CN105041780B - Hydraulic test system device for down-hole packer - Google Patents
Hydraulic test system device for down-hole packer Download PDFInfo
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- CN105041780B CN105041780B CN201510352990.XA CN201510352990A CN105041780B CN 105041780 B CN105041780 B CN 105041780B CN 201510352990 A CN201510352990 A CN 201510352990A CN 105041780 B CN105041780 B CN 105041780B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
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- Engineering & Computer Science (AREA)
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- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a hydraulic device which can carry out a pressure test on a packer on a well. The device comprises a pressure stabilizing loop, a pressure boosting loop and a reversing loop. The pressure stabilizing loop is connected with the reversing loop through the pressure boosting loop. The pressure stabilizing loop comprises an oil tank with an exhaust function, two low-pressure small-displacement fixed-displacement pumps connected in parallel and driven by a motor, a check valve, a pilot operated compound relief valve, a two-position two-way solenoid valve and a pilot operated type proportional overflow valve. The pressure boosting loop comprises a three-position four-way solenoid valve, two position sensors, a bidirectional pressure cylinder, four high-pressure check valves, a flowmeter, a pressure gauge and a pilot operated compound relief valve. The reversing loop comprises three two-position three-way solenoid valves, a pressure testing casing pipe, a packer center pipe, a packer sealing piece, three check valves, a deflation valve and a two-position two-way solenoid valve. The device can simulate the down-hole high-pressure environment, and detect the sealing performance of the packer.
Description
Technical field
The present invention relates to a kind of downhole petroleum packer high pressure sealing test device.
Background technology
Packer is isolation payzone in oil exploitation Main Function, separates the effect such as water filling, and its sealing is to packer
Performance plays key effect, and packing element is the core parts of seal process, and packing element can usually occur shoulder projection after being compressed, this
The contact stress between packing element and sleeve pipe is just reduced, this sealing property to packer causes very big impact.In order to ensure
The reliable sealing of packer, the present invention devises a set of hydraulic means and can carry out pressure testing test to packer on well, should
Device can simulate the hyperbaric environment of down-hole, and the sealing of packer is detected.Existing packer test device, mostly
Number power consumption is big, suppresses slow, high cost.
The content of the invention
For the actual demand of existing engineering, it is an object of the invention to provide a kind of downhole packer hydraulic test system dress
Put, can not only play a part of to test the sealing of packer, it is also fast with speed, consume energy low, pressure testing scope is big
Advantage.
To reach above-mentioned purpose, the present invention is adopted the following technical scheme that：
A kind of downhole packer hydraulic system, including loop of voltage regulation, boost-up circuit, commutation loop, it is characterised in that：
The loop of voltage regulation Jing boost-up circuits connect commutation loop；
The loop of voltage regulation includes the fuel tank with degassing function, by motor-driven two low pressure small displacements in parallel
Constant displacement pump, check valve, pilot operated compound relief valve, 2/2-way magnetic valve and pilot-operated proportional relief valve；Described two low pressure floats
Fuel tank is connected in the import of amount constant displacement pump；And the three position four-way electromagnetic valve connected in boost-up circuit is exported, and through pilot-operated type
Proportional pressure control valve is switched to fuel tank；The outlet elder generation Jing pilot operated compound relief valves of one of low pressure small displacement constant displacement pump；Connection fuel tank,
And pilot operated compound relief valve electrical connection 2/2-way magnetic valve；Meanwhile, the outlet of the low pressure small displacement constant displacement pump Jing after check valve with
The outlet of another low pressure small displacement constant displacement pump is in parallel to connect；Described two low pressure small displacement constant displacement pumps under the drive of motor from
Fuel tank is to loop oil transportation；The magnetic valve, control pilot operated compound relief valve is got through；The pilot operated compound relief valve makes low-lift pump after getting through
Oil return box off-load；The fuel-displaced pressure of the ratio valve regulation loop of voltage regulation；When beginning is suppressed, in the loop of voltage regulation two it is low
Pressure small displacement constant displacement pump is while the pump oil that works, plays a part of quick pump oil；After pressure gauge reaches the pressure value of setting, electromagnetism
Valve must conduct overflow valve so that a pump off-load oil return box；Now only by another pump work；Adjust the pressure of proportional pressure control valve
Force value can improve the oil pressure of loop of voltage regulation outlet.
The boost-up circuit includes three position four-way electromagnetic valve, two position sensors, bidirectional booster cylinder, four high pressure
Check valve, flowmeter, pressure gauge and pilot operated compound relief valve, two outlets of the three position four-way electromagnetic valve are respectively turned on two-way increasing
Piston both sides oil pocket in cylinder pressure, and respectively mono- high pressure check valve of Jing connects bidirectional booster cylinder oil-out, then each Jing mono- again
Commutation loop is switched to after high pressure check valve, flowmeter, pressure gauge and pilot operated compound relief valve；The three-dimensional four way solenoid valve control
The side-to-side movement of pressurized cylinder, so as to produce high pressure；Two position sensors detect the position of pressurized cylinder piston, produce counter motion
Signal；The high pressure check valve ensures that pressure flows along pressurized outlet direction, prevents high pressure liquid from flowing back；The flowmeter is used for
The flow in monitoring boost-up circuit exit；The pressure gauge is connected in parallel between boost-up circuit outlet and oil return and monitors outlet pressure；
Pilot operated compound relief valve plays the function of safety valve, and after outlet pressure reaches the setting pressure of overflow valve, pilot operated compound relief valve is opened
Open, it is ensured that the pressure in exit；Boost-up circuit is primarily served the elevated purpose of the outlet pressure of loop of voltage regulation, when a reversal valve left side
During the work of position, pressurized cylinder moves right, right side output high pressure liquid, when position sensor detects piston, the right position work of reversal valve
Make, pressurized cylinder is moved to the left, left side output high pressure liquid, until position sensor detects piston.Bidirectional booster cylinder is so repeatedly
Just high pressure liquid can be alternately produced in left and right two-way, plays pressurization.
The commutation loop, including three two-bit triplet magnetic valves, pressure testing sleeve pipe, packer central tube, packer sealings
Part, three check valves, vent valve and 2/2-way magnetic valves, tri- two-bit triplet magnetic valves of outlet Jing point of the boost-up circuit
The epicoele that Jie Tong be separated out by packer sealing part in packer center cavity upper end pouring orifice, pressure testing pit shaft and cavity of resorption, and Jing
Distinguish after 2/2-way magnetic valve tri- check valves of Jing connect the line segment pouring orifice of packer central tube, the epicoele of pressure testing sleeve pipe and
Cavity of resorption, 2/2-way magnetic valve parallel connection vent valve；The 2/2-way magnetic valve difference control centre pipe pressure is opened, pressure testing set
Pipe upper cavity pressure is opened, pressure testing sleeve pipe cavity of resorption opened by pressure；Check valve ensures the direction of outlet hydraulic；Air bleeding valve is used to discharge examination
Gas in gland tube chamber body；2/2-way magnetic valve is used to open oil return box；The commutation loop is mainly responsible for pressure testing set
The epicoele of pipe, cavity of resorption, center cavity carry out pressure testing；When magnetic valve is obtained it is electric when pressure oil Jing reversal valves flow to pressure testing sleeve pipe cavity to envelope
Pressure testing is carried out every device seal；Pressure testing starting stage, closed electromagnetic valve, the air Jing air bleeding valves in pressure testing casing cavity body are discharged；
After pressure testing terminates, magnetic valve is opened, and the pressure oil in the cavity is through electromagnetic valve oil return case.
The present invention compared with prior art, with such as obvious substantive distinguishing features and notable technological progress is projected：
Commutation loop is close to packer carries out testing experiment using the connection of loop of voltage regulation Jing boost-up circuits for the present invention, can not only play
Simulate the effect tested the seal of packer of subsurface environment on ground, and with speed it is fast, consume energy low, pressure measurement model
Enclose wide advantage.
Description of the drawings
Fig. 1 is the system structure diagram of the present invention.
Fig. 2 is the principle schematic of loop of voltage regulation.
