CN202210095U - Novel oilfield produced water on-line monitoring system - Google Patents
Novel oilfield produced water on-line monitoring system Download PDFInfo
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- CN202210095U CN202210095U CN2011201430719U CN201120143071U CN202210095U CN 202210095 U CN202210095 U CN 202210095U CN 2011201430719 U CN2011201430719 U CN 2011201430719U CN 201120143071 U CN201120143071 U CN 201120143071U CN 202210095 U CN202210095 U CN 202210095U
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Abstract
A novel oilfield produced water on-line monitoring system comprises on-line monitoring equipment adopting a non-explosion-protection structure and mounted in a positive pressure-type explosion-protection analysis cabin after high-grade integration. In the on-line monitoring system, a sampling and pre-treatment unit is connected to an external discharge pipeline through a monitoring and analysis unit; a waterway switching and pneumatic control unit adopts PLC programming control technology, as well as electromagnetic and pneumatic technology; data monitored and analyzed by a monitoring analysis and data processing unit is connected with a station-control upper computer, a station-control server, a plant-level information center, and an oilfield company digitizing control system platform sequentially in the form of RS485 bus signals; the automatic control adopts the PLC programming technology; and the self-cleaning and maintenance-free of a pipeline and a measuring unit are realized through adopting the double functions of air purge and water pressure cleaning, so that the water quality, and the running state of monitoring deoiling equipment or a filter system, can be monitored real-timely and continually, and the utility model has the advantages of high degree of automation, lower work intensity of workers, data teletransmission, and the like.
Description
Technical field
The utility model relates to the field produces field, is specifically related to the monitoring water quality on line in the oil field extracted water water treatment process.
Background technology
The current practice that oil field, China land is analyzed recovered water water quality is mainly with artificial spot sampling, grasp the water quality situation through the Laboratory Instruments analysis.
Hand sampling chemical examination mode exist the monitoring frequency low, error is big, poor in timeliness, reflection variation of water that can not be timely, complete; There are shortcomings such as operator's labour intensity is big, water sample secondary pollution simultaneously, can not effectively the main produced water disposal facility in oil field be exercised supervision and control in addition.
At present, the on-line monitoring to oil field extracted water water quality yet is in the exploratory stage in the world, and since the eighties, has experienced gravimetric method, the turbidimetry of taking based on the physics, chemical characteristic of oil, water; Based on oily mensuration in water, the microwave-gamma rays water that oily microwave absorbing rate is different; Based on the oil water mixture conductivity with the different conductometries that change of concentration.These are subject to the influence of other impurity and surrounding environment based on the sensor of profit physical characteristics during use, need do comparatively complicated compensation to measured value when therefore being applied in the reality, have limited the development and the practical application of this type sensor.Got into since the nineties; Develop rapidly along with optical technology; People begin to be applied to spectral analysis technique the real-time online measuring of oil in the water; Major product is as based on the uv absorption principle: U.S. Teledyne 6600-6610 series, based on the near infrared scattering: the OMD-7/24 series of German DECKMA, Japanese HORIBA, U.S. BUCKSCIENHFIC and GrabnerInstruments, based on the fluorophotometric method: the CX1000-6000 of French AWA is serial, the MS-2410 of Canadian AJY etc.These on-line detector devices have advantages such as response is quick, precision is high, real-time with respect to laboratory analytical instrument.
The equipment of above-mentioned know-why had application in North China Oilfield, fort oil field, the southeast, Ji respectively, but because construction party conceptual design, pipeline, auxilliary material is improper or system cleans, safeguards not in place, system stops using or damages.Reflect a new problem thus, promptly the oil analysis instrument must take into full account the singularity of on-the-spot process conditions if be used for on-line monitoring in the water of any optical principle:
1. oil content, the suspension by the missing link of water treatment technological process design and the not good oily sewage that causes of treatment efficiency exceeds standard, salinity is high, corrosivity is strong, easily monitoring equipment, system pipeline etc. is caused burn into obstruction, outrange overflow problem;
2. oil gas volatilization in the oily sewage or monitoring equipment, opertaing device (being mostly non-explosion-proof electric apparatus) fire prevention, the explosion-proof problem under the installation environment (integrated environment is an II class explosion-proof area) in the station;
3. sample lines, system equipment freeze stifled problem in the winter of northern area;
4. summer, thunderstorm was to the thunderbolt of on-line monitoring equipment, short circuit, electric leakage threat etc.
Make a general survey of oily in-line analyzer in the domestic and international existing various water and do not have as yet that a tame product switches at sampling automatically, multichannel water sample, can meet and satisfy above conditional request aspect the integrated and Safety Design of anticorrosion, explosion-proof, antifreeze, the system of the automatically cleaning maintenance of necessary and suitable pre-service, system pipeline and measuring unit, pipeline, equipment.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art; The purpose of the utility model is to provide a kind of novel oilfield recovered water on-line monitoring system; Can monitor water quality in real time, continuously, the variation of the running status of monitoring waste-oil scavenger or filtering system and the processing water yield is for the oil field digital Construction provides powerful technical support; Have the automaticity height, alleviate labor strength, satisfy the advantage such as anti-blocking, anticorrosion, antifreeze under the abominable water quality situation.
In order to achieve the above object, the technical scheme taked of the utility model is:
A kind of novel oilfield recovered water on-line monitoring system comprises after highly integrated, being installed in the on-line monitoring equipment of non-blast resistance construction in the explosion-proof analysis cabin of incorporate positive-pressure type.
The sampling of on-line monitoring system and pretreatment unit arrange three sampled points and be connected with the inlet of monitoring analysis unit in slurry tank outlet, purification pot outlet, the outlet of clear water jar respectively, the outlet of monitoring analysis unit with efflux pipeline and be connected.
The water route of realizing with pneumatic control unit employing PLC programming Control technology, electromagnetism and the compound interlock of pneumatics, the automatic switchover of gas circuit are switched in the water route of on-line monitoring system.
The data that the monitoring analysis of on-line monitoring system and data processing unit will be monitored, analyzed are connected with level of factory information center, Oilfield Company digitizing command system platform with station control host computer, the control server of standing through the RS485 bus signals successively.
The PLC programming technique is adopted in the robotization control of on-line monitoring system.
The double action mode of the pipeline of on-line monitoring system and the automatically cleaning of measuring unit, non-maintaining employing " air purge+hydraulic pressure cleans ".
Described station control host computer possesses the function of WINCC, OPC, three kinds of servers of WEB simultaneously, but both execute-in-place, monitoring, but remote transmission again, simultaneously can remote access.
The beneficial effect of the utility model is:
Pre-service design with necessary and suitable has solved the water sample preprocessing function that existing on-line monitoring equipment does not possess usually; Be that predetermined substance filters, water pressure fluctuations adjustment, the emulsifying of oil-containing water sample, bulky grain suspension, the floccus in the sewage of having avoided exceeding standard, contain operation troubles problems such as absorption that oil contaminants etc. causes at system pipeline, measuring unit, deposition, obstruction, interfering data, damage equipment;
Get the compressed gas source of gas preparation with on-the-spot high-altitude and realize the pneumatic switching in water route, the air purge of measuring unit and source of the gas release, the positive pressure protection of explosion-proof analysis cabin; Make a whole set of on-line monitoring system not only accomplish standardization, standardization installation, layout; And effectively for on-line system provides integrated positive pressure protection environment, and be that a whole set of on-line monitoring system provides temperature, controlled humidity, shipshape working environment through analyzing the explosion-proof air-conditioning, the explosion-proof oily spit of fland that are provided with in the cabin;
With PLC control technology able to programme; Realize water route automatic switchover, data acquisition, storage, output, alarm settings, system's automatically cleaning, function such as non-maintaining in conjunction with electromagnetism, the compound interlock of pneumatics, formed the supermatic technical characterictic of on-line monitoring system;
After this on-line monitoring system was implemented, the water quality monitoring of recovered water no longer needed the hand sampling chemical examination, and the laboratory does not need to build yet, and had practiced thrift to produce and had built project investment, had improved economic benefit.Can realize simultaneously real-time, continuous, the monitoring automatically of recovered water water quality, in time grasp the treatment effect of water processing establishment, improve the usefulness of waterflooding.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is water route, the process of gas path figure of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
