CN100485417C - Multi-parameter collecting system and long-distance monitoring system utilizing the same system - Google Patents
Multi-parameter collecting system and long-distance monitoring system utilizing the same system Download PDFInfo
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Abstract
The multi-parameter acquisition system includes parameter acquisition unit for collecting several parameters in the drilling operation and downhole remedial operation; central processor for receiving and processing several parameter signals collected by the described parameter acquisition unit; and recording and displaying unit for recording and/or displaying signal processed by central processor. Besides, said invention also provides a remote monitoring system adopting the above-mentioned multi-parameter acquisition system.
Description
Technical field
The present invention relates to repair in the oil field, the monitoring technology of drilling operation, but the multi-parameters sampling system of the important parameter in particularly a kind of continuous monitoring, record well workover or the drilling process and utilize this device to repair/drilling process carries out the remote supervision system of remote monitoring.
Background technology
In petroleum industry, in well workover or drilling process, need to important parameters such as hook weigh, TORQ, rotary speed, standpipe pressure, mud outlet discharge capacity, mud backflow discharge capacity detect, record, grasp the duty of workover rig or trepan to help driller or well workover slip-stick artist.Need the operation parameter harvester to come these specific physical parameters are gathered, monitored for this reason.But, just known to the applicant, but the multi-parameters sampling system that uses in the repairing of commercialization/drilling process is not arranged as yet at present.
China's utility model patent 98248745.2 discloses a kind of general data collector, and it comprises several parts such as central processor unit, system peripherals circuit unit, system clock unit, watchdog circuit, serial interface unit, analog quantity input interface, system time unit, digital-quantity input interface unit, printing device interface, power supply interface unit.Duty by the central processor unit control device, it is connected with power supply unit by the power supply interface unit respectively, be connected with demonstration/keyboard unit by serial interface unit, be connected with the printing device interface by the system control signal unit in the system peripherals circuit unit; Watchdog circuit, analog quantity input interface directly are connected with central processing unit; System time unit, system peripherals circuit unit and digital-quantity input interface unit all are connected with central processor unit by internal system; The system peripherals circuit unit is made up of data-carrier store, program storage, system control signal unit.
This invention has characteristics such as integrated level height, digitizing, intellectuality substantially, but it obviously can't be applicable to and repair/trepan adopts several collections, because have relatively high expectations aspect shock resistance, explosion-proof, water proofing property and the corrosion resistance of operating equipment in the repairing of oil field/drill-well operation.In addition, also there is following shortcoming in the equipment of above-mentioned utility model:
A. do not have communication function, be not easy to the transmission of teledata;
B. do not have supporting software systems, the parameter that the monitors mode with numeral, panel board, curve can not be showed;
C. poor reliability does not possess the condition of working under the rugged surroundings.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of and have the monitoring of concentrating and repair/function of the multiple parameter of drill-well operation and be furnished with repairing/trepan multi-parameters sampling system of communication function.
Comprise according to multi-parameters sampling of the present invention system: parameter acquisition unit, the multiple parameter that is used for gathering drilling well and work-over operation; Central processing unit receives and handles the multiple parameter signal that described parameter acquisition unit is gathered; Recording and displaying unit is used for record and/or shows described signal processed by central processor.
Wherein, described parameter acquisition unit comprises: sensor unit is used for directly detecting multiple parameter; Signal transmission unit is used for the detection signal of mechanical sensor is transformed to electric signal; Safety barrier, described electric signal is sent to described central processing unit by this safety barrier and handles.
Wherein said sensor unit can include, but is not limited to: weight transduser, and the standpipe pressure sensor, rotary table torque sensor, the rotary speed sensor, pump is towards sensor etc.
Wherein, display unit can comprise Displaying Meter, display, registering instrument, printer, plotting apparatus etc.These devices can be concentrated and be set together, or in the scene of being separately positioned on and far away and the monitoring station.
According to a further aspect in the invention, also provide a kind of remote supervision system, this system comprises as the described multi-parameters sampling of first aspect present invention system, in addition, also comprise wireless communication unit, be arranged in the multi-parameters sampling system body, comprise wireless network card and transmission unit; Remote monitoring unit, be arranged with described multi-parameters sampling system body branch, comprise and corresponding wireless network card of described wireless communication unit and transport module, to carry out radio communication with the wireless communication unit that is arranged in the on-the-spot multi-parameters sampling system, obtain the signal of handling through described central processing unit, repair/operation of trepan with monitoring from afar.
Technology provided by the present invention compared with prior art, have following advantage: package unit has communication function and is furnished with relevant software kit, measurement is accurate, reliability is high, have antidetonation, explosion-proof, waterproof, corrosion resistant characteristics, can guarantee to repair/trepan safety, improve repair/trepan efficient, guarantee to repair/drilling quality, reduce and repair/drilling cost.
Description of drawings
Fig. 1 is the structured flowchart of the multi-parameters sampling system of one embodiment of this invention;
Fig. 2 is the bus connection diagram of the multi-parameters sampling system of one embodiment of this invention;
Fig. 3 is the bus connection diagram of the multi-parameters sampling system of another embodiment of the present invention;
Fig. 4 is the circuit connection diagram of the multi-parameters sampling system of one embodiment of this invention;
Fig. 5 (a) to (c) has shown the user interface of in one embodiment of this invention sensor being demarcated respectively;
Fig. 6 has shown the user interface that is used for data processing;
Fig. 7 (a) and (b) be respectively the network topology structure figure of the embodiment of remote supervision system of the present invention.
Embodiment
Below in conjunction with description of drawings the specific embodiment of the present invention.Identical device marks with identical symbol of answering in each accompanying drawing.
In of the present invention a kind of embodiment shown in Figure 1, be used to detect repair/the multi-parameters sampling system of the multiple parameter of trepan comprises sensor unit, safety barrier 13, power module 8 and back-up source 9 that various sensors and transmitter 1-7 constitute, data acquisition central processing unit 10, terminal data processing unit 12, printer 11 etc.
In this embodiment, the sensor unit can comprise the capacitance transducer 1 that is arranged on the well site, is used to detect suspending weight and claims hook to promote load, pressure unit 2,3 and torque signal coupling mechanism 4.And, also be provided with backflow sensor 5 in the steam piano district, and be used to detect the metering of mud backflow total amount, and pump punch speed sensor 6 and 7, be used for measuring respectively the accumulative total discharge capacity of steam piano.These sensor/transmitter all can adopt existing product, therefore repeat no more.Because this part device is in inflammable and explosive district, the therefore preferred device that adopts explosion-proof type, intrinsic safety type, pouring type or flame-proof type.
Figure 2 shows that the bus connection diagram of device of the present invention.In the figure, weight transduser 1 is connected with weight indicator display dial 16 in the on-the-spot display unit (for example instrument box) on the one hand, exports electric signal to central processing unit 10 by pressure transducer 1A on the other hand.The pressure of the drill is according to carrying on the suspending weight to necessarily, when transferring then drilling tool is pressurizeed, calculate the pressure of the drill by obtaining suspending weight, delivering to the pressure of the drill indicator gauge again and show for on-the-spot.Standpipe pressure sensor 3 is sent into hydraulic pressure signal in the on-the-spot display unit by the hydraulic pressure associated line and is shown with tensimeter 15.Standpipe pressure becomes hydraulic pressure signal into electric signal by pressure unit, sends into central processing unit 10 in the lump with the pressure of the drill 2.Rotary table torque sensor 4, rotary speed sensor 5, pump punch speed sensor 6,7 and pumping rate sensor 7A etc. send electric signal into central processing unit 10 by stube cable respectively.In addition, provide power supply by 9 pairs of whole devices of power module.
In of the present invention a kind of embodiment shown in Figure 3, in order to guarantee reliability, each sensor at scene has been disposed backup sensors respectively, thereby constituted one group of normal sensor and one group of backup sensors that detects field monitoring.The electric signal of this two sensors output is delivered to data acquisition CPU (central processing unit) 10 by multichannel A/D modular converter respectively.Data acquisition CPU (central processing unit) 10 can be made of the computing machine of routine, and computing machine can directly show on its display after the signal that sensor is transmitted is handled.In addition, also result can be converted to simulating signal through multichannel D/A converting unit again, output in the corresponding simulation Displaying Meter and show.
Fig. 4 has shown a kind of embodiment according to multi-parameters sampling of the present invention system.
As shown in the figure, the ADAM 401,402 among the figure adopts two ADAM-4080 modules, is used for frequency acquisition (pulse) signal.ADAM 403 modules adopt the ADAM-4017 module, are used to gather simulating signal (electric current 4-20mA).MXSE 404 (D/A) is a D/A converter module, is used for converting digital signal to simulating signal output, to drive Displaying Meter such as weight indicator or the pressure of the drill indicator gauge etc.ADAM 401-403 signal wire and connect after be connected to computing machine, connecting line signal one end on the MXSE connects computing machine, the other end is connected to Displaying Meter.
The data pin of ADAM 401-403 (Y) DATA+ and (G) be connected to computing machine after the DATA-parallel connection and be used for input signal.ADAM 401-403 power supply is given in the power supply of ADAM 401-403 (R)+VS and ground (B) GND parallel connection respectively.Power supply (R) VS is connected to together and is connected to corresponding detecting unit 1-7.For example, the terminals 1 of standpipe pressure sensor 3 are connected with the 24V+ power supply, terminals 2 ground connection (GND), and terminals 3 shipping riser signals+.The terminals 1 of capacitive pick-up 1 connect the 24V+ power supply, 2 ground connection (GND), and 3 output suspending weight signals+.Terminals 3, the 4 difference rear pumps 1 of pumping rate sensor 7A and the signal of pump 2, terminals 1 meet 24V+, terminals 2 ground connection.Torque sensor 4 and speed probe 5 shared terminal blocks.Its terminals 1 meet 15V+, terminals 2 ground connection, and terminals 3 meet 15V-, and terminals 4 and 5 are output torque signal and drilling speed signal respectively.
Output terminal (not shown) and the driller shown in Fig. 2 that computing machine among Fig. 4 and pointer gauge are connected to terminal data processing centre (DPC) respectively show.
According to a kind of embodiment of the present invention, in terminal data processing unit 12, can adopt the mode of built-in application software to realize needed data processing and monitoring function.
The data processing of system according to the invention and monitoring function can comprise:
One, basic data maintenance: be used to program that some basic data are provided, carry out system data dictionary, show the maintenance of print parameters, device parameter
Specifically, it comprises:
1, well workover team dictionary: manage the basic condition of each well workover team, the Data Source of quick typing is provided for well workover team well workover record simultaneously.
2, workover rig dictionary: manage the equipment of whole well workover, the Data Source of quick typing is provided for well workover team well workover record simultaneously.Its fundamental purpose is unified user use during Input Monitor Connector well parameter before construction monitoring, also provides convenience for later statistical work simultaneously.
Can adopt the conventional method of setting up database to realize above-mentioned function.
3, device parameter correction: because equipment in use for some time, can drift about the zero point of some sensor, at this moment, just needs to revise the parameter of this sensor, and the data value that its monitoring calculation is gone out can accurately reflect.
4, transducer calibration:
Fig. 5 (a) to (c) has shown the synoptic diagram of the user interface that is used to carry out transducer calibration in one embodiment of this invention.
As shown in FIG., after the function (for example click [transducer calibration] in system's [setting] or use shortcut Alt+F4) that start sensor is demarcated, interface shown in Fig. 5 (a) appears in system of the present invention.
If select [pump one discharge capacity] or [pump two discharge capacities] rear interface to change slightly, shown in Fig. 5 (b).
Being described as follows of each parameter among the figure:
＜current collection value 〉: represent primary current, voltage or pulse data that this passage returns.
＜zero point 〉: represent current this passage corresponding sensor, the zero point that the user is provided with.
＜coefficient 〉: represent the design factor that current this passage user is provided with.
＜collection value 〉: be illustrated in the user and press＜calibration coefficient during button, the primary current of collection, voltage or pulse data.
＜actual value 〉: press the user＜calibration coefficient before the button, need this channel parameters value of reality of input, so that Automatic Program calculates coefficient.
＜calculated value 〉: according to zero point, the coefficient of user's setting, by current collection value, this channel parameters value of calculating.
＜respective value 〉: the value of expression correspondence during zero point
Computing formula
Data type is that the computing formula of electric current, voltage is:
Calculated value=(current collection value-zero point) * coefficient+zero point respective value
Data type is that the computing formula of pulse is:
Calculated value=current collection value/coefficient
Scaling method
The foundation that calibrating parameters at first needs a modular system to demarcate as program.For example: pressure just needs a pressure checking platform.
When 1, data type is electric current, voltage
When this passage actual parameter is zero, (be designated as zero in the modular system), click＜be provided with zero point 〉.For example: zero point is clicked＜be provided with to the sensor that the pressure A channel is connected under the zero pressure state 〉,＜zero point in the parameter at zero point of this sensor is set automatically.
After this passage actual parameter changes, in＜actual value〉in indicated value in the input modular system, click＜calibration coefficient then, coefficient will calculate automatically, be set to＜coefficient〉in.Simultaneously＜the collection value in demonstrate primary current, the magnitude of voltage of gathering when calculating this coefficient.For example: pressure A demonstrates 40MPa in modular system, then in＜actual value〉in input 40MPa, click＜calibration coefficient then.Automatic Program calculates coefficient for the user.The user also can be according to former record input zero point and coefficient.
When 2, data type is pulse
＜current collection value〉when being zero, beginning to enter to demarcate and count.(＜current collection value〉reset and will determine according to the situation of hardware)
When＜current collection value〉change after, in＜actual value〉in indicated value in the input modular system, click＜calibration coefficient then coefficient will calculate automatically and be set to＜coefficient in.For example: total liquid measure demonstrates 2M^3 in modular system, then in＜actual value〉in import 2M^3, click＜calibration coefficient then.
The parameter input coefficient that the user can provide according to the hardware vendor.
If slightly different when demarcating [pump one discharge capacity] or [pump two discharge capacities], after [changing pump] in click Fig. 7 interface interface shown in Fig. 5 (c) appears.
According to the pump parameter of using in the construction, select coefficients such as [pumping cylinder footpath], [pump stroke], [pump efficiency coefficient], [pumping cylinder number], [ratio of gear] therein, according to the position difference of sensor installation, some system need not be provided with [ratio of gear] coefficient.After setting, click the setting in the interface, then program can calculate the coefficient of discharge capacity automatically.
5, setting of printing: can revise some print parameters of printing in curve, the data, curve quantity, color etc. voluntarily by the user is set, accomplish flexible output.
Two, well workover monitoring:
It is mainly operated and can comprise:
1, some parameters to this well workover are provided with, as: the setting of reporting to the police, scale setting, curve setting, color are provided with etc.
2, after system enters the well workover observation process, will carry out communication with parameter acquisition unit, if do not have the communication success in second at 3-5, system can't show all data.The possible reason of this phenomenon occurring is the undesired or not energising of collecting device of communication line.Can abnormal conditions occur to notify the user this moment to user's display reminding information.
As previously mentioned, can realize above-mentioned application software with the graphics mode user interface of routine and the programming mode of menu prompt, thereby make the user can select corresponding menu item, to start corresponding function by the mode of using mouse or shortcut.
Three, well workover data statistics, aggregation process: various record data are carried out post-processed, playback, deletion, recovery of data etc.Its major function can comprise:
Statistical summaries: the condition of construction of being responsible for adding up, gathering each well workover team.
Data query playback: be mainly used in construction data inquiry, work progress playback, provide simultaneously and print curve, data.
Data deletion: be used to delete some users and think otiose data.
Data backup: be used for selection, the data of backup construction according to the user.
Data are recovered: be used for backed up data is returned to system.
Data processing: the text data file that is used to generate some special formats.Mainly provide a function that generates the text data form flexibly.This function mainly generates different text data forms and sets up in order to satisfy the user.
Fig. 6 has shown the user interface that is used for data processing.
In this interface, after the catalogue of selection data place, program can be revised the interface according to the situation of Monitoring Data:
According to user's needs, select to be provided with the blank character between length, parameter scale and each parameter of desired parameters, parameter, data break.
Data break: refer to the gap periods (this index futures sampling period in week) between every group of data, for example: the existing sampling period is 1 second (system default), want per 5 substations and print one group of data, then data break is set to 1 * 5 * 60=300, the data of generate like this will be at interval 5 minutes once.Value is between 1-3600.
Blank character: refer to the symbol between each data, 09 of Hex form is represented the TAB symbol, and it is blank character that the user also can be set to comma.
Data length: refer to that the data that generate out account for several characters.Can be by system default or self-defined.
Radix point: the scale of the every data in every group of data.
Whether need the data content note: whether occur the prompting of literal such as stage switching, time-out in the data file that refers to generate.
Source document catalogue and self-defined catalogue: refer to where the data file that generates will be stored in.
Filename: refer to the filename of spanned file, can revise voluntarily by the user.
After clicking generation, data file will generate, and show simultaneously, and at this moment the user can click printing, and text data is printed.
The realization of above-mentioned data processing function all has been conventional technology, for example can utilize existing software program method to realize.So repeat no more in this manual.
According to a further aspect in the invention, can also adopt multi-parameters sampling of the present invention system to constitute remote supervision system.This remote supervision system is mainly realized base and on-the-spot remote monitoring, and its monitoring range is not limited by the region.As long as telecommunications has been opened the place of gprs service and all can have been monitored.This system carries out acquisition process by the multi-parameters sampling system at scene with construction data, by GPRS DTU data are mail to the main frame at monitoring center station then as: parameters such as pressure, discharge capacity, cumulative amount, the pressure of the drill, but base commanding's Real Time Observation data, print curve, data can be transmitted on the net at the base local simultaneously, and other workstation users can be monitored.
Fig. 7 (a) has shown the topological synoptic diagram of a kind of networking plan of remote supervision system of the present invention.In the scheme in the figure, the main frame of central station adopts wireless network card to insert, and receives the data of the substation transmission of image data in real time, and each substation is monitored in real time.The multi-parameters sampling system of each acquisition substation is connected with GPRS DTU transport module by the RS-232 communication port, and pack into the data SIM card of a China Mobile of each GPRS DTU transport module gets final product.
Fig. 7 (b) has shown the topological synoptic diagram of the another kind of networking plan of remote supervision system of the present invention.In this programme, central station adopts access via telephone line, receives the data that acquisition substation sends in real time, and each substation is monitored in real time.The multi-parameters sampling system of each acquisition substation is connected with GPRS DTU transport module by the RS-232 communication port, and pack into the data SIM card of a China Mobile of each GPRS DTU transport module gets final product.
In an embodiment of remote supervision system of the present invention, each sensor of sensor unit in the substation sends detected signal to as central processing unit single-chip microcomputer, by single-chip microcomputer with signal amplify, after the conventional processing such as filtering and shaping, be modulated to again and transmit, be transmitted to the receiver of central station by transmitter.In central station, can connect and to be reduced into various data-signals behind the receiving signal demodulation by the single-chip microcomputer intelligence of routine setting, and send the large display screen demonstration to, or send industrial computer to, export printer prints to by industrial computer, or send in the network, browse by the user of other substation.In addition, can also carry out data processing, for example these data and preset value be compared, sound according to comparative result and report to the police etc. according to the monitoring system software of its internal preset.
In the scheme of Fig. 5 (a) and 5 (b), all based on the spread all over the country GPRS network of various places of mobile operator.Data-collecting sub-station partly adopts identical transport module.And all adopt and move inner proprietary fixed ip address.Therefore, the reliability of the transmission system of these two kinds of schemes, real-time and stability are all fine.Can adopt existing communication facilities and product in the enforcement.For example can select the concrete model of product of Shenzhen grand power technology development company for use is H7112S, adopts RS485 interface mobile data terminal module.This product belongs to H7100 series.Its characteristics are:
| 1) transparent data transmission | H7100 GPRS DTU directly provides RS232 or RS485 interface, for user's data equipment provides transparent transmission channel. |
| 2) need not the background computer support | Common GPRS Modem usually need be attached to virtual dial-up online on the PC, utilize the resource of PC to carry out data transmit-receive and protocol conversion, the built-in automatic network of H7100 GPRS DTU connects and protocol process module, need not the background computer support. |
| 3) point-to-point, point-to-multipoint, equity, real-time Data Transmission | H7100 GPRS DTU can realize a little～the reciprocity data transmission of point, point～multiple spot, center～multiple spot, and propagation delay time is generally less than 1 second. |
| 4) always online | H7100 GPRS DTU can be attached on the GPRS network automatically once starting shooting, and sets up communication link with the user's data center, receives and dispatches the data of user data equipment at any time. |
| 5) charge by flow | H7100 GPRS DTU is online always, collects the charges according to receiving and send quantity of data packets, and when not having the transmission of data traffic, usefulness is free of charge. |
| 6) high-speed transfer | The transmission speed of GPRS network will reach 160Kbps the soonest, and the height of speed depends on the network settings of mobile operator, according to the network condition of China Mobile, can provide the stable data transmission of 20～40Kbps at present. |
| 7) networking is simple, rapid, flexible | The H7000 data communication system can not rely on the data interface unit of switching centre of operator, makes up the virtual mobile data communication dedicated network that covers the whole of China anywhere or anytime by the Intemet network. |
System of the present invention can have following characteristic thus:
Support double frequency GSM/GPRS
Meet ETSI GSM Phase 2+ standard
Data terminal is always online
Real-time clock
Support A5/1﹠amp; The A5/5 cryptographic algorithm
Enhancement function
Transparent data transmission and protocol conversion
Virtual support data private
Short message data alternate channel (option)
The configuration of STK card specific function
Support TTL/RS-232/485 or Ethernet interface
Support audio interface, maintain easily operation
Carry out software upgrading by Xmodem Protocol
Support aerial software upgrading and remote maintenance (option)
Self diagnosis and alarm output
Anti-interference Design is fit to the abominable application demand of electromagnetic environment
DTU supports different networking modes, and at this moment different data packet lengths has different transfer efficiency.Hypothesis is under the DTU the longest current maximum number of user that can the support situation long according to bag below, and promptly 1024 byte packet are long.
When only supporting that DTU initiatively is initiated to the data transmission of data center, maximum transmitted efficient (w)=97.3%
When supporting that two-way active passes mutually, maximum transmitted efficient (w)=95.9%
Different data packet lengths, the time delay of transmission (from sending to the time that receives between the data) difference.According to the network condition that moves at present, the packet between a general Bao Changwei 100 to 200 bytes can pass mutually in 1 second and finish.On average between 1 second to 3 seconds, can pass mutually greater than the packet of 200 bytes and to finish.System of the present invention can transmit the length that needs come the specified data bag according to reality.
Exist extremely important relation between network effective bandwidth and the MTU (MTU), general MTU increases to more than 200 bytes and can obviously not increase bandwidth, but can increase average retardation.The size of therefore preferred MTU is about 200 bytes.
By system of the present invention, can continuous monitoring, record repaiies/hook weigh, TORQ, rotary speed, standpipe pressure, mud outlet discharge capacity, mud backflow discharge capacity, pump in the drilling process situation of change of important parameter such as dash, and exportable recording curve and form, illustrate the course of work of multi-parameters sampling of the present invention system below:
One, standpipe pressure is measured
The standpipe pressure measure portion is made up of standpipe pressure sensor, stube cable.
Mud pressure in the standpipe is through adjusting iris action on silicon sapphire sensor, make foil gauge produce distortion, four piezoelectricity arm resistance resistances change on it, this variation makes the bridge circuit output voltage be directly proportional with input pressure, and output voltage amplifies, handles, is converted to 4～20mA electric current through electronic circuit and outputs to central processing unit 10 through safety barrier.
The standpipe pressure measuring system adopts the requirement of explosion proof design.
Two, TORQ is measured
Measuring method is that the steady axle with the winch transmission shaft is a twisting strain sensing elastic body, foil gauge is sticked on steady axle to be gone up as the twisting strain sensor, the torque signal coupling mechanism directly is fixed on the steady axle, and non-contacting mode has been adopted in the transmission of its electric energy and signal.
The power supply supply of torque measurement part is gone up the DC voltage that rectification/mu balanced circuit is transformed into high stability by the induced voltage that the one group of ring-shaped transformer that is located on the standard strain bridge torque sensor provides through axle.This voltage both strain bridge of pay standard strain bridge torque sensor is pressed as bridge, also on the supply shaft circuit as operating voltage.The detected mV level of strain bridge torque signal is amplified to the strong signal of KmV level by the high-precision meter amplifier, is transformed into the square-wave signal that is directly proportional with twisting strain through the V/F converter again.By wireless launcher on the axle, be delivered to non-contactly on the outer wireless interface receiver of axle, the digital signal that just is reduced into the square wave same frequency of changing out with V/F by demodulation is sent to central processing unit 10 by the RVVP cable again.
The TORQ measuring system adopts the requirement of explosion proof design.
Three, suspending weight is measured
Suspending weight is measured main weight transduser, weight indicator (being installed in the instrument show case), the hydraulic pressure associated line of adopting and is formed.
Hook load acts on the weight indicator wireline anchor by wire rope, act on the weight sensor by leverage again, produce pressure action and produce displacement in the free end of two bourdon tubes of weight indicator, drive two indicator deflections respectively by enlarger, thereby indicate hook weigh and the pressure of the drill.
This part, because it does not send electric signal to central processing unit 10 but only shows by the weight indicator that is provided with on the instrument box in driller personnel the place ahead not shown in Fig. 1 and 2.
Four, rotary speed and pump dash and measure
Rotary speed is identical with the principle of work that pump dashes measurement, all is to adopt non-contact sensor to measure, and all has explosion-proof performance.
When metal object is streaked, can produce pulse signal near sensor.This signal is sent to central processing unit 10, and can be shown by display unit such as LED display.
Long-distance monitorng device communicates by the wireless communication unit of GPRS communication service with the data collector at scene.By data collector main part at the scene work data is carried out acquisition process, by GPRS DTU transport module data are mail to central station host then, but commanding's Real Time Observation data of central station are printed curve.
Though above embodiment of the present invention are illustrated, the present invention is not limited to above-mentioned explanation.Only the kind of sensor just has a lot, and for example rotary table torque sensor, rotary speed sensor, pump are towards sensor etc.Obviously, those skilled in the art only need carry out conventional variation to the solution of the present invention, just can produce the multi-parameters sampling system that is applied under the various varying environments.Therefore, scope of the present invention is only limited by claims.
Claims (6)
1. a multi-parameters sampling system is characterized in that, comprising:
Parameter acquisition unit, the multiple parameter that is used for gathering drilling well and work-over operation;
Central processing unit receives and handles the multiple parameter signal that described parameter acquisition unit is gathered; And
Recording and displaying unit is used for record and/or shows described signal processed by central processor;
Wherein, described parameter acquisition unit comprises:
Sensor unit is used to detect the multiple parameter at drilling well and workover treatment scene;
Signal transmission unit is used for the detection signal of mechanical sensor is transformed to electric signal;
Safety barrier, described electric signal is sent to described central processing unit by this safety barrier.
2. multi-parameters sampling as claimed in claim 1 system is characterized in that described sensor unit comprises one or more in the following type sensor: weight transduser, the standpipe pressure sensor, rotary table torque sensor, the rotary speed sensor, pump is towards sensor.
3. multi-parameters sampling as claimed in claim 1 system is characterized in that described display unit comprises Displaying Meter, display, registering instrument, printer, plotting apparatus.
4. multi-parameters sampling as claimed in claim 3 system is characterized in that described Displaying Meter comprises: weight indicator, liquid level gauge and tensimeter.
5. remote supervision system comprises as each described multi-parameters sampling system of claim 1 to 4, it is characterized in that, further comprises:
Wireless communication unit is arranged in the described multi-parameters sampling system body, comprises wireless network card and signal receipts/bill unit;
Remote monitoring unit, be arranged with described multi-parameters sampling system body branch, comprise and corresponding wireless network card of described wireless communication unit and signal receipts/bill unit, be used for carrying out radio communication, obtain the signal of handling through described central processing unit with the wireless communication unit that is arranged on on-the-spot multi-parameters sampling system.
6. multi-parameters sampling as claimed in claim 5 system is characterized in that, described radio communication device adopts the GPRS mode to communicate by letter.
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| CNB2004100570340A CN100485417C (en) | 2004-08-25 | 2004-08-25 | Multi-parameter collecting system and long-distance monitoring system utilizing the same system |
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| CNB2004100570340A CN100485417C (en) | 2004-08-25 | 2004-08-25 | Multi-parameter collecting system and long-distance monitoring system utilizing the same system |
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| CN100485417C true CN100485417C (en) | 2009-05-06 |
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| CN102135502A (en) * | 2010-12-20 | 2011-07-27 | 深圳大学 | Laser flaw detection system and flaw detection method |
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| CN102733793B (en) * | 2012-06-28 | 2015-04-15 | 中国地质大学（武汉） | Real-time monitoring system for hole bottom parameters in deep hole drilling |
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| CN105241496A (en) * | 2015-09-17 | 2016-01-13 | 苏州诺因克节能科技有限公司 | Multi-parameter data collection system for base station |
| CN106385384B (en) * | 2016-08-31 | 2020-06-23 | 迈普通信技术股份有限公司 | Message sending method and network equipment |
| CN112459765B (en) * | 2020-12-08 | 2023-10-20 | 北京三一智造科技有限公司 | System and method for collecting load data of rotary drilling tool |
| CN112859689A (en) * | 2021-01-18 | 2021-05-28 | 西安石油大学 | Intelligent transmission device and method for measurement and control information of oilfield equipment |
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