CN107764652A - A kind of 210MPa production trees device for detecting water pressure - Google Patents
A kind of 210MPa production trees device for detecting water pressure Download PDFInfo
- Publication number
- CN107764652A CN107764652A CN201610692302.9A CN201610692302A CN107764652A CN 107764652 A CN107764652 A CN 107764652A CN 201610692302 A CN201610692302 A CN 201610692302A CN 107764652 A CN107764652 A CN 107764652A
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- CN
- China
- Prior art keywords
- pressure
- 210mpa
- water pressure
- control system
- detecting water
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- 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
-
- 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
- G01N2203/0044—Pneumatic means
-
- 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
-
- 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
- G01N2203/022—Environment of the test
- G01N2203/023—Pressure
- G01N2203/0232—High pressure
Abstract
A kind of 210MPa production trees device for detecting water pressure, the present invention proposes a kind of 210MPa production trees device for detecting water pressure, it is made up of Pneumatic liquid pressure charging system, compressed air-driven system, low-pressure injection system and electric control system etc., 210MPa production trees device for detecting water pressure can export two kinds of pressure.The production tree device for detecting water pressure has the advantages that safe and reliable, automaticity is high and detection range is wide, and its control is stable, accurate and safe and reliable.
Description
Art
The present invention relates to a kind of 210MPa production trees device for detecting water pressure, suitable for mechanical field.
Background technology
Wellhead assembly and production tree equipment are the visual plants of oil-gas mining, by casing head, tubing head, production tree three parts
Composition, for adapter sleeve tubing string, tubing string, and seal between each layer sleeve pipe and the annular space between oil pipe, and can control
The pressure of production wellhead and oily (gas) the well head flow of regulation, are also used for the special operations such as acid fracturing, water filling, test.Work shape
Under condition, very high oil-air pressure is born, once a leak occurs, serious environmental pollution and personal injury, therefore, national stone will be caused
Oily industrial standard SY/T5127-2002《Wellhead assembly and production tree specification》(referred to as《Specification》) provide this kind equipment dispatching from the factory and
Pressure detecting must be carried out during use, maximum detection pressure is 210MPa.Purpose is whether detection production tree has seepage and in height
Bearing capacity under pressure ring border.
The content of the invention
The present invention proposes a kind of 210MPa production trees device for detecting water pressure, by Pneumatic liquid pressure charging system, compressed air
Drivetrain, low-pressure injection system and electric control system etc. form, and 210MPa production trees device for detecting water pressure can export two kinds
Pressure.
The technical solution adopted in the present invention is.
The production tree device for detecting water pressure uses Pneumatic liquid pressure charging system, and the system is mainly pressurized by Pneumatic liquid
Pump, high-pressure safety valve, high pressure rupture disk, high-pressure stop valve, high pressure air governor unloading valve, high pressure air governor switch valve, check valve, water inlet
Valve, pressure relief drain valve, high-pressure manometer, low pressure gauge, high-pressure pressure sensor, low-pressure sensor, air vent valve,
Pneumatic pressure gauge, Pneumatic speed regulating valve, filter, pipeline and joint, frame etc. form.
The control system is using low-pressure air as driving gas, and hydraulic pressure system is using clean water as test medium.
The nucleus equipment of the control system is Pneumatic liquid booster pump, and the Pneumatic liquid booster pump is gas-powered, tool
There is the features such as oil-free, unlubricated, small volume, in light weight, compact-sized, reliable operation.
The Pneumatic liquid booster pump that the control system uses is oil-free lubrication, reciprocating-piston supercharging equipment, piston rod
The piston area at both ends is different, gas will be driven towards the chamber being connected with big piston, by the way that suction and discharge gas is used alternatingly
Two control valves, piston can move back and forth.
The basic composition of the control system includes 2 motor, 4 magnetic valves, 3 sensors, 1 set of PLC control mould
Block.
The control system slave computer is controlled using PLC, the PLC control system of selection by S7-200 series CPU224 with
EM235 is formed, and CPU224 is control core module, carries 16 digital quantity inputs, EM231 is Analog input mModule, with 4
Individual analog input.
The beneficial effects of the invention are as follows：The production tree device for detecting water pressure has safe and reliable, automaticity high and inspection
The advantages that scope is wide is surveyed, its control is stable, accurate and safe and reliable.
Brief description of the drawings
Fig. 1 is the hydraulic pressure detecting system process chart of the present invention.
Fig. 2 is the PLC control inputs output distribution diagram of the present invention.
Fig. 3 is the electric control loop figure of the present invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Such as Fig. 1, in view of the danger of high pressure detection, production tree is typically fixed on pressure testing hole bottom, closes examination during pressure testing
Load mould, unloaded after pressure testing, low-pressure injection pump starts water filling, and is exhausted from relief port, is then turned on pressure testing hole.It was operated
Cheng Wei:Wellhead tree tree is hung in pressure testing hole first and positioned, connects water inlet pipe and water outlet pipe line interface；It will be full of in sealed chamber
Water, then switch to high pressure；High-pressure pump starts to suppress, and fluid pressure in annular seal space is increased to experiment setting pressure；Pressurize
0min~10min；Gas control depressurized system carries out release；Dismantle water inlet pipe and water outlet pipe wire terminal；Wellhead tree tree is hung out into pressure testing area.
Because system maximum pressure reaches 210MPa, conventional power source can not possibly reach so high pressure, for this reason, it may be necessary to
Using supercharging device, various factors is considered, using Pneumatic liquid pressure charging system.The system is mainly pressurized by Pneumatic liquid
Pump, high-pressure safety valve, high pressure rupture disk, high-pressure stop valve, high pressure air governor unloading valve, high pressure air governor switch valve, check valve, water inlet
Valve, pressure relief drain valve, high-pressure manometer, low pressure gauge, high-pressure pressure sensor, low-pressure sensor, air vent valve,
Pneumatic pressure gauge, Pneumatic speed regulating valve, filter, pipeline and joint, frame etc. form.System is used as driving gas using low-pressure air
Body, hydraulic pressure system is using clean water as test medium.System core equipment is Pneumatic liquid booster pump, and the Pneumatic liquid is pressurized
Pump is gas-powered, has the characteristics that oil-free, unlubricated, small volume, in light weight, compact-sized, reliable operation.
Gas is driven out to be filtered in compressor by filtration high pressure valve, pressure regulation, source of the gas is controlled by a magnetic valve
System, i.e. the electric-controlled switch valve of compressed air；Low pressure water source is filtered by filter, and is controlled break-make by a magnetic valve,
Low pressure input is provided with a safety valve, with safety effect.Source of the gas enters Pneumatic liquid booster pump, moves back and forth booster pump, from
And low pressure water source is constantly converted into highly pressurised liquid；Pneumatic liquid booster pump outlet is provided with a check valve to prevent high pressure liquid
Body, which flows backwards, influences Pneumatic liquid booster pump normal work.An air-operated solenoid valve is provided with after check valve, plays high pressure pressurize.
System output divides two-way, is all the way High voltage output, output maximum working pressure is 210MPa；Another way exports for low pressure, output
Maximum working pressure is 70 MPa.High pressure branch is provided with a rupture disk, works as hypertonia, rupture disk explosion, automatic high pressure unloads
Lotus, to ensure system safety.An electropneumatic valve is again provided with High voltage output outlet, to facilitate carry out remote control;
Low pressure output is again provided with a safety valve, from high-pressure output port off-load, to prevent low pressure output pressure excessive.
The Pneumatic liquid booster pump that system uses is oil-free lubrication, reciprocating-piston supercharging equipment.The work at piston rod both ends
Area difference is filled in, gas will be driven to be controlled towards the chamber being connected with big piston by two that suction and discharge gas is used alternatingly
Valve processed, piston can move back and forth.During reciprocating motion of the pistons, according to stress balance, valve piston produces high-pressure fluid.It is comprehensive
Close and consider, select D6-201 type Pneumatic liquid booster pumps, pressure ratio 330, driving gas pressure is up to 0.7MPa, and system increases
The maximum pressure of pressure output is slightly above design pressure 210MPa.
Such as Fig. 2, by analyzing the general function of wellhead tree tree hydraulic pressure detecting system, the base of control system is determined
This composition includes 2 motor, 4 magnetic valves, 3 sensors, 1 set of PLC control module.4 magnetic valves control high pressure respectively
Pressure retaining valve, high pressure relief valve, compressed air control valve, low pressure water injection control valve.2 motors drive low-pressure injection pump and row respectively
Water pump.3 pressure sensors detect High voltage output pressure, driving compressed air pressure, booster pump population pressure respectively, for control
Signal sends offer foundation.Design of system control is required to realize control manually with automatically controlling respectively.PLC uses can compile
Range controller S7-200 and its expansion module.In main circuit, 2 motor controls be respectively adopted air switch, contactor and heat after
Electrical equipment is connected with power network power line.A scram button, the circuit safety for Guarantee control system are provided with loop；Magnetic valve
The current switching of electromagnet coil be controlled by the break-make of the main contacts of control relay;Equally, the contactor of motor
Also break-make is controlled by the main contacts of relay, the control coil of each relay is controlled by PLC output point, and loop voltage is direct current
24V, the break-make of the button control relay on switch board can also be passed through.General design idea is by vulnerabilities scan forceful electric power.
Such as Fig. 3, control system slave computer is controlled using PLC, and the PLC control system of selection is by CPU224 serial S7-200
Formed with EM235, CPU224 is control core module, carries 16 digital quantity inputs；EM231 is Analog input mModule, band
There are 4 analog inputs.Digital-quantity input interface connects button input signal, and digital-quantity output interface connects each Control line
Circle；Analog input interface connects 3 pressure sensors, gathers each several part actual working pressure of hydraulic pressure detecting system.Utilize
MCGS6.2 Development of Configuration Software monitoring softwares, communication networking is carried out using two core Shielded Twisted Pairs and the interfaces of RS 485 and surveyed
Try the read-write of data.
Claims (5)
1. a kind of 210MPa production trees device for detecting water pressure, it is characterized in that：The whole system is by hydraulic operation system, cam-type
Valve element opens drive system, water route distribution system, distributor valve element open degree detecting system, the complex network point based on more main websites
Cloth three-level computer control system and host computer intelligent monitor system composition.
2. a kind of 210MPa production trees device for detecting water pressure according to claim 1, it is characterized in that：The hydraulic press water route
Distribution system is used for controlling the flow direction and flow in hydraulic press water route, is realized by distributor, in large-scale water press steerable system,
Because hydraulic pressure pressure is big, flow is big, system uses the cone valve with pressure-relief valve.
3. a kind of 210MPa production trees device for detecting water pressure according to claim 1, it is characterized in that：The distributor valve element
Open and use " oil cylinder+rack-and-pinion+cam gear+corner displacement detection means " drive form, pass through hydraulic oil cylinder driving gear teeth
Strip device, cam rotation is driven, promote the lifting of example bar, so as to adjusting spool position, control hydraulic fluid flow and flow direction, cam
The roller follower way of contact is used between push rod, to reduce friction, nut adjusting apparatus is provided with cam ejection pin mechanism, when
Gap after cam, push rod abrasion between adjustable cam push rod and valve rod.
4. a kind of 210MPa production trees device for detecting water pressure according to claim 1, it is characterized in that：The 300MN die forgings
Hydraulic press control system includes synchronous control system and operation control system two large divisions, and synchronous control system is used based on PLC's
Master-salve station two-layer configuration control mode, synchronization system operating mode is monitored using touch-screen, management system is also used based on PLC's
Master-salve station two-layer configuration control mode, and each slave station is relatively scattered, distant, synchronous control system and management system also have
Information exchanges, so control system uses the complex network distribution three-level computer control system based on more main websites.
5. a kind of 210MPa production trees device for detecting water pressure according to claim 1, it is characterized in that：The intellectual monitoring system
The systems such as system is monitored by Intelligent Measurement, intelligent diagnostics alarm, intelligent interlocking, intelligent management, intelligent control form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610692302.9A CN107764652A (en) | 2016-08-20 | 2016-08-20 | A kind of 210MPa production trees device for detecting water pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610692302.9A CN107764652A (en) | 2016-08-20 | 2016-08-20 | A kind of 210MPa production trees device for detecting water pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107764652A true CN107764652A (en) | 2018-03-06 |
Family
ID=61263144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610692302.9A Pending CN107764652A (en) | 2016-08-20 | 2016-08-20 | A kind of 210MPa production trees device for detecting water pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107764652A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342100A (en) * | 2018-11-29 | 2019-02-15 | 中石化四机石油机械有限公司 | Frac system pressure testing control method |
| CN109655254A (en) * | 2019-02-22 | 2019-04-19 | 美钻深海能源科技研发（上海）有限公司 | A kind of equipment module bursting property detection method and device of subsea production tree |
| CN109738218A (en) * | 2018-12-28 | 2019-05-10 | 宝鸡石油机械有限责任公司 | A kind of external pressure Work condition analogue experimental rig of drilling and extracting equipment |
-
2016
- 2016-08-20 CN CN201610692302.9A patent/CN107764652A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342100A (en) * | 2018-11-29 | 2019-02-15 | 中石化四机石油机械有限公司 | Frac system pressure testing control method |
| CN109738218A (en) * | 2018-12-28 | 2019-05-10 | 宝鸡石油机械有限责任公司 | A kind of external pressure Work condition analogue experimental rig of drilling and extracting equipment |
| CN109738218B (en) * | 2018-12-28 | 2021-01-26 | 宝鸡石油机械有限责任公司 | External pressure working condition simulation test device of drilling and production equipment |
| CN109655254A (en) * | 2019-02-22 | 2019-04-19 | 美钻深海能源科技研发（上海）有限公司 | A kind of equipment module bursting property detection method and device of subsea production tree |
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Application publication date: 20180306 |