With reference to Fig. 1, a kind of novel oilfield recovered water on-line monitoring system comprises after highly integrated, being installed in the on-line monitoring equipment of non-blast resistance construction in the explosion-proof analysis cabin 1 of incorporate positive-pressure type.The explosion-proof analysis cabin of positive-pressure type is that online equipment PLC switch board 6, very color touch-screen 7, oil content appearance controller 9, oil content appearance main frame 10, oil content measuring instrument 11, the flow meter 13 of purifying waste water, sewage flowmeter 14, sampling pump 22, air compressor machine 38 and electric appliance component solenoid valve 21, solenoid valve 31, the solenoid valve 37 of non-blast resistance construction provides a safety, standard, suitable installation and running environment.The realization of its positive pressure protection function depends on that material, structure, public electrical equipment explosion-proof wiring case 2, explosion-proof air-conditioning 3, explosion-proof plug 4, explosion-proof oily spit of fland 5 and the pressurized air of analyzing cabin 1 prepare and tracheae line 39, malleation source of the gas release 40, compressed-air line 41, pressurized air five-way valve 42, air strainer 43, air slide 44 are got in control module air compressor machine 38, high-altitude, and the positive-pressure type structure of this inside and outside integrative reveals the globality Safety Design.
See figures.1.and.2; The sampling of on-line monitoring system and pretreatment unit arrange three sampled points and be connected with the inlet of monitoring analyzer 11 in slurry tank outlet, purification pot outlet, the outlet of clear water jar respectively, the outlet of monitoring analyzer 11 with efflux pipeline 25 and be connected.Sampling and pretreatment unit are made up of sewage sampling pipeline 16, filtrator 17, pressure regulator valve 18, sampling pump 22, the sampling pipeline 26 of purifying waste water, filtrator 27, pressure regulator valve 28, rinse water pipeline 32, filtrator 33, solenoid valve 31; Respectively with the rinse water of the purifying waste water of the sewage of slurry tank outlet, purification pot outlet, the outlet of clear water jar the water sample in totally three water routes with predefined SF and the nominal parameter (pressure, flow velocity) that meets monitoring system needs through monitoring analyzer 11, monitored water sample unification afterwards and entered the mummifying pool in the on-the-spot water treatment technological process by effluxing pipeline 25.
See figures.1.and.2; The water route of realizing with pneumatic control unit employing PLC programming Control technology, electromagnetism and pneumatics, the automatic switchover of gas circuit are switched in the water route of on-line monitoring system; The water route is switched with the pneumatic control unit and is made up of assemblies such as the Based Intelligent Control maincenter PLC switch board 6 of on-line monitoring system, solenoid valve 21, solenoid valve 31, solenoid valve 37, pneumatic valve 20, pneumatic valve 30, pneumatic valve 36, air strainer 43, pressurized air five-way valve 42, air slide 44, compressed air lines 41; The automatic switchover of this water route through PLC programming Control technology, electromagnetism and pneumatics realization, gas circuit is in the innovation of sampling function aspects, has realized by the technical leap of artificial sample to automatic sampling, automatic switchover, programming Control.
With reference to Fig. 1; The monitoring analysis of on-line monitoring system and data processing unit are made up of oil content appearance, flowmeter, PLC switch board etc., the monitoring analysis of correlation parameter, data processing, setting, mould, number conversion of signals, output by PLC switch board 6, very color touch-screen 7, oil content appearance main frame 10, oil content measuring instrument 11, switching value signal wire connect box 12, the flow meter 13 of purifying waste water, sewage flowmeter 14 be responsible for completion.The instant data of on-line monitoring are reflected in oil content appearance main frame 10, above the very color touch-screen 7 of the flow meter 13 of purifying waste water, sewage flowmeter 14 and PLC switch board setting-in; And transfer to station control host computer 48 with RS485 bus signals 47; Through long-range level of factory information center 49, the Oilfield Company digitizing command system platform 50 of being uploaded to of Ethernet of station control server, realize field monitoring, demonstration, data communication and the remote monitoring of instant data again.
With reference to Fig. 1, the robotization of on-line monitoring system control realizes through PLC switch board 6, pneumatic valve 20,30,36, solenoid valve 21,31,37 combinations.
See figures.1.and.2; The double action mode of the pipeline of on-line monitoring system and the automatically cleaning of measuring unit, non-maintaining employing " air purge+hydraulic pressure cleans " is formed through PLC switch board 6, on-the-spot compressed gas source 38, compressed air line 41, air slide 44, air strainer 43, cleaning water route 35.Implementation: PLC switch board 6 configures 3 times/h of air purge frequency, 1 time/3-5min of water route switching frequency, rated pressure 6-8bar.When oil content measuring instrument 11 need carry out air purge; Pressurized air gets into air slide 44 by air compressor 38, air pipe line 41, pressurized air five-way valve 42, air strainer 43; Piston push rod is done three times motion up and down at the measuring flume inwall; Then the incrustation scale of the inner absorption of measuring flume, greasy dirt will be cleaned, and discharge through effluxing pipeline 25 with the water sample after measuring; When the system water route need be cleaned; PLC switch board 6 sends instruction; Plumbing drain 26, the pipeline 26 of purifying waste water are closed simultaneously, and solenoid valve 37, pneumatic valve 36 in the detergent line 25 are opened simultaneously, and the rinse water of rated pressure 6-8bar is then through effluxing pipeline 25, sampling pump 22 entering oil content measuring instruments 11; The Fouling Cleaning of absorption in system pipeline and the measuring flume, deposition is fallen, and discharged through effluxing pipeline 25.The double action of this " air purge+hydraulic pressure cleans " can make deposition basically, be cleaned attached to impurity, greasy dirt in system pipeline and the oil content measuring instrument 11, thereby makes monitoring system realize need not artificial automatically cleaning, non-maintaining.
Described station control host computer 48 possesses the function of WINCC, OPC, three kinds of servers of WEB simultaneously; But both execute-in-place, monitoring; But remote transmission again simultaneously can remote access, for the oil field digital management provides powerful technical support; Thereby representing the level of digitizing oilfield construction and management to a certain extent, also is the demand for development of all industrial on-line monitoring systems and environmental monitoring system future trendization and directivity.
Claims (3)
1. novel oilfield recovered water on-line monitoring system comprises the on-line monitoring equipment of non-blast resistance construction it is characterized in that the on-line monitoring equipment of non-blast resistance construction is installed in the explosion-proof analysis cabin of positive-pressure type after highly integrated.
2. a kind of novel oilfield recovered water on-line monitoring system according to claim 1; It is characterized in that; The sampling of on-line monitoring system and pretreatment unit arrange three sampled points and be connected with the inlet of monitoring analysis unit in slurry tank outlet, purification pot outlet, the outlet of clear water jar respectively, the outlet of monitoring analysis unit with efflux pipeline and be connected.
3. a kind of novel oilfield recovered water on-line monitoring system according to claim 1; It is characterized in that the data that the monitoring analysis of on-line monitoring system and data processing unit will be monitored, analyzed are connected with level of factory information center, Oilfield Company digitizing command system platform with station control host computer, the control server of standing through the RS485 bus signals successively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011201430719U CN202210095U (en) | 2011-05-06 | 2011-05-06 | Novel oilfield produced water on-line monitoring system |
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| CN2011201430719U CN202210095U (en) | 2011-05-06 | 2011-05-06 | Novel oilfield produced water on-line monitoring system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102253176A (en) * | 2011-05-06 | 2011-11-23 | 陕西睿海丽君环境科技有限公司 | Novel oil field produced water online monitoring system |
| CN102735511A (en) * | 2012-06-29 | 2012-10-17 | 聚光科技(杭州)股份有限公司 | Water quality monitoring method and system |
| CN105277668A (en) * | 2015-11-13 | 2016-01-27 | 重庆国农环境科技股份有限公司 | Polar coordinate type water shield paddy field water quality monitoring method |
| CN106468701A (en) * | 2015-08-23 | 2017-03-01 | 山东拓普石油装备有限公司 | A kind of oil extraction-generated waste water is along journey on-line monitoring equipment and its using method |
| CN106841548A (en) * | 2015-12-04 | 2017-06-13 | 长沙欧伊尔实验设备有限公司 | A kind of full-automatic sewage oil-containing amount determining device |
| CN110005959A (en) * | 2019-04-22 | 2019-07-12 | 中国石油天然气集团有限公司 | A kind of gas pipeline makings analysis integration detection device |
| CN110431110A (en) * | 2017-03-27 | 2019-11-08 | 栗田工业株式会社 | Water-quality determination device |
| CN113341095A (en) * | 2021-06-30 | 2021-09-03 | 上官德安 | Oil field reinjection water quality on-line monitoring system and method thereof |
| CN113376081A (en) * | 2021-04-16 | 2021-09-10 | 中海油常州涂料化工研究院有限公司 | Oil refining device fractionating tower top corrosion risk monitoring system |
| CN113376342A (en) * | 2021-06-07 | 2021-09-10 | 中国船舶重工集团公司第七一一研究所 | Water quality monitoring system for ship tail gas desulfurization device and control method thereof |
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2011
- 2011-05-06 CN CN2011201430719U patent/CN202210095U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102253176A (en) * | 2011-05-06 | 2011-11-23 | 陕西睿海丽君环境科技有限公司 | Novel oil field produced water online monitoring system |
| CN102253176B (en) * | 2011-05-06 | 2015-11-25 | 陕西睿海丽君环境科技有限公司 | A kind of Novel oilfield produced water on-line monitoring system |
| CN102735511A (en) * | 2012-06-29 | 2012-10-17 | 聚光科技(杭州)股份有限公司 | Water quality monitoring method and system |
| CN106468701A (en) * | 2015-08-23 | 2017-03-01 | 山东拓普石油装备有限公司 | A kind of oil extraction-generated waste water is along journey on-line monitoring equipment and its using method |
| CN105277668A (en) * | 2015-11-13 | 2016-01-27 | 重庆国农环境科技股份有限公司 | Polar coordinate type water shield paddy field water quality monitoring method |
| CN106841548A (en) * | 2015-12-04 | 2017-06-13 | 长沙欧伊尔实验设备有限公司 | A kind of full-automatic sewage oil-containing amount determining device |
| CN110431110A (en) * | 2017-03-27 | 2019-11-08 | 栗田工业株式会社 | Water-quality determination device |
| CN110005959A (en) * | 2019-04-22 | 2019-07-12 | 中国石油天然气集团有限公司 | A kind of gas pipeline makings analysis integration detection device |
| CN113376081A (en) * | 2021-04-16 | 2021-09-10 | 中海油常州涂料化工研究院有限公司 | Oil refining device fractionating tower top corrosion risk monitoring system |
| CN113376342A (en) * | 2021-06-07 | 2021-09-10 | 中国船舶重工集团公司第七一一研究所 | Water quality monitoring system for ship tail gas desulfurization device and control method thereof |
| CN113341095A (en) * | 2021-06-30 | 2021-09-03 | 上官德安 | Oil field reinjection water quality on-line monitoring system and method thereof |
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| C14 | Grant of patent or utility model | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Novel oil field produced water online monitoring system Effective date of registration: 20160301 Granted publication date: 20120502 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Shaanxi Ruihai Lijun Environment Technology Co.,Ltd. Registration number: 2016990000148 |
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Date of cancellation: 20161028 Granted publication date: 20120502 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Shaanxi Ruihai Lijun Environment Technology Co.,Ltd. Registration number: 2016990000148 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Novel oil field produced water online monitoring system Effective date of registration: 20161206 Granted publication date: 20120502 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Shaanxi Ruihai Lijun Environment Technology Co.,Ltd. Registration number: 2016990001057 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180307 Granted publication date: 20120502 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Shaanxi Ruihai Lijun Environment Technology Co.,Ltd. Registration number: 2016990001057 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |