CN102704898A - Coding type classification perforation instrument - Google Patents
Coding type classification perforation instrument Download PDFInfo
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- CN102704898A CN102704898A CN2012101842756A CN201210184275A CN102704898A CN 102704898 A CN102704898 A CN 102704898A CN 2012101842756 A CN2012101842756 A CN 2012101842756A CN 201210184275 A CN201210184275 A CN 201210184275A CN 102704898 A CN102704898 A CN 102704898A
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Abstract
The invention relates to a coding type classification perforation instrument, which comprises perforation units, a multi-stage perforation unit, a logging ground system and a communication system, wherein each perforation unit consists of a perforation gun, a detonator and a detonator control system, the multi-stage perforation unit, the logging ground system and the communication system are connected through cables, after the multi-stage perforation unit is connected with cables according to the coding sequence, the middle is connected with the logging ground system and the communication system through a ground control system, the detonator control system of each perforation unit is respectively formed by connecting a power supply circuit, a pulse receiving circuit, a MCU (micro control unit), an electronic switch and an electronic switch control circuit, the ground control system comprises a D/A (digital-to-analog) converter and a MCU connected with the D/A converter, and the communication mode between the ground control system and the detonator control system is realized through pulse signals. The instrument is controlled through the pulse switch of the ground control system and the detonator control system, a program control power supply is notified to send out ignition signals on the premise of confirming that the underground state is correct without errors, the current layer position perforation is completed, and the operation of a next layer position is prepared.
Description
Technical field
The invention belongs to the perforation appearance of oil field prospecting development field, relate in particular to a kind of coding type classification and publish the perforation appearance.
Background technology
The job practices of cable classification bridging plug, perforation, pressure break is generally taked in the exploration and development of shale oil gas-bearing formation; Its main composition comprises the perforation unit of being made up of perforating gun, detonator, detonator control system, and passes through multi-stage perforator unit, well logging ground-based system and communication system that cable connects.Wherein detonator control system and well logging ground-based system mostly adopt hydraulic control multistep ignition perforation mode, if certain perforating gun water inlet can cause the perforating gun confusion to be detonated, mistake is penetrated in layer position, is difficult to guarantee job safety.
Summary of the invention
The present invention is for solving certain perforating gun water inlet in the construction now, and the drawback that causes penetrating the staggered floor position provides a kind of coding type classification perforation instrument of many perforating guns of portability of once going into the well.
Technical solution of the present invention is: comprise the perforation unit of being made up of perforating gun, detonator, detonator control system; And the multi-stage perforator unit, well logging ground-based system and the communication system that pass through the cable connection; After the coded sequence stube cable was pressed in the multi-stage perforator unit, the middle ground control system of passing through was connected with communication system with well logging ground-based system; Wherein the detonator control system of every perforation unit is to be connected to form by power circuit, pulse receiving circuit, MCU, electronic switch, electronic switch control circuit; Ground control system comprises D/A converter, the MCU that is connected with D/A converter; Communication mode between ground control system and the detonator control system is a pulse signal.
Electronic switch adopts duplex classification pulse switch, is connected respectively to the detonator of next stage perforation unit and perforation at the corresponding levels unit.Be connected through USB between said ground control system and the communication system.
The present invention has the following advantages:
1. follow the interface and the working specification of existing well logging ground-based system in oil field and logger, the new instrument that has guaranteed to be designed and the compatibility of existing equipment have reduced the expense in the instrument popularization process.
2. the technical application that MCU, high-precision program control power supply, high temperature power device etc. are advanced has guaranteed the reliability of instrument in the instrument of development newly.
3. this instrument is through the pulse switch control of ground control system and detonator control system, and under the accurate prerequisite of definite down-hole state, the notice programmable power supply is seen ignition signal off, accomplishes the perforation of this layer position, and prepares the operation of one deck position down.In this process, the user can be interrupted at any time, and system is restPosed.Thoroughly solved certain perforating gun water inlet that original hydraulic control multistep ignition perforation mode exists, can cause the perforating gun confusion to be detonated, mistake is penetrated in layer position, is difficult to guarantee the problem of job safety.
Description of drawings
Fig. 1 is the block diagram of system of the present invention;
Fig. 2 is the system block diagram of downhole perforation of the present invention unit;
Fig. 3 is a software systems block diagram of the present invention.
CPS represents a perforation unit among the figure; GUN represents a perforating gun; MCU represents multipoint control unit or claims one chip microcomputer.
The specific embodiment
In conjunction with accompanying drawing, a kind of coding type classification perforation instrument overall plan comprises:
Perforating gun and detonator, detonator control system, ground control system, and the communication system that is connected with ground control system.
The output of above-mentioned communication system also is provided with host computer, and host computer need move this instrument specific software.
Above-mentioned ground control system comprises D/A converter, the MCU that is connected with D/A converter; Said ground control system also comprises power circuit.
Detonator and detonator control system are installed in the above-mentioned perforating gun.
Above-mentioned detonator control system comprises power circuit, pulse receiving circuit, MCU, electronic switch, electronic switch control circuit.
Above-mentioned electronic switch comprises the high temperature power device.
The output of above-mentioned electronic switch is connected with detonator.
The output of above-mentioned ground control system is connected through cable with the input of detonator control system.
Communication mode between above-mentioned ground control system and the detonator control system is a pulse signal.
Be connected through USB between above-mentioned ground control system and the communication system.
Referring to Fig. 1:
Ground control system is installed between well logging ground-based system and the winch.The order that computer sends becomes impulse form and passes to the down-hole through cable through the D/A circuit on ground.Different pulse will make detonator control system open different electronic switches, to be communicated with the next stage perforating gun, perhaps be communicated with the detonator of perforating gun at the corresponding levels.After pulse was sent and accomplished, the electronic switch of all down-hole detonator control systems was all in place, and ground control system will be sent ignition signal this moment, with the cap sensitive of choosing.
Referring to Fig. 2:
Cable core is that the MCU of detonator control system provides working power through power circuit.MCU differentiates the pulse that ground control system issues through pulse receiving circuit; The less pulse of pulsewidth will make the closed A switch of MCU, just cable core will be connected to the next stage perforating gun; The pulse that pulsewidth is bigger will make the closed B switch of MCU, just cable core will be connected to the detonator of perforating gun at the corresponding levels.What no matter cable core connected is the working power of 20V or the priming supply of 200V, and MCU is with operate as normal, and all electronic switches also will remain on up-to-date state forever, is broken until the power supply of MCU.
Referring to Fig. 3:
The supporting special-purpose software of this instrument designs based on VC++ 6.0.Software is communicated by letter with ground control system through control system bottom communication module, can accomplish the selection of this perforating gun number, and can realize the status monitoring to whole perforating gun string.Software is communicated by letter with programmable power supply through programmable power supply bottom communication module, can accomplish the detailed control to programmable power supply, and can realize the complete monitoring to power supply power supply and igniting situation.The scheduler module of software make software can tie surface control system realization task exactly trigger and user's interrupt operation.
The operating process of this instrument is following:
At first will be under the situation of down-hole appearance outage that perforating gun is carried out the school is dark, make it navigate to the perforation layer position of bottommost; Open power supply, make all switches be in initial open position, and the MCU of detonator control system waits for the reception control impuls the down-hole appearance; Software sends to ground control system with the perforating gun numbering of this less important ignition, and ground control system can be sent corresponding pulse train and given the down-hole appearance; Electronic switch under the pulse train control well moves correct position; Ground control system is under the accurate prerequisite of definite down-hole state, and the notice programmable power supply is seen ignition signal off, accomplishes the perforation of this layer position, and prepares the operation of one deck position down.In this process, the user can be interrupted at any time, and system is restPosed.
Claims (3)
1. coding type classification perforation instrument; Comprise the perforation unit of forming by perforating gun, detonator, detonator control system; And the multi-stage perforator unit, well logging ground-based system and the communication system that pass through the cable connection; It is characterized in that: after the coded sequence stube cable was pressed in the multi-stage perforator unit, the middle ground control system of passing through was connected with communication system with well logging ground-based system; Wherein the detonator control system of every perforation unit is to be connected to form by power circuit, pulse receiving circuit, MCU, electronic switch, electronic switch control circuit; Ground control system comprises D/A converter, the MCU that is connected with D/A converter; Communication mode between ground control system and the detonator control system is a pulse signal.
2. coding type classification perforation instrument according to claim 1 is characterized in that: electronic switch adopts duplex classification pulse switch, is connected respectively to the detonator of next stage perforation unit and perforation at the corresponding levels unit.
3. coding type classification perforation instrument according to claim 1 and 2 is characterized in that: be connected through USB between said ground control system and the communication system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101842756A CN102704898A (en) | 2012-06-06 | 2012-06-06 | Coding type classification perforation instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101842756A CN102704898A (en) | 2012-06-06 | 2012-06-06 | Coding type classification perforation instrument |
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| CN102704898A true CN102704898A (en) | 2012-10-03 |
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| CN2012101842756A Pending CN102704898A (en) | 2012-06-06 | 2012-06-06 | Coding type classification perforation instrument |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005740A (en) * | 2014-05-06 | 2014-08-27 | 西安理工大学 | Control circuit and control method for oil gas well multistage perforation detonator |
| CN104033136A (en) * | 2014-04-25 | 2014-09-10 | 西安物华巨能爆破器材有限责任公司 | Pressure coding detonating device and method |
| 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 |
| CN104481469B (en) * | 2014-09-29 | 2017-08-25 | 殷婷 | Multi-stage ignition exploding perforating hole system based on the digital electric detonator using single-core cable |
| CN108825179A (en) * | 2018-05-31 | 2018-11-16 | 西安物华巨能爆破器材有限责任公司 | A kind of wireless encoding control device for detonation of electric |
| CN111946305A (en) * | 2020-09-21 | 2020-11-17 | 成都若克菲斯科技有限公司 | Multi-stage selective-firing perforating system for oil-gas well perforation |
| CN113631795A (en) * | 2019-03-27 | 2021-11-09 | 狩猎巨人公司 | Solid-state dual-trigger circuit |
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| CN2045424U (en) * | 1989-02-28 | 1989-10-04 | 辽河石油勘探局测井公司 | Safety detonator for oil well perforation |
| CN1676871A (en) * | 2004-04-02 | 2005-10-05 | 中海石油（中国）有限公司天津分公司 | Series combined logging instrument |
| US20070125530A1 (en) * | 1998-10-27 | 2007-06-07 | Schlumberger Technology Corporation | Interactive and/or secure activation of a tool |
| US20090050322A1 (en) * | 2007-08-20 | 2009-02-26 | Baker Hughes Incorporated | Wireless perforating gun initiation |
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Patent Citations (5)
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| CN2045424U (en) * | 1989-02-28 | 1989-10-04 | 辽河石油勘探局测井公司 | Safety detonator for oil well perforation |
| US20070125530A1 (en) * | 1998-10-27 | 2007-06-07 | Schlumberger Technology Corporation | Interactive and/or secure activation of a tool |
| CN1676871A (en) * | 2004-04-02 | 2005-10-05 | 中海石油（中国）有限公司天津分公司 | Series combined logging instrument |
| US20090050322A1 (en) * | 2007-08-20 | 2009-02-26 | Baker Hughes Incorporated | Wireless perforating gun initiation |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033136A (en) * | 2014-04-25 | 2014-09-10 | 西安物华巨能爆破器材有限责任公司 | Pressure coding detonating device and method |
| CN104033136B (en) * | 2014-04-25 | 2017-02-15 | 西安物华巨能爆破器材有限责任公司 | Pressure coding detonating device and method |
| CN104005740A (en) * | 2014-05-06 | 2014-08-27 | 西安理工大学 | Control circuit and control method for oil gas well multistage perforation detonator |
| CN104005740B (en) * | 2014-05-06 | 2016-03-02 | 西安物华巨能爆破器材有限责任公司 | The control circuit of Oil/gas Well multi-stage perforator initiator and control method |
| CN104481469B (en) * | 2014-09-29 | 2017-08-25 | 殷婷 | Multi-stage ignition exploding perforating hole system based on the digital electric detonator using single-core cable |
| 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 |
| CN108825179A (en) * | 2018-05-31 | 2018-11-16 | 西安物华巨能爆破器材有限责任公司 | A kind of wireless encoding control device for detonation of electric |
| CN113631795A (en) * | 2019-03-27 | 2021-11-09 | 狩猎巨人公司 | Solid-state dual-trigger circuit |
| CN113631795B (en) * | 2019-03-27 | 2024-02-20 | 狩猎巨人公司 | Solid-state dual trigger circuit |
| CN111946305A (en) * | 2020-09-21 | 2020-11-17 | 成都若克菲斯科技有限公司 | Multi-stage selective-firing perforating system for oil-gas well perforation |
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Application publication date: 20121003 |