CN209287887U - Pipeline under the ocean seawater injects flow assurance system - Google Patents
Pipeline under the ocean seawater injects flow assurance system Download PDFInfo
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- CN209287887U CN209287887U CN201822061554.9U CN201822061554U CN209287887U CN 209287887 U CN209287887 U CN 209287887U CN 201822061554 U CN201822061554 U CN 201822061554U CN 209287887 U CN209287887 U CN 209287887U
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Abstract
The utility model relates to a kind of pipeline under the ocean seawater to inject flow assurance system, be arranged at the nearly well head in upstream of pipeline under the ocean；Include: subsea control modules；Water inlet component pumps seawater by subsea control modules control with subsea control modules by circuit connection；Water tank stores the seawater pumped with water inlet component by piping connection；Heating component is arranged in water tank, with subsea control modules by circuit connection, by the seawater in subsea control modules control heating water tank；Water treatment component, pass through piping connection with water tank and pipeline under the ocean, pass through circuit connection with subsea control modules, seawater after heating is chemically treated, and the seawater after heating and chemical treatment is injected into pipeline under the ocean by subsea control modules control, the deposit in pipeline under the ocean is cleared up.The utility model can eliminate the deposit in pipeline under the ocean, maximize its conveying capacity, ensure marine oil field production efficiency.
Description
Technical field
The utility model relates to a kind of cleaning systems for pipeline under the ocean, in particular to a kind of pair of marine oil fields
Pipeline under the ocean realizes that the seawater of cleaning function injects flow assurance system, belongs to the technology neck of underwater equipment Support
Domain.
Background technique
The crude oil produced from marine oil field underground, underwater by subsea production tree, seabed manifold, pipeline under the ocean etc.
After the transmission of equipment, crude oil temperature will be gradually decrease to the environment temperature of seabed seawater.Since crude oil is in lower temperature ring
Long-pending wax, hydrate etc. can be gradually formed under border, and is constantly deposited on the tube wall of pipe line under the ocean, will reduce pipeline gradually
Interior valid circulation area, and increase the roughness of tube wall, to reduce the Crude Oil Transportation ability of pipeline.It is more serious, very
Extremely work safety accident can be in turn resulted in there is a situation where completely plugged pipeline.
Currently, heat tracing pipe is usually laid on pipeline outer wall for pipeline under the ocean, setting electricity inside heat tracing pipe
Cable, and the method for heat is generated after being powered using cable in heat tracing pipe surface to heat pipeline under the ocean, to prevent in pipe
The crude oil transmitted in road generates the deposition of attachment because temperature is too low.But the above method is needed in pipeline under the ocean
External installation steel pipe and cable in advance, are then laid with insulating layer and concrete weighted coating, whole construction process is complicated, difficulty compared with
Greatly, higher cost.
Based on above-mentioned, the utility model proposes a kind of pipeline under the ocean seawater to inject flow assurance system, effectively solves
Problems of the prior art and defect.
Utility model content
The purpose of the utility model is to provide a kind of pipeline under the ocean seawater to inject flow assurance system, and it is defeated to eliminate seabed
Deposit in oil-piping maximizes the conveying capacity of pipeline under the ocean, ensures and improve the production of hydrocarbons effect of marine oil field
Rate.
In order to achieve the above object, the utility model proposes a kind of pipeline under the ocean seawater to inject flow assurance system,
It is arranged at the nearly well head in upstream for the pipeline under the ocean being laid on sea bed；Include: subsea control modules；Water inlet component, with
Subsea control modules pump seawater by circuit connection, by subsea control modules control；Water tank is connected with water inlet component by pipeline
It connects, stores the seawater pumped；Heating component is arranged in water tank, with subsea control modules by circuit connection, by underwater
Control module controls the seawater in heating water tank；Water treatment component passes through piping connection with water tank and pipeline under the ocean,
With subsea control modules by circuit connection, the seawater after heating is chemically treated, and being controlled by subsea control modules will
Seawater after heating and chemical treatment injects pipeline under the ocean, clears up the deposit in pipeline under the ocean.
The subsea control modules include: communication instruction module, are communicated by subsea umbilical cable and sea control platform
Connection, according to the cleaning control signal control seawater injection flow assurance system work received；Temperature control modules, with heating
Component controls heating component operation according to the ocean temperature stored in water tank by circuit connection；Power module is controlled with sea
The power supply of platform processed provides operating voltage by circuit connection.
The water inlet component includes: water inlet pipe, and water inlet connects seawater, and water outlet connects water tank；Suction pump, setting exist
On water inlet pipe, with communication instruction module by circuit connection, the communication instruction module is according to the cleaning control signal received, control
Suction pump processed pumps seawater.
The water inlet component also includes: screen cover, and the water inlet of water inlet pipe is arranged in, and the bulky grain in filtering sea is outstanding
Floating object；The large granular impurity on water inlet pipe, between suction pump and water tank, in filtering sea is arranged in coarse filter；Thin mistake
The little particle impurity on water inlet pipe, between coarse filter and water tank, in filtering sea is arranged in filter.
The heating component includes: temperature sensor, is arranged in water tank, is connected with temperature control modules by circuit
It connects, the ocean temperature stored in detection water tank is simultaneously transmitted to temperature control modules；Electrothermal tube is arranged in water tank, with temperature control
Molding block is controlled electrothermal tube starting and added to seawater by circuit connection, the temperature control modules according to the ocean temperature detected
Heat, or stop to heating of seawater, and the ocean temperature that will test passes through communication instruction module transfer to sea control platform.
The water treatment component includes: outlet pipe, and water inlet connects water tank, and water outlet connects pipeline under the ocean；
Deoxidier module, built-in deoxidier are arranged on outlet pipe, reduce the content of Dissolved Oxygen in Seawater；Chemical agent module, it is built-in
Scale preventative is arranged on outlet pipe, between deoxidier module and pipeline under the ocean, seawater is inhibited to inject pipe line under the ocean
The saline deposit to be formed is reacted behind road with crude oil；Booster pump is arranged on outlet pipe, is located at chemical agent module and seabed is defeated
Between oil-piping, and with communication instruction module by circuit connection, which believes according to the cleaning control received
Number, control booster pump, which pressurizes seawater, injects pipeline under the ocean.
The pipeline under the ocean seawater injects flow assurance system, includes also gate valve, the water outlet of outlet pipe is arranged in
Mouthful, between booster pump and pipeline under the ocean；The hydraulic actuator and communication instruction module of the gate valve pass through circuit connection,
According to communication instruction module according to the cleaning control signal received, controls hydraulic actuator and provided by hydraulic line to gate valve
Hydraulic power input, control gate valve are opened, and inject seawater to pipeline under the ocean.
The pipeline under the ocean seawater injects flow assurance system, also includes pressure sensor, is arranged in outlet pipe
On, between booster pump and pipeline under the ocean, detect the internal pressure of outlet pipe.
The subsea control modules also include pressure monitoring module, with pressure sensor by circuit connection, receive pressure
The internal pressure for the outlet pipe that force snesor detects, and pass through communication instruction module transfer to sea control platform.
The pipeline under the ocean seawater injects flow assurance system, also includes steel structure casing, the seawater note
Enter to flow safeguards system to be arranged inside the steel structure casing.
In conclusion pipeline under the ocean seawater described in the utility model injects flow assurance system, in entire ocean
In the service life in oil field, pipeline under the ocean inside is cleared up using the seawater after heating and chemical pretreatment, is alleviated
Or the deposits such as wax deposition, hydrate caused by eliminating because of crude oil condensation, it is allowed to be re-converted into flowable oil stream, it is ensured that seabed
Oil gas flowing in oil pipeline, restores and maximizes the conveying capacity of pipeline under the ocean, ensure and improve marine oil field
Production of hydrocarbons efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the pipeline under the ocean seawater injection flow assurance system in the utility model.
Specific embodiment
Below in conjunction with Fig. 1, by preferred embodiment to the technology contents of the utility model, construction feature, reached purpose
And effect is described in detail.
As shown in Figure 1, injecting flow assurance system for pipeline under the ocean seawater provided by the utility model, setting is being applied
At the nearly well head in upstream of pipeline under the ocean 11 on sea bed；Include: subsea control modules 50；Water inlet component, and it is underwater
Control module 50 pumps seawater by circuit connection, by the control of subsea control modules 50；Water tank 25 passes through pipeline with water inlet component
Connection stores the seawater pumped；Heating component is arranged in water tank 25, passes through circuit connection with subsea control modules 50,
The seawater in heating water tank 25 is controlled by subsea control modules 50；Water treatment component, with water tank 25 and pipeline under the ocean
11 are chemically treated the seawater after heating, and with subsea control modules 50 by circuit connection by water by piping connection
Seawater after heating and chemical treatment is injected pipeline under the ocean 11 by the lower control of control module 50, in pipeline under the ocean 11
Deposit cleared up.
At the nearly well head in upstream of the pipeline under the ocean 11, in particular to pipeline under the ocean 11 connects with seabed manifold
The initial position connect, and it is located at the downstream of seabed manifold.
The subsea control modules 50 include: communication instruction module, and sea control platform communication connection, according to reception
The cleaning control signal control seawater injection flow assurance system work arrived；Temperature control modules pass through circuit with heating component
Connection controls heating component operation according to the ocean temperature stored in water tank 25；Power module, the electricity with sea control platform
Source provides operating voltage by circuit connection.
Wherein, the communication instruction module passes through subsea umbilical cable and sea control platform communication connection.
Wherein, the power supply of the sea control platform first pass around subsea umbilical cable be delivered to setting it is underwater electro-hydraulic
Distribution module, then it is delivered to the power module of subsea control modules 50 via the winged cable of electricity, so that power adaptation is supplied to this reality
Flow assurance system is injected with novel seawater, it is ensured that required operating voltage.
The water inlet component includes: water inlet pipe 20, and water inlet connects seawater, and water outlet connects water tank 25；Suction pump 22,
It is arranged on water inlet pipe 20, passes through circuit connection, the communication instruction module root with the communication instruction module of subsea control modules 50
According to the cleaning control signal received, controls suction pump 22 and pump seawater.
Wherein, the suction pump 22 is connected to the communication instruction module and power supply of subsea control modules 50 by the winged cable of electricity
Module, and operating voltage is provided by power module.
Further, the water inlet component also includes: the water inlet of water inlet pipe 20, filtering sea is arranged in screen cover 21
In bulky grain suspended matter；Coarse filter 23 is arranged on water inlet pipe 20, between suction pump 22 and water tank 25, filtering sea
Large granular impurity in water；Fine filtrator 24 is arranged on water inlet pipe 20, between coarse filter 23 and water tank 25, filtering
Little particle impurity in seawater.In the utility model, by triple by slightly to thin filtering, making to finally enter the sea in water tank 25
Water is able to maintain clean free from admixture.
The heating component includes: temperature sensor 53, and the temperature in water tank 25, with subsea control modules 50 is arranged
Control module is simultaneously transmitted to temperature control modules by circuit connection, the interior ocean temperature stored of detection water tank 25；Electrothermal tube 51,
Be arranged in water tank 25, with the temperature control modules of subsea control modules 50 by circuit connection, the temperature control modules according to
The ocean temperature detected, the control starting of electrothermal tube 51 is to heating of seawater, or stops to heating of seawater.
Wherein, the temperature control modules are previously provided with heating threshold range.When the ocean temperature detected is higher than
When heating the upper limit of threshold range, control electrothermal tube 51 stops to heating of seawater；When the ocean temperature detected is lower than heating threshold
When being worth the lower limit of range, the control starting of electrothermal tube 51 is to heating of seawater；When the ocean temperature detected is in heating threshold range
When interior, control electrothermal tube 51 maintains current working status.To, the utility model can according to the feedback of temperature sensor 53,
Under the control of temperature control modules, reach the excessively high function of stopping heating, the too low starting heating of temperature of temperature.
Wherein, the ocean temperature that the temperature control modules will test is controlled by communication instruction module transfer to sea
Platform processed, and by man-machine processing interface display, convenient for the observation analysis of sea staff.
Further, the heating component also includes: wall-through electric connection 52, and the tail end of electrothermal tube 51, and and water is arranged in
The temperature control modules of lower control module 50 pass through circuit connection.
The water treatment component includes: outlet pipe 29, and water inlet connects water tank 25, and water outlet connects pipe line under the ocean
Road 11；Deoxidier module 26, built-in deoxidier are arranged on outlet pipe 29, reduce the content of Dissolved Oxygen in Seawater；Chemical agent
Module 27, built-in scale preventative are arranged on outlet pipe 29, between deoxidier module 26 and pipeline under the ocean 11, inhibit
The saline deposit to be formed is reacted with crude oil after seawater injection pipeline under the ocean 11；Booster pump 28 is arranged on outlet pipe 29,
Pass through electricity between chemical agent module 27 and pipeline under the ocean 11, and with the communication instruction module of subsea control modules 50
Road connection, the communication instruction module control booster pump 28 and seawater pressurize and inject seabed according to the cleaning control signal received
Oil pipeline 11.
Wherein, the recyclable replacement of the chemical agent module 27.Preferably, it is needed by the actual job of different marine oil fields
It asks, it is replaceable in chemical agent module 27 to place different types of chemical agent, above-mentioned inhibition can be not only placed into dirt
Scale preventative, additionally it is possible to place the fungicide etc. of the corrosion inhibiter for delaying corrosion or degerming sterilization.
Wherein, the booster pump 28 is connected to the communication instruction module and power supply of subsea control modules 50 by the winged cable of electricity
Module, and operating voltage is provided by power module.
In the utility model, the pipeline under the ocean seawater injects flow assurance system, also includes: 2 cun of gate valves 30,
The water outlet of outlet pipe 29 is set, i.e., between booster pump 28 and pipeline under the ocean 11, the hydraulic actuating of the gate valve 30
The communication instruction module of device and subsea control modules 50 is by circuit connection, according to communication instruction module according to the cleaning received
Control signal, control hydraulic actuator are provided hydraulic power input to gate valve 30 by hydraulic line, are opened with control gate valve 30,
Seawater is injected to pipeline under the ocean 11.When communication instruction module does not receive cleaning control signal, control hydraulic actuator is logical
It crosses hydraulic line to stop providing hydraulic power input to gate valve 30, so that the closing of control gate valve 30, also just stops to submarine oil-transportation
Pipeline 11 injects seawater.
Further, the gate valve 30 is connect by flange with pipeline under the ocean 11, and by being welded on submarine oil-transportation
Valve block 31 is integrally formed on pipeline 11.
In the utility model, the pipeline under the ocean seawater injects flow assurance system, also includes: pressure sensor
54, it is arranged on outlet pipe 29, between booster pump 28 and pipeline under the ocean 11, detects the internal pressure of outlet pipe 29.
The subsea control modules 50 also include: pressure monitoring module, with pressure sensor 54 by circuit connection, connect
Receive the internal pressure for the outlet pipe 29 that pressure sensor 54 detects.
Wherein, the internal pressure for the outlet pipe 29 that the pressure monitoring module will test is passed by communication instruction module
Sea control platform is transported to, and by man-machine processing interface display, convenient for the observation analysis of sea staff.
In the utility model, the pipeline under the ocean seawater injects flow assurance system, also includes: steel structure casing
12, the seawater injection flow assurance system is arranged inside the steel structure casing 12, can integrally carry out seabed installation, and rise
To the seal protection function of anticorrosive compressive.
Pipeline under the ocean seawater described in the utility model injects flow assurance system, needs after marine oil field is evaluated
When clearing up pipeline under the ocean 11, remote control command is sent to subsea control modules 50 by sea control platform, from
And starts seawater injection flow assurance system and carry out prune job.Firstly, control suction pump pumping seawater, by triple mistakes
Clean seawater is injected in filter into water tank 25.According to the ocean temperature in the water tank 25 detected, control electrothermal tube begin to warm up or
Stop heating, cold and hot temperature seawater appropriate made to continue flow through deoxidier module 26 and chemical agent module 27, by deoxidation and
After scale suppression processing, control gate valve 30 is opened, and controls booster pump pressurization, and seawater is injected in pipeline under the ocean 11, so as to
It is enough that the deposits such as wax deposition, the hydrate of its inside are effectively cleared up, to maximize the conveying energy of pipeline under the ocean 11
Power ensures the production efficiency of marine oil field.
In conclusion pipeline under the ocean seawater described in the utility model injects flow assurance system, in entire ocean
In the service life in oil field, pipeline under the ocean inside is cleared up using the seawater after heating and chemical pretreatment, is alleviated
Or the deposits such as wax deposition, hydrate caused by eliminating because of crude oil condensation, it is allowed to be re-converted into flowable oil stream, it is ensured that seabed
Oil gas flowing in oil pipeline, restores and maximizes the conveying capacity of pipeline under the ocean, ensure and improve marine oil field
Production of hydrocarbons efficiency.
It is discussed in detail although the content of the utility model has passed through above preferred embodiment, but it should be appreciated that on
The description stated is not considered as limitations of the present invention.After those skilled in the art have read above content, for
A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the protection scope of the utility model should be by appended
Claim limit.
Claims (10)
1. a kind of pipeline under the ocean seawater injects flow assurance system, which is characterized in that the sea being laid on sea bed is arranged in
At the nearly well head in the upstream of bottom oil pipeline；Include:
Subsea control modules；
Water inlet component pumps seawater by subsea control modules control with subsea control modules by circuit connection；
Water tank stores the seawater pumped with water inlet component by piping connection；
Heating component is arranged in water tank, with subsea control modules by circuit connection, controls heating water by subsea control modules
Seawater in case；
Water treatment component is connected with subsea control modules by circuit with water tank and pipeline under the ocean by piping connection
It connects, the seawater after heating is chemically treated, and infused the seawater after heating and chemical treatment by subsea control modules control
Enter pipeline under the ocean, the deposit in pipeline under the ocean is cleared up.
2. pipeline under the ocean seawater as described in claim 1 injects flow assurance system, which is characterized in that described is underwater
Control module includes:
Communication instruction module is believed by subsea umbilical cable and sea control platform communication connection according to the cleaning control received
Number control seawater injection flow assurance system work；
Temperature control modules control heating component according to the ocean temperature stored in water tank by circuit connection with heating component
Operation；
Power module, the power supply with sea control platform provide operating voltage by circuit connection.
3. pipeline under the ocean seawater as claimed in claim 2 injects flow assurance system, which is characterized in that the water inlet
Component includes:
Water inlet pipe, water inlet connect seawater, and water outlet connects water tank；
Suction pump is arranged on water inlet pipe, and with communication instruction module by circuit connection, the communication instruction module is according to receiving
Cleaning control signal, control suction pump pump seawater.
4. pipeline under the ocean seawater as claimed in claim 3 injects flow assurance system, which is characterized in that the water inlet
Component also includes:
The water inlet of water inlet pipe, the bulky grain suspended matter in filtering sea is arranged in screen cover；
The large granular impurity on water inlet pipe, between suction pump and water tank, in filtering sea is arranged in coarse filter；
The little particle impurity on water inlet pipe, between coarse filter and water tank, in filtering sea is arranged in fine filtrator.
5. pipeline under the ocean seawater as claimed in claim 2 injects flow assurance system, which is characterized in that the heating
Component includes:
Temperature sensor is arranged in water tank, passes through circuit connection, the interior sea water temperature stored of detection water tank with temperature control modules
It spends and is transmitted to temperature control modules；
Electrothermal tube is arranged in water tank, passes through circuit connection with temperature control modules；
The temperature control modules control electrothermal tube starting to heating of seawater, or stopping pair according to the ocean temperature detected
Heating of seawater, and the ocean temperature that will test passes through communication instruction module transfer to sea control platform.
6. pipeline under the ocean seawater as claimed in claim 2 injects flow assurance system, which is characterized in that the water quality
Processing component includes:
Outlet pipe, water inlet connect water tank, and water outlet connects pipeline under the ocean；
Deoxidier module, built-in deoxidier are arranged on outlet pipe, reduce the content of Dissolved Oxygen in Seawater；
Chemical agent module, built-in scale preventative are arranged on outlet pipe, between deoxidier module and pipeline under the ocean,
The saline deposit to be formed is reacted with crude oil after inhibiting seawater injection pipeline under the ocean；
Booster pump, be arranged on outlet pipe, between chemical agent module and pipeline under the ocean, and with communication instruction module
By circuit connection, which controls booster pump and seawater pressurizes and inject according to the cleaning control signal received
Pipeline under the ocean.
7. pipeline under the ocean seawater as claimed in claim 6 injects flow assurance system, which is characterized in that also include lock
The water outlet of outlet pipe is arranged in, between booster pump and pipeline under the ocean in valve；
The hydraulic actuator and communication instruction module of the gate valve are by circuit connection, according to communication instruction module according to reception
The cleaning control signal arrived, control hydraulic actuator provide hydraulic power input to gate valve by hydraulic line, and control gate valve is beaten
It opens, injects seawater to pipeline under the ocean.
8. pipeline under the ocean seawater as claimed in claim 6 injects flow assurance system, which is characterized in that also include pressure
Sensor is arranged on outlet pipe, between booster pump and pipeline under the ocean, detects the internal pressure of outlet pipe.
9. pipeline under the ocean seawater as claimed in claim 8 injects flow assurance system, which is characterized in that described is underwater
Control module also includes pressure monitoring module, and with pressure sensor by circuit connection, what reception pressure sensor detected goes out
The internal pressure of water pipe, and pass through communication instruction module transfer to sea control platform.
10. pipeline under the ocean seawater as described in claim 1 injects flow assurance system, which is characterized in that also include steel
Structural housing, the seawater injection flow assurance system are arranged inside the steel structure casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822061554.9U CN209287887U (en) | 2018-12-10 | 2018-12-10 | Pipeline under the ocean seawater injects flow assurance system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822061554.9U CN209287887U (en) | 2018-12-10 | 2018-12-10 | Pipeline under the ocean seawater injects flow assurance system |
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| Publication Number | Publication Date |
|---|---|
| CN209287887U true CN209287887U (en) | 2019-08-23 |
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ID=67658100
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822061554.9U Active CN209287887U (en) | 2018-12-10 | 2018-12-10 | Pipeline under the ocean seawater injects flow assurance system |
Country Status (1)
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| CN (1) | CN209287887U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109500011A (en) * | 2018-12-10 | 2019-03-22 | 美钻深海能源科技研发（上海）有限公司 | Pipeline under the ocean seawater injects flow assurance system |
-
2018
- 2018-12-10 CN CN201822061554.9U patent/CN209287887U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109500011A (en) * | 2018-12-10 | 2019-03-22 | 美钻深海能源科技研发（上海）有限公司 | Pipeline under the ocean seawater injects flow assurance system |
| CN109500011B (en) * | 2018-12-10 | 2021-03-23 | 美钻深海能源科技研发（上海）有限公司 | Seawater injection flow guarantee system for submarine oil pipeline |
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