CN111911813B - Oil pipeline system and oil product treatment method in oil pipeline - Google Patents
Oil pipeline system and oil product treatment method in oil pipeline Download PDFInfo
- Publication number
- CN111911813B CN111911813B CN202010797881.XA CN202010797881A CN111911813B CN 111911813 B CN111911813 B CN 111911813B CN 202010797881 A CN202010797881 A CN 202010797881A CN 111911813 B CN111911813 B CN 111911813B
- Authority
- CN
- China
- Prior art keywords
- oil
- storage device
- pipe section
- pipeline
- oil storage
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/14—Conveying liquids or viscous products by pumping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/16—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/16—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity
- F17D1/18—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity by heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Pipeline Systems (AREA)
Abstract
The application provides an oil pipeline system and a method for treating oil products in the oil pipeline, wherein the system comprises an oil pipeline, an oil storage device and a control device for controlling the oil pipeline and the oil storage device to work; during the period that the oil transportation pipeline stops transporting, the control device controls oil products in two pipe sections connected at the low point of each pipe section to flow into the at least one oil storage device arranged below the low point of the pipe section, the at least one oil storage device is controlled to process the oil products in the pipe sections at two sides of the low point of the pipe section, and the oil products are transported back to the oil transportation pipeline before the oil transportation pipeline resumes transporting, so that the phenomenon that the oil products in the pipeline are solidified to generate pipe condensation due to the shutdown of the oil transportation pipeline is avoided, and the problems that the oil transportation pipeline is corroded, blocked and the like due to the deposits in the pipe sections in the oil transportation process are prevented.
Description
Technical Field
The application relates to the technical field of pipeline transportation, in particular to an oil pipeline system and a method for treating oil products in the oil pipeline.
Background
With the continuous development of economy, energy plays an increasingly important role in the economic development, the supply of the energy depends on an oil pipeline to a great extent, oil resources are conveyed to a required place through the oil pipeline, further, basic conditions are provided for the reasonable use of the resources, and a carrier guarantee is provided for safe transportation.
In the prior art, the starting point of an oil pipeline is called as a first station, and is used for collecting oil, and the oil is conveyed to the pipeline after being metered and pressurized, further conveyed to a last station of the oil pipeline, and then supplied to a user or transported in other manners.
However, in the above scheme, if the oil transportation pipeline is stopped suddenly and the oil transportation is stopped for a certain time, the oil in the pipeline may be gradually cooled and solidified, and even if the oil transportation pipeline resumes transportation, it is impossible to start the pipeline again to transport the oil, which may cause the solidification accident of the oil transportation pipeline; in addition, in the process of oil transportation of the oil pipeline, the oil pipeline is corroded, blocked and the like due to the fact that sediments are carried in oil products, and huge economic loss can be caused.
Disclosure of Invention
The application provides an oil pipeline system and a method for treating oil products in the oil pipeline, which aim to solve the problem of oil product solidification caused by the fact that the oil pipeline stops transportation under an emergency condition.
In a first aspect, an embodiment of the present application provides an oil pipeline system, including: the oil storage device comprises an oil pipeline, an oil storage device and a control device for controlling the oil pipeline and the oil storage device to work;
the oil pipeline comprises at least two pipe sections which are connected with each other, the at least two pipe sections extend in the horizontal direction and form at least one pipe section low point in the vertical direction, and at least one oil storage device is arranged below each pipe section low point;
the sum of the capacities of all the oil storage devices connected with the low point of each pipe section is more than or equal to the maximum pipe section capacity of the two pipe sections forming the low point of the pipe section;
the control device is used for controlling at least one oil storage device connected with the low point of each pipe section to process oil in the pipe sections on two sides of the low point of the pipe section during the period that the oil transportation pipeline stops transporting, so as to ensure that the oil in the oil transportation pipeline can be normally transported, and the processing comprises at least one of the following steps: anti-condensation treatment and anti-corrosion treatment.
In one possible design of the first aspect, the at least one pipe section low point is provided with a control switch; the control device is specifically configured to control, for each pipe section low point, to turn on a control switch provided at the pipe section low point during the period in which the oil transportation pipeline is stopped, so that oil in the at least one pipe section connected at the pipe section low point flows into the at least one oil storage device, and when oil is stored in the at least one oil storage device, control the at least one oil storage device to perform treatment on the oil, so as to ensure that the oil transportation pipeline is safe to operate, and the oil in the oil transportation pipeline can be normally transported.
In another possible design of the first aspect, the control device is specifically configured to:
during the period that the oil transportation pipeline stops transporting, aiming at the low point of each pipe section, controlling a control switch arranged at the low point of the pipe section to be in a first opening state in a first time period so as to enable a first pipe section connected with the low point of the pipe section to be communicated with at least one oil storage device connected with the low point of the pipe section, blocking a second pipe section connected with the low point of the pipe section from the at least one oil storage device, enabling oil in the first pipe section to flow into the at least one oil storage device, controlling the at least one oil storage device to perform treatment on the oil, and controlling a pump device arranged in the at least one oil storage device to pump the oil in the at least one oil storage device back to the first pipe section when the at least one oil storage device meets a preset condition;
in a second time period, controlling a control switch arranged at the low point of the pipe section to be in a second opening state so as to enable a second pipe section connected with the low point of the pipe section to be communicated with at least one oil storage device connected with the low point of the pipe section, blocking the first pipe section connected with the low point of the pipe section from the at least one oil storage device, enabling oil in the second pipe section to flow into the at least one oil storage device, controlling the at least one oil storage device to perform treatment on the oil, and controlling a pump device connected with the at least one oil storage device to pump the oil in the at least one oil storage device back to the second pipe section when the at least one oil storage device meets preset conditions;
and the total time length of the first time period and the second time period is greater than or equal to the oil product solidification time length and less than or equal to the oil pipeline transportation stop time length.
In a further possible design of the first aspect, the control device is specifically configured to:
during the period that the oil transportation pipeline stops transporting, controlling a control switch arranged at the low point of each pipe section to be in a third opening state aiming at the low point of each pipe section so as to enable the two pipe sections to be communicated with at least one oil storage device connected with the low point of each pipe section, enabling the oil in the two pipe sections to flow into the at least one oil storage device, controlling the at least one oil storage device to perform treatment on the oil, and controlling a pump device connected with the at least one oil storage device to pump the oil in the at least one oil storage device back to the two pipe sections respectively before determining that the oil transportation pipeline resumes operation;
the stop time of the oil pipeline is more than or equal to the solidification time of the oil product.
As an example, the pump apparatus is provided at an inlet and outlet of the oil storage device, which is provided at a lower portion of the oil storage device.
As another example, the bottom and/or lower portion of the at least one oil storage device each has a discharge port for discharging sediment in the oil storage device, the sediment including at least one of: water and sand.
As yet another example, the anti-condensation treatment includes at least one of: heating and stirring.
In yet another possible design of the first aspect, the oil storage device includes: heating equipment and stirring equipment;
the heating equipment is arranged at the bottom of the oil storage device and is used for heating oil products in the oil storage device;
the stirring equipment is arranged at the central position of the oil storage device and used for stirring oil products in the oil storage device.
As yet another example, the size and/or number of reservoirs provided at a low point of each pipe section is related to the size of the calibers and/or length of the two pipe sections connected at the low point of the pipe section.
In a second aspect, an embodiment of the present application provides a method for treating an oil product in an oil pipeline, which is applied to a control device in an oil pipeline system, where the oil pipeline system is the system described in each possible design of the first aspect, and the method for treating an oil product in an oil pipeline includes:
controlling oil in two pipe sections connected at a low point of each pipe section to flow into at least one oil storage device arranged below the low point of the pipe section during the period of stopping the oil transportation pipeline of the oil transportation pipeline system;
controlling the at least one oil storage device to treat oil in pipe sections on two sides of the low point of the pipe section so as to ensure that the oil in the oil pipeline can be normally transported, wherein the treatment comprises at least one of the following steps: anti-condensation treatment and anti-corrosion treatment.
The embodiment of the application provides an oil pipeline system and a method for treating oil in an oil pipeline, the oil in the oil pipeline can be treated through the cooperative work of the oil pipeline, an oil storage device and a control device for controlling the oil pipeline and the oil storage device, so that the oil can be normally transported in the oil pipeline, a connection mode of a pipeline section and the oil storage device in the oil pipeline and the arrangement of the oil storage device provide a foundation for treating the oil, the phenomenon that the oil is solidified due to the fact that the oil pipeline stops transporting under the sudden situation is effectively avoided, and the problems that the oil pipeline is corroded and blocked due to deposits in the pipeline section in the oil transportation process are solved.
Drawings
Fig. 1 is a schematic structural diagram of an oil pipeline system according to a first embodiment of the present application;
FIG. 2 is a schematic view of the structure of an oil pipeline in the embodiment shown in FIG. 1;
fig. 3 is a schematic structural diagram of a second oil pipeline system according to an embodiment of the present application;
FIG. 4 is a schematic structural diagram of the oil storage device in the embodiment shown in FIG. 1;
fig. 5 is a schematic structural diagram of a third oil pipeline system according to an embodiment of the present application;
fig. 6 is a schematic flow chart of a method for treating an oil product in an oil pipeline according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
First, terms related to embodiments of the present application will be explained:
the oil pipeline (also called pipeline, pipeline) is composed of oil pipe and its accessories, and according to the requirements of technological process, it is equipped with correspondent oil pump unit, and designed and installed into a complete pipeline system for completing the tasks of oil material receiving, unloading and transferring. The pipe material of oil pipeline is the steel pipe generally, uses connecting device such as welding and flange to connect into long distance pipeline to use the valve to carry out switching control and flow control, oil pipeline has become one of the main transport means of oil at present, and still has considerable development potential in the future.
The oil pipeline system, i.e. the pipeline system for transporting petroleum and petroleum products, is mainly composed of oil pipeline, oil transportation station and other auxiliary related equipments, is one of the main equipments in petroleum storage and transportation industry, and is also the most main transportation equipment for crude oil and petroleum products.
Before introducing the embodiments of the present application, a description will be given of a background and an application scenario of the present application.
The long-distance oil pipeline is a large-scale pipeline system with large caliber, long distance and high pressure, is a key project of national energy supply aorta and national economy, and bears the important responsibility of providing energy guarantee for the rapid development of the health of the national economy, so that the safe operation of the long-distance oil pipeline has great social and economic significance. Under the situation of global economy integration development, improving the safety management level becomes an important means for improving the comprehensive benefit and competitive power of enterprises and entering the international market.
The long-distance oil pipeline has the characteristics of good tightness, high automation degree and the like, and the safety of the long-distance oil pipeline is superior to that of railway, highway, ship transportation and other modes. However, as the media for storage and transportation of the long-distance oil pipeline are flammable, explosive, volatile and easy to electrostatically gather fluids such as crude oil, light oil and liquefied gas, and some fluids also contain toxic substances, accidents happen to the long-distance oil pipeline system, and leaked oil gas is easy to catch fire and explode, which leads to serious disasters such as casualties and property loss. The medium leakage of long-distance oil pipeline storage and transportation is different from natural gas leakage in that: the leakage of oil products can pollute water source and soil, and has long-term adverse effect on public health and environment.
In practical applications, long-distance oil pipelines are also faced with many problems during operation, such as: corrosion, plugging, pipe condensation, and the like.
In particular, the production of crude oil requires the injection of water into the field to pressurize it in order to produce the crude oil from the ground. The crude oil also carries water and sand together when it is pumped up. Because the produced crude oil is not subjected to a complete dehydration process, the crude oil in the pipeline contains more or less water and sand, in some cases, the water contained in the crude oil is alkalescent, SO42-, CL-, and the like, and particularly when the CL-content is high, the penetration force is strong, and the local perforation of the pipeline is easily caused. At the moment, the water contained in the crude oil has stronger corrosivity, and the corrosivity is similar to that of seawater.
Sandstone and sediments in crude oil have large influence on the operation of a pipeline, a large amount of sandstone is filtered by a separator, but some particles enter a long-distance pipeline along with the crude oil, and the sandstone particles generate large flow velocity under the action of the pressure of fluid in the pipeline, so that the inner wall of the pipeline is eroded and failed, the phenomenon of blockage occurs, and the operation safety of the pipeline is seriously threatened.
In addition, for the crude oil with high viscosity, high viscosity and high wax content, the coagulation point is high, and the coagulation accident is easy to happen if the pipeline is stopped for too long time or the transportation process is not selected properly, so the consequences are very serious.
In practical application, the laying mode of the long crude oil and product oil conveying pipelines is mainly buried, a certain long conveying pipeline is taken as an example, the problem of sudden pipeline stop can occur under a certain condition (for example, corrosion perforation leakage, digging-off by other engineering construction, oil stealing by perforation, insufficient pipeline strength fracture, problem shutdown of a pump station, shutdown caused by other problems and the like), when the pipeline stop conveying exceeds a certain time, the crude oil in the pipeline can be gradually cooled and solidified, and the shutdown problem is solved at this moment, but pipeline conveying is not possible to be restarted, so that a pipe condensation accident is caused, and huge economic loss and adverse social influence are caused.
The technical concept of the technical scheme of the application is as follows: aiming at the problem that the oil pipeline condensation phenomenon can be caused if the oil pipeline is stopped for too long time, the inventor finds that the oil pipeline can be distributed in a high and low way based on the terrain of the oil pipeline along the way, if the pipeline with the high and low way is regarded as the pipeline sections, the pipeline section high points can be formed at the places with the high terrain, and the pipeline section low points can be formed at the places with the low terrain, therefore, if the oil storage device is arranged at the horizontal low points (namely the pipeline section low points) of the oil pipeline according to the layout of the oil pipeline, the oil in the oil pipeline is conveyed to the oil storage device, then the oil in the oil storage device is subjected to anti-condensation treatment, the oil condensation phenomenon is prevented, and in the oil pipeline, the oil is easy to deposit at the pipeline section low points due to the high density of the deposit, and the deposit is also carried in the process of conveying the oil to the oil storage device, further, the corrosion prevention operation can be performed. Specifically, one or more oil storage devices (such as a transportation emergency storage tank) are arranged at the lowest part with large drop along the long-distance pipeline, and the volume of the oil storage device is ensured to be at least not less than the maximum pipe volume from any high point on two sides of the oil storage device to the position in the pipeline.
In order to solve the technical problems, the oil in the oil pipeline is conveyed to an oil storage device and is pumped back to the oil pipeline after being subjected to anti-coagulation treatment during the period of stopping conveying of the oil pipeline, so that the problem of oil coagulation caused by stopping conveying of the oil pipeline under an unexpected condition is effectively solved, water, sand and the like in the oil product are removed in the process, the corrosion condition caused by sediments such as water, sand and the like in the oil pipeline is improved, and the safety and the service life of the operation of the oil pipeline are improved.
The technical solution of the present application will be described in detail below with reference to specific examples. It should be noted that the following specific embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.
Fig. 1 is a schematic structural diagram of an oil pipeline system according to a first embodiment of the present application. Referring to fig. 1, the oil pipeline system may include: an oil delivery pipeline 10, an oil storage device 11 and a control device 12 for controlling the operation of the oil delivery pipeline 10 and the oil storage device 11.
In the present embodiment, the oil pipeline 10 comprises at least two pipe sections connected to each other, the two pipe sections extending in a horizontal direction and forming at least one pipe section low point a in a vertical direction, and at least one oil storage device 11 is arranged below each pipe section low point a.
In practical applications, an oil pipeline is laid or installed, which is not horizontal due to the influence of terrain, and at least one low point and one high point exist, which are referred to as a pipe section low point and a pipe section high point in the embodiment of the present application.
Optionally, in this embodiment, an oil pipeline 10 having at least one pipe section low point a in the vertical direction is described, where the pipe section low point a is an interconnection point of at least two pipe sections, at least one oil storage device 11 is disposed below the pipe section low point a, and the oil storage device 11 is lower than the pipe section low point a to ensure that an oil product in the oil pipeline 10 freely falls to the oil storage device 11 by using its own gravity when the oil pipeline 10 stops transportation, and the oil product carries a deposit deposited at the pipe section low point and a deposit carried by the oil product itself.
Illustratively, the sum of the capacities of all the reservoirs 11 connected to each spool piece low point A is greater than or equal to the maximum spool piece capacity of the two spool pieces forming the spool piece low point.
Alternatively, the oil pipeline system shown in fig. 1 is explained as an oil storage device. In practical application, the setting can be carried out according to actual conditions. As shown in fig. 1, oil pipeline 10 includes a first pipe segment 101 and a second pipe segment 102, and first pipe segment 101 and second pipe segment 102 form a pipe segment low point a. To ensure that the first and second pipe sections 101 and 102 are preserved and that the oil in the first and second pipe sections 101 and 102 are preserved, the capacity of all the oil storage devices 11 disposed at the low point a of the pipe sections must be greater than or equal to the sum of the capacities of the oil in the first and second pipe sections 101 and 102. It should be noted that the oil storage device 11 may be provided with one or more than one oil storage device at different pipe section low points according to the terrain.
Illustratively, the control device 12 is used for controlling at least one oil storage device 11 connected to each pipe segment low point a to treat oil in the pipe segments on both sides of the pipe segment low point a during the period of stopping the oil transportation pipeline 10, so that the oil in the oil transportation pipeline 10 can be normally transported.
Optionally, when the oil in the oil pipeline 10 stops being transported, the control device 12 controls the oil storage device 11 to perform anti-coagulation treatment on the oil in the oil pipeline 10, so that the oil in the oil pipeline 10 does not solidify.
Illustratively, the anti-condensation treatment includes at least one of: heating and stirring. Specifically, controlling means 12 control oil storage device 11 carries out heat treatment to the oil of storage for oil temperature in the oil storage device 11 is higher than the temperature that can solidify, stirs simultaneously and handles, makes the oil thermally equivalent, has also avoided local high temperature that is heated simultaneously, leads to the oil quality to change or the emergence of other dangerous condition.
Optionally, the heating treatment should be controlled to be completed without affecting the quality of the oil product, and the heating treatment makes the heating degree of the oil product related to the recovery operation time of the oil pipeline.
The oil pipeline system that this application embodiment provided is by oil pipeline, the oil storage device with be used for controlling oil pipeline, the controlling means of oil storage device work constitutes, set up the oil storage device through the low point at oil pipeline, make the oil in the oil pipeline can get into the oil storage device under the defeated circumstances of stopping, controlling means control oil storage device heats the oil, anti-coagulation processing and anticorrosive treatment such as stirring, reached when oil pipeline resumes the operation, the oil still can normally be carried, and oil pipeline safe operation's effect.
Fig. 2 is a schematic view of the oil pipeline structure in the embodiment shown in fig. 1. As shown in fig. 2, at least one section low point a in the oil pipeline 10 is provided with a control switch 1001.
Optionally, the control switch 1001 may be a three-way valve, or may be formed by at least two-way valves, and the control mode of the control switch 1001 may be an electric control automatic valve, but is not limited to the electric control automatic valve, and the opening and closing mode of the control switch 1001 is controlled by a control device, here, a three-way valve is taken as an example.
Illustratively, the three-way valve is located at a low point a of the pipeline section of the oil pipeline 10 for connecting the oil pipeline 10 and the oil storage device 11. Specifically, the end B and the end C of the three-way valve are connected with the lower parts of the two pipe sections, and the end D is connected with the oil storage device 11.
In the embodiment of the present application, the control device 12 is specifically configured to, during the period that the oil delivery pipeline 10 stops delivering, turn on the control switch 1001 controlling the connection of the pipe segment low point a for each pipe segment low point a, so as to enable the oil product in at least one pipe segment connected with the pipe segment low point a to flow into the at least one oil storage device 11, and control the at least one oil storage device 11 to perform the treatment on the oil product when the oil product is stored in the at least one oil storage device 11, so as to ensure that the oil product in the oil delivery pipeline 10 can be normally transported and the deposits in the oil delivery pipeline 10 can be cleaned.
Specifically, the control device 12 can control the B end, the C end, and the D end of the control switch 1001 according to an oil treatment mode selected by a user, so that each pipe section conveys oil in the oil conveying pipeline 10 to the oil storage device 11 by using the height difference of each pipe section, and the oil storage device 11 is controlled to perform anti-condensation treatment and/or anti-corrosion treatment on the oil.
The control switch is arranged at the low point of the pipe sections formed between the pipe sections in the oil pipeline system, and the state of the control switch during the stop of the oil transportation is controlled, so that oil products and sediments can enter the oil storage device, the treatment of the oil products is realized, and a foundation is provided for realizing the following two possible implementation schemes.
On the basis of the above embodiments, fig. 3 is a schematic structural diagram of a second oil pipeline system embodiment provided in the embodiment of the present application. As shown in fig. 3, the control device 12 is specifically adapted to control the state of the control switch 1001 at the low point a of each pipe section during periods when the oil pipeline 10 is shut down.
Optionally, in this application, before the oil pipeline 10 stops conveying, the D end of the control switch 1001 is normally closed, and the B end and the C end are normally open, and after the oil pipeline 10 stops conveying, the control device 12 may control the opening and closing of different ports of the control switch 1001.
Optionally, each oil storage device 11 includes a pump device 1101, and each pump device 1101 is disposed at an inlet and outlet E of the oil storage device 11, and the inlet and outlet E is disposed at a lower portion of the oil storage device 11.
Optionally, the oil transportation direction of the oil transportation pipeline 10 is from the first pipe section 101 to the second pipe section 102, and the oil transportation direction is only an example and is not limited.
A first possible implementation of the embodiment of the present application is shown in fig. 3 as follows:
in a first time period, a control switch 1001 arranged at a pipe section low point A is controlled to be in a first opening state, so that a first pipe section 101 connected with the pipe section low point A is communicated with at least one oil storage device 11 connected with the pipe section low point A, a second pipe section 102 connected with the pipe section low point A is blocked from at least one oil storage device 11, oil and sediments in the first pipe section 101 flow into the at least one oil storage device 11, the at least one oil storage device 11 is controlled to perform oil treatment, and when the at least one oil storage device 11 meets a preset condition, a mechanical pump device arranged in the at least one oil storage device 11 is controlled to pump the oil in the at least one oil storage device 11 back to the first pipe section 101.
For example, assuming that the oil transportation pipeline 10 is stopped for 24 hours, and the oil product is solidified after 15 hours, the control device 12 controls the control switch 1001 to be in the first open state within the first 12 hours of stopping transportation, that is, the C end of the control switch 1001 is closed, and the B, D end is open, because the oil product and the deposit in the first pipeline 101 enter the oil storage device 11 under the action of gravity, the control device 12 controls the oil storage device 11 to perform the oil product treatment, and the oil product is pumped back to the first pipeline section 101 through the pump device 1101 within the last 3 hours within the first 12 hours, and then the control device 12 controls the B, D end of the control switch 1001 to be closed.
And in a second time period, controlling a control switch 1001 of a second pipe segment 102 connected with a pipe segment low point A to be in a second open state, so that the second pipe segment 101 connected with the pipe segment low point A is communicated with at least one oil storage device 11 connected with the pipe segment low point A, the first pipe segment 101 connected with the pipe segment low point A is blocked from at least one oil storage device 11, oil products and sediments in the second pipe segment 102 flow into the at least one oil storage device 11, controlling the at least one oil storage device 11 to perform oil product treatment, and controlling a pump device arranged in the at least one oil storage device 11 to pump the oil products in the at least one oil storage device 11 back to the second pipe segment 102 when the at least one oil storage device 11 meets a preset condition.
Illustratively, during the last 12 hours after the delivery is stopped, the control device 12 controls the control switch 1001 to be in the second on state, that is, the B end of the control switch 1001 is closed, and the C, D end is open, because oil and sediments in the second pipe segment 102 enter the oil storage device 11 under the action of gravity, the control device 12 controls the oil storage device 11 to perform oil treatment, the oil is pumped back into the first pipe segment 101 through the pump device 1101 during the last 12 hours, and when all the oil in the oil storage device 11 is pumped into the first pipe segment 101, the control device 12 controls the D end of the control switch 1001 to be closed, and the B end is opened.
In the possible implementation scheme, the preset condition is that the treatment time reaches a preset time or/and the temperature reaches a preset temperature, the preset time can be determined with the oil product solidification time or the oil product transportation stop time, the preset temperature does not change the oil product state, and the preset condition can be determined according to the solidification time of different oil products and/or the time for ensuring that the oil product can reach the next pump station and/or the time for rush-repairing the oil pipeline. The specific implementation of the preset condition may be determined according to actual situations, and will not be described herein again.
