CN110454448A - A kind of electric-hydraulic combined formula hydraulic power unit control system of subsea production tree - Google Patents

A kind of electric-hydraulic combined formula hydraulic power unit control system of subsea production tree Download PDF

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Publication number
CN110454448A
CN110454448A CN201910841118.XA CN201910841118A CN110454448A CN 110454448 A CN110454448 A CN 110454448A CN 201910841118 A CN201910841118 A CN 201910841118A CN 110454448 A CN110454448 A CN 110454448A
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pressure
hydraulic
low
output end
valve
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彭起栋
董明明
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Wittley (shenzhen) Fluid Engineering Co Ltd
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Wittley (shenzhen) Fluid Engineering Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/01Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02Installations or systems with accumulators
    • F15B1/024Installations or systems with accumulators used as a supplementary power source, e.g. to store energy in idle periods to balance pump load
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04Special measures taken in connection with the properties of the fluid
    • F15B21/041Removal or measurement of solid or liquid contamination, e.g. filtering
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/20576Systems with pumps with multiple pumps
    • F15B2211/20592Combinations of pumps for supplying high and low pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/212Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/615Filtering means

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

The invention discloses a kind of electric-hydraulic combined formula hydraulic power unit control systems of subsea production tree, including hydraulic oil filtration system, high-pressure hydraulic, low-pressure hydraulic system, high pressure voltage-regulating system and low pressure voltage-regulating system;While the hydraulic oil filtration system provides clean hydraulic oil for control system, hydraulic oil input is provided for high and low pressure hydraulic system;While the high-pressure hydraulic provides high-pressure and hydraulic output and emergency power supply for control system, the input of high pressure liquid pressure oil is provided for high pressure voltage-regulating system;While the low-pressure hydraulic system provides low-pressure hydraulic output and emergency power supply for control system, low-pressure hydraulic oil input is provided for low pressure voltage-regulating system;The output end of the high and low pressure voltage-regulating system is connected with umbilical cables terminal.The present invention solves that hydraulic pressure transfer speed existing for existing control system is slow, and cleanliness of hydraulic oil is not high, and valve switch responds the technical problem of the subsea fields security controls such as inaccuracy, and realizes the multiple well control of subsea field.

Description

A kind of electric-hydraulic combined formula hydraulic power unit control system of subsea production tree
Technical field
The present invention relates to subsea production tree production control system, in particular to a kind of electric-hydraulic combined formula of subsea production tree is hydraulic Power unit control system.
Background technique
Offshore oil Underwater Engineering equipment mainly includes drilling riser guard system, subsea production tree, subsea manifold system, water Lower basal disc, electric-hydraulic combined formula control system etc..Electric-hydraulic combined formula control system is due to stable working, convenient for manipulation and long-range control System, is widely used in Subsea Production Control System.But the electric-hydraulic combined formula hydraulic power unit control system of current subsea production tree The problems such as existing hydraulic pressure transfer speed is slow, and cleanliness of hydraulic oil is not high and valve switch response is inaccurate.Therefore it especially needs A kind of electric-hydraulic combined formula hydraulic power unit control system of subsea production tree is wanted, to solve the technology hardly possible of subsea field security control Topic, and realize the multiple well control of subsea field.
Summary of the invention
The purpose of the present invention is overcoming deficiency in the prior art, it is hydraulic dynamic to provide a kind of electric-hydraulic combined formula of subsea production tree Power unit control system, to solve hydraulic biography existing for the electric-hydraulic combined formula hydraulic power unit control system of existing subsea production tree Pass that speed is slow, cleanliness of hydraulic oil is not high and the technical problem of the subsea fields security control such as valve switch response inaccuracy, And realize the multiple well control of subsea field.
The technical scheme adopted by the invention is that: a kind of subsea production tree electric-hydraulic combined formula hydraulic power unit control system System, including hydraulic oil filtration system, high-pressure hydraulic, low-pressure hydraulic system, high pressure voltage-regulating system and low pressure voltage-regulating system;
The output end of the hydraulic oil filtration system respectively with the high-pressure hydraulic and the low-pressure hydraulic system Input terminal is connected, while providing clean hydraulic oil for the electric-hydraulic combined formula hydraulic power unit control system of subsea production tree, Hydraulic oil input is provided for the high-pressure hydraulic and the low-pressure hydraulic system;
The output end of the high-pressure hydraulic is connected with the input terminal of the high pressure voltage-regulating system, is subsea production tree electricity It is the high pressure pressure regulation while liquid composite hydraulic power unit control system provides high-pressure and hydraulic output and emergency power supply System provides the input of high pressure liquid pressure oil;
The output end of the low-pressure hydraulic system is connected with the input terminal of the low pressure voltage-regulating system, is subsea production tree electricity It is the low pressure pressure regulation while liquid composite hydraulic power unit control system provides low-pressure hydraulic output and emergency power supply System provides low-pressure hydraulic oil input;
The output end of the output end of the high pressure voltage-regulating system and the low pressure voltage-regulating system passes through quick coupling and navel Band cable terminal is connected, and the high pressure voltage-regulating system provides height for the electric-hydraulic combined formula hydraulic power unit control system of subsea production tree Hydraulic fluid pressure output, the low pressure voltage-regulating system provide low pressure for the electric-hydraulic combined formula hydraulic power unit control system of subsea production tree Hydraulic output.
Further, the hydraulic oil filtration system includes being sequentially connected in series: oil return box, three-way ball valve, filter, circulation Hydraulic pump and oil feeding reservoirs;The input terminal of the three-way ball valve is connected with the output end of the oil return box, the three-way ball valve its In an output end be connected with the input terminal of the filter;The output end of the oil feeding reservoirs respectively with the high-pressure hydraulic It is connected with the input terminal of the low-pressure hydraulic system;Power, which is provided, by the circulation hydraulic pump realizes the oil return box and described The hydraulic oil of oil feeding reservoirs recycles, and the filter realizes the monitoring of online real time filtering and filtering of hydraulic oil, ensures that hydraulic oil is clear Cleanliness grade is met the requirements.
Wherein, the another output of the three-way ball valve is connected with external oil-feed port carries out the filling of hydraulic oil.
Further, the high-pressure hydraulic includes being sequentially connected in series: the first driven high voltage hydraulic pump, the first high pressure list To valve, the first high-pressure safety valve, the first high-pressure manometer, the first high-pressure transmitter, the first high pressure accumulator group and first High pressure filter;The oil feeding reservoirs output end phase of the input terminal of the first driven high voltage hydraulic pump and the hydraulic oil filtration system Even, the output end of first high pressure filter is connected with the input terminal of the high pressure voltage-regulating system;Pass through first high pressure Accumulator group realizes real-time ftercompction to the electric-hydraulic combined formula hydraulic power unit control system of subsea production tree, improves to adopting under water The hydraulic oil supply of oily sap pressure valve and subsea production tree hydraulic valve open response speed.
Wherein, the high-pressure hydraulic further includes the second driven high voltage hydraulic pump as spare, the second electronic height The input terminal of hydraulic fluid press pump is connected with the oil feeding reservoirs output end of the hydraulic oil filtration system, the second driven high voltage hydraulic pump Output end be connected with the second high pressure check valve, it is unidirectional that the output end of second high pressure check valve is connected to first high pressure In the connecting pipeline of valve and first high-pressure safety valve.
Further, the high pressure voltage-regulating system includes the first high pressure branch road and second that output pressure reaches 15000Psi High pressure branch road;
First high pressure branch road includes being sequentially connected in series: the first high-pressure pressure regulating valve, the second high-pressure safety valve, the second high pressure Pressure gauge, the second high-pressure transmitter, the first high-pressure solenoid valve and the first high-pressure flowmeter;First high-pressure pressure regulating valve Input terminal is connected with the first high pressure filter output end of the high-pressure hydraulic;The output end of first high pressure branch road is logical The first high-voltage quick joint is crossed to be connected with the umbilical cables terminal;
Second high pressure branch road includes being sequentially connected in series: the second high-pressure pressure regulating valve, third high-pressure safety valve, third high pressure Pressure gauge, third high-pressure transmitter, the second high-pressure solenoid valve and the second high-pressure flowmeter;Second high-pressure pressure regulating valve Input terminal is connected with the first high pressure filter output end of the high-pressure hydraulic;The output end of second high pressure branch road is logical The second high-voltage quick joint is crossed to be connected with the umbilical cables terminal;
First high pressure branch road and described is realized by first high-pressure solenoid valve and second high-pressure solenoid valve The remote emergency of second high pressure branch road turns off, and realizes high pressure by first high-pressure flowmeter and second high-pressure flowmeter The measurement of hydraulic oil integrated flow.
Further, the low-pressure hydraulic system includes being sequentially connected in series: the first electronic low-pressure hydraulic pump, the first low pressure list To valve, the first low-pressure safety valve, the first low pressure gauge, the first low pressure transmitter, the first low pressure accumulator group and first Low-pressure filter;The input terminal and the oil feeding reservoirs output end phase of the hydraulic oil filtration system of the first electronic low-pressure hydraulic pump Even, the output end of first low-pressure filter is connected with the input terminal of the low pressure voltage-regulating system.
Wherein, the low-pressure hydraulic system further includes that the second electronic low-pressure hydraulic pump conduct is spare, and described second is electronic low The input terminal of hydraulic fluid press pump is connected with the oil feeding reservoirs output end of the hydraulic oil filtration system, the second electronic low-pressure hydraulic pump Output end be connected with the second low pressure check valve, it is unidirectional that the output end of second low pressure check valve is connected to first low pressure In the connecting pipeline of valve and first low-pressure safety valve.
Further, the low pressure voltage-regulating system includes the first low pressure branch and second that output pressure reaches 6000Psi Low pressure branch;
The first low pressure branch includes being sequentially connected in series: the first low pressure regulating pressure valve, the second low-pressure safety valve, the second low pressure Pressure gauge, the second low pressure transmitter, the first low-voltage solenoid valve and the first lowpressure stream meter;First low pressure regulating pressure valve Input terminal is connected with the first low-pressure filter output end of the low-pressure hydraulic system;The output end of the first low pressure branch is logical The first low pressure quick coupling is crossed to be connected with the umbilical cables terminal;
The second low pressure branch includes being sequentially connected in series: the second low pressure regulating pressure valve, third low-pressure safety valve, third low pressure Pressure gauge, third low pressure transmitter, the second low-voltage solenoid valve and the second lowpressure stream meter;Second low pressure regulating pressure valve Input terminal is connected with the first low-pressure filter output end of the low-pressure hydraulic system;The output end of the second low pressure branch is logical The second low pressure quick coupling is crossed to be connected with the umbilical cables terminal;
The first low pressure branch and described is realized by first low-voltage solenoid valve and second low-voltage solenoid valve The remote emergency of second low pressure branch turns off, and realizes low pressure by the first lowpressure stream meter and the second lowpressure stream meter The measurement of hydraulic oil integrated flow.
The beneficial effects of the present invention are: the present invention provides a kind of electric-hydraulic combined formula hydraulic power unit control of subsea production tree System, it is slow to solve hydraulic pressure transfer speed existing for the electric-hydraulic combined formula hydraulic power unit control system of existing subsea production tree, Cleanliness of hydraulic oil is not high and valve switch responds the technical problem of the subsea fields security controls such as inaccuracy, and realizes water The multiple well in lower oil field controls, and output pressure reaches 15000Psi (103MPa).
Detailed description of the invention
A kind of Fig. 1: electric-hydraulic combined formula hydraulic power unit control system schematic diagram of subsea production tree of the present invention;
Attached drawing mark: 1, oil return box;2, three-way ball valve;3, filter;4, hydraulic pump is recycled;5, oil feeding reservoirs;6, the first electricity Dynamic high-pressure hydraulic pump;7, the first high pressure check valve;8, the second driven high voltage hydraulic pump;9, the second high pressure check valve;10, first is high Press safety valve;11, the first high-pressure manometer;12, the first high-pressure transmitter;13, the first high pressure accumulator group;14, first High pressure filter;15, the first high-pressure pressure regulating valve;16, the second high-pressure safety valve;17, the second high-pressure manometer;18, the second high pressure Pressure transmitter;19, the first high-pressure solenoid valve;20, the first high-pressure flowmeter;21, the first high-voltage quick joint;22, second is high Press pressure regulator valve;23, third high-pressure safety valve;24, third high-pressure manometer;25, third high-pressure transmitter;26, second is high Pressure electromagnetic valve;27, the second high-pressure flowmeter;28, the second high-voltage quick joint;29, the first electronic low-pressure hydraulic pump;30, first Low pressure check valve;31, the second electronic low-pressure hydraulic pump;32, the second low pressure check valve;33, the first low-pressure safety valve;34, first Low pressure gauge;35, the first low pressure transmitter;36, the first low pressure accumulator group;37, the first low-pressure filter;38, One low pressure regulating pressure valve;39, the second low-pressure safety valve;40, the second low pressure gauge;41, the second low pressure transmitter;42, One low-voltage solenoid valve;43, the first lowpressure stream meter;44, the first low pressure quick coupling;45, the second low pressure regulating pressure valve;46, third Low-pressure safety valve;47, third low pressure gauge;48, third low pressure transmitter;49, the second low-voltage solenoid valve;50, second Lowpressure stream meter;51, the second low pressure quick coupling;
A, hydraulic oil filtration system;B, high-pressure hydraulic;C, low-pressure hydraulic system;D, high pressure voltage-regulating system;E, low pressure Voltage-regulating system;
HP1, the first high pressure branch road;HP2, the second high pressure branch road;LP1, the first low pressure branch;LP2, the second low pressure branch.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing Detailed description are as follows:
As shown in Fig. 1, the electric-hydraulic combined formula hydraulic power unit control system of a kind of subsea production tree, including hydraulic oil mistake Filter system A, high-pressure hydraulic B, low-pressure hydraulic system C, high pressure voltage-regulating system D and low pressure voltage-regulating system E.
The output end of the hydraulic oil filtration system A respectively with the high-pressure hydraulic B and the low-pressure hydraulic system C Input terminal be connected, provide the same of clean hydraulic oil for the electric-hydraulic combined formula hydraulic power unit control system of subsea production tree When, hydraulic oil input is provided for the high-pressure hydraulic B and low-pressure hydraulic system C;
The output end of the high-pressure hydraulic B is connected with the input terminal of the high pressure voltage-regulating system D, is subsea production tree It is the high pressure tune while electric-hydraulic combined formula hydraulic power unit control system provides high-pressure and hydraulic output and emergency power supply Pressure system D provides the input of high pressure liquid pressure oil;
The output end of the low-pressure hydraulic system C is connected with the input terminal of the low pressure voltage-regulating system E, is subsea production tree It is the low-pressure adjusting while electric-hydraulic combined formula hydraulic power unit control system provides low-pressure hydraulic output and emergency power supply Pressure system E provides low-pressure hydraulic oil input;
The high pressure voltage-regulating system D provides high pressure liquid for the electric-hydraulic combined formula hydraulic power unit control system of subsea production tree Pressure output, the low pressure voltage-regulating system E provide low pressure liquid for the electric-hydraulic combined formula hydraulic power unit control system of subsea production tree Pressure output.The output end of the output end of the high pressure voltage-regulating system D and the low pressure voltage-regulating system E pass through quick coupling and navel Band cable terminal is connected, and the subsea control modules of subsea production tree are connected to by umbilical cables, then passing through subsea control modules is water Lower production tree hydraulic valve supplies hydraulic oil and controls subsea production tree hydraulic valve.
Wherein, the hydraulic oil filtration system A includes being sequentially connected in series: oil return box 1, three-way ball valve 2, filter 3, circulation Hydraulic pump 4 and oil feeding reservoirs 5;The input terminal of the three-way ball valve 2 is connected with the output end of the oil return box 1, the three-way ball valve 2 One of output end be connected with the input terminal of the filter 3, the another output of the three-way ball valve 2 can be with outside Oil-feed port, which is connected, carries out the filling of hydraulic oil;The output end of the oil feeding reservoirs 5 respectively with the high-pressure hydraulic B and described low The input terminal of hydraulic system C is pressed to be connected.The oil return box 1 and the confession can be realized by providing power by the circulation hydraulic pump 4 The hydraulic oil of fuel tank 5 recycles, and the filter 3 realizes the monitoring of online real time filtering and filtering of hydraulic oil, ensures that hydraulic oil is clear Cleanliness grade is met the requirements.
Wherein, the high-pressure hydraulic B includes being sequentially connected in series: the first driven high voltage hydraulic pump 6, the first high pressure are unidirectional Valve 7, the first high-pressure safety valve 10, the first high-pressure manometer 11, the first high-pressure transmitter 12, the first high pressure accumulator group 13 With the first high pressure filter 14;The input terminal of the first driven high voltage hydraulic pump 6 and the fuel feeding of the hydraulic oil filtration system A 5 output end of case is connected, and the output end of first high pressure filter 14 is connected with the input terminal of the high pressure voltage-regulating system D.Institute Stating high-pressure hydraulic B further includes the second driven high voltage hydraulic pump 8 as spare, the second driven high voltage hydraulic pump 8 it is defeated Enter end to be connected with 5 output end of oil feeding reservoirs of the hydraulic oil filtration system A, the output end of the second driven high voltage hydraulic pump 8 It is connected with the second high pressure check valve 9, the output end of second high pressure check valve 9 is connected to 7 He of the first high pressure check valve In the connecting pipeline of first high-pressure safety valve 10.It is realized by the first high pressure accumulator group 13 to subsea production tree electricity The real-time ftercompction of liquid composite hydraulic power unit control system, improve to the supply of the hydraulic oil of subsea production tree hydraulic valve and Subsea production tree hydraulic valve opens response speed.
Wherein, the high pressure voltage-regulating system D includes the first high pressure branch road HP1 and the second high pressure branch road HP2.Described first is high Pressing branch HP1 includes being sequentially connected in series: the first high-pressure pressure regulating valve 15, the second high-pressure safety valve 16, the second high-pressure manometer 17, the Two high-pressure transmitters 18, the first high-pressure solenoid valve 19 and the first high-pressure flowmeter 20;First high-pressure pressure regulating valve 15 Input terminal is connected with 14 output end of the first high pressure filter of the high-pressure hydraulic B.The second high pressure branch road HP2 includes Be sequentially connected in series: the second high-pressure pressure regulating valve 22, third high-pressure safety valve 23, third high-pressure manometer 24, third high-pressure become Send device 25, the second high-pressure solenoid valve 26 and the second high-pressure flowmeter 27;The input terminal of second high-pressure pressure regulating valve 22 with it is described 14 output end of the first high pressure filter of high-pressure hydraulic B is connected.
The first high pressure branch road HP1 is realized by first high-pressure solenoid valve 19 and second high-pressure solenoid valve 26 It is turned off with the remote emergency of the second high pressure branch road HP2, passes through first high-pressure flowmeter 20 and second high-pressure spray Meter 27 realizes the measurement of high pressure liquid pressure oil integrated flow, as one of the foundation for judging valve opening degree.
The first high pressure branch road HP1 and the second high pressure branch road HP2 output pressure reach 15000Psi (103MPa), The output end of the first high pressure branch road HP1 and the second high pressure branch road HP2 pass through 21 He of the first high-voltage quick joint respectively It is connected with the second high-voltage quick joint 28 with the umbilical cables terminal.
Wherein, the low-pressure hydraulic system C includes being sequentially connected in series: the first electronic low-pressure hydraulic pumps the 29, first low pressure list To valve 30, the first low-pressure safety valve 33, the first low pressure gauge 34, the first low pressure transmitter 35, the first low pressure accumulator Group 36 and the first low-pressure filter 37;The input terminal and the hydraulic oil filtration system A of the first electronic low-pressure hydraulic pump 29 5 output end of oil feeding reservoirs be connected, the input terminal phase of the output end of first low-pressure filter 37 and the low pressure voltage-regulating system E Even.The low-pressure hydraulic system C further includes the second electronic low-pressure hydraulic pump 31 as spare, the second electronic low-pressure hydraulic pump 31 input terminal is connected with 5 output end of oil feeding reservoirs of the hydraulic oil filtration system A, the second electronic low-pressure hydraulic pump 31 Output end is connected with the second low pressure check valve 32, and the output end of second low pressure check valve 32 is connected to the first low pressure list To in the connecting pipeline of valve 30 and first low-pressure safety valve 33.
Wherein, the low pressure voltage-regulating system E includes the first low pressure branch LP1 and the second low pressure branch LP2.Described first is low Pressing branch LP1 includes being sequentially connected in series: the first low pressure regulating pressure valve 38, the second low-pressure safety valve 39, the second low pressure gauge 40, the Two low pressure transmitters 41, the first low-voltage solenoid valve 42 and the first lowpressure stream meter 43;First low pressure regulating pressure valve 38 Input terminal is connected with 37 output end of the first low-pressure filter of the low-pressure hydraulic system C.The second low pressure branch LP2 includes Be sequentially connected in series: the second low pressure regulating pressure valve 45, third low-pressure safety valve 46, third low pressure gauge 47, third low pressure become Send device 48, the second low-voltage solenoid valve 49 and the second lowpressure stream meter 50;The input terminal of second low pressure regulating pressure valve 45 with it is described 37 output end of the first low-pressure filter of low-pressure hydraulic system C is connected.
The first low pressure branch LP1 is realized by first low-voltage solenoid valve 42 and second low-voltage solenoid valve 49 It is turned off with the remote emergency of the second low pressure branch LP2, passes through the first lowpressure stream meter 43 and second lowpressure stream Meter 50 realizes the measurement of low-pressure hydraulic oil integrated flow, as one of the foundation for judging valve opening degree.
The first low pressure branch LP1 and the second low pressure branch LP2 output pressure reach 6000Psi (45MPa), institute The output end for stating the first low pressure branch LP1 and the second low pressure branch LP2 passes through the first low pressure quick coupling 44 and respectively Two low pressure quick couplings 51 are connected with the umbilical cables terminal.
To sum up, the electric-hydraulic combined formula hydraulic power unit control system of a kind of subsea production tree of the invention, including hydraulic oil Filtration system A, high-pressure hydraulic B, high pressure voltage-regulating system D, low-pressure hydraulic system C, low pressure voltage-regulating system E.It solves existing Hydraulic pressure transfer speed existing for the electric-hydraulic combined formula hydraulic power unit control system of subsea production tree is slow, and cleanliness of hydraulic oil is not The technical problem of the subsea fields security control such as height and valve switch response inaccuracy.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited to upper The specific embodiment stated, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is common Technical staff under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, may be used also By make it is many in the form of, within these are all belonged to the scope of protection of the present invention.

Claims (9)

1. a kind of electric-hydraulic combined formula hydraulic power unit control system of subsea production tree, which is characterized in that including hydraulic oil filtering System (A), high-pressure hydraulic (B), low-pressure hydraulic system (C), high pressure voltage-regulating system (D) and low pressure voltage-regulating system (E);
The output end of the hydraulic oil filtration system (A) respectively with the high-pressure hydraulic (B) and the low-pressure hydraulic system (C) input terminal is connected, and provides clean hydraulic oil for the electric-hydraulic combined formula hydraulic power unit control system of subsea production tree Meanwhile hydraulic oil input is provided for the high-pressure hydraulic (B) and the low-pressure hydraulic system (C);
The output end of the high-pressure hydraulic (B) is connected with the input terminal of the high pressure voltage-regulating system (D), is subsea production tree It is the high pressure tune while electric-hydraulic combined formula hydraulic power unit control system provides high-pressure and hydraulic output and emergency power supply Pressure system (D) provides the input of high pressure liquid pressure oil;
The output end of the low-pressure hydraulic system (C) is connected with the input terminal of the low pressure voltage-regulating system (E), is subsea production tree It is the low-pressure adjusting while electric-hydraulic combined formula hydraulic power unit control system provides low-pressure hydraulic output and emergency power supply Pressure system (E) provides low-pressure hydraulic oil input;
The output end of the high pressure voltage-regulating system (D) and the output end of the low pressure voltage-regulating system (E) pass through quick coupling with Umbilical cables terminal is connected, and the high pressure voltage-regulating system (D) is the electric-hydraulic combined formula hydraulic power unit control system of subsea production tree High-pressure and hydraulic output is provided, the low pressure voltage-regulating system (E) is subsea production tree electric-hydraulic combined formula hydraulic power unit control system System provides low-pressure hydraulic output.
2. the electric-hydraulic combined formula hydraulic power unit control system of a kind of subsea production tree according to claim 1, feature It is, the hydraulic oil filtration system (A) includes being sequentially connected in series: oil return box (1), three-way ball valve (2), filter (3), circulation Hydraulic pump (4) and oil feeding reservoirs (5);The input terminal of the three-way ball valve (2) is connected with the output end of the oil return box (1), described One of output end of three-way ball valve (2) is connected with the input terminal of the filter (3);The output end of the oil feeding reservoirs (5) It is connected respectively with the input terminal of the high-pressure hydraulic (B) and the low-pressure hydraulic system (C);Pass through the circulation hydraulic pump (4) the hydraulic oil circulation that power realizes the oil return box (1) and the oil feeding reservoirs (5) is provided, the filter (3) is realized hydraulic The monitoring of online real time filtering and filtering of oil, ensure that cleanliness of hydraulic oil grade is met the requirements.
3. the electric-hydraulic combined formula hydraulic power unit control system of a kind of subsea production tree according to claim 2, feature It is, the another output of the three-way ball valve (2) is connected with external oil-feed port carries out the filling of hydraulic oil.
4. the electric-hydraulic combined formula hydraulic power unit control system of a kind of subsea production tree according to claim 1, feature It is, the high-pressure hydraulic (B) includes being sequentially connected in series: the first driven high voltage hydraulic pump (6), the first high pressure check valve (7), the first high-pressure safety valve (10), the first high-pressure manometer (11), the first high-pressure transmitter (12), the first high-voltage energy-storage Device group (13) and the first high pressure filter (14);The input terminal of the first driven high voltage hydraulic pump (6) and the hydraulic oil mistake Oil feeding reservoirs (5) output end of filter system (A) is connected, the output end of first high pressure filter (14) and high pressure pressure regulation system The input terminal of system (D) is connected;It is realized by the first high pressure accumulator group (13) hydraulic to the electric-hydraulic combined formula of subsea production tree The real-time ftercompction of power unit control system is improved to the hydraulic oil supply of subsea production tree hydraulic valve and submerged production sap Pressure valve opens response speed.
5. the electric-hydraulic combined formula hydraulic power unit control system of a kind of subsea production tree according to claim 4, feature It is, the high-pressure hydraulic (B) further includes that the second driven high voltage hydraulic pump (8) is used as spare, second driven high voltage The input terminal of hydraulic pump (8) is connected with oil feeding reservoirs (5) output end of the hydraulic oil filtration system (A), the second electronic height The output end of hydraulic fluid press pump (8) is connected with the second high pressure check valve (9), the output end connection of second high pressure check valve (9) In the connecting pipeline of first high pressure check valve (7) and first high-pressure safety valve (10).
6. the electric-hydraulic combined formula hydraulic power unit control system of a kind of subsea production tree according to claim 1, feature It is, the high pressure voltage-regulating system (D) includes the first high pressure branch road (HP1) and the second high pressure that output pressure reaches 15000Psi Branch (HP2);
First high pressure branch road (HP1) includes being sequentially connected in series: the first high-pressure pressure regulating valve (15), the second high-pressure safety valve (16), the second high-pressure manometer (17), the second high-pressure transmitter (18), the first high-pressure solenoid valve (19) and the first high-pressure spray Meter (20);The input terminal of first high-pressure pressure regulating valve (15) and first high pressure filter of the high-pressure hydraulic (B) (14) output end is connected;The output end of first high pressure branch road (HP1) passes through the first high-voltage quick joint (21) and the navel Band cable terminal is connected;
Second high pressure branch road (HP2) includes being sequentially connected in series: the second high-pressure pressure regulating valve (22), third high-pressure safety valve (23), third high-pressure manometer (24), third high-pressure transmitter (25), the second high-pressure solenoid valve (26) and the second high-pressure spray Meter (27);The input terminal of second high-pressure pressure regulating valve (22) and first high pressure filter of the high-pressure hydraulic (B) (14) output end is connected;The output end of second high pressure branch road (HP2) passes through the second high-voltage quick joint (28) and the navel Band cable terminal is connected;
First high pressure branch road is realized by first high-pressure solenoid valve (19) and second high-pressure solenoid valve (26) (HP1) it is turned off with the remote emergency of second high pressure branch road (HP2), passes through first high-pressure flowmeter (20) and described the The measurement of two high-pressure flowmeters (27) realization high pressure liquid pressure oil integrated flow.
7. the electric-hydraulic combined formula hydraulic power unit control system of a kind of subsea production tree according to claim 1, feature It is, the low-pressure hydraulic system (C) includes being sequentially connected in series: the first electronic low-pressure hydraulic pump (29), the first low pressure check valve (30), the first low-pressure safety valve (33), the first low pressure gauge (34), the first low pressure transmitter (35), the first low pressure store It can device group (36) and the first low-pressure filter (37);The input terminal and the hydraulic oil of the first electronic low-pressure hydraulic pump (29) Oil feeding reservoirs (5) output end of filtration system (A) is connected, the output end of first low-pressure filter (37) and the low pressure pressure regulation The input terminal of system (E) is connected.
8. the electric-hydraulic combined formula hydraulic power unit control system of a kind of subsea production tree according to claim 7, feature It is, the low-pressure hydraulic system (C) further includes that the second electronic low-pressure hydraulic pump (31) is used as spare, the second electronic low pressure The input terminal of hydraulic pump (31) is connected with oil feeding reservoirs (5) output end of the hydraulic oil filtration system (A), and described second is electronic low The output end of hydraulic fluid press pump (31) is connected with the second low pressure check valve (32), and the output end of second low pressure check valve (32) connects It connects in the connecting pipeline of first low pressure check valve (30) and first low-pressure safety valve (33).
9. the electric-hydraulic combined formula hydraulic power unit control system of a kind of subsea production tree according to claim 1, feature It is, the low pressure voltage-regulating system (E) includes the first low pressure branch (LP1) and the second low pressure that output pressure reaches 6000Psi Branch (LP2);
The first low pressure branch (LP1) includes being sequentially connected in series: the first low pressure regulating pressure valve (38), the second low-pressure safety valve (39), the second low pressure gauge (40), the second low pressure transmitter (41), the first low-voltage solenoid valve (42) and the first lowpressure stream Meter (43);First low-pressure filter of the input terminal of first low pressure regulating pressure valve (38) and the low-pressure hydraulic system (C) (37) output end is connected;The output end of the first low pressure branch (LP1) passes through the first low pressure quick coupling (44) and the navel Band cable terminal is connected;
The second low pressure branch (LP2) includes being sequentially connected in series: the second low pressure regulating pressure valve (45), third low-pressure safety valve (46), third low pressure gauge (47), third low pressure transmitter (48), the second low-voltage solenoid valve (49) and the second lowpressure stream Meter (50);First low-pressure filter of the input terminal of second low pressure regulating pressure valve (45) and the low-pressure hydraulic system (C) (37) output end is connected;The output end of the second low pressure branch (LP2) passes through the second low pressure quick coupling (51) and the navel Band cable terminal is connected;
The first low pressure branch is realized by first low-voltage solenoid valve (42) and second low-voltage solenoid valve (49) (LP1) it is turned off with the remote emergency of the second low pressure branch (LP2), passes through the first lowpressure stream meter (43) and described the The measurement of two lowpressure stream meters (50) realization low-pressure hydraulic oil integrated flow.
CN201910841118.XA 2019-09-06 2019-09-06 A kind of electric-hydraulic combined formula hydraulic power unit control system of subsea production tree Pending CN110454448A (en)

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CN103511361A (en) * 2013-10-24 2014-01-15 江汉石油钻头股份有限公司 Hydraulic system for underwater Christmas tree
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