing with water misce bene, influences shutoff effect.
Further, as shown in fig. 4, a check valve 7 is further provided on the fifth delivery pipe 51, and the check valve 7 allows only the premix liquid to flow along the fifth delivery pipe 51 toward the christmas tree 4.
In particular, the check valve 7 only allows the premix liquid to flow along the fifth delivery conduit 51 towards the christmas tree 4, it being understood that the check valve 7 may be used to prevent the premix liquid of the fifth delivery conduit 51 from flowing back into the delivery pump 5 and the dispensing system 3, so as to avoid damage to the delivery pump 5 and the dispensing system 3; alternatively, the position of the check valve 7 on the fifth delivery pipe 51 is not particularly limited, and the check valve 7 may be disposed on the fifth delivery pipe 51 between the fourth valve 52 and the fourth meter 53, the check valve 7 may be disposed on the fifth delivery pipe 51 near the christmas tree 4, and the check valve 7 may be disposed on the fifth delivery pipe 51 near the delivery pump 5.
The oil gas well profile control water shutoff injection device that this embodiment provided is through setting up check valve 7 on fifth pipeline 51 for premix liquid only allows to flow to christmas tree 4 along fifth pipeline 51, has avoided premix liquid backward flow to get into delivery pump 5 and preparation system 3, has avoided causing the damage to delivery pump 5 and preparation system 3.
Further, the oil and gas well profile control water shutoff injection device further comprises a gas injection device, and the gas injection device is communicated with a fifth conveying pipeline 51 between the one-way valve 7 and the Christmas tree 4.
Specifically, the gas injection device can be used to gas injection in the oil gas well, and the fifth pipeline 51 intercommunication between gas injection device and check valve 7 and the production tree 4 can carry out gas-water co-injection to the oil gas well, when can realizing the position of breaching in the shutoff oil gas well, can also increase oil gas well internal pressure, has improved the recovery ratio of oil gas well.
When the oil and gas well profile control water plugging injection device provided by the embodiment is in operation, firstly, the water distribution system 1 conveys water into the plugging agent supply system 2 through the fourth conveying pipeline 14, the fourth conveying pipeline 14 is provided with the third gauge 16 and the third valve 15 to accurately gauge and control the speed of supplying water and the amount of supplying water to the plugging agent supply system 2, and the water and the plugging agent are preliminarily mixed in the plugging agent supply system 2 to form a first premixed liquid; then, the water distribution system 1 conveys water into a preparation tank 32 of the preparation system 3 through a first conveying pipeline 11, a first meter 12 and a first valve 13 are arranged on the first conveying pipeline 11 to accurately meter and control the speed of supplying water and the amount of supplying water to the preparation tank 32, a plugging agent supply system 2 conveys a first premixed liquid into the preparation tank 32 of the preparation system 3 through a second conveying pipeline 21, a second meter 22 and a second valve 23 are arranged on the second conveying pipeline 21 to accurately meter and control the conveying speed and the conveying amount of the first premixed liquid conveyed to the preparation tank 32, and when the water and the plugging agent in the preparation tank 32 reach the rated capacity of the preparation tank 32, a liquid level detector with an automatic alarm function is used for automatically detecting and actively sending out an early warning prompt to remind a worker to close the water distribution system 1 and the plugging agent supply system and stop injecting water and the plugging agent into the preparation tank 32; then, the water and the first premix are mixed again in the preparation system 3 to form the final required premix; the preparation system 3 outputs the premixed liquid which is uniformly and fully mixed through the third conveying pipeline 31, the premixed liquid enters the fifth conveying pipeline 51 after being filtered by the filter 6 under the action of the conveying pump 5, the fourth valve 52 and the fourth meter 53 which are arranged on the fifth conveying pipeline 51 accurately meter and control the conveying speed and the conveying flow of the premixed liquid to the Christmas tree, and the check valve 7 limits that the premixed liquid in the fifth conveying pipeline 51 can only flow towards the Christmas tree 4; and finally, the premixed liquid enters the oil-gas well through the Christmas tree 4 and is used for plugging the breakthrough position.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "top", "bottom", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "axial", "circumferential", and the like, which are used to indicate the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, and do not indicate or imply that the position or element referred to must have a particular orientation, be of particular construction and operation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; either directly or indirectly through intervening media, such as through internal communication or through an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. The invention is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. A profile control and water shutoff injection device for an oil and gas well is characterized by comprising a water distribution system, a plugging agent supply system and a preparation system,
the preparation system is communicated with the preparation system through a first conveying pipeline, the plugging agent supply system is communicated with the preparation system through a second conveying pipeline, and the preparation system is communicated with the Christmas tree through a third conveying pipeline;
the preparation system is used for storing water and the plugging agent so that the water and the plugging agent are mixed into the premixed liquid.
2. An oil and gas well profile control water shutoff injection device as claimed in claim 1, wherein a first meter is arranged on the first conveying pipeline, and a second meter is arranged on the second conveying pipeline.
3. An oil and gas well profile control water shutoff injection device as claimed in claim 2, wherein said first delivery conduit is further provided with a first valve, and said second delivery conduit is further provided with a second valve.
4. An oil and gas well profile control water shutoff injection device as claimed in claim 1, wherein said preparation system comprises a plurality of preparation tanks, each of said preparation tanks being in communication with said water distribution system through one of said first delivery conduits, each of said preparation tanks being in communication with said shutoff agent supply system through one of said second delivery conduits, each of said preparation tanks being in communication with said christmas tree through one of said third delivery conduits; and a stop valve is arranged on the third conveying pipeline communicated with each preparation tank.
5. An oil and gas well profile control water shutoff injection device as claimed in claim 4, wherein a liquid level detection device is provided in the preparation tank.
6. An oil and gas well profile control and water shutoff injection device as claimed in any one of claims 1 to 5, wherein the water distribution system is further communicated with the shutoff agent supply system through a fourth delivery pipe, and a third valve and a third meter are arranged on the fourth delivery pipe.
7. An oil and gas well profile control and water shutoff injection device according to any one of claims 1-5, further comprising a delivery pump, wherein an inlet of the delivery pump is communicated with the third delivery pipe, an outlet of the delivery pump is communicated with the Christmas tree through a fifth delivery pipe, and a fourth valve and a fourth meter are arranged on the fifth delivery pipe.
8. An oil and gas well profile control water shutoff injection device as claimed in claim 7, further comprising a filter disposed on the fifth delivery conduit.
9. An oil and gas well profile control water shutoff injection device as claimed in claim 7, wherein a one-way valve is further provided on the fifth delivery conduit, the one-way valve only allowing the premix liquid to flow along the fifth delivery conduit to the Christmas tree.
10. An oil and gas well profile control water shutoff injection device as claimed in claim 9, further comprising a gas injection device, the gas injection device being in communication with the fifth delivery conduit between the check valve and the christmas tree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921474150.0U CN211201864U (en) | 2019-09-05 | 2019-09-05 | Oil gas well profile control water shutoff injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921474150.0U CN211201864U (en) | 2019-09-05 | 2019-09-05 | Oil gas well profile control water shutoff injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211201864U true CN211201864U (en) | 2020-08-07 |
Family
ID=71887357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921474150.0U Active CN211201864U (en) | 2019-09-05 | 2019-09-05 | Oil gas well profile control water shutoff injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211201864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114086904A (en) * | 2020-08-25 | 2022-02-25 | 中国石油天然气股份有限公司 | Christmas tree system |
-
2019
- 2019-09-05 CN CN201921474150.0U patent/CN211201864U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114086904A (en) * | 2020-08-25 | 2022-02-25 | 中国石油天然气股份有限公司 | Christmas tree system |
| CN114086904B (en) * | 2020-08-25 | 2023-10-31 | 中国石油天然气股份有限公司 | Christmas tree system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201458778U (en) | Skid-mounted integrated automatic dosing device | |
| CN103726821B (en) | Acidizing and fracturing fluid continuous mixture feeder | |
| CN101270650A (en) | Skid mounted polymer injection system for marine oil field | |
| CN211201864U (en) | Oil gas well profile control water shutoff injection device | |
| CN103962046A (en) | Automatic blending and controlling system of oil well binary composite modifying and flooding agent | |
| CN212882023U (en) | Environment-friendly dust suppressant preparation device | |
| CN104437229A (en) | Electric-driven liquid-powder continuous mixing device | |
| RU2362116C1 (en) | Machine for preparing of emulsion, emulsion explosive material and for charging boreholes with prepared emulsion explosive material | |
| CN212576114U (en) | Auxiliary agent stirring tank of setting machine | |
| CN202520318U (en) | Foam injection system of shield machine | |
| CN109306858B (en) | Polymer injection well online concentration device and method | |
| CN216149464U (en) | Emulsion mixing system | |
| CN204352834U (en) | Double pump proportion adjustable Automatic Mixing System of Emulsion | |
| CN202237826U (en) | Water mixing type polymer dispersing and dissolving device | |
| CN212548053U (en) | Gel fire extinguishing agent preparation facilities | |
| CN210021885U (en) | Automatic cutting fluid proportioning device | |
| CN103821493B (en) | The continuous mixture of acidizing and fracturing fluid is for delivery method | |
| CN207059049U (en) | A kind of polyurethane polyol automatic gauge mixing arrangement | |
| CN219437585U (en) | Automatic moisturizing and fertilizer supplementing plant planting device | |
| CN220696391U (en) | Solution preparing and filling device | |
| CN212900308U (en) | Low-pressure portable manifold device easy to clean | |
| CN208959810U (en) | Integrated medicine dissolving and adding device | |
| CN211988203U (en) | Automatic change agitated vessel | |
| CN212164195U (en) | Device is driped irrigation in liquid manure integration | |
| CN220882874U (en) | Split disc pulping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |