CN102243496A - Remote oil well management method based on mobile communication network and core processor - Google Patents
Remote oil well management method based on mobile communication network and core processor Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a remote oil well management method based on a mobile communication network and a core processor. The method is dependent on an embedded system, the embedded system is based on a global mobile communication network, adopts the core processor and acquires a signal online in real time by virtue of an intelligent instrument, then the core processor reads oil quantity data by virtue of a serial port and directly sends the data into an internal storage RAM (random access memory) to be conveniently processed; and corresponding operations are executed according to different conditions after the oil quantity data is processed by the core processor. In the method disclosed by the invention, an embedded-structure core processor is utilized, reliability is high, no host resource is occupied; the global mobile communication network is adopted, data is rapidly transmitted, and cost is low; a simple and reliable method for discriminating crude oil pulled by staff is adopted, oil quantity data information is judged, and a complex logical method in charge of correlation processing is carried out, thus the method disclosed by the invention has strong functions, high accuracy, wide applicability and fast speed.
Description
Technical field
The invention belongs to control technology field, oil field, relate to a kind of long-range oil well management method based on mobile communication network and core processor.
Background technology
Along with the high speed development of information industry, the information digitalization notion is accepted extensively for growing field, especially is related to the petroleum-based energy industry of national economic development.At present, each elephant adopts to be laid backbone network and carries out information management, but its dependency network signal too needs production unit oneself to lay network, because the complexity of geographical relief causes difficulty of construction to rise, and the cost increasing that causes network to be laid.
Global system for mobile telecommunications, be commonly called as " Global Link ", global system for mobile communications has that anti-pirate ability is strong, network capacity is big, phone number aboundresources, conversation are clear, stability by force, is not subject to disturb, sensitive information, characteristics that the conversation dead angle is few, the difference of it and backbone network maximum is: backbone network needs production unit oneself to lay communication facilitiess such as optical fiber, and the global system for mobile telecommunications network is to have utilized the mobile phone mobile network, avoided the cost of development height like this, the problem that onset is slow.
The digitizing oilfield construction is a complicated system engineering, needs the cooperation development of subjects such as infotech, oil geology, reservoir engineering, business administration.The quality of data, and standardization reliably and intellectualized management are the bases of realizing digital oil field.Wherein, the quality of data relates to data acquisition accurately and reliably, handles and transmission reliably.Standardization and intellectualized management relate to concentrating, classify, managing of data and use i.e. data center's construction.At the theory of datumization oilfield construction, consider the feasibility of practical application, the mode that reads the machine of kowtowing on oil mass data, discriminating staff's identity and the control oil field that adopts at present is respectively: select for use hydrostatic transmitter to measure former weight of oil; Select for use the personal identification IC-card to differentiate staff's identity; Select for use the relay of the big electric current of small electric current control to control the machine work of kowtowing.
The principle of work of static pressure type meter is the product that pressure equals pressure and contact area.Usually select for use intelligence instrument as the instrument of measuring former weight of oil.Intelligence instrument can read former weight of oil in real time, can intercom mutually with other microcomputer, and the data of gathering are transmitted.
IC-card claims integrated circuit card again, and it generally adopts radio-frequency technique and IC-card read write line to carry out communication, so the IC-card read write line is the bridge between IC-card and application system.
Relay is a kind of electronic control device, is applied in the automatic control circuit usually.It is actually a kind of " automatic switch " that removes to control big electric current with less current, so play effects such as automatic adjusting, safeguard protection, change-over circuit in circuit.
In view of existing oil field in long-range oil well management process, communication network construction cost height, can not realize the collector and delivery pipe reason crude oil of robotization effectively, can't find in time that oil mass loses and reported to the police, stealing oily incident often takes place, be badly in need of wanting high long-range oil well management equipment and the management method of a kind of automaticity, satisfy the technical requirement in oil field.
Summary of the invention
The objective of the invention is, a kind of long-range oil well management method based on mobile communication network and core processor is provided, realizes oil field gathering and transportation management crude oil effectively, find that in time oil mass loses and reported to the police, manage Crude Oil Transportation simultaneously, prevent to steal the generation of oily incident.
The technical solution adopted in the present invention is, a kind of long-range oil well management method based on mobile communication network and core processor, this method relies on an embedded system, this embedded system is based on the global system for mobile telecommunications network and utilize core processor, adopt the intelligence instrument online in real time to read oil mass data in the current oil tank, and import the oil mass data in the embedded system core processor by the RS485 serial ports; Core processor compares the oil mass threshold value that the oil mass data that obtain and managerial personnel are provided with, and the branch different situations are carried out corresponding operating, specifically comprise:
When 1), oil mass increases
When if current oil mass data surpass the too high alarm threshold value of oil mass, then embedded system is sent and is reported to the police and inform master system;
When if current oil mass data have surpassed the too high shutdown threshold value of oil mass, embedded system is not only informed master system but also will be closed the machine of kowtowing that connects this oil tank automatically, it is quit work, after in case current oil mass is lower than the too high shutdown threshold value of current oil mass, and the embedded system time is in the machine of the kowtowing working time section that is provided with by managerial personnel, embedded system will be opened the power switch of the machine of kowtowing automatically, and it is reworked;
When 2), oil mass normally reduces
Embedded system sends instruction to obtain the status information of current card reader to the IC card reader, whether the judgment task personnel are pulling crude oil, and mate returning employee's job number data that the status information of coming and master system issue, if coupling, then judging has the staff pulling crude oil, and writes down this staff's job number simultaneously; If do not match, judge that then no staff pulls crude oil,
If have the staff to pull crude oil this moment, system pulls the writing task personnel oil mass data of crude oil eve, after in case the staff stops to pull crude oil, embedded system will be calculated the crude oil quantity that this staff pulls, and job number with this staff, crude oil quantity that pulls and the time that pulls send to master system in the lump, and master system is informed managerial personnel by demonstration or short message mode;
If do not have the staff to pull crude oil this moment, system compares current oil mass data and last oil mass data constantly, descend if find, then write down the oil mass data of eve, and compare with the oil mass data at following a moment, in case after decline was accumulated to the setting value that is provided with by managerial personnel, the SMS notification managerial personnel will be reported to the police and send to embedded system; Otherwise if oil mass does not reach before this setting value, oil mass rises, and then removes the oil mass data of eve record, and the fluctuation of obtaining the oil mass data again changes, if rise, and record not then, otherwise record.
The beneficial effect of the inventive method is:
1) by using global system for mobile communications and based on the embedded system of core processor, carrying out collection, processing and the transmission of oil wells in field production information, cost is low, speed is fast, reliability is high.
2) obtain production scene crude oil reserve information by intelligence instrument, consider the maximum oil reserve of storage tank self and the working condition of the machine of kowtowing, based on current oil reserve and the peaked Processing Algorithm of oil reserve, can in time handle the accident of oil tank roof fall, reduce the production waste of petroleum resources.
3) the decline situation by the analyse crude oil oil mass, the information that is provided with two kinds of situations reports machine-processed algorithm, improved the management system that the staff pulls crude oil, stolen oily phenomenon and can in time report to the police occurent on the production scene simultaneously, made managerial personnel the very first time take corresponding measure.
4) managerial personnel are by the master system transmitting order to lower levels, realize the production status of Long-distance Control oil well, production information also can report master system according to managerial personnel's requirement simultaneously, has improved production efficiency, reduction worker's labour intensity reduces the cost expenditure.
Description of drawings
Fig. 1 is the hardware configuration schematic block diagram of the embedded system of the inventive method employing.
Among the figure, 1. core processor, the 2.CPLD device, 3. switching device one, 4. mobile communication network module, 5.IC card reader, 6. intelligence instrument, 7. seven general-purpose interfaces one, 8. the machine gauge tap of kowtowing relay, 9. the machine gauge tap of kowtowing relay status reads, 10. seven general-purpose interface two, 11. switching devices two.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Along with microelectronic development, core processor has obtained developing rapidly, when performance improves constantly, price constantly reduces, make the embedded information processing technology based on core processor become possibility, for realize being provided with ratio of performance to price height, the telemanagement oil well production system based on global system for mobile communications that reliability is high provides technological means.
As shown in Figure 1, the structure of the embedded system that the inventive method relied on is, comprise core processor 1, core processor 1 is connected with CPLD device 2, CPLD device 2 is connected with two switching devices with spline structure (switching device 1 and switching device 2 11), switching device 1 wherein is connected with IC card reader 5 with mobile communication network module 4 by the RS232 interface, and another switching device 2 11 is connected with intelligence instrument 6 by the RS485 interface; CPLD device 2 is connected with the machine gauge tap relay 8 of kowtowing by seven general-purpose interfaces 1, CPLD device 2 also reads 9 by seven general-purpose interfaces 2 10 of another one with the machine gauge tap relay status of kowtowing and is connected, and core processor 1 also is connected with warning device and master system.
Core processor 1 is selected the main control chip of TMS320DM642 chip as embedded system for use, selects for use corresponding power supply chip to obtain the voltage of 5V and 3.3V according to the power supply of these chip needs;
For the oneself that realizes powering on is restarted and self-loading procedure, the last outer Flash that is added with 4M * 8bit of DM642; Because the internal storage resources of DM642 is less, increased by the asynchronous memory SDRAM of two 4M * 64bit in addition, be used to enlarge the storage data capability of embedded system.
In order to realize the function of controlling able to programme, external memory interface by core processor 1 is connected with CPLD device 2, this CPLD device 2 is used to realize the expansion of external address, drives the device of realizing corresponding function by address extension, as the device of parallel data conversion serial data.
Because mobile communication network module 4, IC card reader 5 and intelligence instrument 6 all communicate with serial mode and outside microcomputer, so system is provided with four serial ports, and a wherein unnecessary serial ports is the reservation serial ports.On CPLD device 2, be mounted with the switching device ((switching device 1 and switching device 2 11 are all selected the TL16C752B model for use) of 2 same parallel data conversion serial datas, and every switching device is all controlled two serial ports, has reached the requirement that is provided with of embedded system hardware.
Because the duty of the machine of kowtowing need be controlled and obtain to embedded system, and the multiplexing function of read-write operation of realization data bus, therefore from DM642, draw the least-significant byte data bus is controlled the relay of the machine work of kowtowing as transmission control and acquisition switching value; Carry out logic determines at the CPLD device inside, realize the multiplexing functions of data bus.
Owing to articulated 8 position datawires on the CPLD device 2, two switching devices, in order to allow core processor 1 can go control, therefore drawn the least-significant byte address bus from core processor 1, after these eight address wires are carried out the logic function interpolation by CPLD device 2, each device and data line are carried out map addresses, and the module that each is connected with CPLD device 2 has all had the map addresses to core processor 1.
Carry out mutual communication in order to allow between CPLD device 2 energy and the core processor 1 (DM642), the control pin of CPLD device 2 and the part control pin of core processor 1 need be joined, by universaling I/O port, DSP control pin and CPLD control pin, realize that CPLD device 2 carries out operate as normal under the control of core processor 1.
But core processor 1 selects for use Shanghai to look the DM642SmartI module of electronics technology company limited, and its CPU is the DM642 chip that American TI Company is produced, and this module has functions such as embedded calculating, machine vision processing and Industry Control.
CPLD device 2 is selected the EPM7128ST100-10 model for use, and this device belongs to the CPLD of the MAX7000 series of altera corp, and this module has digital logic functions, and the user can realize required logic function according to the purpose that is provided with of oneself.
It is the EM310 module of Huawei Company that mobile communication network module 4 is selected for use, and this module has GPRS and functions such as mobile communication function, teleprocessing and other mobile data transmission.
IC card reader 5 selects for use Dongguan City with the glad intelligent TX522 of Science and Technology Ltd. series card reader.Characteristics such as that this card reader has is easy-to-use, highly reliable, multiple interfaces, volume are little are the instruments that a kind of non-contact IC card reads and discerns.
Intelligence instrument 6 is selected the intelligent current/voltage instrument of auspicious exact instrument company limited on the Fujian for use, this instrument is applicable to the demonstration control of multiple physical quantity detection signals such as temperature, humidity, pressure, liquid level, flow, can go the rounds to detect the multichannel measurement signal, and can carry out high-precision linearity correction various non-linear input signals.
In view of above-mentioned structure, the embedded system of the inventive method program run has following function:
1) system can self-electrification reset, the oneself loads, working procedure; 2) system hardware is supported the processing of mass data; 3) system hardware can intercom mutually with gsm module; 4) system hardware can intercom mutually with the IC recognizer; 5) system hardware can intercom mutually with intelligence instrument; 6) system hardware can be controlled the duty of the machine of kowtowing, and promptly the switching value of relay control switch relay is carried out complete control; 7) system hardware can return the duty of the machine of kowtowing, and promptly obtains the switching value of the machine gauge tap relay of kowtowing.
Behind the embedded system process power-on self-test program that the inventive method is used, the initialization setting program, carry out oil mass data acquisition and processing (DAP) program, comprise following content: 1) the power-on self-test program comprises that program is to the copy of SDRAM, so that the back program that powers on can automatically perform among the back FLASH that powers on.2) the initialization setting program is responsible for finishing register and the hardware setting that system works need dispose, comprise system power supply, program storage interface, data-carrier store interface, Ethernet interface and serial port, after initialization was finished, the hardware components of system just can operate as normal.3) oil mass data acquisition and processing (DAP) program is: electrification reset at first, and finish initialized operation and oil mass and detect and judge and note sends the importing of informing managerial personnel's algorithm, and startup A/D continuous working; Send the reading of data instruction by DSP to intelligence instrument, make intelligence instrument ceaselessly the oil mass data be passed to DSP by serial ports, DSP judges according to oil mass data before and the oil mass data of this moment, and with the result of variations storage, ensures the levels of precision of recorded information with this; After oil mass has changed to a certain setting value, can carry out corresponding operating; The corresponding operating that DSP sends judged result and should carry out to management system by short message mode; At this moment, managerial personnel recognize the concrete condition of production scene in real time by management system, and take corresponding measure.
Long-range oil well management method of the present invention, adopt intelligence instrument 6 to read current oil mass data, utilization is carried out data read based on the damascene structures of core processor 1 respectively to current oil mass data, judge the thresholding of oil mass, the identification staff pulls the situation of crude oil, judge the data cases of adjacent oil mass, handle the data decline situation of crude oil, handle the instruction that master system issues, use relay to finish the kowtow switching function of machine of automatic control, concrete information acquisition and processing procedure comprise:
1) reading the oil mass data
At first carry out the initialization setting by 1 pair of intelligence instrument of core processor 6, these settings comprise that the pressure measurement scope of intelligence instrument 6, the address assignment and the instrument of instrument reading object send data by interrupt mode, the machine of kowtowing that is connected with system by general input port will directly deposit in the oil tank from the crude oil of underground mining then, what of oil amount determination intelligence instrument 6 come by reading the pressure of crude oil in the oil tank, obtain the former oil mass of oil mining with this, simultaneously the loss that pulls crude oil and crude oil is obtained the most direct result by the oil mass data in the oil tank.Intelligence instrument 6 imports the oil mass data in the embedded system into by the RS485 serial ports, carries out concrete oil mass data analysis and processing.
2) to the judgement of oil mass thresholding
Because the oil mass of oil tank storage has upper limit regulation, in case oil mass surpasses the upper limit, crude oil will occur and overflow oil tank, " roof fall " phenomenon promptly takes place.Managerial personnel judge by the storable value maximal value to oil tank, and two threshold values are set simultaneously, and wherein the implication of first threshold value is that crude oil has surpassed warning line, but does not arrive the critical value of generation " roof fall " phenomenon; The implication of second threshold value is the storing value that crude oil has reached generation " roof fall " phenomenon.The oil mass data that send to core processor 1 by intelligence instrument 6 are carried out real-time judge, when if the oil mass data surpass first threshold value (the too high alarm threshold value of oil mass), embedded system can produce the alarming short message that oil mass has exceeded warning line, report master system by mobile communication network module 4 (EM310 of Huawei module) simultaneously, and notify managerial personnel by the mode of man-machine interactively interface display or short message prompt, managerial personnel take the concrete measures as the case may be, and managerial personnel can also select to obtain the concrete mode of alarming short message.When the oil mass data that receive surpass second threshold value (the too high shutdown threshold value of oil mass); embedded system not only can produce current oil mass and exceed the alarming short message of warning line and reported master system; also automatic cutout is connected the machine of the kowtowing working power of seven general-purpose interfaces; make that the machine of kowtowing quits work, avoid the roof fall phenomenon to produce.In system time is in the working time section of the machine of kowtowing, and when the oil mass in the oil tank is lower than second threshold value, the machine of the kowtowing working power of closing automatically will be opened automatically and rework.
3) staff is pulled the identification of crude oil situation
Use IC-card to be used for proof of identification, system sends TX522 series IC card reader 5 by the RS232 serial ports and reads current card reader status command, thereby obtains the status information of current I C card reader 5; Mate returning the status information of coming and employee's job number data that master system issues, if contained data and employee's job number Data Matching in the status information, then judgement has the staff pulling crude oil, and writes down this staff's job number simultaneously; If do not match, judge that then no staff pulls crude oil.
4) to the judgement of adjacent oil mass decline situation
If have the staff to pull crude oil this moment, system pulls the writing task personnel oil mass data of crude oil eve, after in case the staff stops to pull crude oil, embedded system will be calculated the crude oil quantity that this staff pulls, and job number with this staff, crude oil quantity that pulls and the time that pulls send to master system in the lump, and master system is informed managerial personnel by demonstration or short message mode.
If do not have the staff to pull crude oil this moment, embedded system compares current oil mass data and last oil mass data constantly, descend if find, then write down the oil mass data in this moment, so that be for further processing, if do not descend, then do not write down the oil mass data in this moment, this process is carried out reading of data by sending instruction mode to intelligence instrument by core processor.
5) to illegally the descend processing of situation of crude oil
The oil mass data of eve record and oil mass data are afterwards analyzed, if oil amount determination continues to descend, the oil mass data that then keep the eve record, and continue and oil mass data are afterwards analyzed, in case after decline was accumulated to the setting value that is provided with by managerial personnel, the SMS notification managerial personnel will be reported to the police and send to embedded system; Otherwise if oil mass does not reach before this setting value, oil mass rises, and then removes the oil mass data of eve record, and the fluctuation of obtaining the oil mass data again changes, if rise, and record not then, otherwise record.
6) processing that sends instructions under the master system
To the instruction that master system issues, according to the difference of its order implication, to operate accordingly, the implication of order comprises:
A. the machine working time section setting of kowtowing: managerial personnel are provided with the time period of the machine work of kowtowing, and make in its time period that operates in setting;
B. oil mass monitoring: when managerial personnel need obtain the oil mass data of oil tank stored, only need to send the oil mass monitor command, just can obtain this data rapidly;
C.IC card management: when the staff pulled crude oil, managerial personnel needed to send the IC-card administration order to system, and this order has comprised and pulls crude oil staff job number;
D., the short message returning time is set: after managerial personnel were provided with the short message returning time and send to embedded system, embedded system will send these oil mass data constantly in the oil tank after system's time each day arrives the passback time;
E., the terminal system initialization is set: this order has comprised the too high alarm threshold value of oil mass, the too high shutdown threshold value of oil mass, the system time corrected value and the machine number of kowtowing; Too high alarm threshold value of oil mass and the too high shutdown threshold value of oil mass are in order to prevent that oil tank from " roof fall " phenomenon taking place, and the system time corrected value is for the corrective system time, and the machine number of kowtowing is normally to move in order to control a plurality of machines of kowtowing simultaneously.
Claims (3)
1. long-range oil well management method based on mobile communication network and core processor, it is characterized in that, this method relies on an embedded system, this embedded system is based on the global system for mobile telecommunications network and utilize core processor (1), adopt intelligence instrument (6) online in real time to read oil mass data in the current oil tank, and import the oil mass data in the embedded system core processor (1) by the RS485 serial ports; Core processor (1) compares the oil mass threshold value that the oil mass data that obtain and managerial personnel are provided with, and the branch different situations are carried out corresponding operating, specifically comprise:
When 1), oil mass increases
When if current oil mass data surpass the too high alarm threshold value of oil mass, then embedded system is sent and is reported to the police and inform master system;
When if current oil mass data have surpassed the too high shutdown threshold value of oil mass, embedded system is not only informed master system but also will be closed the machine of kowtowing that connects this oil tank automatically, it is quit work, after in case current oil mass is lower than the too high shutdown threshold value of current oil mass, and the embedded system time is in the machine of the kowtowing working time section that is provided with by managerial personnel, embedded system will be opened the power switch of the machine of kowtowing automatically, and it is reworked;
When 2), oil mass normally reduces
Embedded system sends instruction to obtain the status information of current card reader to IC card reader (5), whether the judgment task personnel are pulling crude oil, and mate returning employee's job number data that the status information of coming and master system issue, if coupling, then judging has the staff pulling crude oil, and writes down this staff's job number simultaneously; If do not match, judge that then no staff pulls crude oil,
If have the staff to pull crude oil this moment, system pulls the writing task personnel oil mass data of crude oil eve, after in case the staff stops to pull crude oil, embedded system will be calculated the crude oil quantity that this staff pulls, and job number with this staff, crude oil quantity that pulls and the time that pulls send to master system in the lump, and master system is informed managerial personnel by demonstration or short message mode;
If do not have the staff to pull crude oil this moment, system compares current oil mass data and last oil mass data constantly, descend if find, then write down the oil mass data of eve, and compare with the oil mass data at following a moment, in case after decline was accumulated to the setting value that is provided with by managerial personnel, the SMS notification managerial personnel will be reported to the police and send to embedded system; Otherwise if oil mass does not reach before this setting value, oil mass rises, and then removes the oil mass data of eve record, and the fluctuation of obtaining the oil mass data again changes, if rise, and record not then, otherwise record.
2. according to the described long-range oil well management method of claim 1, it is characterized in that, the structure of described embedded system is, comprise core processor (1), core processor (1) is connected with CPLD device (2), CPLD device (2) is connected respectively with switching device two (11) with switching device one (3) simultaneously, switching device one (3) wherein is connected with IC card reader (5) with mobile communication network module (4) by the RS232 interface, and switching device two (11) is connected with intelligence instrument (6) by the RS485 interface; CPLD device (2) is connected with the machine gauge tap relay (8) of kowtowing by seven general-purpose interfaces one (7), CPLD device (2) reads (9) by seven general-purpose interfaces two (10) with the machine gauge tap relay status of kowtowing and is connected, and core processor (1) also is connected with warning device and master system.
3. according to the described long-range oil well management method of claim 1, it is characterized in that described embedded system is handled the instruction that master system issues, comprise following aspect:
A. the machine working time section setting of kowtowing: managerial personnel are provided with the time period of the machine work of kowtowing, and make in its time period that operates in setting;
B. oil mass monitoring: when managerial personnel need obtain the oil mass data of oil tank stored, only need to send the oil mass monitor command, just can obtain this data rapidly;
C.IC card management: when the staff pulled crude oil, managerial personnel needed to send the IC-card administration order to system, and this order has comprised and pulls crude oil staff job number;
D., the short message returning time is set: after managerial personnel were provided with the short message returning time and send to embedded system, embedded system will send these oil mass data constantly in the oil tank after system's time each day arrives the passback time;
E., the terminal system initialization is set: this order has comprised the too high alarm threshold value of oil mass, the too high shutdown threshold value of oil mass, system time corrected value and the machine number of kowtowing.
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| CN1414211A (en) * | 2002-10-22 | 2003-04-30 | 孙殿新 | Oil field production monitoring and management system |
| CN2746121Y (en) * | 2004-08-05 | 2005-12-14 | 北京卓辰基业技术开发有限公司 | Monitoring device for oil well production |
| US20060032533A1 (en) * | 2002-07-08 | 2006-02-16 | Fisher-Rosemount Systems, Inc. | System and method for automating or metering fluid recovered at a well |
| CN102069980A (en) * | 2011-02-23 | 2011-05-25 | 上海江润石油科技有限公司 | Burglar alarm for oil storage tank on oil field site |
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- 2011-07-15 CN CN2011101993624A patent/CN102243496B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060032533A1 (en) * | 2002-07-08 | 2006-02-16 | Fisher-Rosemount Systems, Inc. | System and method for automating or metering fluid recovered at a well |
| CN1414211A (en) * | 2002-10-22 | 2003-04-30 | 孙殿新 | Oil field production monitoring and management system |
| CN2746121Y (en) * | 2004-08-05 | 2005-12-14 | 北京卓辰基业技术开发有限公司 | Monitoring device for oil well production |
| CN102069980A (en) * | 2011-02-23 | 2011-05-25 | 上海江润石油科技有限公司 | Burglar alarm for oil storage tank on oil field site |
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