CN113534709B - Oil well data acquisition and motor protection control system - Google Patents

Oil well data acquisition and motor protection control system Download PDF

Info

Publication number
CN113534709B
CN113534709B CN202110787940.XA CN202110787940A CN113534709B CN 113534709 B CN113534709 B CN 113534709B CN 202110787940 A CN202110787940 A CN 202110787940A CN 113534709 B CN113534709 B CN 113534709B
Authority
CN
China
Prior art keywords
oil well
acquisition
oil
main control
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110787940.XA
Other languages
Chinese (zh)
Other versions
CN113534709A (en
Inventor
马友亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202110787940.XA priority Critical patent/CN113534709B/en
Publication of CN113534709A publication Critical patent/CN113534709A/en
Application granted granted Critical
Publication of CN113534709B publication Critical patent/CN113534709B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423Input/output
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/25Pc structure of the system
    • G05B2219/25257Microcontroller

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention discloses an oil well data acquisition and motor protection control system, wherein the oil well data acquisition and motor protection control system comprises: the system comprises a first acquisition unit, a second acquisition unit, a main control unit, a handheld terminal and a user server; the main control unit is connected with the first acquisition unit and the handheld terminal through a wireless transmission module respectively, connected with a user server through an NB-IoT (network B-IoT) Internet of things module, connected with the second acquisition unit through a circuit and connected with an oil well motor through a relay. The problems that a manual single-item dispersive acquisition mode is adopted for oil well data acquisition in the prior art, a large amount of manpower and material resources are required to be consumed, the timeliness and the accuracy of the data are poor, and faults cannot be found timely and effectively and shutdown maintenance cannot be carried out are solved.

Description

Oil well data acquisition and motor protection control system
Technical Field
The utility model relates to an oil well data acquisition technical field especially relates to an oil well data acquisition and motor protection control system.
Background
The basic data acquisition of present oil field all adopts artifical mode and individual scattered acquisition mode, if: the oil pipe pressure and the casing pressure of the oil well are manually collected by a common pressure gauge; the oil pipe temperature and the casing pipe temperature of the oil well are manually collected by a common thermometer; the electrical parameters of the oil well need to be installed with a separate instrument for single-item collection; the oil well pumping unit also needs to use a special instrument to independently collect the balance rate; the indicator diagram of the oil well needs to be collected by a special person and a professional instrument; the data need a large amount of personnel to go to the field collection, are gathered by the special person again, later upload to the system of administrative department, need to spend a large amount of manpower and materials, and ageing and data accuracy are relatively poor. Meanwhile, as more equipment is installed on the oil well, the failure probability is higher, the machine needs to be stopped for maintenance in time when the failure occurs, and a certain time is needed for manually acquiring data one by one and analyzing the data one by one, so that the failure cannot be found and processed in time.
Disclosure of Invention
In view of the above, the invention provides an oil well data acquisition and motor protection control system, so as to solve the problems that a large amount of manpower and material resources are consumed, the timeliness and the accuracy of data are poor, and a fault cannot be timely and effectively found and shutdown maintenance cannot be performed in the conventional oil well data acquisition mode of manual single-item decentralized acquisition.
The present invention provides a method comprising: the system comprises a first acquisition unit, a second acquisition unit, a main control unit, a handheld terminal and a user server;
the main control unit is connected with the first acquisition unit and the handheld terminal through a wireless transmission module respectively, the main control unit is connected with a user server through an NB-IoT (network B-IoT) Internet of things module, the main control unit is connected with the second acquisition unit through a circuit, and the main control unit is connected with an oil well motor through a relay;
the first acquisition unit and the second acquisition unit are used for acquiring oil well data, and the oil well data acquired by the first acquisition unit comprises: oil pipe pressure, oil pipe temperature, casing pressure, casing temperature, beam-pumping unit horse head position and beam-pumping unit load data, the oil well data that the second acquisition unit gathered include: electrical parameters of the oil well motor;
the handheld terminal or the user server is used for sending one or more acquisition commands to the main control unit according to user operation, and the main control unit controls the first acquisition unit to start acquiring one or more items of oil well data corresponding to the acquisition commands in the oil well data according to the acquisition commands;
the main control unit is used for sending the oil well data collected by the first collecting unit to the handheld terminal or the user server;
the handheld terminal or the user server is further used for sending a shutdown command to the main control unit according to user operation, and the main control unit controls the oil well motor to be closed according to the shutdown command;
the second acquisition unit is used for acquiring the electrical parameters of the oil well motor in real time;
the main control unit is used for processing the electric parameters of the oil well motor collected by the second collecting unit and judging whether the obtained processing result is within a preset value range, if not, the main control unit controls the oil well motor to be closed and sends the processing result to a user server.
Preferably, the handheld terminal is connected with the user server through a wireless transmission module;
and when the handheld terminal receives the oil well data sent by the main control unit, the handheld terminal transmits the oil well data to the user server according to user operation.
Preferably, the first acquisition unit includes:
the oil pipe pressure sensor is arranged inside the oil pipe and used for detecting the pressure in the oil pipe;
the oil pipe temperature sensor is arranged inside the oil pipe and used for detecting the temperature of fluid in the oil pipe;
the sleeve pressure sensor is arranged inside the sleeve and used for detecting the pressure in the sleeve;
the sleeve temperature sensor is arranged inside the sleeve and used for detecting the temperature of fluid in the sleeve;
the position sensor is arranged on a walking beam of the pumping unit and used for detecting the horse head position of the pumping unit;
and the load sensor is arranged in the connector between the lifting rope and the polished rod of the oil pumping unit and is used for detecting the load of the oil pumping unit.
The oil pipe pressure sensor, the oil pipe temperature sensor, the casing pipe pressure sensor, the casing pipe temperature sensor, the position sensor and the load sensor are respectively connected with the main control unit through the wireless transmission module.
Preferably, the first collecting unit further comprises: a solar cell;
the oil pipe pressure sensor, the oil pipe temperature sensor, the sleeve pressure sensor, the sleeve temperature sensor, the position sensor and the load sensor are respectively provided with the solar cell.
Preferably, the second acquisition unit is: a current transformer;
the current transformer is installed between the oil well motor and a power supply and is connected with the main control unit.
Preferably, the main control unit includes:
the processor is connected with the first acquisition unit and the handheld terminal through a wireless transmission module, connected with a user server through an NB-IoT (Internet of things) module, connected with the second acquisition unit through a current-voltage conversion module and connected with an oil well motor through a relay;
the processor is used for controlling the first acquisition unit to start acquiring one or more items of oil well data corresponding to the acquisition command in the oil well data according to the acquisition command sent by the handheld terminal or the user server;
the processor is also used for controlling the oil well motor to be closed according to a shutdown command sent by the handheld terminal or the user server;
the processor is further used for processing the oil well data acquired by the second acquisition unit, judging whether the obtained processing result is within a preset value range, if not, controlling the oil well motor to be closed by the processor, and meanwhile sending the processing result to a user server;
and the data memory is connected with the processor and used for storing the oil well data and the processing result.
Preferably, the method further comprises the following steps: an alarm module;
the main control unit is connected with the alarm module through a relay;
and the alarm module is used for controlling the alarm module to start alarming when the main control unit judges that the processing result is not in the preset value range.
The invention has the following beneficial effects:
the invention provides an oil well data acquisition and motor protection control system, which is characterized in that a handheld terminal and a user server are adopted to send an acquisition command to a main control unit, a first acquisition unit is controlled to acquire oil well data, the main control unit is used for processing the data acquired by the first acquisition unit and a second acquisition unit and then transmitting the processed data to the handheld terminal or the user server, so that a user can monitor various data of an oil well at any time, and the main control unit is used for controlling the starting or the closing of an oil well motor, thereby solving the problems that the manual single-item scattered acquisition mode is adopted for oil well data acquisition in the prior art, a large amount of manpower and material resources are required to be consumed, the timeliness and the accuracy of the data are poor, and faults cannot be found timely and the shutdown maintenance cannot be carried out effectively.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
FIG. 1 is a block diagram of an embodiment of the present invention, illustrating an apparatus for an oil well data acquisition and motor protection control system.
Detailed Description
The present invention will be described below based on examples, but it should be noted that the present invention is not limited to these examples. In the following detailed description of the present invention, certain specific details are set forth. However, the present invention may be fully understood by those skilled in the art for those parts not described in detail.
Furthermore, those skilled in the art will appreciate that the drawings are provided solely for the purposes of illustrating the invention, features and advantages thereof, and are not necessarily drawn to scale.
Also, unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, the meaning of "includes but is not limited to".
FIG. 1 is a block diagram of an embodiment of the present invention, illustrating an apparatus for an oil well data acquisition and motor protection control system. As shown in fig. 1, an oil well data acquisition and motor protection control system includes: the system comprises a first acquisition unit, a second acquisition unit, a main control unit, a handheld terminal and a user server; the main control unit is connected with the first acquisition unit and the handheld terminal through the wireless transmission module respectively, connected with the user server through the NB-IoT internet of things module, connected with the second acquisition unit through a circuit and connected with the oil well motor through a relay.
The NB-IoT Internet of things is a telecom operator cloud relay NB-IoT Internet of things, is constructed in a cellular network, only consumes about 180kHz bandwidth, and can be directly deployed in a GSM network, a UMTS network or an LTE network so as to reduce deployment cost and realize smooth upgrading. Cellular data connectivity to support low power devices over a wide area network, also known as a Low Power Wide Area Network (LPWAN). NB-IoT supports efficient connectivity for devices with long standby time and high requirements for network connectivity. The main control unit is connected with the user server through the NB-IoT internet of things of the telecommunication operator cloud relay, so that remote data transmission is realized, and the use cost is low.
Wherein, wireless transmission module can be bluetooth module or wireless network module, and bluetooth module transmission distance can reach about 100 meters, and when the staff used handheld terminal and master control unit to carry out data transmission near the oil well, bluetooth module's transmission distance can satisfy the transmission needs completely. And the main control unit is installed on the oil well, and efficient transmission can be completed by utilizing the Bluetooth module and the first acquisition unit.
The handheld terminal may be a mobile phone or other mobile devices, and the user server may be a computer, where the handheld terminal and the user server respectively include a processor and a memory, and the memory is loaded with readable program instructions for enabling the processor to implement various aspects of the present invention.
In the invention, the first acquisition unit and the second acquisition unit are used for acquiring oil well data, and the oil well data acquired by the first acquisition unit comprises: oil pipe pressure, oil pipe temperature, casing pressure, casing temperature, beam-pumping unit horse head position and beam-pumping unit load data, the oil well data that the second acquisition unit gathered include: and operating parameters of the oil well motor.
According to the current signals acquired by the second acquisition unit when the oil well motor runs, the active power, the reactive power, the apparent power, the electric quantity and the like of the oil well motor can be obtained through calculation, and the working state of the oil pumping unit can be reflected by analyzing the calculation results in combination with the acquired oil pipe pressure, the acquired oil pipe temperature, the acquired sleeve pipe pressure, the acquired sleeve pipe temperature, the acquired horse head position of the oil pumping unit and the load data of the oil pumping unit, so that the abnormality can be found in time.
In the invention, the handheld terminal or the user server is used for sending one or more acquisition commands to the main control unit according to user operation, and the main control unit controls the first acquisition unit to start acquiring one or more items of oil well data corresponding to the acquisition commands in the oil well data according to the acquisition commands.
The first acquisition unit includes: the oil pipe pressure sensor is arranged inside the oil pipe and used for detecting the pressure in the oil pipe; the oil pipe temperature sensor is arranged inside the oil pipe and used for detecting the temperature of fluid in the oil pipe; the sleeve pressure sensor is arranged inside the sleeve and used for detecting the pressure in the sleeve; the sleeve temperature sensor is arranged inside the sleeve and used for detecting the temperature of fluid in the sleeve; the position sensor is arranged on a walking beam of the pumping unit and used for detecting the position of a horse head of the pumping unit; and the load sensor is arranged in the connector between the lifting rope and the polished rod of the oil pumping unit and is used for detecting the load of the oil pumping unit. The oil pipe pressure sensor, the oil pipe temperature sensor, the casing pipe pressure sensor, the casing pipe temperature sensor, the position sensor and the load sensor are respectively connected with the main control unit through the wireless transmission module.
In order to save electric energy, the first acquisition unit is in a closed state when not required to be acquired, when data are required to be acquired, an operator sends an acquisition command to the main control unit through the handheld terminal or the user server, the main control unit controls the acquisition unit to be started for acquisition, and after the acquisition is finished, the acquisition unit is immediately closed. The operator can control the acquisition unit to acquire data of any several oil wells at any time according to the requirement through the main control unit. After the acquisition unit finishes data acquisition, the data are transmitted to the main control unit through the Bluetooth module.
The pressure sensor and the temperature sensor can adopt a pressure and temperature integrated sensor. The oil pipe pressure sensor and the sleeve pressure sensor are diffused silicon pressure sensors; the oil pipe temperature sensor and the sleeve pipe temperature sensor are NTC temperature sensors. An oil pipe pressure sensor and an oil pipe temperature sensor are installed in a reserved installation hole of a wellhead oil pipe, and a sleeve pipe pressure sensor and a sleeve pipe temperature sensor are installed in a reserved installation hole of a wellhead sleeve pipe. The position sensor is a gyroscope sensor. The load cell is a diffused silicon sensor. The pressure sensor, the temperature sensor, the position sensor and the load sensor are respectively internally provided with a single chip microcomputer, signals collected by the sensors can be calculated to obtain corresponding temperature data and pressure data of an oil pipe and a sleeve, as well as horse head position data and load data of the oil pumping unit, and the oil well data are transmitted to the main control unit through a Bluetooth module arranged in the oil well data.
In the embodiment of the invention, when data acquisition is required, a user selects oil well data required to be acquired, such as: the system comprises an oil pipe pressure sensor, an oil pipe temperature sensor, a sleeve pressure sensor, a sleeve temperature sensor, a pumping unit horse head position sensor, a pumping unit load sensor and the like, wherein a user sends a corresponding oil pipe pressure acquisition command, an oil pipe temperature acquisition command, a sleeve pressure acquisition command, a sleeve temperature acquisition command, a pumping unit horse head position acquisition command and a pumping unit load acquisition command to a main control unit through a handheld terminal or a user server, and after receiving one or more acquisition commands through a Bluetooth module or an NB-IoT (network of things) module, the main control unit sends signals through the Bluetooth module to control the oil pipe temperature sensor, the oil pipe pressure sensor, the sleeve temperature sensor, the sleeve pressure sensor, the position sensor and the load sensor to start and acquire data and transmits the acquired oil well data back to the main control unit.
In the invention, the main control unit is used for sending the oil well data collected by the first collecting unit to the handheld terminal or the user server.
In the embodiment of the invention, if a user sends an acquisition command to the main control unit through the handheld terminal, the main control unit packs and encrypts the oil well data when receiving the oil well data acquired by the first acquisition unit, and then transmits the oil well data to the handheld terminal sending the acquisition command to the main control unit through the Bluetooth module; if the user sends an acquisition command to the main control unit through the user server, the main control unit sends the oil well data to the user server through the NB-IoT internet of things module when receiving the oil well data acquired by the first acquisition unit.
In the invention, the handheld terminal or the user server is also used for sending a shutdown command to the main control unit according to the user operation, and the main control unit controls the oil well motor to be closed according to the shutdown command.
In the embodiment of the invention, after a user receives the oil well data acquired by the first acquisition unit through the handheld terminal or the user server, the oil well data can be judged and analyzed, if the data is abnormal, the operation of the oil well pumping unit is possible to break down, at the moment, the user can send a shutdown command to the main control unit through the handheld terminal or the user server, and the main control unit controls the oil well motor to be closed in time, so that accidents caused by the continuous operation of the oil pumping unit are prevented.
In the invention, the second acquisition unit is used for acquiring the electrical parameters of the oil well motor in real time.
The second acquisition unit is: and the current transformer is arranged between the oil well motor and the power supply and is connected with the main control unit.
In the embodiment of the invention, the current transformer is connected with the main control unit through the current-voltage conversion circuit. The electric parameters of the oil well motor comprise a current value and a voltage value when the oil well motor runs.
In the invention, the main control unit is used for processing the electric parameters of the oil well motor collected by the second collecting unit and judging whether the obtained processing result is in a preset value range, if not, the main control unit controls the oil well motor to be closed and simultaneously sends the processing result to the user server.
In the embodiment of the present invention, the processing, by the main control unit, of the current and voltage signals acquired by the second acquisition unit during the operation of the oil well motor includes: and calculating the active power, the reactive power, the apparent power, the electric quantity, the balance rate and the oil pumping unit sprint frequency of the oil well motor according to the current and voltage signals. The main control unit judges whether the numerical value of the calculated processing result is within a preset value range or not, if not, the problem of the operation of the oil well motor is shown, the main control unit controls the oil well motor to be turned off through a relay, and meanwhile, the processing result is packaged and encrypted and then transmitted to a user server.
In the invention, the handheld terminal is connected with a user server through a wireless transmission module; and when the handheld terminal receives the oil well data sent by the main control unit, the handheld terminal transmits the oil well data to the user server according to the user operation.
In the embodiment of the invention, after the main control unit transmits the oil well data to the handheld terminal, the handheld terminal can store the oil well data, and after a user uses the handheld terminal to connect different main control units of different oil wells and collects and stores the oil well data of a plurality of oil wells, the user can uniformly pack and encrypt the collected oil well data of the plurality of oil wells through the handheld terminal and then send the oil well data to the user server, so that the user server can conveniently collect and analyze the oil well data.
In the present invention, the first collecting unit further includes: a solar cell; and the oil pipe pressure sensor, the oil pipe temperature sensor, the sleeve pipe pressure sensor, the sleeve pipe temperature sensor, the position sensor and the load sensor are respectively provided with a solar cell.
In the embodiment of the invention, most of the sensors used on the oil well are powered by lithium batteries, and the sensors are frequently taken out to charge the batteries when in use.
In the present invention, the main control unit includes: the processor is connected with the first acquisition unit and the handheld terminal through the wireless transmission module respectively, connected with the user server through the NB-IoT Internet of things module, connected with the second acquisition unit through the current-voltage conversion module and connected with the oil well motor through the relay; the processor is used for controlling the first acquisition unit to start acquiring one or more items of oil well data corresponding to the acquisition command in the oil well data according to the acquisition command sent by the handheld terminal or the user server; the processor is also used for controlling the oil well motor to be closed according to a shutdown command sent by the handheld terminal or the user server; the processor is also used for processing the oil well data acquired by the second acquisition unit, judging whether the obtained processing result is within a preset value range, if not, controlling the oil well motor to be closed by the processor, and simultaneously sending the processing result to the user server; and the data memory is connected with the processor and used for storing the oil well data and the processing result.
In the embodiment of the invention, a display screen and an operation panel are installed on a box body of a main control unit, a system program is loaded in a processor of the main control unit, and the processor is connected with the display screen and the operation panel through a circuit. The user can also send a collection signal to the main control unit by pressing a corresponding oil well data collection key on the operation panel, and the main control unit is controlled to collect data through the first collection unit. The oil well data that the main control unit was gathered through first acquisition unit and the real-time oil well data that gather through second acquisition unit can all show through the display screen. A user can send a stop or start signal to the processor through a stop or start button on the operation panel, and the processor controls the oil well motor to be started or stopped through the relay.
In the present invention, the method further comprises: an alarm module; the main control unit is connected with the alarm module through a relay; and the alarm module is used for controlling the alarm module to start alarming when the main control unit judges that the processing result is not in the preset value range.
In the embodiment of the invention, the alarm module can be an audible and visual alarm. When the main control unit judges that the processing result obtained after the second acquisition unit calculates and processes the electrical parameters of the oil well motor is not within the range of the preset value, the abnormal operation of the oil well motor is indicated, and the main control unit controls the audible and visual alarm to start through the relay to give an alarm.
In the embodiment of the invention, each oil well is provided with a main control unit, a first acquisition unit and a second acquisition unit. When a user holds a handheld terminal to be close to a certain oil well main control unit within 100 meters, the handheld terminal is automatically connected with the main control unit through Bluetooth, when the main control unit detects the handheld terminal equipment connected with the Bluetooth, the main control unit sends corresponding oil well pumping unit number and well number to the connected handheld terminal equipment, after confirming that the main control unit is connected, the user sends one or more acquisition commands to the main control unit through the operation of the handheld terminal, such as an oil pipe pressure acquisition command, an oil pipe temperature acquisition command, a casing pipe pressure acquisition command, a casing pipe temperature acquisition command, a mule head position acquisition command of a pumping unit and a pumping unit load acquisition command, after receiving the acquisition commands, the main control unit controls an oil pipe pressure sensor, an oil pipe temperature sensor, a casing pipe pressure sensor, a casing pipe temperature sensor, a position sensor and a load sensor of a first acquisition unit to be started, the oil pipe pressure, the oil pipe temperature, the casing pressure, the casing temperature, the horse head position of the oil pumping unit and the load data of the oil pumping unit are collected, the collected oil well data are transmitted to the main control unit through the Bluetooth module by the first collecting unit, and the main control unit sends the oil well data to the handheld terminal through the Bluetooth module. The user can also send an oil well motor electrical parameter acquisition command to the main control unit through the handheld terminal, the main control unit sends the values of the current and the voltage of the oil well motor acquired in real time, and the values of the active power, the reactive power, the apparent power, the electric quantity, the balance rate, the oil pumping unit sprint frequency and the like of the oil pumping unit obtained after calculation to the handheld terminal, and the user can observe the acquired oil well data on the handheld terminal. When the user receives the oil well data through the handheld terminal, the oil well data can be sent to the user server through the wireless network to be stored and analyzed in a unified mode. When a user observes that the collected oil well data are abnormal through the handheld terminal, a shutdown command can be sent to the main control unit through the handheld terminal, and the main control unit controls the oil well motor to be shut down.
The main control units of a plurality of oil wells can be respectively connected with a user server through the NB-IoT internet of things module, a user can send acquisition commands to the main control units of one or more oil wells through the user server, such as an oil pipe pressure acquisition command, an oil pipe temperature acquisition command, a casing pressure acquisition command, a casing temperature acquisition command, an oil pumping unit horse head position acquisition command, an oil pumping unit load acquisition command and/or an oil well motor electrical parameter acquisition command, the main control unit controls the first acquisition unit to start an oil pipe pressure sensor, an oil pipe temperature sensor, a casing pressure sensor, a casing temperature sensor, a position sensor and a load sensor according to the acquisition command sent by the user server, collecting oil pipe pressure, oil pipe temperature, casing pressure, casing temperature, horse head position of pumping unit and loading data of pumping unit, and sending the collected oil well data to a user server through an NB-IoT Internet of things module. And meanwhile, the main control unit sends the oil well motor electrical parameters acquired by the second acquisition unit in real time and the numerical values of the oil pumping unit such as active power, reactive power, apparent power, electric quantity, balance rate, oil pumping unit sprint frequency and the like acquired through calculation to a user server through the NB-IoT Internet of things module. When a user observes that the collected oil well data are abnormal through the user server, a shutdown command can be sent to the main control unit through the handheld terminal, and the main control unit controls the oil well motor to be shut down.
The main control unit acquires the current and the voltage of the oil well motor in real time through a current transformer of the second acquisition unit, and obtains numerical values such as active power, reactive power, apparent power, electric quantity, balance rate, oil pumping unit sprint frequency and the like of the oil pumping unit through calculation.
The user can send a collection command to the main control unit at any time through the user server or the handheld terminal to collect data, or set a timing collection time (for example, every 1 hour) in a system program of the processor of the main control unit, the main control unit sends a collection signal to the first collection unit at the set collection time to collect oil well data, and sends the oil well data collected by the first collection unit and the oil well data collected by the second collection unit in real time to the handheld terminal or the user server.
The invention collects multiple data of the oil well, sends a collection command to the main control unit through the handheld terminal or the user server, can quickly finish collection, uploading, storage and analysis at a certain time, and a user can send a shutdown or start command to the main control unit through the handheld terminal or the user server, thereby controlling the starting or the closing of the oil well motor, timely closing the oil well motor when abnormity occurs, playing a role of protecting the oil well motor, and simultaneously having the functions of fault alarm and the like. The sensor is powered by combining solar energy and a lithium battery, and can be maintained without charging or replacing the lithium battery all the year round under the condition of infrequent data acquisition amount.
The invention solves the problems of poor timeliness, large data error and data falsification widely existing in the data acquisition of the oil field oil well; need not operating personnel and forceful electric power equipment contact during oil well data acquisition and equipment operation, prevent that operating personnel from having the risk of electrocution, reduced a large amount of personnel and equipped with, also reduced equipment investment and equipment maintenance personnel simultaneously. The invention can find the abnormal condition of the oil well in time, deal with the problem in time, play the role of reducing consumption and improving efficiency.
The above examples are merely illustrative of the present invention, and are described in more detail, but not intended to limit the scope of the invention. It should be noted that, for those skilled in the art, various changes, substitutions of equivalents, improvements and the like can be made without departing from the spirit of the invention, and these are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (6)

1. The utility model provides an oil well data acquisition and motor protection control system which characterized in that includes: the system comprises a first acquisition unit, a second acquisition unit, a main control unit, a handheld terminal and a user server;
the main control unit comprises a processor and a data memory;
the processor is connected with the first acquisition unit and the handheld terminal through a wireless transmission module respectively, connected with a user server through an NB-IoT (NB-IoT) Internet of things module, connected with the second acquisition unit through a circuit and connected with an oil well motor through a relay; the wireless transmission module is a Bluetooth module, when the handheld terminal is close to the main control unit within 100 meters, the handheld terminal is automatically connected with the processor through the Bluetooth module, and when the processor detects that the Bluetooth is connected to the handheld terminal device, the processor sends the corresponding oil well pumping unit number and the well number to the handheld terminal;
the first acquisition unit and the second acquisition unit are used for acquiring oil well data, and the oil well data acquired by the first acquisition unit comprises: oil pipe pressure, oil pipe temperature, casing pressure, casing temperature, beam-pumping unit horse head position and beam-pumping unit load data, the oil well data that the second acquisition unit gathered include: an oil well motor electrical parameter, wherein the oil well motor electrical parameter comprises: the current value and the voltage value when the oil well motor operates;
the first acquisition unit is in a closed state when acquisition is not needed, and when data acquisition is needed, one or more acquisition commands are sent to the processor through the handheld terminal or the user server;
the processor controls the first acquisition unit to start acquiring one or more items of oil well data corresponding to the acquisition command in the oil well data according to the received acquisition command, after the first acquisition unit finishes acquisition, the oil well data are transmitted to the processor through the Bluetooth module, the processor is used for sending the oil well data acquired by the first acquisition unit to the handheld terminal or the user server, and after the acquisition is finished, the processor controls the first acquisition unit to be closed;
the handheld terminal or the user server is further used for sending a shutdown command to the processor according to user operation, and the processor is further used for controlling the oil well motor to be shut down according to the shutdown command;
the second acquisition unit is used for acquiring the electrical parameters of the oil well motor in real time;
the processor is also used for processing the electric parameters of the oil well motor acquired by the second acquisition unit and judging whether the obtained processing result is within a preset value range, if not, the main control unit controls the oil well motor to be closed and sends the processing result to a user server; wherein, the oil well motor parameter that the treater was gathered to the second acquisition unit is handled and is included: according to the current value and the voltage value of the motor acquired by the second acquisition unit, the active power, the reactive power, the apparent power, the electric quantity, the balance rate and the sprint frequency of the oil pumping unit of the oil well motor are obtained through calculation;
the data memory is connected with the processor and used for storing the oil well data and the processing result.
2. The well data collection and motor protection control system of claim 1, wherein: the handheld terminal is connected with the user server through a wireless transmission module;
and when the handheld terminal receives the oil well data sent by the main control unit, the handheld terminal transmits the oil well data to the user server according to user operation.
3. The well data collection and motor protection control system of claim 1, wherein said first collection unit comprises:
the oil pipe pressure sensor is arranged inside the oil pipe and used for detecting the pressure in the oil pipe;
the oil pipe temperature sensor is arranged inside the oil pipe and used for detecting the temperature of fluid in the oil pipe;
the sleeve pressure sensor is arranged inside the sleeve and used for detecting the pressure in the sleeve;
the sleeve temperature sensor is arranged inside the sleeve and used for detecting the temperature of fluid in the sleeve;
the position sensor is arranged on a walking beam of the pumping unit and used for detecting the position of a horse head of the pumping unit;
the load sensor is arranged in the connector between the lifting rope and the polished rod of the oil pumping unit and is used for detecting the load of the oil pumping unit;
the oil pipe pressure sensor, the oil pipe temperature sensor, the casing pipe pressure sensor, the casing pipe temperature sensor, the position sensor and the load sensor are respectively connected with the main control unit through the wireless transmission module.
4. The well data collection and motor protection control system of claim 3, wherein said first collection unit further comprises: a solar cell;
the oil pipe pressure sensor, the oil pipe temperature sensor, the sleeve pressure sensor, the sleeve temperature sensor, the position sensor and the load sensor are respectively provided with the solar cell.
5. The well data collection and motor protection control system of claim 1, wherein said second collection unit is: a current transformer;
the current transformer is installed between the oil well motor and a power supply and is connected with the main control unit.
6. The well data collection and motor protection control system of any one of claims 1-5, further comprising: an alarm module;
the main control unit is connected with the alarm module through a relay;
and the alarm module is used for controlling the alarm module to start alarming when the main control unit judges that the processing result is not in the preset value range.
CN202110787940.XA 2021-07-13 2021-07-13 Oil well data acquisition and motor protection control system Active CN113534709B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110787940.XA CN113534709B (en) 2021-07-13 2021-07-13 Oil well data acquisition and motor protection control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110787940.XA CN113534709B (en) 2021-07-13 2021-07-13 Oil well data acquisition and motor protection control system

Publications (2)

Publication Number Publication Date
CN113534709A CN113534709A (en) 2021-10-22
CN113534709B true CN113534709B (en) 2022-09-16

Family

ID=78127570

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110787940.XA Active CN113534709B (en) 2021-07-13 2021-07-13 Oil well data acquisition and motor protection control system

Country Status (1)

Country Link
CN (1) CN113534709B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116545307B (en) * 2023-05-08 2024-04-16 深圳市创达电子有限公司 DC brushless motor control system and method

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001023705A1 (en) * 1999-09-29 2001-04-05 Weatherford/Lamb, Inc. Remote control and monitoring of oil and gas production wells
CN101078920A (en) * 2007-05-25 2007-11-28 东营汇安高科电子有限责任公司 Oil well dynamic energy-saving device
CN201061124Y (en) * 2007-05-25 2008-05-14 东营汇安高科电子有限责任公司 Intelligent terminal system of oil well
CN203241817U (en) * 2013-05-29 2013-10-16 中国石油天然气集团公司 On-line intelligent analysis and control system for operation parameters of oil pumping machine
CN103389664A (en) * 2013-07-11 2013-11-13 马友亮 Intelligent electric motor protection and control device
CN203338059U (en) * 2013-07-11 2013-12-11 马友亮 Intelligent motor protection control device
CN103912261A (en) * 2012-12-31 2014-07-09 天津市正方科技发展有限公司 Wireless oil well automatic metering and detecting system
CN103926899A (en) * 2014-04-21 2014-07-16 长春市万易科技有限公司 Multifunctional remote data monitoring system based on Internet of Things oil field
CN104898579A (en) * 2014-03-04 2015-09-09 沈阳中科奥维科技股份有限公司 Oil pumping well data acquisition control system and method based on wireless network
CN206178422U (en) * 2016-11-21 2017-05-17 新疆熙泰石油装备有限公司 Oil field intelligence management and control device based on thing networking
CN206224577U (en) * 2016-11-30 2017-06-06 西安石油大学 A kind of pumpingh well monitoring system
CN107544393A (en) * 2017-09-25 2018-01-05 南京律智诚专利技术开发有限公司 Oil well automated management system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203084529U (en) * 2013-01-28 2013-07-24 盘锦辽河油田博洋工控技术有限公司 Monitoring system for oil pumping unit platform

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001023705A1 (en) * 1999-09-29 2001-04-05 Weatherford/Lamb, Inc. Remote control and monitoring of oil and gas production wells
CN101078920A (en) * 2007-05-25 2007-11-28 东营汇安高科电子有限责任公司 Oil well dynamic energy-saving device
CN201061124Y (en) * 2007-05-25 2008-05-14 东营汇安高科电子有限责任公司 Intelligent terminal system of oil well
CN103912261A (en) * 2012-12-31 2014-07-09 天津市正方科技发展有限公司 Wireless oil well automatic metering and detecting system
CN203241817U (en) * 2013-05-29 2013-10-16 中国石油天然气集团公司 On-line intelligent analysis and control system for operation parameters of oil pumping machine
CN103389664A (en) * 2013-07-11 2013-11-13 马友亮 Intelligent electric motor protection and control device
CN203338059U (en) * 2013-07-11 2013-12-11 马友亮 Intelligent motor protection control device
CN104898579A (en) * 2014-03-04 2015-09-09 沈阳中科奥维科技股份有限公司 Oil pumping well data acquisition control system and method based on wireless network
CN103926899A (en) * 2014-04-21 2014-07-16 长春市万易科技有限公司 Multifunctional remote data monitoring system based on Internet of Things oil field
CN206178422U (en) * 2016-11-21 2017-05-17 新疆熙泰石油装备有限公司 Oil field intelligence management and control device based on thing networking
CN206224577U (en) * 2016-11-30 2017-06-06 西安石油大学 A kind of pumpingh well monitoring system
CN107544393A (en) * 2017-09-25 2018-01-05 南京律智诚专利技术开发有限公司 Oil well automated management system

Also Published As

Publication number Publication date
CN113534709A (en) 2021-10-22

Similar Documents

Publication Publication Date Title
CN109950944B (en) Portable power supply device and portable power supply system
CN108871434B (en) Online monitoring system and method for rotating equipment
CN105446328B (en) Generating set remote fault diagnosis and health monitoring systems and data capture method
US11536774B2 (en) Communication device, information processing system, information processing method, and computer program
CN103917883A (en) Battery-state monitoring system
CN108894932B (en) Intelligent diagnosis system and method for bearing fault of generator of wind turbine generator
CN103402217A (en) Base station antenna parameter processing system
CN108736574A (en) A kind of intelligent monitoring terminal of base station oil engine, regulation and control method and monitoring system
CN102854474A (en) Online detection method for actual capacity of storage batteries
CN111722124B (en) A battery online status monitoring system and monitoring method
CN105044604A (en) Storage battery pack online monitoring system and monitoring method thereof
CN113534709B (en) Oil well data acquisition and motor protection control system
CN105186049A (en) Intelligent management system and management method for battery pack
CN216144922U (en) Motor state monitoring sensor and system
CN111769643A (en) Intelligent power distribution equipment, distribution box and power distribution monitoring system based on Internet of things
CN103185864A (en) Storage battery monitoring system, method and device
CN115980632A (en) Device and method for monitoring state of cable intermediate joint
CN204928219U (en) Lead acid battery system and intelligent system
CN109520657A (en) A kind of universal open isolating switch clamps force tester and test method
CN111077459A (en) An RV power monitoring and management system
CN112068006A (en) Laboratory equipment safe operation and maintenance platform based on cloud computing
CN110109021B (en) Battery electric quantity acquisition system, method and device
CN110095734B (en) UPS automatic test system
CN112886706A (en) Power transmission and distribution line state monitoring and operation and maintenance service system
CN213817354U (en) Intelligent management system for storage battery of transformer substation

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant