CN205280713U - Oil well recycles water detection instrument - Google Patents
Oil well recycles water detection instrument Download PDFInfo
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- CN205280713U CN205280713U CN201620032037.7U CN201620032037U CN205280713U CN 205280713 U CN205280713 U CN 205280713U CN 201620032037 U CN201620032037 U CN 201620032037U CN 205280713 U CN205280713 U CN 205280713U
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Abstract
The utility model discloses an oil well recycles water detection instrument mainly relates to the oil well and recycles water detection area. Including recycling water pipeling and instant detection device, be equipped with first solenoid valve and second solenoid valve in proper order along the flow direction of recycling water on recycling the water pipeling, instant detection device includes the detection barrel of vertical setting, detection barrel detachable connects on recycling the water pipeling, detection barrel's top is equipped with sealed lid, the lifter is installed to sealed covering, the bottom of lifter is equipped with the water quality testing probe, install ball on detection barrel's the inner wall, the last cleaning rack of installing of ball, detection barrel's bottom is equipped with efflux mouth and jet pump. The utility model has the advantages of it can be realized recycling the online instant of water and detect, and the precision of detection, efficiency are all showing and improves, and have self -cleaning function, and convenient operation is simple, can be better guide production practices.
Description
Technical field
The utility model relates to oil well reinjected water detection field, specifically oil well reinjected water testing tool.
Background technology
Oil recovery technique development, mainly carries out two times, tertiary oil recovery at present. In field produces, major part oil field extracted water reinjection into reservoir after treatment, has a small amount of outer row. Current China major part oil field oneself enter mid-term and the later stage of oil production, in extraction liquid, water content is 70-80%, and some oil fields are even up to 90%, and in other words, from every ton of mixture of oil, water and gas of underground extraction, more than 90% is all water. Oil field extracted water is mainly used in re-injection after treatment, and the increase along with recovery time, and water content constantly increases, and the wastewater flow rate therefore produced in China oil field is very huge, therefore the water quality detection for reinjected water just seems particularly important.
The reinjected water in oil field is the organic polluting water based on petroleum pollution, is characterized in that composition is complicated, and existing reinjected water mainly needs to detect following index:
1, oil-in-water detection: the oleaginousness height of reinjected water, in general recovered water, oleaginousness is all at about 1000mg/L, wherein about 90% oils (being greater than 100 ��m) for disperseing oil (10��100 ��m) and float, about has 10% oil in water emulsion.
2, suspended substance detection in water: suspension content height in water, particle is tiny, it is easy to cause reservoir choke. Wherein suspended solids (particle diameter 1��100 ��m) mainly comprises: silt particle, various corrosion product and dirt, sulphate reducing bacteria, saprophytic microorganism and mink cell focus class etc.; Colloid (1 �� 10-3��1.0 ��m) is formed primarily of silt particle, corrosion and scaling product and bacterium organism.
3, microorganism detection in water: in recovered water, common microorganism has sulphate reducing bacteria, iron bacteria, saprophytic microorganism, it is thread fungus, in most recovered water, bacteria content is 102��104/mL, have up to 108/mL, bacterium breeds not only corroded pipeline in a large number, but also causes stratum Severe blockage.
Through the detection of above-mentioned several, oil recovery process can be entered to instruct by the numerical value of index, and the parameter in amendment water treatment procedure, reduces loss in time. In prior art, oil reinjection water oil-in-water and suspended substance mainly rely on and manually detect by the method for chemical reagent titration, there is manual detection error big, labor intensive material resources are big, sense cycle is long, and feedback time is long, can not the defect of Instructing manufacture and deficiency timely and effectively. Although the instrument that part automatic on-line detects has occurred in prior art, but still in the discussion stage, there is following problems:
First, the precision of detection probe is higher, and in the pipeline of reinjected water, probe is easily caused infringement by long-time detection. If arranging independent sensing chamber to introduce reinjected water, although the impact of very fast flow velocity can be avoided, but owing to the distribution of suspended substance, oil-in-water is uneven, (suspended substance easily sinks, the floating situations such as being gathered in upper strata that oils), make data that detection obtains and actual there is bigger deviation, be unfavorable for the guidance of production practice.
Secondly, due to the complicated component of reinjected water, salinity height, it is rich in oil, closes chemical assistant, suspended substance, microorganism etc., make the instrument detected by reinjected water very easily deposit dirt and deposit dirt, and suspended substance, microorganism, oils adsorptivity all stronger, it is very difficult to removed by the spray single means such as pouring, flushing, make detection inaccurate, threaten the work-ing life of device.
Practical novel content
The purpose of this utility model is to provide oil well reinjected water testing tool, and it can realize the online instant detection of reinjected water, and precision, the efficiency of detection all significantly improve, and have self-cleaning function, simply easy to operate, it is possible to Instructing manufacture practice preferably.
The utility model for achieving the above object, is achieved through the following technical solutions:
Oil well reinjected water testing tool, comprise reinjected water pipeline and immediately detect device, described reinjected water pipeline is provided with successively the first magnetic valve and the 2nd magnetic valve along the flow direction of reinjected water, vertical being provided with and the sampling conduit that reinjected water pipeline is connected between described first magnetic valve and the 2nd magnetic valve, described instant detection device comprises the detection cylinder of vertically setting, the bottom of described detection cylinder is provided with input duct, the bottom of described input duct and the top of sampling conduit removably connect, the top of described detection cylinder is provided with overflow port, the outer end of described overflow port is connected with backflow pipeline, the top of described backflow pipeline is provided with outlet pipe, the bottom of described backflow pipeline and reinjected water pipeline are removably connected to the downstream part of the 2nd magnetic valve, the top of described detection cylinder is provided with the sealing cover being tightly connected with it, described sealing cover is provided with lifting base, lifting bar is slidably connected by bearing in described lifting base, the bottom of described lifting bar is positioned at detection cylinder and is provided with water quality monitoring (WQM) probe, what the top of described lifting bar was vertical is provided with two rollers, described sealing cover is also provided with support, described support is rotatably connected to fan-shaped cam, described cam is provided with the first stepper-motor, described cam is used in combination between two rollers and with two rollers, symmetrical along its length on the inwall of described detection cylinder ball-screw is installed, the bottom of described ball-screw is connected with detection cylinder axial rotation by bearing, the top of described ball-screw is connected with sealing cover axial rotation by bearing, the top of described ball-screw is connected with the belt wheel of concentric, one of them belt wheel is provided with two stepping motor, the synchronous band being used in combination with it it is wound with between two described belt wheels, it is female that described ball-screw is provided with the silk being used in combination with it, the annular cleaning frame adapted with it it is provided with in described detection cylinder, the inner of two described silk mothers is connected with cleaning frame respectively, the outside of described cleaning frame is distributed with bristle, described bristle is used in combination with the inwall of detection cylinder, the bottom of described detection cylinder is provided with jet mouth, described jet mouth is provided with jet-pump.
Described water quality monitoring (WQM) probe comprise in oil-in-water sensor, water in suspended substance sensor, biochemical oxygen demand microbial transducer one or more.
Also comprising union, the bottom of described input duct is connected by union with the top of sampling conduit, and the bottom of described backflow pipeline is connected by union with reinjected water pipeline.
Contrast prior art, the beneficial effects of the utility model are:
1, using method of the present utility model is: open the first magnetic valve, closed 2nd magnetic valve, namely the reinjected water flowed through enters detection cylinder, open the first stepper-motor, described water quality detection probe can slowly move around up and down, thus the reinjected water of different heights in detection cylinder is carried out the detection of continuity, avoid the data deviation caused due to the distribution inequality of different levels re-injection impurities in water, significantly improve accuracy of detection. Reinjected water when arriving overflow port height after backflow pipeline passes back into the 2nd magnetic valve the reinjected water pipeline of section, thus realize online instant detection, continuous print data are imported database fast, shorten sense cycle and feedback time, improve detection efficiency, there is higher production practice directive significance.
Close the first magnetic valve, open the 2nd magnetic valve, namely reinjected water in detection cylinder gushes from the 2nd magnetic valve, open jet-pump, described jet mouth can spray Clean-liquid in detection cylinder, opens two stepping motor, and the inwall to detection cylinder that described bristle can come and go up and down cleans, thoroughly cleaning, solve the problem that contamination pastes wall.
Described detection cylinder is by input duct and backflow pipeline, it is possible to dismountable be installed on reinjected water pipeline, is conducive to adjustment detection resample area flexibly, facilitates repair and maintenance, it is achieved the Optimum utilization of resource.
2, described water quality detection probe can be the one or more combination in suspended substance sensor, biochemical oxygen demand microbial transducer in oil-in-water sensor, water, it is thus possible to realize oil-in-water detection as required, suspended substance detects and the detection of microorganism in water in water.
3, the setting of described union, makes the connection of input duct and sampling conduit, backflow pipeline and reinjected water pipeline simple fast, good sealing effect, convenient operation.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is the I portion enlarged view of the utility model accompanying drawing 1.
Accompanying drawing 3 is the vertical view of the utility model cleaning frame.
Label shown in accompanying drawing:
1, reinjected water pipeline; 2, the first magnetic valve; 3, the 2nd magnetic valve; 4, sampling conduit; 5, cylinder is detected; 6, input duct; 7, overflow port; 8, reflux pipeline; 9, outlet pipe; 10, sealing cover; 11, lifting base; 12, lifting bar; 13, water quality monitoring (WQM) probe; 14, roller; 15, cam; 16, ball-screw; 17, belt wheel; 18, synchronously it is with; 19, silk is female; 20, frame is cleaned; 21, bristle; 22, jet mouth; 23, jet-pump; 24, union.
Embodiment
Below in conjunction with specific embodiment, set forth the utility model further. It will be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model. In addition it will be understood that after having read the content that the utility model is lectured, the utility model can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within the application's appended claims limited range equally.
Described in the utility model is oil well reinjected water testing tool, agent structure comprises reinjected water pipeline 1 and immediately detects device, described reinjected water pipeline 1 is provided with successively the first magnetic valve 2 and the 2nd magnetic valve 3 along the flow direction of reinjected water, vertical between described first magnetic valve 2 and the 2nd magnetic valve 3 it is provided with the sampling conduit 4 being connected with reinjected water pipeline 1, conveniently by the first magnetic valve 2 and the 2nd magnetic valve 3, the detection of reinjected water is controlled, described instant detection device comprises the detection cylinder 5 of vertically setting, for detection provides a testing environment comparatively stably, be conducive to protection detecting sensor and improve Detection accuracy. the bottom of described detection cylinder 5 is provided with input duct 6, and the bottom of described input duct 6 and the top of sampling conduit 4 removably connect, and is conducive to adjustment detection resample area flexibly, facilitates repair and maintenance, it is achieved the Optimum utilization of resource. the top of described detection cylinder 5 is provided with overflow port 7, the outer end of described overflow port 7 is connected with backflow pipeline 8, the top of described backflow pipeline 8 is provided with outlet pipe 9, the bottom of described backflow pipeline 8 and reinjected water pipeline 1 are removably connected to the downstream part of the 2nd magnetic valve 3, be conducive to adjustment detection resample area flexibly, facilitate repair and maintenance, it is achieved the Optimum utilization of resource. the top of described detection cylinder 5 is provided with the sealing cover 10 being tightly connected with it, described sealing cover 10 is provided with lifting base 11, lifting bar 12 is slidably connected by bearing in described lifting base 11, the bottom of described lifting bar 12 is positioned at detection cylinder 5 and is provided with water quality monitoring (WQM) probe 13, what the top of described lifting bar 12 was vertical is provided with two rollers 14, described sealing cover 10 is also provided with support, described support is rotatably connected to fan-shaped cam 15, described cam 15 is provided with the first stepper-motor, described cam 15 is used in combination between two rollers 14 and with two rollers 14, said structure can make the slowly lifting of lifting bar 12, thus drive water quality monitoring (WQM) probe 13 to carry out the cycle detection of continuity between the re-injection water layer of different heights, thus avoid the data deviation caused due to the distribution inequality of different levels re-injection impurities in water, significantly improve accuracy of detection. symmetrical along its length on the inwall of described detection cylinder 5 ball-screw 16 is installed, the bottom of described ball-screw 16 is connected with detection cylinder 5 axial rotation by bearing, the top of described ball-screw 16 is connected with sealing cover 10 axial rotation by bearing, the top of described ball-screw 16 is connected with the belt wheel 17 of concentric, one of them belt wheel 17 is provided with two stepping motor, it is wound with, between two described belt wheels 17, the synchronous band 18 being used in combination with it, ball-screw 16 synchronous axial system of both sides can be made, described ball-screw 16 is provided with the silk mother 19 being used in combination with it, the annular cleaning frame 20 adapted with it it is provided with in described detection cylinder 5, the inner of two described silk mothers 19 is connected with cleaning frame 20 respectively, by controlling the rotation of ball-screw 16, cleaning frame about 20 can be driven to run, the outside of described cleaning frame 20 is distributed with bristle 21, open two stepping motor, the inwall to detection cylinder 5 that described bristle 21 can come and go up and down cleans, thoroughly cleaning, solve the problem that contamination pastes wall. described bristle 21 is used in combination with the inwall of detection cylinder 5, and the bottom of described detection cylinder 5 is provided with jet mouth 22, and described jet mouth 22 is provided with jet-pump 23.The Clean-liquid of convenient injection, auxiliary bristle 21 cleans thoroughly in detection cylinder 5.
Practical novel using method is: open the first magnetic valve 2, closed 2nd magnetic valve 3, namely the reinjected water flowed through enters detection cylinder 5, open the first stepper-motor, the reinjected water of different heights in detection cylinder 5 can be carried out the detection of continuity by described water quality detection probe, reinjected water passes back into the reinjected water pipeline 1 of the rear section of the 2nd magnetic valve 3 when arriving overflow port 7 height from backflow pipeline 8, thus realize online instant detection, continuous print data are imported database fast, shorten sense cycle and feedback time, improve detection efficiency, there is higher production practice directive significance. closing the first magnetic valve 2, open the 2nd magnetic valve 3, namely the reinjected water in detection cylinder 5 gushes from the 2nd magnetic valve 3, measures such as conveniently carrying out dismantling, clean, rest.
Described water quality monitoring (WQM) probe 13 comprise in oil-in-water sensor, water in suspended substance sensor, biochemical oxygen demand microbial transducer one or more. It is thus possible to realize as required oil-in-water detection, the detection of microorganism in suspended substance detection and water in water.
Also comprising union 24, the bottom of described input duct 6 is connected by union 24 with the top of sampling conduit 4, and the bottom of described backflow pipeline 8 is connected by union 24 with reinjected water pipeline 1. Make input duct 6 simple fast with the connection of reinjected water pipeline 1 with sampling conduit 4, backflow pipeline 8, good sealing effect, convenient operation.
Embodiment 1: described in the utility model is oil well reinjected water testing tool, agent structure comprises reinjected water pipeline 1 and immediately detects device, described reinjected water pipeline 1 is provided with successively the first magnetic valve 2 and the 2nd magnetic valve 3 along the flow direction of reinjected water, vertical between described first magnetic valve 2 and the 2nd magnetic valve 3 it is provided with the sampling conduit 4 being connected with reinjected water pipeline 1, described instant detection device comprises the detection cylinder 5 of vertically setting, the bottom of described detection cylinder 5 is provided with input duct 6, the bottom of described input duct 6 and the top of sampling conduit 4 removably connect, the top of described detection cylinder 5 is provided with overflow port 7, the outer end of described overflow port 7 is connected with backflow pipeline 8, the top of described backflow pipeline 8 is provided with outlet pipe 9, the bottom of described backflow pipeline 8 and reinjected water pipeline 1 are removably connected to the downstream part of the 2nd magnetic valve 3, the top of described detection cylinder 5 is provided with the sealing cover 10 being tightly connected with it, described sealing cover 10 is provided with lifting base 11, lifting bar 12 is slidably connected by bearing in described lifting base 11, the bottom of described lifting bar 12 is positioned at detection cylinder 5 and is provided with water quality monitoring (WQM) probe 13, described water quality monitoring (WQM) probe 13 is oil-in-water sensor, what the top of described lifting bar 12 was vertical is provided with two rollers 14, described sealing cover 10 is also provided with support, described support is rotatably connected to fan-shaped cam 15, described cam 15 is provided with the first stepper-motor, described cam 15 is used in combination between two rollers 14 and with two rollers 14, symmetrical along its length on the inwall of described detection cylinder 5 ball-screw 16 is installed, the bottom of described ball-screw 16 is connected with detection cylinder 5 axial rotation by bearing, the top of described ball-screw 16 is connected with sealing cover 10 axial rotation by bearing, the top of described ball-screw 16 is connected with the belt wheel 17 of concentric, one of them belt wheel 17 is provided with two stepping motor, it is wound with, between two described belt wheels 17, the synchronous band 18 being used in combination with it, described ball-screw 16 is provided with the silk mother 19 being used in combination with it, the annular cleaning frame 20 adapted with it it is provided with in described detection cylinder 5, the inner of two described silk mothers 19 is connected with cleaning frame 20 respectively, the outside of described cleaning frame 20 is distributed with bristle 21, described bristle 21 is used in combination with the inwall of detection cylinder 5, the bottom of described detection cylinder 5 is provided with jet mouth 22, described jet mouth 22 is provided with jet-pump 23.
