CN103541726A - Well depth measuring device - Google Patents
Well depth measuring device Download PDFInfo
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- CN103541726A CN103541726A CN201310549357.0A CN201310549357A CN103541726A CN 103541726 A CN103541726 A CN 103541726A CN 201310549357 A CN201310549357 A CN 201310549357A CN 103541726 A CN103541726 A CN 103541726A
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Abstract
The invention provides a well depth measuring device which is mainly applied to the field of well depth measuring. The device comprises a sensor, a first processing module, a second processing module and a power supply module. The sensor is used for generating quadrature encoding signals. The first processing module is connected with the sensor and used for conducting phase detection, pulse shaping and counting on the quadrature encoding signals to obtain a pulse count value and output the pulse count value. The second processing module is connected with the first processing module and used for receiving the pulse count value and conducting calculation according to the pulse count value to obtain well depth parameters and output the well depth parameters. The power supply module is used for providing direct-current power for all the modules. The well depth measuring device has the advantages of calculating field data in real time, having an operation display function, being simple in structure, small in size and convenient to install and the like.
Description
Technical field
The present invention relates to fields of measurement, particularly relate in a kind of drilling project with the dark measurement mechanism of drilling well.
Background technology
Well depth (well depth), refers in oil/gas drilling, from rotary bushing face meter to the length in shaft bottom.Well depth is one of important parameter of drilling parameter instrument system, also simultaneously drilling engineering monitoring, analyse scientifically and the important parameter of science decision it-, the real time data of well depth contributes to driller (driller) management drilling state, thereby improves drilling efficiency, guarantees drilling safety.
Well depth survey device of the prior art need to be coordinated by the computer of driller house between winch scene and driller house, just can complete data scaling and parameter setting.The shortcoming of this implementation method is that field wiring is complicated, difficulty of construction is large, once data acquisition unit or computer break down, can cause the paralysis of whole system function, and cannot realize the independent measurement demonstration of well depth value, not be well positioned to meet the needs of site installation test.
Summary of the invention
The shortcoming of prior art, the object of the present invention is to provide a kind of well depth survey device in view of the above, and for solving prior art measuring method or device, wiring is complicated at the scene, difficulty of construction is large and the problem of the easy paralysis of systemic-function.
For achieving the above object and other relevant objects, the invention provides a kind of well depth survey device, comprise sensor, the first processing module, the second processing module and supply module, described sensor, for generation of orthogonal intersection code signal; Described the first processing module, is connected in described sensor, for described orthogonal intersection code signal is carried out phase demodulation and shaping pulse and counted, obtains counted number of pulses and is exported; Described the second processing module, is connected in described the first processing module, for receiving described counted number of pulses and calculating according to it, obtains well depth parameter value and is exported; Described supply module, connects external power source, for described external power source being converted to described the first processing module and the required dc source of the second processing module.
Preferably, described supply module comprises arbitrary circuit in reverse-connection preventing circuit, lightning prevention circuit, overvoltage crowbar and switch power voltage-stabilizing circuit.
Preferably, described external power source is specially the dc source of 18～36V.
Preferably, described orthogonal intersection code signal comprises the first square-wave signal and the second square-wave signal.
Preferably, 90 ° of the phase phasic differences of described the first square-wave signal and the second square-wave signal.
Preferably, described the first processing module comprises phase discriminator, pulse shaper and reversible counting module, and described phase discriminator and pulse shaper are for receiving, process described orthogonal intersection code signal corresponding output counting direction signal and count pulse; Described reversible counting module is connected to described phase discriminator, pulse shaper, and receives simultaneously, processes described counting direction signal and count pulse, output counted number of pulses.
Preferably, described reversible counting module comprises counting output interface and input interface is set, described counting output interface and input interface is set is connected in described the second processing module.
Preferably, described well depth parameter value comprises well depth value and inner parameter, and wherein, described inner parameter comprises well depth calculated value, module's address, display format and communication baud rate.
Preferably, described the second processing module comprises data processing core and nonvolatile memory, and this nonvolatile memory and described data processing nuclear phase connect; Described data processing core is for receiving, process described counted number of pulses and calculating accordingly described well depth value, and described nonvolatile memory is in order to store described well depth value parameter value.
Preferably, also comprise display operation module, it is connected in described the second processing module, comprises display unit and key operation unit, and described display unit is electrically connected mutually with described key operation unit; Wherein, described display unit is used for showing described well depth value and inner parameter, and described key operation unit is used for demarcating described well depth calculated value and described communication baud rate and mailing address are set.
Preferably, also comprise data communication module, it is connected in described the second processing module, for providing data communication interface to external equipment, comprises RS-485 communication interface and CAN communication interface.
Technical scheme as mentioned above, the present invention has following beneficial effect:
That described measurement mechanism has is simple in structure, volume is little, the advantage such as easy for installation, described display operation module and data communication module make it also have field data and calculate in real time, operate Presentation Function simultaneously, it both can be used alone measurement depth, also can with drilling instrument networking, thereby meet the field requirement of well depth survey in oil drilling field.
Accompanying drawing explanation
Fig. 1 is shown as the overall structure schematic diagram of well depth survey device of the present invention in embodiment mono-.
The overall structure schematic diagram of the technical scheme that Fig. 2 is shown as well depth survey device of the present invention in embodiment bis-.
Fig. 3 is shown as the concrete structure schematic diagram of the detailed technology scheme of embodiment bis-described in Fig. 2.
Fig. 4 is shown as described in Fig. 2 the concrete structure schematic diagram of the first processing module in embodiment bis-.
Fig. 5 is shown as described in Fig. 2 the concrete structure schematic diagram of the second processing module in embodiment bis-.
Drawing reference numeral explanation
100 supply modules
110 overvoltage crowbars
112 switch power voltage-stabilizing circuits
114 reverse-connection preventing circuits
116 lightning prevention circuits
200 sensors
300 first processing modules
310 phase discriminators
312 pulse shapers
314 reversible counting modules
400 second processing modules
410 data processing cores
412 nonvolatile memories
500 display operation modules
510 displays
512 key operation unit
600 data communication modules
610 CAN communication interfaces
612 RS-485 communication interfaces
700 well depth survey devices
The specific embodiment
By particular specific embodiment explanation embodiments of the present invention, person skilled in the art scholar can understand other advantages of the present invention and effect easily by the disclosed content of this manual below.
Notice, appended graphic the illustrated structure of this manual, ratio, size etc., equal contents in order to coordinate manual to disclose only, for person skilled in the art scholar, understand and read, not in order to limit the enforceable qualifications of the present invention, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, not affecting under the effect that the present invention can produce and the object that can reach, all should still drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, in this manual, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under without essence change technology contents, when being also considered as the enforceable category of the present invention.
Well depth survey device 700 provided by the invention comprises sensor 200, the first processing module 300, the second processing module 400 and supply module 100, and described sensor 200, for generation of orthogonal intersection code signal; Described the first processing module 300 is connected in described sensor 200, for described orthogonal intersection code signal is carried out phase demodulation and shaping pulse and counted, obtains counted number of pulses and is exported; Described the second processing module 400 is connected in described the first processing module 300, for receiving described counted number of pulses and calculating according to it, obtains well depth parameter value and is exported; Described supply module 100, connects external power source and described the first processing module 300 and the second processing module 400, for described external power source being converted to described the first processing module 300 and the required dc source of the second processing module 400.
Particularly, above technical scheme, is mainly that described sensor 200 produces transducing signal by the rotation of this winch axle of perception, and produces orthogonal intersection code signal accordingly by described sensor 200 being arranged on the winch axle of rig; Described the first processing module 300 is carried out analyzing and processing by the orthogonal intersection code signal to produced, thereby obtains direction signal and count pulse and both are for further processing and obtain being exported after counted number of pulses; Wherein, described the second processing module 400 also calculates well depth parameter value accordingly by the described counted number of pulses of reception.Described supply module 100 is external in external power source, and other need electric module or unit to be inside connected to described the first processing module 300 and the second processing module 400 etc.; Wherein, described external power source is specially the dc source of 18～36V, is to be understood that this external power source can be also the power supply of other magnitudes of voltage, and then obtains required supply voltage through transformation or step-down and correlating transforms circuit etc.
So by the above technical scheme, can reach the object of measurement depth, can find out that described measurement mechanism is simple in structure, thereby adopt modularized processing to make the installation of device become convenient simultaneously, shared that volume is also less.
Embodiment bis-:
For concrete and detailed explanation operating principle of the present invention and implementation, on the basis of the above technical scheme, exemplify again well depth survey device 700 of the present invention and make further preferably embodiment.
Refer to Fig. 2 to Fig. 4, wherein, Fig. 2 shows described well depth survey device 700 overall structure schematic diagram in the present embodiment, Fig. 3 shows described well depth survey device 700 concrete structure schematic diagram in the present embodiment, and Fig. 4 shows the concrete structure figure of described well depth survey device 700 the first processing module 300 in the present embodiment.
As shown in Figure 2, the described well depth survey device 700 in the present embodiment specifically comprises sensor 200, the first processing module 300, the second processing module 400, display operation module 500, data communication module 600 and supply module 100; The output of described sensor 200 is connected in described the first processing module 300, for generation of orthogonal intersection code signal, described the first processing module 300 is connected in described sensor 200, for the treatment of described orthogonal intersection code signal, obtain direction signal and count pulse and both are for further processing and obtain being exported after counted number of pulses; Described the second processing module 400 is connected in described the first processing module 300, be used for receiving described counted number of pulses, and calculate well depth parameter value according to it, in addition, described display operation module 500 is connected in described the second processing module 400, in order to show and described well depth parameter value be set, described data communication module 600, it is connected in described the second processing module 400, in order to the external equipment to receiving described well depth parameter value, provide communication interface, described supply module 100 provide required power supply in order to the electric module that respectively needs to described well depth survey device 700.
It should be noted that, described well depth parameter value comprises well depth value and inner parameter, and inner parameter comprises again well depth calculated value, module's address, display format and communication baud rate.That the described well depth survey device 700 in this enforcement also comprises display operation module 500 and data communication module 600 with embodiment mono-difference.
As shown in Figure 3, show the detailed module diagram of well depth survey device of the present invention in the present embodiment two, below in conjunction with Fig. 3, illustrate the working method of described well depth survey device.
Particularly, described sensor is incremental optical-electricity encoder, in order to experience the rotatablely moving of winch axle of rig, when described winch axle motion, also drive described incremental optical-electricity encoder to rotatablely move, winch rotates one week, and incremental optical-electricity encoder also rotates one week.Incremental optical-electricity encoder, when rotating, converts angular displacement to square-wave signal A and the B of 90 ° of two-way phase phasic differences.When incremental optical-electricity encoder forward, first 90 ° than signal B ultrasonic, the phase place of square-wave signal A, otherwise signal B than signal A leading 90 °.It should be noted that, adopting incremental optical-electricity encoder is here in order to obtain the large rope displacement signal of high-precision winch, thereby the precision of the well depth value obtaining is also more increased.
Particularly, in conjunction with Fig. 4, Fig. 4 shows the detailed maps of described the first processing module 300, described square-wave signal A and B are sent in described the first processing module 300, wherein said the first processing module 300 comprises phase discriminator 310 and pulse shaper 312, described phase discriminator Unit 310 compare the phase place situation of described signal A and B, then export counting direction signal; Described pulse shaper Unit 312 carry out filtering and shaping to described signal A and B simultaneously, then export count pulse; Described counting direction signal and count pulse are inputted described reversible counting module 314 simultaneously afterwards, and this reversible counting module 314 is according to direction of rotation, add 1 or subtract 1 counting, obtain the absolute value with respect to leading zero's; Described reversible counting module 314 comprises input interface and counting output interface, by described output interface, to described the second processing module 400, exports count values; Described the second processing module 400 is carried out zero clearing and initial value is set described reversible counting module 314 by described input interface simultaneously.
Particularly, in conjunction with Fig. 5, described count value exports described the second processing module 400 to, and described the second processing module 400 comprises data processing core 410 and nonvolatile memory 412, and described nonvolatile memory 412 is connected with described data processing core 410; Described data processing core 410 obtains the described counted number of pulses of output in described the first processing module 300 in real time, according to the calculating parameter of demarcating, according to segment data fitting algorithm, calculate in real time well depth value, wherein said well depth calculated value, module's address, display format and communication baud rate are stored in described nonvolatile memory 412, also be that described inner parameter needs to arrange, described well depth calculated value need to carry out segmentation demarcation according to actual conditions.
Particularly, described data processing core 410 is CPU, is also microprocessor, or microcomputer etc., described nonvolatile memory 412 is ferroelectric memory, is appreciated that this nonvolatile memory 412 can be also other nonvolatile memories 412 such as magnetic RAM, phase transition storage.Here the object that adopts nonvolatile memory 412 is in order to make device adapt to severe working environment, for example, under the fortuitous events such as power-off suddenly, still can preserve and be unlikely to lose relevant real time data measurement of correlation data, described well depth survey device 700 stability at the scene and the ability that prevents systemic breakdown have effectively been improved, if certainly adopt other memories can arrive measurement of correlation object equally.
Particularly, by described data processing core 410, process the well depth parameter value obtaining and will be sent to described display operation module 500, described display operation module 500 is connected with described data processing core 410, described display 510 can show described counted number of pulses, well depth parameter value etc., wherein, can select to show described counted number of pulses, well depth parameter value by operation push-button; In addition, described key operation unit 512 coordinates with described display unit 510, to realize the isoparametric setting of demarcation, communication baud rate and module's address of calculating parameter.By technique scheme, can realize inquiry, modification and calibrated and calculated parameter function by this display operation module 500, and the function that shows described counted number of pulses and well depth parameter value etc.
Be to be understood that, described display 510 can be both other displays 510 such as liquid crystal display, light-emitting diode display, described key operation unit 512 is mainly various buttons, described button can be both touch, also can be physical type etc. any button that can match with described display 510, generally speaking, as long as described display 510 and key operation unit 512 can be used in conjunction with each other, the equipment that can reach demonstration and corresponding control object should be all in range of application of the present invention.
Particularly, except can be used for showing other data such as well depth parameter value, the present invention also tool comprises a data communication module 600, it comprises RS-485 communication interface 612 and CAN communication interface 610, by described data communication module 600, can realize the well depth parameter value obtaining in described the second processing module 400 is sent to external equipment (for example can with drilling instrument networking), by described external equipment, described well depth parameter value is processed to obtain the data that other need further, with this, meet the field requirement of well depth survey in oil drilling field.
In addition, the operation of described well depth survey device 700 needs the supply of power supply, the dc source of the general 18～36V of employing is that this well depth survey device 700 is powered, therefore also comprise supply module 100, it is mainly used in needing electrical part power supply to described each module or other, it can be transformed into external power source the required dc source of inner each module of device, supply module 100 described here also comprises reverse-connection preventing circuit 114, lightning prevention circuit 116, overvoltage crowbar 110 and switch power voltage-stabilizing circuit 112, it is in order to make whole described well depth survey device 700 more stable in running that the present invention increases described supply module 100, and improve and in severe field construction environment, resist the ability that extraneous factor is disturbed.
Further, here again by the making as a brief description of the device of well depth survey described in the present embodiment 700, thereby make those skilled in the art can more clearly understand implementation of the present invention or optimal way.First described incremental optical-electricity encoder is arranged on the winch axle of rig, with this, produces required orthogonal intersection code signal; Then before described well depth survey device 700 measurement depths, need to determine the starting point of well depth survey, it is the starting point of drilling well, now by forward-backward counter 314 zero clearings in 500 pairs of described the first processing modules 300 of operation display operation module, then to winch, segmentation demarcation (after described calculating parameter demarcated, this calculating parameter is demarcated and will be stored in described nonvolatile memory 412) is carried out in large rope displacement; Finally just can measure well depth, wherein can also realize related data is sent to external equipment by described data communication module 600, and then enrich the real-time of survey data, what driller (driller) now just can be undertaken by the well depth of 500 pairs of drilling wells of described display operation module that real-time monitored carrys out science more carries out wellbore construction work.
The technical scheme of comprehensive above-mentioned announcement, and a large amount of practices and analytical work, well depth survey device 700 of the present invention has on-site data processing function, the high texts of certainty of measurement, both measurement depth can work independently, also can carry out data communication by communication mode and the peripheral control unit of CAN interface and RS-485 interface, form drilling parameter instrument system, and described measurement module is simple in structure, volume is little, cost is low, on-the-spot easy for installation, debug and show easyly, be well positioned to meet the scene needs of well depth survey work.So the present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (11)
1. a well depth survey device, is characterized in that, comprising:
Sensor, for generation of orthogonal intersection code signal;
The first processing module, is connected in described sensor, for described orthogonal intersection code signal is carried out phase demodulation and shaping pulse and counted, obtains counted number of pulses and is exported;
The second processing module, is connected in described the first processing module, for receiving described counted number of pulses and calculating according to it, obtains well depth parameter value and is exported;
Supply module, connects external power source and described the first processing module and the second processing module, for described external power source being converted to described the first processing module and the required dc source of the second processing module.
2. well depth survey device according to claim 1, is characterized in that: described supply module also comprises arbitrary circuit in reverse-connection preventing circuit, lightning prevention circuit, overvoltage crowbar and switch power voltage-stabilizing circuit.
3. well depth survey device according to claim 1, is characterized in that: described external power source is specially the dc source of 18～36V.
4. well depth survey device according to claim 1, is characterized in that: described orthogonal intersection code signal comprises the first square-wave signal and the second square-wave signal.
5. well depth survey device according to claim 4, is characterized in that: 90 ° of the phase phasic differences of described the first square-wave signal and the second square-wave signal.
6. well depth survey device according to claim 1, it is characterized in that: described the first processing module comprises phase discriminator, pulse shaper and reversible counting module, described phase discriminator and pulse shaper are for receiving, process described orthogonal intersection code signal corresponding output counting direction signal and count pulse; Described reversible counting module is connected to described phase discriminator, pulse shaper, and receives simultaneously, processes described counting direction signal and count pulse, output counted number of pulses.
7. well depth survey device according to claim 6, is characterized in that: described reversible counting module comprises counting output interface and input interface is set, described counting output interface and input interface is set is connected in described the second processing module.
8. well depth survey device according to claim 1, is characterized in that: described well depth parameter value comprises well depth value and inner parameter, and wherein, described inner parameter comprises well depth calculated value, module's address, display format and communication baud rate.
9. well depth survey device according to claim 1, it is characterized in that: described the second processing module comprise data processing core with its nonvolatile memory being electrically connected mutually, described data processing core is for receiving, process described counted number of pulses and calculating accordingly described well depth value, and described nonvolatile memory is in order to store described well depth value parameter value.
10. well depth survey device according to claim 1, it is characterized in that: also comprise display operation module, it is connected in described the second processing module, comprises display unit and key operation unit, and described display unit is electrically connected mutually with described key operation unit; Wherein, described display unit is used for showing described well depth value and inner parameter, and described key operation unit is used for demarcating described well depth calculated value and described communication baud rate and mailing address are set.
11. well depth survey devices according to claim 1, is characterized in that: also comprise data communication module, it is connected in described the second processing module, for providing data communication interface to external equipment, comprise RS-485 communication interface and CAN communication interface.
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| CN201310549357.0A CN103541726A (en) | 2013-11-07 | 2013-11-07 | Well depth measuring device |
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| CN201310549357.0A CN103541726A (en) | 2013-11-07 | 2013-11-07 | Well depth measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110658834A (en) * | 2019-09-03 | 2020-01-07 | 中国航空工业集团公司西安飞行自动控制研究所 | Implementation method and device for setting target parameters of telex flight control system |
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| CN110658834A (en) * | 2019-09-03 | 2020-01-07 | 中国航空工业集团公司西安飞行自动控制研究所 | Implementation method and device for setting target parameters of telex flight control system |
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Application publication date: 20140129 |