In a possible implementation of the embodiment of the present application, a total duration of the first time period and the second time period is greater than or equal to an oil product solidification duration and less than or equal to a delivery stop duration of the oil delivery pipeline.
Illustratively, the total duration of the 12 hours in the first period and the 12 hours in the second period is 24 hours, the oil product is solidified at the beginning of the 15 th hour, the pipeline transportation stop duration is greater than 24 hours, which is only illustrated and not limited herein, and the control device 12 controls the actuation time of the control switch 1001 and the oil storage device 11 according to the transportation stop duration of the oil pipeline 10, at least to meet the requirement that the oil product in the oil pipeline 10 is not solidified during the transportation stop duration.
A second possible implementation of the embodiment of the present application is shown in fig. 3 as follows:
optionally, the stop time of the oil pipeline 10 is longer than or equal to the oil product solidification time, and the control switch 1001 and the oil storage device 11 are controlled by the control device 12 to execute corresponding operations.
During the period that the oil conveying pipeline 10 stops conveying, the control switch 1001 arranged at the pipe section low point A is controlled to be in the third opening state aiming at each pipe section low point A, so that the two pipe sections 101 and 102 are communicated with the at least one oil storage device 11 connected with the pipe section low point A, oil products and sediments in the two pipe sections 101 and 102 flow into the at least one oil storage device 11, the at least one oil storage device 11 is controlled to perform oil product treatment, before the oil conveying pipeline 10 is determined to be recovered to operate, the pump device 1101 connected with the at least one oil storage device 11 is controlled, and the oil products in the at least one oil storage device 11 are respectively pumped back into the two pipe sections 101 and 102.
Illustratively, when the oil transportation pipeline 10 stops oil transportation, the control device 12 determines that the shutdown time is 24 hours, and oil solidification starts from 15 hours, the control device 12 controls the control switch 1001 to be in the third open state, specifically, the D end of the control switch 1001 is opened, under the action of gravity, oil and sediments in the first pipe section 101 and the second pipe section 102 enter the oil storage device 11, then the control device 12 controls the oil storage device 11 to perform oil treatment on the oil, under the condition that the oil is ensured not to be solidified (in the time period from 9 hours when the oil transportation is stopped to when the oil transportation is resumed), the oil in the oil storage device 11 is pumped back to the oil transportation pipeline 10 by the pump device 1101, that is, the B end of the control switch 1001 is closed by the control device 12, the pump device 1101 pumps the oil in the oil storage device 11 back to the second pipe section 102, if the second pipe section 102 is full, the control device 12 controls the end C of the control switch 1001 to be closed and the end B to be opened, the pump 1101 pumps the oil left in the oil storage device 11 back to the first pipe section 101, and after the process is completed, the ends B, C of the control switches 1001 are both opened and the end D is closed.
The two possible implementation schemes described above do not limit the embodiment of the oil pipeline system provided in the embodiment of the present application, and are only described as examples.
It should be noted that, after the water, sand and other sediments flow into the oil storage device 11, the sediments sink to the bottom of the oil storage device 11 due to the higher density, and the oil product after the anti-condensation treatment is not affected to be pumped back, and the time for treating the water, sand and other sediments in the oil storage device 11 includes any one of the following: when the oil is stored in the oil storage device 11, the oil is pumped back to the oil delivery pipeline 10. This is by way of example only and not intended to be limiting.
The embodiment of the application provides a structure of an oil conveying pipeline system, which is used for realizing a possible scheme of oil treatment, the scheme that oil in a first pipeline and an oil in a second pipeline are conveyed to an oil storage device according to the sequence, or the scheme that oil in the first pipeline and the oil in the second pipeline are conveyed to the oil storage device at the same time is realized, the purposes of preventing oil coagulation and preventing corrosion of the oil conveying pipeline in the process of stopping conveying are realized, the oil is ensured to be in a state of being transported by the oil conveying pipeline at any time, and the operation safety and the service life of the oil conveying pipeline are improved.
Fig. 4 is a schematic structural view of the oil storage device in the embodiment shown in fig. 1. In the schematic, the oil reservoir 11 further includes a drain 1102.
Optionally, the bottom and/or lower portion of at least one oil storage device 11 is provided with a discharge port 1102, and the discharge port 1102 is used for discharging the sediment in the oil storage device 11.
Illustratively, the deposit includes at least one of: water and sand.
When crude oil is transported in the oil pipeline 10, the crude oil is pumped up to bring water and sand together, because the crude oil needs to be injected into the oil field for pressurization in the process of extraction so as to extract the crude oil from the underground. Crude oil in oil pipeline 10 is also more or less hydrated with sand, since it has not been subjected to a thorough dehydration process after production.
Specifically, when the oil transportation pipeline 10 stops transportation due to a fault and oil in the oil transportation pipeline 10 needs to be treated, the oil and sediment in the first pipe section 101 or/and the second pipe section 102 are already stored in the oil storage device 11, and a stratification phenomenon occurs due to different densities of the sediment such as water, sand and the like and the oil, at this time, the control device 12 controls the discharge port 1102 to be opened to discharge water, the discharge port 1102 is closed after the water discharge is finished, the oil storage device 11 performs anti-condensation treatment, after the oil transportation pipeline 10 resumes operation, the sediment such as sand and the like can be deposited in the oil storage device 11, and the control device 12 controls the oil storage device 11 to open the discharge port 1102 to discharge the sediment such as sand and the like and close the discharge port 1102.
Specifically, when the oil transportation pipeline 10 needs to be cleaned, but the oil transportation pipeline 10 is not stopped due to a fault, the oil and the sediment in the first pipe section 101 or/and the second pipe section 102 are already stored in the oil storage device 11, a stratification phenomenon occurs due to the density difference between the sediment such as water, sand and the like and the oil, at this time, the oil in the oil transportation pipeline 10 is pumped back into the oil transportation pipeline 10, the control device 12 controls the opening of the discharge port 1102 to discharge the sediment such as water, sand and the like, and after the sediment such as water, sand and the like is completely discharged, the discharge port 1102 is closed.
It should be noted that the sequence of the treatment of the sediments such as water, sand, etc. is only illustrated here, and it is only necessary to ensure that the treatment is performed without affecting the anti-coagulation treatment of the oil product.
Optionally, as shown in fig. 4, the oil storage device 11 may further include: the heating device 1103 and the stirring device 1104 are arranged at the bottom of the oil storage device 11, and are used for heating oil in the oil storage device 11; the stirring device 1104 is disposed at a central position of the oil storage device 11, and is used for performing a stirring operation on oil in the oil storage device 11.
Alternatively, the heating device 1103 may be a local fast heater, a sectional heater or a serpentine heater, and the heating device 1103 is installed at the bottom of the oil storage device 11 and cooperates with the stirring device 1104 installed at the center of the oil storage device 11 to perform anti-condensation treatment on the oil.
Optionally, also can set up the equipment of input material in the oil storage device 11, when needs carry out further processing to the oil, utilize this material to carry out retreatment to the oil to satisfy the operation that the oil did not carry out or did not reach expected effect before the transportation, agitated vessel 1104 still can be used to carry out stirring operation to material and oil, in order to guarantee that material and oil can the misce bene. However, the above operations do not affect the normal transportation of oil in the oil pipeline 10.
It should be noted that the installation positions of the heating device 1103 and the stirring device 1104 are not limited in the embodiments of the present application, and may be determined according to the design of the oil storage device 11 in practical applications, which are only exemplified herein.
Optionally, the size and/or number of the oil storage devices 11 arranged at the low point a of each pipe section is related to the caliber size and/or length of the two pipe sections connected with the low point a of the pipe section.
Illustratively, the capacity, which depends on the number and size of the reservoirs 11, must be able to accommodate the sum of the capacities of the individual pipe sections connected to the pipe section at the low point a, and the capacity of the pipe sections is determined by the pipe section's diameter and length.
The embodiment of the application provides an oil storage device structure of oil pipeline system, wherein, including discharge port, firing equipment and agitated vessel, utilize firing equipment and agitated vessel to realize the anti-coagulation of oil and handle, through the discharge of discharge port to precipitates such as water, grit in the oil, prevented the solidification of oil and improved the corrosion problems who leads to the fact because of oil pipeline normal water, sand etc. realized the anticorrosive treatment to oil pipeline.
On the basis of the foregoing embodiments, fig. 5 is a schematic structural diagram of a third oil pipeline system embodiment provided in the embodiment of the present application. As shown in fig. 5, the oil pipeline system may include: an oil delivery pipe 20, an oil storage 21, an oil storage 22 and a control device 23 for controlling the oil delivery pipe 20, the oil storage 21, the oil storage 22 and the operation.
Illustratively, the oil pipeline 20 comprises a first pipe section 201, a second pipe section 202, a third pipe section 203 and a fourth pipe section 204, a control switch 2001 is arranged at a high point H of the first pipe section 201, a control switch 2002 is arranged at a low point I of the first pipe section 201 and the second pipe section 202, a control switch 2003 is arranged at a high point J of the second pipe section 202 and the third pipe section 203, a control switch 2004 is arranged at a low point K of the third pipe section 203 and the fourth pipe section 204, and a control switch 2005 is arranged at a high point L of the fourth pipe section 204.
Illustratively, when the oil transportation pipeline 20 stops oil transportation, the control device 23 closes the control switch at the high point of each pipe section in the oil transportation pipeline 20, namely, closes the control switch 2001, the control switch 2003 and the control switch 2005, opens the control switch at the low point of each pipe section in the oil transportation pipeline, namely, opens the control switch 2002 and the control switch 2004, under the action of gravity, the oil and the sediments in the first pipe section 201 and the second pipe section 202 flow into the oil storage device 21, the oil and the sediments in the third pipe section 203 and the fourth pipe section 204 flow into the oil storage device 22, and the control device 23 controls the oil storage device 21 and the oil storage device 22 to respectively process the oil and the gas, namely, perform operations such as sediment removal processing, heating processing, stirring processing and the like. The embodiment of the present application does not limit the implementation of the specific operation.
Before the oil delivery of the oil delivery pipeline 20 is resumed, the oil products subjected to condensation prevention treatment in the oil storage device 21 and the oil storage device 22 are respectively pumped back to the first pipe section 201, the second pipe section 202, the third pipe section 203 and the fourth pipe section 204, the control device 23 controls the control switch 2001, the control switch 2003 and the control switch 2005 to be opened and the control switch 2002 and the control switch 2004 to be closed, and then the oil storage device 21 and the oil storage device 22 are subjected to tank cleaning treatment to discharge sediments such as sand and stones in the oil products.
Optionally, the control device 23 may also process the oil in each pipe segment of the oil pipeline 20 according to the control method in the foregoing embodiment, which is not described herein again.
It should be noted that all the control switches in the embodiment of the present application may be three-way valves or two-way valves, and the control device 23 changes the control mode accordingly according to the type of the valve without affecting the implementation of the specific embodiment in the embodiment.
For the content that is not described in this embodiment, reference may be made to the description in the above embodiments, and details are not repeated here. Fig. 6 is a schematic flow chart of a method for treating an oil product in an oil pipeline according to an embodiment of the present application. The method can be applied to a control device in an oil pipeline system as shown in the above-mentioned fig. 1 to 5. As shown in fig. 6, the method for treating oil in an oil pipeline in the embodiment of the present application may be implemented according to the following steps:
s601, controlling oil products in two pipe sections connected at the low point of each pipe section to flow into at least one oil storage device arranged below the low point of the pipe section during the period that the oil conveying pipeline of the oil conveying pipeline system stops conveying.
Illustratively, when the oil pipeline stops conveying, the control device judges whether the oil in the oil pipeline needs anti-condensation treatment according to preset conditions, if so, the control device controls the low point of the pipeline section to enable the oil in the oil pipeline to flow into an oil storage device arranged below the low point of the pipeline section, and the number of the oil storage devices is determined according to the capacity of the pipeline section.
S602, controlling at least one oil storage device to treat oil in pipe sections on two sides of a low point of the pipe sections so as to ensure that the oil in the oil pipeline can be normally transported, wherein the treatment comprises at least one of the following steps: anti-condensation treatment and anti-corrosion treatment.
Illustratively, when the oil product completely flows into the oil storage device, the control device controls the oil storage device to treat the oil product in the oil conveying pipeline, so that the oil product can still keep a state of continuous transportation when the oil conveying pipeline operates again, and sediments such as water, sand and the like in the oil conveying pipeline are cleaned, so that the operation safety of the oil conveying pipeline is ensured.
For the parts which are not detailed in the embodiments of the method, reference may be made to the descriptions in the above system embodiments, which are not repeated herein, and it is worth to be noted that the embodiments of the present application are not only applicable to the pipeline transportation process of crude oil or product oil which is easy to solidify, but also applicable to the pipeline transportation process of other fluids which are difficult to condense or/and restart due to the stopping of transportation.
The embodiment of the application provides a method for treating oil in oil pipeline, during the oil pipeline of oil pipeline system stops transporting, controlling means control switch, utilize the potential difference of pipeline section in the oil pipeline, carry the oil to the oil storage device that the pipeline section low point below set up, through controlling the oil storage device, handle the oil, before oil pipeline resumes the transportation, beat the oil in the oil storage device back to oil pipeline, avoid the phenomenon of congealing the pipe because of stopping transporting the overlength of time, and removed oil pipeline and oil and contained deposit such as water, sand, guaranteed oil pipeline safe and reliable operation in-process of oil transportation.
In the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone, wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship; in the formula, the character "/" indicates that the preceding and following related objects are in a relationship of "division". "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple.
It is to be understood that the various numerical references referred to in the embodiments of the present application are merely for descriptive convenience and are not intended to limit the scope of the embodiments of the present application. In the embodiment of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiment of the present application.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (8)
1. An oil pipeline system, comprising: the oil storage device comprises an oil pipeline, an oil storage device and a control device for controlling the oil pipeline and the oil storage device to work;
the oil pipeline comprises at least two pipe sections which are connected with each other, the at least two pipe sections extend in the horizontal direction and form at least one pipe section low point in the vertical direction, and at least one oil storage device is arranged below each pipe section low point;
the sum of the capacities of all the oil storage devices connected with the low point of each pipe section is more than or equal to the maximum pipe section capacity of the two pipe sections forming the low point of the pipe section;
the control device is used for controlling at least one oil storage device connected with the low point of each pipe section to process oil in the pipe sections on two sides of the low point of the pipe section during the period that the oil transportation pipeline stops transporting, so as to ensure that the oil in the oil transportation pipeline can be normally transported, and the processing comprises at least one of the following steps: anti-condensation treatment and anti-corrosion treatment;
a control switch is arranged at the low point of the at least one pipe section;
the control device is specifically configured to control, during the period of the oil transportation pipeline being stopped from transporting, for each pipe section low point, to turn on a control switch arranged at the pipe section low point, so as to enable oil in the at least one pipe section connected with the pipe section low point to flow into the at least one oil storage device, and when oil is stored in the at least one oil storage device, control the at least one oil storage device to perform treatment on the oil, so as to ensure that the oil transportation pipeline is safe to operate, and the oil in the oil transportation pipeline can be normally transported;
the control device is specifically configured to:
during the period that the oil transportation pipeline stops transporting, aiming at the low point of each pipe section, controlling a control switch arranged at the low point of the pipe section to be in a first opening state in a first time period so as to enable a first pipe section connected with the low point of the pipe section to be communicated with at least one oil storage device connected with the low point of the pipe section, blocking a second pipe section connected with the low point of the pipe section from the at least one oil storage device, enabling oil in the first pipe section to flow into the at least one oil storage device, controlling the at least one oil storage device to perform treatment on the oil, and controlling a pump device arranged in the at least one oil storage device to pump the oil in the at least one oil storage device back to the first pipe section when the at least one oil storage device meets a preset condition;
in a second time period, controlling a control switch arranged at the low point of the pipe section to be in a second opening state so as to enable a second pipe section connected with the low point of the pipe section to be communicated with at least one oil storage device connected with the low point of the pipe section, blocking the first pipe section connected with the low point of the pipe section from the at least one oil storage device, enabling oil in the second pipe section to flow into the at least one oil storage device, controlling the at least one oil storage device to perform treatment on the oil, and controlling a pump device connected with the at least one oil storage device to pump the oil in the at least one oil storage device back to the second pipe section when the at least one oil storage device meets preset conditions;
and the total time length of the first time period and the second time period is greater than or equal to the oil product solidification time length and less than or equal to the oil pipeline transportation stop time length.
2. Oil pipeline system according to claim 1, characterized in that the control device is specifically configured to:
during the period that the oil transportation pipeline stops transporting, controlling a control switch arranged at the low point of each pipe section to be in a third opening state aiming at the low point of each pipe section so as to enable the two pipe sections to be communicated with at least one oil storage device connected with the low point of each pipe section, enabling the oil in the two pipe sections to flow into the at least one oil storage device, controlling the at least one oil storage device to perform treatment on the oil, and controlling a pump device connected with the at least one oil storage device to pump the oil in the at least one oil storage device back to the two pipe sections respectively before determining that the oil transportation pipeline resumes operation;
the stop time of the oil pipeline is more than or equal to the solidification time of the oil product.
3. Oil pipeline system according to claim 1 or 2, characterized in that the pump equipment is arranged at an access opening of the oil storage, which access opening is arranged at a lower part of the oil storage.
4. Oil pipeline system according to claim 1 or 2, characterized in that the lower part of the at least one oil reservoir each has a discharge opening for discharging sediment in the oil reservoir, the sediment comprising at least one of: water and sand.
5. Oil pipeline system according to claim 1 or 2, characterized in that the anti-coagulation treatment comprises at least one of the following: heating and stirring.
6. Oil pipeline system according to claim 5, characterized in that the oil storage device comprises: heating equipment and stirring equipment;
the heating equipment is arranged at the bottom of the oil storage device and is used for heating oil products in the oil storage device;
the stirring equipment is arranged at the central position of the oil storage device and used for stirring oil products in the oil storage device.
7. Oil pipeline system according to claim 1 or 2, characterized in that the size and/or number of oil storage means provided at the low point of each pipe section is related to the size of the caliber and/or length of the pipe section of the two pipe sections connected at the low point of the pipe section.
8. A method for treating oil in an oil transport pipeline, for use in a control device in an oil transport pipeline system, said oil transport pipeline system being a system according to any one of claims 1-7, said method comprising:
controlling oil in two pipe sections connected at a low point of each pipe section to flow into at least one oil storage device arranged below the low point of the pipe section during the period of stopping the oil transportation pipeline of the oil transportation pipeline system;
controlling the at least one oil storage device to treat oil in pipe sections on two sides of the low point of the pipe section so as to ensure that the oil in the oil pipeline can be normally transported, wherein the treatment comprises at least one of the following steps: anti-condensation treatment and anti-corrosion treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010797881.XA CN111911813B (en) | 2020-08-10 | 2020-08-10 | Oil pipeline system and oil product treatment method in oil pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010797881.XA CN111911813B (en) | 2020-08-10 | 2020-08-10 | Oil pipeline system and oil product treatment method in oil pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111911813A CN111911813A (en) | 2020-11-10 |
| CN111911813B true CN111911813B (en) | 2021-08-17 |
Family
ID=73283635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010797881.XA Active CN111911813B (en) | 2020-08-10 | 2020-08-10 | Oil pipeline system and oil product treatment method in oil pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111911813B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413185A (en) * | 2022-01-27 | 2022-04-29 | 国家石油天然气管网集团有限公司 | Side slope section oil pipeline leakage intercepting and early warning system and method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2316692C1 (en) * | 2006-05-22 | 2008-02-10 | Государственное образовательное учреждение высшего профессионального образования "Курский государственный технический университет" | Device for condensate plug creation prevention in gas pipeline |
| CN105363740A (en) * | 2014-08-25 | 2016-03-02 | 中国石油天然气股份有限公司 | Paraffin removal method and device for oil pipeline |
| CN205859617U (en) * | 2016-07-08 | 2017-01-04 | 中国石油天然气股份有限公司 | Accumulated water discharging device in oil pipeline |
| CN106641550A (en) * | 2017-01-16 | 2017-05-10 | 佐尔中润管业科技（江苏）有限公司 | Heating oil pipeline |
| CN207002241U (en) * | 2017-07-29 | 2018-02-13 | 西南石油大学 | A kind of high gradient slope oil pipeline oil spill gathering device with warning function |
| CN207279127U (en) * | 2017-09-06 | 2018-04-27 | 许桂荣 | Gathering line heating unit |
| CN108223909A (en) * | 2018-02-09 | 2018-06-29 | 中国石油天然气集团公司管材研究所 | Prevent the pipe laying method of moisture gathering line internal corrosion |
| CN110440141A (en) * | 2019-09-18 | 2019-11-12 | 东北石油大学 | Environment-friendly type is automatically drained out water collecting device inside crude oil pipeline |
-
2020
- 2020-08-10 CN CN202010797881.XA patent/CN111911813B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2316692C1 (en) * | 2006-05-22 | 2008-02-10 | Государственное образовательное учреждение высшего профессионального образования "Курский государственный технический университет" | Device for condensate plug creation prevention in gas pipeline |
| CN105363740A (en) * | 2014-08-25 | 2016-03-02 | 中国石油天然气股份有限公司 | Paraffin removal method and device for oil pipeline |
| CN205859617U (en) * | 2016-07-08 | 2017-01-04 | 中国石油天然气股份有限公司 | Accumulated water discharging device in oil pipeline |
| CN106641550A (en) * | 2017-01-16 | 2017-05-10 | 佐尔中润管业科技（江苏）有限公司 | Heating oil pipeline |
| CN207002241U (en) * | 2017-07-29 | 2018-02-13 | 西南石油大学 | A kind of high gradient slope oil pipeline oil spill gathering device with warning function |
| CN207279127U (en) * | 2017-09-06 | 2018-04-27 | 许桂荣 | Gathering line heating unit |
| CN108223909A (en) * | 2018-02-09 | 2018-06-29 | 中国石油天然气集团公司管材研究所 | Prevent the pipe laying method of moisture gathering line internal corrosion |
| CN110440141A (en) * | 2019-09-18 | 2019-11-12 | 东北石油大学 | Environment-friendly type is automatically drained out water collecting device inside crude oil pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111911813A (en) | 2020-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MXPA06002480A (en) | Reception, processing, handling and distribution of hydrocarbons and other fluids. | |
| CN111911813B (en) | Oil pipeline system and oil product treatment method in oil pipeline | |
| US20170275521A1 (en) | L-grade stimulation fluid | |
| US20090223672A1 (en) | Apparatus and method for a hydrocarbon production facility | |
| WO1997028350A1 (en) | Method and equipment for the flow of offshore oil production | |
| AU2016391059A1 (en) | Systems for removing blockages in subsea flowlines and equipment | |
| WO2015036041A1 (en) | Hydrocarbon separation apparatus with recirculation loop | |
| US10137484B2 (en) | Methods and systems for passivation of remote systems by chemical displacement through pre-charged conduits | |
| WO2015082543A1 (en) | Subsea storage system with multiple flexible storage bags and method for filling and εμρτυινg such subsea storage system | |
| Sunagatullin et al. | Relevant issues on quality evaluation of petroleum pipeline preparation for oil product transportation | |
| CN108867766B (en) | Emergency water supply method for important plant water system of nuclear power ship | |
| CA2667975A1 (en) | Foam for mitigation of flow assurance issues in oil and gas systems | |
| CN105804696A (en) | Sewage re-injection main line alternate type scale removal technological method | |
| RU2610844C1 (en) | Underwater unit for fluid loading / unloading without berthing | |
| Soliman et al. | Innovative approach to treat produced water for re-use in Saudi Aramco reservoirs pressure maintenance | |
| CN211111878U (en) | Corrosion control system for crude oil gathering and transportation pipeline | |
| CN106536853A (en) | Compressor system, subsea production system provided therewith, and compressor cleaning method | |
| Davalath et al. | Flow assurance management for Bijupira and Salema field development | |
| Gomes et al. | Solutions and procedures to assure the flow in deepwater conditions | |
| CN220939537U (en) | Device that blocks up is prevented to nitre tail gas processing apparatus water spray circulation | |
| CN215636563U (en) | Device for preventing slurry backup pump from deposition and blockage | |
| Stephens et al. | Terra Nova-The Flow Assurance Challenge | |
| Wan et al. | A Primary-Secondary Pipeline System Used for Offshore Marginal Oilfields | |
| US20150251229A1 (en) | Method for cleaning a waste water vessel for the waste water industry | |
| Fairuzov et al. | An Intelligent Flushing System for Oil or Gas Gathering Systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |