CN110208100A - A kind of key equipment applied to deep-sea oil gas pipeline pressure test operation - Google Patents
A kind of key equipment applied to deep-sea oil gas pipeline pressure test operation Download PDFInfo
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- CN110208100A CN110208100A CN201910503603.6A CN201910503603A CN110208100A CN 110208100 A CN110208100 A CN 110208100A CN 201910503603 A CN201910503603 A CN 201910503603A CN 110208100 A CN110208100 A CN 110208100A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a kind of key equipments applied to deep-sea oil gas pipeline pressure test operation; it include: pressure testing adjusting and control system, chemical injection system, data acquisition and Transmission system, holding pressure control system, auxiliary system; immersion seawater filter, underwater pressure test pump, underwater throttling and control system, underwater flowmeter, underwater barometer and pressure sensor; system above no more than the application of the 2000m depth of water according to being designed and meet the requirement of underwater anti-corrosion material; and it is connected by skid module, the fender bracket of setting tower structure outside system above；Pressure testing operating equipment all underwater arrangements can be achieved in the present invention, reduce the disadvantages of conventional pigging operation ground installation is more, occupied space is big, input cost is high, high-voltage safety hidden danger is more, improve deep underwater pipes pressure testing operating efficiency.
Description
Technical field
The present invention relates to marine worker and deep-sea field more particularly to a kind of keys applied to deep-sea oil gas pipeline pressure test operation
Equipment.
Background technique
Global deep sea equipment technology is flourishing, and technological innovation emerges one after another, and operating water depth is more far-reaching, ocean dress
It is standby to develop to automation, greenization, integrated, intelligent direction.
Deep-sea is the following marine petroleum development " main battle ground ".It is limited by the factors such as engineering unit capability and technical level limit
System, China's offshore oil and gas field exploitation depth of water temporarily concentrates within 300 meters, big with domestic and international blue water oil gas field resource
Power exploitation, the extensive use of submarine pipeline and seabed underwater units, submarine pipeline work pressure test amount are also increasing year by year.It is new to be laid with
Submerged pipeline be required to before operation to carry out it pressure testing processing construction, to guarantee that submerged pipeline internal pressure is stable, pipeline
It is flawless, good condition is created for the offshore platform submerged pipeline that comes into operation, ensure that the normal use of submerged pipeline.
As marine drilling develops to deep-sea, associated more and more difficult, the ground pressure testing equipment of pipeline pressure test work
The pressure testing job requirements that land and shallow water pipeline can be met, for deep underwater pipes pressure testing operation, required ground installation quantity
It is more, in order to overcome deep-water pressure and on-way resistance, high-power complete operating equipment is needed, to ship arrangement space, high-power
Equipment input cost proposes high requirement, meanwhile, ground installation causes the personal safety of operating personnel due to operating conditions such as high pressures
It threatens.Domestic at present there are no the pressure testing job requirements that ground installation can satisfy deep-sea, long-distance pipe, while being suitable for deep
The pipeline pressure test equipment of water is also blank.
Deepwater petroleum exploration is developed still in its infancy, is badly in need of advanced technology and equipment and is supported.It is more and more
Pipelines in deep sea pressure testing operation, there is an urgent need to it is a kind of can operation under water pressure testing operating equipment.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, a kind of key applied to deep-sea oil gas pipeline pressure test operation is provided and is set
It is standby, i.e. underwater pressure test equipment, it can be achieved that the whole underwater arrangement of pressure testing operating equipment, reduce conventional pigging operation ground installation it is more,
The disadvantages of occupied space is big, input cost is high, high-voltage safety hidden danger is more improves deep underwater pipes pressure testing operating efficiency.
In order to achieve the above objectives, the technical solution adopted by the present invention are as follows: one kind is applied to the operation of deep-sea oil gas pipeline pressure test
Key equipment, comprising: pressure testing adjusting and control system, chemical injection system, data acquisition and Transmission system, pressure maintaining control
System processed, auxiliary system, immersion seawater filter, underwater pressure test pump, underwater throttling and control system, underwater flowmeter, water
Lower pressure gauge and pressure sensor, system above are designed according to no more than the application of the 2000m depth of water and meet underwater anti-corrosion
Material requirement, and connected by skid module, the fender bracket of setting tower structure outside system above.
In a preferred embodiment of the present invention, the pressure testing adjusting and control system include at least three cylinder columns of submerged applications
Fill in pump, seawater isolating valve, submerged applications hydraulic system.
In a preferred embodiment of the present invention, the plunger pump provides liquid as pressure testing equipment using the auxiliary hydraulic system of ROV
Pressure power.The quick connection that ROV and equipment are realized by underwater hydraulic hot plug tool, by controlling ROV flow rate of hydraulic system
And pressure, it realizes bath flow and the pressure control from plunger pump not less than 20L/min@75MPa and adjusts.Submerged applications are hydraulic
System designs deep-water pressure compensation and balance system, can be according to different sea water advanced automatic adjustment hydraulic systems and extraneous hydraulic pressure
Balance.
In a preferred embodiment of the present invention, the holding pressure control system includes at least double isolating devices, temperature and pressure
Sensing detection device and safety relief device.
In a preferred embodiment of the present invention, the chemical injection system include at least underwater chemical agent tank 10,
Chemical agent exhaust system, chemical agent injected system, chemical agent filtering and regulating system, chemical agent supplement fast interface under water.Change
It learns agent and realizes according to main pipeline changes in flow rate and chemical agent filtering and regulating system by venturi principle and be not less than 300ppm
It is injected with the proportion of the various concentration of 1000ppm.Chemical agent tank 10 itself has Underwater Pressure compensation ability, can be according in tank
The consumption of chemical agent constantly adjusts volume, realizes internal and external pressure balance, it can be achieved that being not less than the application of 2000 meters of depth of water, and each
Injection, discharge, control can be implemented separately in independent chemical agent tank 10, and underwater ROV hot-plug interface is separately configured in each tank,
The underwater supply filling of chemical agent in real time can be achieved.
In a preferred embodiment of the present invention, the chemical agent tank 10 is one or more, each chemical agent
Tank 10 is respectively provided with underwater ROV hot-plug interface.
In a preferred embodiment of the present invention, the data acquisition and Transmission system include at least injection seawater flow metering
And control system, chemical agent inject flow measurement and control system, sea water advanced and temperature measurement system, system discharge pressure meter
Amount system, underwater data display system, underwater data wireless transmitting system.Whole system can be to the flow in operation process, pressure
The data such as power, depth, temperature are acquired in real time, and are sent by underwater sound transmitter, receive number by nautical receiving set on ROV
According to being sent to Chuan Shang control centre by umbilical cables, it can be achieved that the functions such as underwater real-time display and data waterborne downloading.This sets
It is standby to go back innovative design with ROV docking platform and for the valve and meter interface of ROV operation, to realize ROV to underwater clear
The operation of tube apparatus.
In a preferred embodiment of the present invention, the underwater data display system connects instrument face plate.
In a preferred embodiment of the present invention, the auxiliary system includes at least mud mat, anti-corrosion protection, external equipment and connects
It connects.Complete equipment design has the mud mat for adapting to seabed difference soil property, can control contact pressure within 5kpa, to differently
Matter can ensure operation stability completely.Complete equipment designs two sets of anti-corrosion measures, first is that design is suitable for the sun of underwater equipment
Equipment and component are protected in pole protection in the way of sacrificial anode, and the whole design service life is not less than 5 years, on the other hand, according to water
The spraying of lower equipment surface layer and requirement for anticorrosion design spraying.To adapt to underwater quick despatch, extend hose on deep-sea pressure testing equipment
As charging pipe, there is the quick coupling of underwater hot plug in the design of water-filling tube end, can assist realizing and serving a ball on cylinder by ROV
The underwater quick connection of interface.After operation, bath hose can be directly wound in around equipment, reduced underwater ROV and made
The workload of industry.
In a preferred embodiment of the present invention, the immersion seawater filter implemented the seawater for flowing through its own
Filter, chemical agent injection, pressure/flow metering, and operation and continuous data are recorded in self-contained data collection system
On.
Immersion seawater filter, underwater pressure test pump, underwater section are integrated in a preferred embodiment of the present invention, in equipment
Stream and all pressure testing holding equipments such as control system, underwater flowmeter, underwater barometer and pressure sensor, data collection system
It is a kind of highly integrated underwater equipment.
In a preferred embodiment of the present invention, equipment is integral frame-type structure, and outer framework is pumping system, chemical agent note
The offers such as system, electrical system, hydraulic system protection and the fixed installation of ancillary equipment are provided.
In a preferred embodiment of the present invention, in pressure testing operation process, the hydraulic pump of ROV provides dynamic for the hydraulic test pump in sledge
Power implements extra large pipe pressure testing.
In a preferred embodiment of the present invention, pigging sledge entry design filter, filtering accuracy is not less than 50 μm, avoids
This stage enters gravel and organic-biological in pipeline, and is not less than 5 μm of filtering in plunger pump entry design filtering accuracy
Device is prolonged the service life with protecting plunger pump.
In a preferred embodiment of the present invention, which implements filtering to the seawater for flowing through its own, chemical agent injects,
The operations such as pressure/flow metering, and operation and continuous data are recorded in self-contained data collection system.
In a preferred embodiment of the present invention, multiple chemical agent injection tanks are configured, realize the same of at least two chemical agents
When inject, can the corresponding underwater chemical agent tank 10 of external extension as needed.
In a preferred embodiment of the present invention, to adapt to underwater connection, extend seabed jumper hose on underwater pressure test sledge
As pressure testing pipe, the quick coupling of underwater hot plug is had in pressure testing tube end, can be achieved and served a ball on cylinder under the auxiliary of ROV
The underwater quick connection of interface.
The invention solves the defect existing in the background technology, the present invention have it is following the utility model has the advantages that
(1) a complete set of equipment of the present invention may be directly applied to underwater 2000 meters of depth of water, can avoid causing because the depth of water increases
Pressure testing operating equipment quantity in ground is more, required power is big, occupies ship area reaches, input cost height, high pressure operating risk etc.
Disadvantage minimizes resource needed for operation, assigns extra large pipe pressure testing safer, economic operation mode, it is pre- to promote deep water sea pipe
The economy of Task of Debugging, while pressure testing operation investment is greatly reduced.
(2) pressure testing adjusting of the present invention and control system realize the quick of ROV and equipment by underwater hydraulic hot plug tool
Connection realizes the bath flow for being not less than 20L/min@75MPa from plunger pump by control ROV flow rate of hydraulic system and pressure
And pressure is controlled and is adjusted.The compensation of submerged applications design of Hydraulic System deep-water pressure and balance system, can be deep according to different seawater
Spend the balance of flexible automatic adjusting hydraulic system and extraneous hydraulic pressure；Holding pressure control system can realize pressure maintaining, inspection after pressure testing
It surveys, and can realize the setting of at least three kinds or more of safety relief value.
(3) chemical agent is filtered and is adjusted according to main pipeline changes in flow rate and chemical agent by venturi principle in the present invention
System realizes the proportion injection of the various concentration not less than 300ppm and 1000ppm.Chemical agent tank 10 itself has underwater pressure
Force compensating ability can constantly adjust volume according to the consumption of chemical agent in tank, realize internal and external pressure balance, it can be achieved that being not less than
The application of 2000 meters of depth of water, and injection, discharge, control, and each tank list can be implemented separately in each independent chemical agent tank 10
Underwater ROV hot-plug interface is solely configured, it can be achieved that the underwater supply filling of chemical agent in real time.
(4) whole system of the present invention can adopt in real time the data such as flow, pressure, depth, temperature in operation process
Collection, and sent by underwater sound transmitter, data are received by nautical receiving set on ROV, is sent on ship and is controlled by umbilical cables
Center is, it can be achieved that the functions such as underwater real-time display and data waterborne downloading.This equipment also innovative design and ROV docking platform
With the valve and meter interface operated for ROV, to realize operation of the ROV to underwater pigging equipment.
(5) complete equipment of the present invention designs two sets of anti-corrosion measures, first is that design is suitable for the anodic protection of underwater equipment, benefit
Equipment and component are protected with the mode of sacrificial anode, the whole design service life is not less than 5 years, on the other hand, according to underwater equipment table
Layer spraying and requirement for anticorrosion design spraying, the fender bracket of tower structure can provide protection and ancillary equipment for internal unit
It is fixedly mounted.
(6) achievable pressure testing operating equipment of the invention is all underwater arranges, the conventional pigging operation ground installation of reduction is more, accounts for
With the disadvantages of space is big, input cost is high, high-voltage safety hidden danger is more, deep underwater pipes pressure testing operating efficiency is improved.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples；
Fig. 1 is the three-dimensional structure diagram of the preferred embodiment of the present invention；
Fig. 2 is the schematic illustration of the preferred embodiment of the present invention；
In figure: fender bracket 1；Mud mat 2；Valve 3；Data actuation 4；Instrument face plate 5；Underwater plunger pump 6；Underwater motor 7；
Chemical agent tank expands interface 88；Anodic protection 9；Chemical agent tank 10.
Specific embodiment
Presently in connection with drawings and examples, the present invention is described in further detail, these attached drawings are simplified signal
Figure, the basic structure of the invention will be illustrated schematically only, therefore it only shows the composition relevant to the invention.
It should be noted that it can directly on the other part when component is referred to as " being fixed on " another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.Term as used herein "upper", "lower", "inner", "outside",
"left", "right" and similar statement for illustrative purposes only, are not meant to be the only embodiment.
As shown in Figure 1 and Figure 2, a kind of key equipment applied to deep-sea oil gas pipeline pressure test operation, comprising: pressure testing is adjusted
And control system, chemical injection system, data acquire and Transmission system, holding pressure control system, auxiliary system, immersion sea
Water filter, underwater pressure test pump, underwater throttling and control system, underwater flowmeter, underwater barometer and pressure sensor, it is above
System passes through skid module company according to the requirement of underwater anti-corrosion material is designed and met no more than the application of the 2000m depth of water
It connects, the fender bracket 1 of setting tower structure outside system above.
Specifically, pressure testing adjusting and control system include at least the three-cylinder plunger pump of submerged applications, seawater isolating valve, underwater
Using hydraulic system.
Specifically, plunger pump provides hydraulic power as pressure testing equipment using the auxiliary hydraulic system of ROV.Pass through underwater hydraulic heat
Plug-pull tool realizes the quick connection of ROV and equipment, by control ROV flow rate of hydraulic system and pressure, realizes from plunger pump not
Bath flow and pressure control and adjusting lower than 20L/min@75MPa.The compensation of submerged applications design of Hydraulic System deep-water pressure
And balance system, it can be according to the balance of different sea water advanced automatic adjustment hydraulic systems and extraneous hydraulic pressure.
Specifically, holding pressure control system includes at least double isolating devices, temperature and pressure sensing detection device and safety
Bleeder.
Specifically, chemical injection system includes at least underwater chemical agent tank 10, chemical agent exhaust system, chemical agent
Injected system, chemical agent filtering and regulating system, chemical agent supplement fast interface under water.Chemical agent by venturi principle according to
Main pipeline changes in flow rate and chemical agent filtering and regulating system realize matching for the various concentration not less than 300ppm and 1000ppm
Than injection.Chemical agent tank 10 itself has Underwater Pressure compensation ability, can be according to the continuous adjusting body of consumption of chemical agent in tank
Product realizes internal and external pressure balance, it can be achieved that being not less than the application of 2000 meters of depth of water, and each independent chemical agent tank 10 can be single
Solely realize that underwater ROV hot-plug interface is separately configured, it can be achieved that underwater chemical agent in real time is mended in injection, discharge, control, and each tank
To filling.
Specifically, chemical agent tank 10 is one or more, and each chemical agent tank 10 is respectively provided with underwater ROV hot plug and connects
Mouthful.
Specifically, data acquisition and Transmission system include at least the metering of injection seawater flow and control system, chemical agent note
Inbound traffics metering and control system, sea water advanced and temperature measurement system, system discharge pressure metering system, underwater data are shown
System, underwater data wireless transmitting system.Whole system can to the data such as flow, pressure, depth, temperature in operation process into
Row acquisition in real time, and sent by underwater sound transmitter, data are received by nautical receiving set on ROV, are sent to by umbilical cables
Chuan Shang control centre is, it can be achieved that the functions such as underwater real-time display and data waterborne downloading.This equipment also innovative design and ROV
Docking platform and the valve 3 and meter interface operated for ROV, to realize operation of the ROV to underwater pigging equipment.
Specifically, underwater data display system connects instrument face plate 5.
Specifically, auxiliary system includes at least mud mat 2, anti-corrosion protection, external equipment connection.Complete equipment design has suitable
The mud mat 2 of seabed difference soil property is answered, contact pressure can be controlled within 5kpa, operation can be ensured completely to differently matter
Stability.Complete equipment designs two sets of anti-corrosion measures, first is that design is suitable for the anodic protection 9 of underwater equipment, it is positive using sacrificing
The mode of pole protects equipment and component, and the whole design service life is not less than 5 years, on the other hand, according to the spraying of underwater equipment surface layer and
Requirement for anticorrosion design spraying.To adapt to underwater quick despatch, extend hose as charging pipe, in water-filling on deep-sea pressure testing equipment
Tube end designs the quick coupling for having underwater hot plug, and realization can be assisted quickly to connect with the underwater of interface on service cylinder by ROV
It connects.After operation, bath hose can be directly wound in around equipment, reduce the workload of underwater ROV operation.
Specifically, immersion seawater filter to flow through its own seawater implement filtering, chemical agent injection, pressure/
Flow measurement, and operation and continuous data are recorded in self-contained data collection system.
As shown in Figure 1, being pressure testing equipment structural schematic diagram.Immersion seawater filter, underwater pressure test are integrated in equipment
All examinations such as pump, underwater throttling and control system, underwater flowmeter, underwater barometer and pressure sensor, data collection system
Pressure holding equipment is a kind of highly integrated underwater equipment；
Specifically, equipment be integral frame-type structure, outer framework be pumping system, chemical agent injected system, electrical system,
The fixed installation of the offers such as hydraulic system protection and ancillary equipment；
Specifically, in pressure testing operation process, the hydraulic pump of ROV provides power for the hydraulic test pump in sledge, implements extra large pipe pressure testing；
Specifically, pigging sledge entry design filter, filtering accuracy be not less than 50 μm, avoid this stage make gravel and
Organic-biological enters in pipeline, and is not less than 5 μm of filter device in plunger pump entry design filtering accuracy, to protect plunger
Pump, prolongs the service life；
Specifically, which implements filtering, chemical agent injection, pressure/flow metering etc. to the seawater for flowing through its own
Operation, and operation and continuous data are recorded in self-contained data collection system；
Specifically, multiple chemical agent injection tanks are configured, are injected while realizing at least two chemical agents, it can be outer as needed
Connect the corresponding underwater chemical agent tank 10 of extension；
Specifically, to adapt to underwater connection, extend seabed jumper hose as pressure testing pipe, in pressure testing on underwater pressure test sledge
Tube end has the quick coupling of underwater hot plug, can be achieved quickly to connect with the underwater of interface on service cylinder under the auxiliary of ROV
It connects；
As shown in Fig. 2, the seawater injection that filtration system can meet minimum 60L/min requires, and at least 50 μm of filtering
Precision, a whole set of filtration system are finished detachably by flanged joint, operation, and carry out clean and maintenance to equipment inside.Operation is opened
Beginning is operated with ROV first, and ROV itself hydraulic system is quickly established connection by underwater hot plug device and pressure testing equipment.
By in the seawater isolating device and chemical agent injected system in seawater filtering system chemical agent isolating device, in pressure-retaining system
Double isolating devices are opened, and are opened ROV hydraulic system feed system and are driven the underwater work of plunger pump 6, it can be achieved that not low 20L/min
The bath flow and pressure of 75MPa is controlled and is adjusted, and passes through the characteristic of the venturi pump in chemical agent injected system, flow tune
Section requires the proportion injection for realizing the various concentration not less than 300ppm and 1000ppm.
The above operation can directly be operated by the underwater ROV control panel in Fig. 2, reduce motion range and the movement of ROV
Amount, avoids the risk for twining cable under water.Meanwhile the data such as flow, pressure, depth, temperature in operation process are acquired in real time,
And sent by underwater sound transmitter, data are received by nautical receiving set on ROV, are sent on ship in control by umbilical cables
The heart is, it can be achieved that the functions such as underwater real-time display and data waterborne downloading.
Based on the above description of the preferred embodiments of the present invention, through the above description, related personnel completely can be with
Without departing from the scope of the technological thought of the present invention', various changes and amendments are carried out.The technical scope of this invention
It is not limited to the contents of the specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (10)
1. a kind of key equipment applied to deep-sea oil gas pipeline pressure test operation characterized by comprising pressure testing adjusts and control
System, chemical injection system, data acquisition and Transmission system, holding pressure control system, auxiliary system, immersion sea water filter
Device, underwater pressure test pump, underwater throttling and control system, underwater flowmeter, underwater barometer and pressure sensor, system above are equal
It requires according to being designed no more than the application of the 2000m depth of water and meeting underwater anti-corrosion material, and is connected by skid module, it is above
The fender bracket of exterior setting tower structure.
2. a kind of key equipment applied to deep-sea oil gas pipeline pressure test operation according to claim 1, it is characterised in that:
The pressure testing adjusting and control system include at least three-cylinder plunger pump, seawater isolating valve, the submerged applications hydraulic pressure system of submerged applications
System.
3. a kind of key equipment applied to deep-sea oil gas pipeline pressure test operation according to claim 2, it is characterised in that:
The plunger pump provides hydraulic power as pressure testing equipment using the auxiliary hydraulic system of ROV.
4. a kind of key equipment applied to deep-sea oil gas pipeline pressure test operation according to claim 1, it is characterised in that:
The holding pressure control system includes at least double isolating devices, temperature and pressure sensing detection device and safety relief device.
5. a kind of key equipment applied to deep-sea oil gas pipeline pressure test operation according to claim 1, it is characterised in that:
The chemical injection system includes at least underwater chemical agent tank 10, chemical agent exhaust system, chemical agent injected system, changes
It learns agent filtering and regulating system, chemical agent supplements fast interface under water.
6. a kind of key equipment applied to deep-sea oil gas pipeline pressure test operation according to claim 5, it is characterised in that:
The chemical agent tank 10 is one or more, and each chemical agent tank 10 is respectively provided with underwater ROV hot-plug interface.
7. a kind of key equipment applied to deep-sea oil gas pipeline pressure test operation according to claim 1, it is characterised in that:
Data acquisition and Transmission system include at least the metering of injection seawater flow and control system, chemical agent injection flow measurement and
Control system, sea water advanced and temperature measurement system, system discharge pressure metering system, underwater data display system, underwater number
According to wireless transmitting system.
8. a kind of key equipment applied to deep-sea oil gas pipeline pressure test operation according to claim 7, it is characterised in that:
The underwater data display system connects instrument face plate.
9. a kind of key equipment applied to deep-sea oil gas pipeline pressure test operation according to claim 1, it is characterised in that:
The auxiliary system includes at least mud mat, anti-corrosion protection, external equipment connection.
10. a kind of key equipment applied to deep-sea oil gas pipeline pressure test operation according to claim 1, feature exist
In: the immersion seawater filter implements filtering, chemical agent injection, pressure flow metering to the seawater for flowing through its own,
And operation and continuous data are recorded in self-contained data collection system.
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| CN201910503603.6A CN110208100A (en) | 2019-06-12 | 2019-06-12 | A kind of key equipment applied to deep-sea oil gas pipeline pressure test operation |
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Application publication date: 20190906 |