Embodiment 2: described in the utility model is oil well reinjected water testing tool, agent structure comprises reinjected water pipeline 1 and immediately detects device, described reinjected water pipeline 1 is provided with successively the first magnetic valve 2 and the 2nd magnetic valve 3 along the flow direction of reinjected water, vertical between described first magnetic valve 2 and the 2nd magnetic valve 3 it is provided with the sampling conduit 4 being connected with reinjected water pipeline 1, described instant detection device comprises the detection cylinder 5 of vertically setting, the bottom of described detection cylinder 5 is provided with input duct 6, also comprise union 24, the bottom of described input duct 6 is connected by union 24 with the top of sampling conduit 4, the top of described detection cylinder 5 is provided with overflow port 7, the outer end of described overflow port 7 is connected with backflow pipeline 8, the top of described backflow pipeline 8 is provided with outlet pipe 9, the bottom of described backflow pipeline 8 and reinjected water pipeline 1 are removably connected to the downstream part of the 2nd magnetic valve 3 by union 24, the top of described detection cylinder 5 is provided with the sealing cover 10 being tightly connected with it, described sealing cover 10 is provided with lifting base 11, lifting bar 12 is slidably connected by bearing in described lifting base 11, the bottom of described lifting bar 12 is positioned at detection cylinder 5 and is provided with water quality monitoring (WQM) probe 13, described water quality detection probe comprises oil-in-water sensor, suspended substance sensor and biochemical oxygen demand microbial transducer in water, what the top of described lifting bar 12 was vertical is provided with two rollers 14, described sealing cover 10 is also provided with support, described support is rotatably connected to fan-shaped cam 15, described cam 15 is provided with the first stepper-motor, described cam 15 is used in combination between two rollers 14 and with two rollers 14, symmetrical along its length on the inwall of described detection cylinder 5 ball-screw 16 is installed, the bottom of described ball-screw 16 is connected with detection cylinder 5 axial rotation by bearing, the top of described ball-screw 16 is connected with sealing cover 10 axial rotation by bearing, the top of described ball-screw 16 is connected with the belt wheel 17 of concentric, one of them belt wheel 17 is provided with two stepping motor, it is wound with, between two described belt wheels 17, the synchronous band 18 being used in combination with it, described ball-screw 16 is provided with the silk mother 19 being used in combination with it, the annular cleaning frame 20 adapted with it it is provided with in described detection cylinder 5, the inner of two described silk mothers 19 is connected with cleaning frame 20 respectively, the outside of described cleaning frame 20 is distributed with bristle 21, described bristle 21 is used in combination with the inwall of detection cylinder 5, the bottom of described detection cylinder 5 is provided with jet mouth 22, described jet mouth 22 is provided with jet-pump 23.
Claims (3)
1. oil well reinjected water testing tool, comprise reinjected water pipeline (1) and immediately detect device, it is characterized in that: described reinjected water pipeline (1) is provided with successively the first magnetic valve (2) and the 2nd magnetic valve (3) along the flow direction of reinjected water, vertical between described first magnetic valve (2) and the 2nd magnetic valve (3) it is provided with the sampling conduit (4) being connected with reinjected water pipeline (1), described instant detection device comprises the detection cylinder (5) of vertically setting, the bottom of described detection cylinder (5) is provided with input duct (6), the bottom of described input duct (6) and the top of sampling conduit (4) removably connect, the top of described detection cylinder (5) is provided with overflow port (7), the outer end of described overflow port (7) is connected with backflow pipeline (8), the top of described backflow pipeline (8) is provided with outlet pipe (9), the bottom of described backflow pipeline (8) and reinjected water pipeline (1) are removably connected to the downstream part of the 2nd magnetic valve (3), the top of described detection cylinder (5) is provided with the sealing cover (10) being tightly connected with it, described sealing cover (10) is provided with lifting base (11), lifting bar (12) is slidably connected by bearing in described lifting base (11), the bottom of described lifting bar (12) is positioned at detection cylinder (5) and is provided with water quality monitoring (WQM) probe (13), what the top of described lifting bar (12) was vertical is provided with two rollers (14), described sealing cover is also provided with support on (10), described support is rotatably connected to fan-shaped cam (15), described cam is provided with the first stepper-motor on (15), described cam (15) is positioned at and is used in combination between two rollers (14) and with two rollers (14), symmetrical along its length on the inwall of described detection cylinder (5) ball-screw (16) is installed, the bottom of described ball-screw (16) is connected with detection cylinder (5) axial rotation by bearing, the top of described ball-screw (16) is connected with sealing cover (10) axial rotation by bearing, the top of described ball-screw (16) is connected with the belt wheel (17) of concentric, one of them belt wheel is provided with two stepping motor on (17), the synchronous band (18) being used in combination with it it is wound with between two described belt wheels (17), described ball-screw (16) is provided with the silk mother (19) being used in combination with it, annular cleaning frame (20) adapted with it it is provided with in described detection cylinder (5), the inner of two described silk mothers (19) is connected with cleaning frame (20) respectively, the outside of described cleaning frame (20) is distributed with bristle (21), described bristle (21) is used in combination with the inwall of detection cylinder (5), the bottom of described detection cylinder (5) is provided with jet mouth (22), described jet mouth (22) is provided with jet-pump (23).
2. oil well reinjected water testing tool according to claim 1, it is characterised in that: described water quality monitoring (WQM) probe (13) comprise in oil-in-water sensor, water in suspended substance sensor, biochemical oxygen demand microbial transducer one or more.
3. oil well reinjected water testing tool according to claim 1, it is characterized in that: also comprise union (24), the bottom of described input duct (6) is connected by union (24) with the top of sampling conduit (4), and the bottom of described backflow pipeline (8) is connected by union (24) with reinjected water pipeline (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620032037.7U CN205280713U (en) | 2016-01-13 | 2016-01-13 | Oil well recycles water detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620032037.7U CN205280713U (en) | 2016-01-13 | 2016-01-13 | Oil well recycles water detection instrument |
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| CN205280713U true CN205280713U (en) | 2016-06-01 |
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| CN201620032037.7U Expired - Fee Related CN205280713U (en) | 2016-01-13 | 2016-01-13 | Oil well recycles water detection instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144449A (en) * | 2017-04-26 | 2017-09-08 | 武汉轻工大学 | Fish pond active sampling apparatus |
| CN108240899A (en) * | 2018-01-16 | 2018-07-03 | 上海衡拓液压控制技术有限公司 | Jet pipe type electrohydraulic servo valve injection stream detection device and method |
| CN114887942A (en) * | 2022-05-16 | 2022-08-12 | 中国海洋石油集团有限公司 | Probe cleaning system and method of reinjection water quality monitoring device |
-
2016
- 2016-01-13 CN CN201620032037.7U patent/CN205280713U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144449A (en) * | 2017-04-26 | 2017-09-08 | 武汉轻工大学 | Fish pond active sampling apparatus |
| CN108240899A (en) * | 2018-01-16 | 2018-07-03 | 上海衡拓液压控制技术有限公司 | Jet pipe type electrohydraulic servo valve injection stream detection device and method |
| CN108240899B (en) * | 2018-01-16 | 2024-05-14 | 上海衡拓液压控制技术有限公司 | Jet flow detection device and method for jet flow tube type electrohydraulic servo valve nozzle |
| CN114887942A (en) * | 2022-05-16 | 2022-08-12 | 中国海洋石油集团有限公司 | Probe cleaning system and method of reinjection water quality monitoring device |
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