CN204457681U - A kind of coding control device for detonation of electric - Google Patents
A kind of coding control device for detonation of electric Download PDFInfo
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- CN204457681U CN204457681U CN201520029106.4U CN201520029106U CN204457681U CN 204457681 U CN204457681 U CN 204457681U CN 201520029106 U CN201520029106 U CN 201520029106U CN 204457681 U CN204457681 U CN 204457681U
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Abstract
The utility model discloses a kind of coding control device for detonation of electric, comprise ground system and downhole system two parts, by cable, both are connected.Ground system comprises computer and ground monitoring instrument: ground monitoring instrument is monitoring down-hole perforator state at different levels and implements to publish the special hardware of perforation, the basis that working power is provided for downhole system is set up communication reliably, the control instruction sent by computer is on the one hand converted to code signal and is loaded on power line and sends to downhole system, feedack coding under received well, send Computer Analysis process after compiling on the other hand.Downhole system is made up of the coding controller be contained in respectively in different perforator.Coding controller receives the command signal that classification perforation monitor sends, and perform the operations such as corresponding detection and igniting, its own switch state is detected simultaneously, and testing result is encoded after send it back ground system, and output energy reliable initiation Magnedat and EFI detonator.
Description
Technical field
The utility model belongs to oil well completion perforation field, relates to a kind of coding control device for detonation of electric.
Background technology
Oil as important natural resource, in occupation of very important status in China's socio-economic development process.Since reform and opening-up, along with the fast development of China's economic construction, the dependence of natural resource particularly oil is manifested day by day.China is the country of an oil scarcity, demand over half every year all needs import, and corresponding be, the oil instrument development of China is also in relatively backward level in worldwide, strengthen the development of advanced oil instrument, improving oil recovery efficiency, obtains higher output, is put unusual urgent problems in face of China's oil instrument worker.
Due to the complex geologic conditions that the oil that China is total distributes, the reasons such as oil reservoir is thin, bring more complexity and difficulty to perforating and fracturing technique, also propose requirements at the higher level to perforation fracturing technology.Most oil well in the oil well of cable perforation is adopted to contain multiple oil reservoir, traditional cable perforation can only carry a perforator to go into the well at every turn, go into the well at every turn and can only penetrate out an oil reservoir, work energy is mainly wasted in and removes on cable, efficiency is lower, and this situation of oil well that particularly oil reservoir is many is more obvious.This is also larger to the wearing and tearing of cable simultaneously, will significantly affect its application life.
Therefore multi-stage perforator operation, ensures the reliable ignition of every grade of perforating gun, becomes a heat subject in oil exploitation research.
About Oil/gas Well cable perforation classification initiation system, abroad there is relevant product some companies such as Schlumberger, Atlas, but selling at exorbitant prices.External employing be the system that a kind of similar computer instruction carries out publishing perforation, sent the instruction of different carry by the computer on ground, arrived the processing center of down-hole by cable, processing center separates some on lines and is connected to each perforating bullet, can repeatedly perforation be carried out, but involve great expense.The research and development of DYNA energetics company of Germany be applicable to oil field publish electric detonator, be assemblied in the perforating gun of multistage consecutive, detonated by ground control panel, realize Underwell stepped perforation.
The domestic electric detonator at present with independent research, but there is not high temperature resistant, the high pressure that are applicable to oil field well use, and the electronics of antidetonation publishes exploding perforating hole device.Therefore be not just applicable to the control device for detonation of electric of this launch hole priming device yet, therefore, be just difficult to the accurate control realizing Underwell stepped perforation.
Utility model content
The utility model in order to solve the problems of the technologies described above, provide a kind of safety high, ignite and to encode accurately control device for detonation of electric, solve the problems such as the non-refractory occurred in initiation process, not high pressure resistant, antidetonation.
The utility model is achieved through the following technical solutions:
A kind of coding control device for detonation of electric, comprise ground system and downhole system, described ground system comprises ground monitoring instrument and publishes the computer of control module containing classification perforation, downhole system comprises multiple coding controller be contained in different perforator, described ground monitoring instrument is connected on computer by connecting line, and multiple coding controller is connected by the output of single-core cable with ground monitoring instrument after mutually connecting.
Described classification perforation publishes control module, for setting the parameter of perforation, and generate perforation command sequence according to the perforating parameter of setting and perforation command sequence is transferred to ground monitoring instrument, the perforation signal carrying operating result and job information of received code controller feedback is to judge the state of perforator at different levels simultaneously, so that operate ground monitor;
Described ground monitoring instrument, the control instruction that control module sends is published for receiving classification perforation, and the control instruction received is converted to the coding controller that code signal is loaded into downhole system on single-core cable sends, to monitor down-hole perforator state at different levels, and implement to publish perforation action, feedack coding under received well, send computer after compiling simultaneously;
Described coding controller, for receiving the code signal that ground monitoring instrument sends, and perform corresponding detection and ignition operation according to code signal, its own switch state is detected simultaneously, and testing result is encoded after send to the ground monitoring instrument of ground system.
Described classification perforation is published control module and is comprised perforating parameter setting module, perforation instruction output and feedback module, display module, communication module and input/output module; Described perforating parameter setting module, completes the setting parameter of perforation for the degree of depth of going into the well according to the perforator quantity of multi-stage perforator device and perforation order and combining and oil reservoir information; Described perforation instruction output and feedback module, for generating perforation command sequence according to perforating parameter, and perforation command sequence is transferred to ground monitoring instrument, corresponding command sequence is transferred to coding controller by ground monitoring instrument, detonate specific perforator under the control of this instruction, and output detections signal is with the information making coding controller detect perforator at different levels, and feed back the state of perforator at different levels to perforation instruction output and feedback module, so that perforation instruction output and feedback module judge the state of perforator at different levels; Described display module, for showing fuzing information; Described communication module, for realizing the two-way communication with ground monitoring instrument; Described input/output module, mutual for user.
Described ground monitoring instrument comprises DSP main control chip, coder/decoder and level translator; Described DSP main control chip, for publishing the communication of control module with classification perforation, and receive classification perforation and publish the control instruction that control module sends, and to the control instruction that coding controller transmission and reception are arrived, receive artificial input signal simultaneously, realize the conversion of serial ports parallel port; Described coder/decoder, the control instruction sent for the classification received perforation being published control module is converted to the serial code of cable transmission, the downhole instrument received is sent the coded data of coming up simultaneously and is converted to classification perforation and publishes the instruction that control module can identify; Described level translator, for serial code coupling being modulated to the single-core cable of direct current supply, and receiving the passage first stopping direct current of data, filtering also extracts effective information, converts data to classification perforation publish the instruction that control module can identify through codec.
Described coding controller is made up of communication logic control circuit, anti-jamming circuit, voltage-regulating circuit, AC/DC changeover switch and ignition control circuit; Described communication logic control circuit comprises programmable module, input/output interface, serial communication interface, prescaler and central processing unit, for realizing the two-way communication with ground monitoring instrument, with being communicated with of subordinate's coding controller, and filtering, shaping, interpretation process are carried out to cable transmission signal, after settling signal required movement, code is carried out back to ground; Described anti-jamming circuit comprises rectifier circuit bridge, rectifier circuit bridge, for carrying out dipole inversion to the energy inputted via power input; Described voltage-regulating circuit one end ground connection, one end is connected to central processing unit and clock circuit simultaneously, for accept from rectifier circuit bridge to working power be converted to the voltage of logic control circuit and clock circuit; Clock circuit one end ground connection, one end connects voltage-regulating circuit, and one end connects central processing unit, and clock circuit, for providing the clock of processor work; Described ignition control circuit is made up of electronic switch and igniter and energy-storage capacitor, be used for the high-frequency signal that filtering rectifier circuit bridge exports on the one hand, be used on the one hand carrying out security control to the energy exporting to ignition control device under the control of logic control circuit.
Compared with prior art, the utility model has following useful technique effect:
The coding control device for detonation of electric that the utility model provides, achieves accurate control to Underwell stepped perforation by arranging ground monitoring instrument and coding controller.Perforating Techniques, reduces labour intensity, improves work efficiency, has important realistic meaning.
The utility model by arranging anti-jamming circuit in coding controller, thus the stray electrical current in cable can be isolated, prevent detonator from surprisingly detonating, and the utility model overcomes the restriction limited on progression of existing control circuit, by multiple coding controller of mutually connecting, make this device can get at 12 grades even more, simultaneously by arranging AC/DC changeover switch, make this device energy reliable initiation EFI detonator and Magnedat, range of application is wider, overcomes in prior art the technical problem of the EFI detonator that can only detonate.
The coding control device for detonation of electric that the utility model provides compares with common cable perforation, this device is once gone into the well and can be carried out repeatedly perforating job, greatly save perforating job time and cost, a common cable perforation activity duration, the chances are 2 hours, if down-hole has 4, 5 perforation layer positions, the general needs ten hours time, and this device once can complete repeatedly perforating job, within general three hours, just can complete, when running into the complicated perforating jobs such as horizontal well, greatly save cost simultaneously, and exploding perforating hole is controlled by coding controller, not by the interference of stray electrical current in cable, substantially increase the safety of perforating job.
Accompanying drawing explanation
The coding control device for detonation of electric structural representation that Fig. 1 provides for the utility model;
The classification perforation that Fig. 2 provides for the utility model publishes control module structural schematic block diagram;
The ground monitoring instrument structural schematic block diagram that Fig. 3 provides for the utility model;
The coding controller structural schematic block diagram that Fig. 4 provides for the utility model;
Another structural representation of coding controller that Fig. 5 provides for the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
See Fig. 1 to Fig. 5, a kind of coding control device for detonation of electric, comprise ground system and downhole system, described ground system comprises ground monitoring instrument and publishes the computer of control module containing classification perforation, downhole system comprises multiple coding controller be contained in different perforator, described ground monitoring instrument is connected on computer by USB connecting line, and multiple coding controller is connected by the output of single-core cable with ground monitoring instrument after mutually connecting.
Described classification perforation publishes control module, for setting the parameter of perforation, and generate perforation command sequence according to the perforating parameter of setting and perforation command sequence is transferred to ground monitoring instrument, the perforation signal carrying operating result and job information of received code controller feedback is to judge the state of perforator at different levels simultaneously, so that operate ground monitor;
Described ground monitoring instrument, the control instruction that control module sends is published for receiving classification perforation, and the control instruction received is converted to the coding controller that code signal is loaded into downhole system on single-core cable sends, to monitor down-hole perforator state at different levels, and implement to publish perforation action, feedack coding under received well, send Computer Analysis process after compiling simultaneously;
Described coding controller, for receiving the code signal that ground monitoring instrument sends, and perform corresponding detection and ignition operation according to code signal, its own switch state is detected simultaneously, and testing result is encoded after send to the ground monitoring instrument of ground system.See accompanying drawing 1, whole process of the present utility model publishes control module operate ground monitor by the classification perforation in computer in fact exactly, and the coding controller come under control well carries out the function such as stage number selection and igniting perforation.
See Fig. 2, described classification perforation is published control module and is comprised perforating parameter setting module, perforation instruction output and feedback module, display module, communication module and input/output module; Described perforating parameter setting module, completes the setting parameter of perforation for the degree of depth of going into the well according to the perforator quantity of multi-stage perforator device and perforation order and combining and oil reservoir information; Such as first order well depth 3000m, core intersection 2m, filling in of perforating bullet 16 etc. essential information.Described perforation instruction output and feedback module, for generating perforation command sequence according to perforating parameter, and perforation command sequence is transferred to ground monitoring instrument, corresponding command sequence is transferred to coding controller by ground monitoring instrument, detonate specific perforator under the control of this instruction, and output detections signal is with the information making coding controller detect perforator at different levels, and feed back the state of perforator at different levels to perforation instruction output and feedback module, so that perforation instruction output and feedback module judge the state of perforator at different levels; Described display module, for showing fuzing information, achieves the visual of operation, interface specialty, visual in image compatible with the general-purpose operating system, meets well logging and well completion work flow process, improves reliability, reduce the complexity of operation; Described communication module, for realizing the two-way communication of standard computer interface and ground monitoring instrument; Described input/output module, mutual for user, user-defined parameter, depth of falling well, the input of other well logging informations such as tension force, also has the feedback information that multi-stage perforator device makes ground given finger.
See Fig. 3, described ground monitoring instrument comprises DSP main control chip, coder/decoder and level translator; Described DSP main control chip, for publishing the communication of control module with classification perforation, and receive classification perforation and publish the control instruction that control module sends, and to the control instruction that coding controller transmission and reception are arrived, receive artificial input signal simultaneously, realize the conversion of serial ports parallel port; Described coder/decoder, the control instruction sent for the classification received perforation being published control module is converted to the serial code of cable transmission, the downhole instrument received is sent the coded data of coming up simultaneously and is converted to classification perforation and publishes the instruction that control module can identify; Described level translator, for serial code coupling being modulated to the single-core cable of direct current supply, and receiving the passage first stopping direct current of data, filtering also extracts effective information, convert data to classification perforation through codec and publish the instruction that control module can identify, get rid of due to long-distance cable transmission, cable capacitive reactance, impedance and signal reflex cause the impact of Signal transmissions, it also avoid data transmission simultaneously to underground power supply used electrical level match problem simultaneously.
See Fig. 4, Fig. 5, described coding controller is made up of communication logic control circuit, anti-jamming circuit, voltage-regulating circuit, AC/DC changeover switch and ignition control circuit; Described communication logic control circuit comprises programmable module, input/output interface, serial communication interface, prescaler and central processing unit, for realizing the two-way communication with ground monitoring instrument, with being communicated with of subordinate's coding controller, and filtering, shaping, interpretation process are carried out to cable transmission signal, after settling signal required movement, code is carried out back to ground; Described anti-jamming circuit comprises rectifier circuit bridge, rectifier circuit bridge, for carrying out dipole inversion to the energy inputted via power input, thus make no matter to be that the input of the outside non-security signal of telecommunication such as the input of normal power supply or electromagnetic interference, static discharge, stray electrical current is all from the ungrounded end output of rectifier circuit bridge, these signals and then the filter action through being connected to charging control circuit thereafter, thus the non-security high-frequency interferencing signal of filtering; Described voltage-regulating circuit one end ground connection, one end is connected to central processing unit and clock circuit simultaneously, for accept from rectifier circuit bridge to working power be converted to the voltage of logic control circuit and clock circuit; Clock circuit one end ground connection, one end connects voltage-regulating circuit, and one end connects central processing unit, and clock circuit, for providing the clock of processor work; Described ignition control circuit is made up of electronic switch and igniter and energy-storage capacitor, be used for the high-frequency signal that filtering rectifier circuit bridge exports on the one hand, be used on the one hand carrying out security control to the energy exporting to ignition control device under the control of logic control circuit, and can reliable initiation Magnedat and EFI detonator.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a coding control device for detonation of electric, it is characterized in that, comprise ground system and downhole system, described ground system comprises ground monitoring instrument and publishes the computer of control module containing classification perforation, downhole system comprises multiple coding controller be contained in different perforator, described ground monitoring instrument is connected on computer by connecting line, and multiple coding controller is connected by the output of single-core cable with ground monitoring instrument after mutually connecting.
2. coding control device for detonation of electric according to claim 1, it is characterized in that, described classification perforation publishes control module, for setting the parameter of perforation, and generate perforation command sequence according to the perforating parameter of setting and perforation command sequence is transferred to ground monitoring instrument, the perforation signal carrying operating result and job information of received code controller feedback is to judge the state of perforator at different levels simultaneously, so that operate ground monitor;
Described ground monitoring instrument, the control instruction that control module sends is published for receiving classification perforation, and the control instruction received is converted to the coding controller that code signal is loaded into downhole system on single-core cable sends, to monitor down-hole perforator state at different levels, and implement to publish perforation action, feedack coding under received well, send computer after compiling simultaneously;
Described coding controller, for receiving the code signal that ground monitoring instrument sends, and perform corresponding detection and ignition operation according to code signal, its own switch state is detected simultaneously, and testing result is encoded after send to the ground monitoring instrument of ground system.
3. coding control device for detonation of electric according to claim 1 and 2, is characterized in that, described classification perforation is published control module and comprised perforating parameter setting module, perforation instruction output and feedback module, display module, communication module and input/output module; Described perforating parameter setting module, completes the setting parameter of perforation for the degree of depth of going into the well according to the perforator quantity of multi-stage perforator device and perforation order and combining and oil reservoir information; Described perforation instruction output and feedback module, for generating perforation command sequence according to perforating parameter, and perforation command sequence is transferred to ground monitoring instrument, corresponding command sequence is transferred to coding controller by ground monitoring instrument, detonate specific perforator under the control of this instruction, and output detections signal is with the information making coding controller detect perforator at different levels, and feed back the state of perforator at different levels to perforation instruction output and feedback module, so that perforation instruction output and feedback module judge the state of perforator at different levels; Described display module, for showing fuzing information; Described communication module, for realizing the two-way communication with ground monitoring instrument; Described input/output module, mutual for user.
4. coding control device for detonation of electric according to claim 1 and 2, is characterized in that, described ground monitoring instrument comprises DSP main control chip, coder/decoder and level translator; Described DSP main control chip, for publishing the communication of control module with classification perforation, and receive classification perforation and publish the control instruction that control module sends, and to the control instruction that coding controller transmission and reception are arrived, receive artificial input signal simultaneously, realize the conversion of serial ports parallel port; Described coder/decoder, the control instruction sent for the classification received perforation being published control module is converted to the serial code of cable transmission, the downhole instrument received is sent the coded data of coming up simultaneously and is converted to classification perforation and publishes the instruction that control module can identify; Described level translator, for serial code coupling being modulated to the single-core cable of direct current supply, and receiving the passage first stopping direct current of data, filtering also extracts effective information, converts data to classification perforation publish the instruction that control module can identify through codec.
5. coding control device for detonation of electric according to claim 1, is characterized in that, described coding controller is made up of communication logic control circuit, anti-jamming circuit, voltage-regulating circuit, AC/DC changeover switch and ignition control circuit; Described communication logic control circuit comprises programmable module, input/output interface, serial communication interface, prescaler and central processing unit, for realizing the two-way communication with ground monitoring instrument, with being communicated with of subordinate's coding controller, and filtering, shaping, interpretation process are carried out to cable transmission signal, after settling signal required movement, code is carried out back to ground; Described anti-jamming circuit comprises rectifier circuit bridge, rectifier circuit bridge, for carrying out dipole inversion to the energy inputted via power input; Described voltage-regulating circuit one end ground connection, one end is connected to central processing unit and clock circuit simultaneously, for accept from rectifier circuit bridge to working power be converted to the voltage of logic control circuit and clock circuit; Clock circuit one end ground connection, one end connects voltage-regulating circuit, and one end connects central processing unit, and clock circuit, for providing the clock of processor work; Described ignition control circuit is made up of electronic switch and igniter and energy-storage capacitor, be used for the high-frequency signal that filtering rectifier circuit bridge exports on the one hand, be used on the one hand carrying out security control to the energy exporting to ignition control device under the control of logic control circuit.
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| CN201520029106.4U CN204457681U (en) | 2015-01-15 | 2015-01-15 | A kind of coding control device for detonation of electric |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563979A (en) * | 2015-01-15 | 2015-04-29 | 西安物华巨能爆破器材有限责任公司 | Coding detonating control device |
| CN105604528A (en) * | 2015-12-23 | 2016-05-25 | 重庆航天工业公司 | Selecting and sending control system for oil and gas well |
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2015
- 2015-01-15 CN CN201520029106.4U patent/CN204457681U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563979A (en) * | 2015-01-15 | 2015-04-29 | 西安物华巨能爆破器材有限责任公司 | Coding detonating control device |
| CN104563979B (en) * | 2015-01-15 | 2017-09-12 | 西安物华巨能爆破器材有限责任公司 | One kind coding control device for detonation of electric |
| CN105604528A (en) * | 2015-12-23 | 2016-05-25 | 重庆航天工业公司 | Selecting and sending control system for oil and gas well |
| CN105604528B (en) * | 2015-12-23 | 2018-06-19 | 重庆航天工业有限公司 | A kind of oil/gas well is with publishing control system |
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