Fig. 3 is the principle schematic of boost-up circuit.
Fig. 4 is the principle schematic of commutation loop.
Specific embodiment
Below in conjunction with the accompanying drawings, the preferred embodiments of the present invention are described further.
Embodiment one：As shown in Figures 1 to 4, the downhole packer hydraulic test system device, including loop of voltage regulation, increases
Push back road, commutation loop.A kind of downhole packer hydraulic system, including loop of voltage regulation, boost-up circuit, commutation loop, its
It is characterised by：The loop of voltage regulation Jing boost-up circuits connect commutation loop；
The loop of voltage regulation includes the fuel tank with degassing function, by motor-driven two low pressure small displacements in parallel
Constant displacement pump, check valve, pilot operated compound relief valve, 2/2-way magnetic valve and pilot-operated proportional relief valve；Described two low pressure floats
Fuel tank is connected in the import of amount constant displacement pump；And the three position four-way electromagnetic valve connected in boost-up circuit is exported, and through pilot-operated type
Proportional pressure control valve is switched to fuel tank；The outlet elder generation Jing pilot operated compound relief valves of one of low pressure small displacement constant displacement pump；Connection fuel tank,
And pilot operated compound relief valve electrical connection 2/2-way magnetic valve；Meanwhile, the outlet of the low pressure small displacement constant displacement pump Jing after check valve with
The outlet of another low pressure small displacement constant displacement pump is in parallel to connect；Described two low pressure small displacement constant displacement pumps under the drive of motor from
Fuel tank is to loop oil transportation；The magnetic valve, control pilot operated compound relief valve is got through；The pilot operated compound relief valve makes low-lift pump after getting through
Oil return box off-load；The fuel-displaced pressure of the ratio valve regulation loop of voltage regulation；When beginning is suppressed, in the loop of voltage regulation two it is low
Pressure small displacement constant displacement pump is while the pump oil that works, plays a part of quick pump oil；After pressure gauge reaches the pressure value of setting, electromagnetism
Valve must conduct overflow valve so that a pump off-load oil return box；Now only by another pump work；Adjust the pressure of proportional pressure control valve
Force value can improve the oil pressure of loop of voltage regulation outlet.
When beginning is suppressed, two low pressure small displacement constant displacement pumps in the loop of voltage regulation, while the pump oil that works, plays quick
The effect of pump oil.After pressure gauge reaches certain pressure value, magnetic valve must conduct overflow valve so that pump off-load oil return box.
Now only by pump work.Adjusting the pressure value of proportional pressure control valve can improve the oil pressure of loop of voltage regulation outlet.
Boost-up circuit includes three position four-way electromagnetic valve, two position sensors, bidirectional booster cylinder, four high pressure check valves,
Flowmeter, pressure gauge and pilot operated compound relief valve, two outlets of the three position four-way electromagnetic valve are respectively turned in bidirectional booster cylinder
Piston both sides oil pocket, and respectively mono- high pressure check valve of Jing connects bidirectional booster cylinder oil-out, then mono- high pressure list of each Jing again
Commutation loop is switched to after valve, flowmeter, pressure gauge and pilot operated compound relief valve；The three-dimensional four way solenoid valve controls pressurized cylinder
Side-to-side movement, so as to produce high pressure；Two position sensors detect the position of pressurized cylinder piston, produce heterodromous letter
Number；The high pressure check valve ensures that pressure flows along pressurized outlet direction, prevents high pressure liquid from flowing back；The flowmeter is used to monitor
The flow in boost-up circuit exit；The pressure gauge is connected in parallel between boost-up circuit outlet and oil return and monitors outlet pressure；Guide
Formula overflow valve plays the function of safety valve, and after outlet pressure reaches the setting pressure of overflow valve, pilot operated compound relief valve is opened, and is protected
The pressure in card exit；Boost-up circuit is primarily served the elevated purpose of the outlet pressure of loop of voltage regulation, when the left position work of reversal valve
When making, pressurized cylinder moves right, right side output high pressure liquid, and when position sensor detects piston, the right position work of reversal valve increases
Cylinder pressure is moved to the left, left side output high pressure liquid, until position sensor detects piston.Bidirectional booster cylinder so repeatedly just can be with
In left and right, two-way is alternately produced high pressure liquid, plays pressurization.
The commutation loop, including three two-bit triplet magnetic valves, pressure testing sleeve pipe, packer central tube, packer sealings
Part, three check valves, vent valve and 2/2-way magnetic valves, tri- two-bit triplet magnetic valves of outlet Jing point of the boost-up circuit
The epicoele that Jie Tong be separated out by packer sealing part in packer center cavity upper end pouring orifice, pressure testing pit shaft and cavity of resorption, and Jing
Distinguish after 2/2-way magnetic valve tri- check valves of Jing connect the line segment pouring orifice of packer central tube, the epicoele of pressure testing sleeve pipe and
Cavity of resorption, 2/2-way magnetic valve parallel connection vent valve；The 2/2-way magnetic valve difference control centre pipe pressure is opened, pressure testing set
Pipe upper cavity pressure is opened, pressure testing sleeve pipe cavity of resorption opened by pressure；Check valve ensures the direction of outlet hydraulic；Air bleeding valve is used to discharge examination
Gas in gland tube chamber body；2/2-way magnetic valve is used to open oil return box；The commutation loop is mainly responsible for pressure testing set
The epicoele of pipe, cavity of resorption, center cavity carry out pressure testing；When magnetic valve is obtained it is electric when pressure oil Jing reversal valves flow to pressure testing sleeve pipe cavity to envelope
Pressure testing is carried out every device seal；Pressure testing starting stage, closed electromagnetic valve, the air Jing air bleeding valves in pressure testing casing cavity body are discharged；
After pressure testing terminates, magnetic valve is opened, and the pressure oil in the cavity is through electromagnetic valve oil return case.
Claims (3)
1. downhole packer hydraulic test system device, including loop of voltage regulation (I), boost-up circuit (II), commutation loop (III),
It is characterized in that：The loop of voltage regulation (I) Jing boost-up circuits (II) connection commutation loop (III)；
The loop of voltage regulation I includes the fuel tank (I-1) with degassing function, two low pressure in parallel driven by a motor (M)
Small displacement constant displacement pump (I-2, I-3), check valve (I-4), pilot operated compound relief valve (I-5), 2/2-way magnetic valve (I-6) and guide
Formula proportional pressure control valve (I-7)；Fuel tank (I-1) is connected in the import of described two low pressure small displacement constant displacement pumps (I-2, I-3), and is exported
The three position four-way electromagnetic valve (II-1) connected in boost-up circuit (II), and connect through pilot-operated proportional relief valve (I-7)
To fuel tank (I-1)；Outlet elder generation's Jing pilot operated compound relief valves (I-5) of one of low pressure small displacement constant displacement pump (I-3), connects fuel tank
(I-1), pilot operated compound relief valve electrical connection 2/2-way magnetic valve (I-6)；Meanwhile, low pressure small displacement constant displacement pump (I-3)
Outlet is in parallel with the outlet of another low pressure small displacement constant displacement pump (I-2) Jing after check valve (I-4) to connect；Described two low pressure are little
Discharge capacity constant displacement pump (I-2, I-3) is under the drive of motor (M) from fuel tank (I-1) to loop oil transportation；The 2/2-way magnetic valve
(I-6), control pilot operated compound relief valve (I-5) to get through；The pilot operated compound relief valve (I-5) makes low pressure small displacement constant displacement pump after getting through
(I-3) oil return box off-load；The pilot-operated proportional relief valve (I-7) adjusts the fuel-displaced pressure of loop of voltage regulation；When beginning is suppressed,
Two low pressure small displacement constant displacement pump (I-2, I-3) in the loop of voltage regulation (I) are while the pump oil that works, plays the work of quick pump oil
With；After pressure gauge (II-7) reaches the pressure value of setting, 2/2-way magnetic valve (I-6) must conduct pilot operated compound relief valve
(I-5) so that low pressure small displacement constant displacement pump (I-3) off-load oil return box；Now only by another low pressure small displacement constant displacement pump
(I-2) work；Adjusting the pressure value of pilot-operated proportional relief valve (I-7) can improve the oil pressure of loop of voltage regulation outlet.
2. downhole packer hydraulic test system device according to claim 1, it is characterised in that：The boost-up circuit
(II) include three position four-way electromagnetic valve (II-1), two position sensors (II-2, II-3), bidirectional booster cylinder (II-4), four
High pressure check valve (II-5), flowmeter (II-6), pressure gauge (II-7) and pilot operated compound relief valve (II-8), the 3-position 4-way electricity
Two outlets of magnet valve (II-1) are respectively turned on piston both sides oil pocket in bidirectional booster cylinder (II-4), and mono- high pressure list of Jing respectively
Bidirectional booster cylinder (II-4) oil-out is connected to valve (II-5), then high pressure check valve (II-5), flowmeter of each Jing again
(II-6), it is switched to commutation loop (III) after pressure gauge (II-7) and pilot operated compound relief valve (II-8)；The three-dimensional four-way electromagnetic
The side-to-side movement of valve (II-8) control bidirectional booster cylinder (II-4), so as to produce high pressure；Two position sensors (II-2, II-3)
The position of detection bidirectional booster cylinder (II-4) piston, produces heterodromous signal；The high pressure check valve (II-5) ensures pressure
Power flows along pressurized outlet direction, prevents high pressure liquid from flowing back；The flowmeter (II-6) is used to monitor boost-up circuit exit
Flow；The pressure gauge (II-7) is connected in parallel between boost-up circuit (II) outlet and oil return and monitors outlet pressure；Pilot-operated type overflow
Valve (II-8) plays the function of safety valve, after outlet pressure reaches the setting pressure of overflow valve, pilot operated compound relief valve (II-8)
Open, it is ensured that the pressure in exit；Boost-up circuit (II) is primarily served by the elevated purpose of the outlet pressure of loop of voltage regulation, when three
When the left position of position four-way solenoid valve (II-1) works, bidirectional booster cylinder (II-4) moves right, right side output high pressure liquid, when position passes
When sensor (II-2) detects piston, the right position work of three position four-way electromagnetic valve (II-1), bidirectional booster cylinder (II-4) is moved to the left,
Left side output high pressure liquid, until position sensor (II-3) detects piston；Bidirectional booster cylinder (II-4) so repeatedly just can be with
In left and right, two-way is alternately produced high pressure liquid, plays pressurization.
3. downhole packer hydraulic test system device according to claim 1, it is characterised in that：The commutation loop
(III), including three two-bit triplet magnetic valves (III-1, III-2, III-3), pressure testing sleeve pipes (III-4), every device center cavity
(III-7), packer sealing part (III-11), three check valves (III-8), vent valve (III-9) and 2/2-way magnetic valves
(III-10), tri- two-bit triplet magnetic valves (III-1, III-2, III-3) of the outlet Jing of the boost-up circuit (II) connect respectively
It is separated out by packer sealing part (III-11) in logical packer center cavity (III-7) upper end pouring orifice, pressure testing sleeve pipe (III-4)
Epicoele (III-5) and cavity of resorption (III-6), and Jing after 2/2-way magnetic valve (III-10) distinguish tri- check valve (III- of Jing
8) line segment pouring orifice, the epicoele (III-5) of pressure testing sleeve pipe (III-4) and the cavity of resorption (III- of packer central tube (III-7) are connected
6), 2/2-way magnetic valve (III-10) parallel connection vent valve (III-9)；Described three 2/2-ways magnetic valve (III-1, III-
2nd, III-3) control respectively every device center cavity (III-7) opened by pressure, pressure testing sleeve pipe epicoele (III-5) opened by pressure, pressure testing set
Pipe cavity of resorption (III-6) opened by pressure；Check valve (III-8) ensures the direction of outlet hydraulic；Air bleeding valve (III-9) is used to discharge examination
Gas in gland tube chamber body；2/2-way magnetic valve (III-10) is used to open oil return box；The commutation loop (III) is main
It is responsible for the epicoele (III-5) to pressure testing sleeve pipe (III-4), cavity of resorption (III-6), carries out pressure testing every device center cavity (III-7)；When three
Pressure oil Jing reversal valves flow to pressure testing sleeve pipe (III-4) chamber when individual two-bit triplet magnetic valve (III-1, III-2, III-3) obtains electric
Body carries out pressure testing to packer sealing part (III-11)；Pressure testing starting stage, magnetic valve (III-10) is closed, pressure testing sleeve pipe
(III-4) air Jing air bleeding valves (III-9) in cavity is discharged；After pressure testing terminates, magnetic valve (III-10) is opened, the cavity
Interior pressure oil is through 2/2-way magnetic valve (III-10) oil return box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510352990.XA CN105041780B (en) | 2015-06-24 | 2015-06-24 | Hydraulic test system device for down-hole packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510352990.XA CN105041780B (en) | 2015-06-24 | 2015-06-24 | Hydraulic test system device for down-hole packer |
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| Publication Number | Publication Date |
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| CN105041780A CN105041780A (en) | 2015-11-11 |
| CN105041780B true CN105041780B (en) | 2017-05-10 |
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| CN201510352990.XA Expired - Fee Related CN105041780B (en) | 2015-06-24 | 2015-06-24 | Hydraulic test system device for down-hole packer |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102016102388A1 (en) * | 2016-02-11 | 2017-08-17 | Hoerbiger Automatisierungstechnik Holding Gmbh | proportional valve |
| CN105909596A (en) * | 2016-06-21 | 2016-08-31 | 北京交通大学 | Dynamic pressure feedback pressure difference characteristic test system and test method |
| CN107389282B (en) * | 2017-07-19 | 2023-09-08 | 青岛中瑞泰软控科技股份有限公司 | Air seal test method and test system |
| CN108507880B (en) * | 2018-04-18 | 2023-03-28 | 中国地质大学（武汉） | Full-hydraulic three-cavity type lateral pressure instrument probe |
| CN108955798B (en) * | 2018-08-21 | 2023-11-03 | 三川智慧科技股份有限公司 | Non-magnetic water meter |
| CN109296355A (en) * | 2018-11-30 | 2019-02-01 | 成都托克密封件有限责任公司 | A kind of high temperature and pressure downhole tool rapid simulated test well |
| CN110608215A (en) * | 2019-09-03 | 2019-12-24 | 江苏恒立液压科技有限公司 | Hydraulic system for hydraulic cylinder performance test and test method |
| CN110701125B (en) * | 2019-09-26 | 2021-01-22 | 郑州磨料磨具磨削研究所有限公司 | Reciprocating type pressure relief system for ultrahigh pressure |
| CN110630886A (en) * | 2019-11-09 | 2019-12-31 | 山东嘉兰华机电设备有限公司 | Lubricating grease constant temperature quantitative filling equipment |
| CN112303056B (en) * | 2020-11-03 | 2022-11-04 | 山西天地煤机装备有限公司 | Automatic pressure regulating device for safety valve of emulsion pump station and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1137107A (en) * | 1997-07-25 | 1999-02-09 | Sakai Heavy Ind Ltd | Hydraulic device for construction vehicle |
| CN100370149C (en) * | 2006-01-24 | 2008-02-20 | 东北大学 | Constant backpressure and proportion controlled sinter apparatus HAGC System |
| CN201237549Y (en) * | 2008-06-06 | 2009-05-13 | 周连富 | Automatic testing bench for valve used in hydraulic support |
| CN102519683B (en) * | 2011-11-25 | 2014-05-14 | 上海大学 | Energy-saving testing device for high-temperature high-pressure performance of down-hole packer |
| CN102494853B (en) * | 2011-11-25 | 2014-04-02 | 上海大学 | Packer high temperature high pressure hydraulic continuous pressurization test device |
| CN102937125B (en) * | 2012-11-06 | 2016-04-06 | 三一汽车制造有限公司 | Oil hydraulic motor pilot system |
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