CN106050194B - Well initiation device capable of preventing false initiation - Google Patents
Well initiation device capable of preventing false initiation Download PDFInfo
- Publication number
- CN106050194B CN106050194B CN201610538522.6A CN201610538522A CN106050194B CN 106050194 B CN106050194 B CN 106050194B CN 201610538522 A CN201610538522 A CN 201610538522A CN 106050194 B CN106050194 B CN 106050194B
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- Prior art keywords
- switch
- cable
- detonation
- detonating
- power supply
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
- E21B43/1185—Ignition systems
Abstract
The invention relates to a well priming device capable of preventing false priming.A 220V alternating current is divided into two paths to be connected into a direct current power supply U1, and a direct current power supply U1 is divided into three paths: one path is sequentially connected with a pointer voltmeter U2, a detonation relay U3, a bidirectional pointer ammeter U4, a polarity switching relay U5, a disconnecting switch U6, a short-circuit switch U7 and a connector U8; one path is sequentially connected with a key switch U9, a cable polarity selection switch U10, a positive electricity detonating switch U11 and a negative electricity detonating switch U12; one path is connected into a pressure regulating knob U13. The detonation relay U3 taps the positive and negative detonation switches U11 and U12. The processor U14 taps a cable polarity selection switch U10, and positive and negative electricity detonating switches U11 and U12. According to the invention, each cable polarity selection switch corresponds to the polarity state indication of the underground detonator, and the positive and negative electricity detonating buttons are independently arranged, so that the detonating safety is high; the problems of misoperation, misoperation and cable residual high voltage mis-detonation perforation can be solved.
Description
Technical field
The present invention relates to multi-stage ignition perforating systems, and in particular to one kind is for preventing having polar big resistance detonator mistake
The device of detonation.
Background technology
In traditional oil and gas development, completion perforating technique is multi-stage perforator of once going into the well after rifle string is issued to precalculated position
Rifle publishes switch using fluid pressure switching, realizes classification perforation.According to gun perforation process require bridge plug set for bear detonator, one
Rifle is positive electricity double detonator, and a positive detonator is parallel-connected on perforation cable in negative detonator and a rifle herein；The positive thunder of another
Pipe primacord generation pressure promotion when bridge plug is set is published switch and is connected on perforation cable, detonator positive and negative anodes in multistage rifle string
Sex-intergrade work realizes that sub-clustering perforation causes the perforation that accidentally detonates there are maloperation one rifle of detonation when worker's detonation bridge plug is set, or
Person's instrument malfunctions, and cable residual high voltage is likely to cause the perforation that accidentally detonates.
Invention content
The purpose of the present invention is be directed to above-mentioned present situation, it is desirable to provide one kind is for realizing that detonator rises in completion perforating operation
It is quick-fried, when the cable core and cable shell of cable carry out short circuit and open circuit, maloperation, accidentally detonation perforation can be solved；Completion is improved to make
Industry safety, reduces labor intensity, improves the well priming device of the anti-error detonation of work efficiency.
The realization method of the object of the invention is that a kind of well priming device of the anti-error detonation of energy, 220V alternating currents divide two-way
Access DC power supply U1:L, N foot of access DC power supply U1, another way access power switch U15 all the way；U1 points three of DC power supply
Road：0-450VDC voltages meet pointer voltmeter U2 all the way, and 24VDC accesses key switch U9 all the way, and 0-5VDC accesses pressure regulation all the way
Knob U13；Pointer voltmeter U2 accesses detonating relay U3, and detonating relay U3 accesses bidirectional pointer ammeter U4, two-way finger
Needle ammeter U4 meets polarity switching relay U5, disconnect switch U6 successively, short switch U7, connector U8；Key switch U9 connects
Cable polar selecting switch U10, cable polar selecting switch U10 mono- terminate positive electricity and play voltage flame proof switch U11, another termination processor
U14, positive electric initiating switch U11 connect respectively：Detonating relay U3, polarity switching relay U5, positive electric initiating switch U11, negative electricity
Play voltage flame proof switch U12, processor U14；Negative electricity plays voltage flame proof switch U12 and connects respectively：Polarity switching relay U5, detonating relay U3, just
Electric initiating switch U11, processor U14.
Using the present invention, output aerospace connectors and input power cord are connected first.Secondly, power switch is stirred, revolved
Turn cable and control key switch to output gear, orderly selection cable polar selecting switch is selected to switch corresponding finger
Show that lamp is lit, while the corresponding polar detonation button indicating lamp of output voltage is lit.Finally, press the detonation lighted by
Button, and adjusting pressuring knob swing is adjusted by observing pointer voltmeter show value, it is detonated.
According to the demand of cable perforation technique, bespoke design carries out short the present invention for the cable core and cable shell of cable
Two kinds of control modes on road and off state.
When needing open circuit, rotatable cable control key switch is to breaking gear, the combined operation that output line passes through key switch
The physical segmentation for realizing main line and perforation cable avoids Conduction Interference and stray electrical current outflow between external instrument for measuring and recording device from drawing
Play the detonation of detonator mis-ignition.When needing short circuit, out connector and input power cord are connected, power switch, rotatable cable are stirred
Key switch is controlled to short-circuit gear, output line realizes the physics point of main line and perforation cable by the combined operation of key switch
It cuts, while the main line short circuit of perforation cable cable core, the stray voltage stored in power down cable can be released effectively, protect external instrument for measuring and recording device
It is burned out, stray voltage causes detonator mis-ignition to detonate.
The invention has the advantages that：
1, anti-misoperation, accidentally detonation function are realized by panel layout compartmentalization and redundancy design of electrical system, improved
Completion practice safety, reduces labor intensity, improves work efficiency, there is an important realistic meaning；
2, priming device output is different from traditional wired column wiring, anti-error patching operations by using aerospace connectors wiring
It is convenient and efficient；
3, detonator polarization state indicates under each cable polar selecting switch corresponding well, the instruction visualization of detonator polarization state
Degree improves；
4, positive and negative electric initiating button independent setting is different from traditional key detonation, substantially increases detonation safety；
5, often step operation will have whether indicator light instruction current operation is effective, and positive negative electricity indicator light indicates color in panel
With distinct contrast, user is easy to operate, quick in use.
Description of the drawings
Fig. 1 is front-panel structure schematic diagram of the present invention；
Fig. 2 is the work electrical schematic diagram of the present invention.
Specific implementation mode
The present invention is described in detail below in conjunction with attached drawing.
Referring to Fig.1,2,220V alternating currents divide two-way, connect the L feet and N feet of the U1A of DC power supply U1, another way access all the way
1 foot of power switch U15, the U1A of DC power supply U1 connect 3 feet of U1B.U1 points of three tunnels of DC power supply：The 2 foot 0- of U1A all the way
450VDC voltages connect 1 foot of pointer voltmeter U2, and the 5 foot 24VDC of U1B access key switch U9 all the way, all the way the 5 foot 0- of U1B
5VDC meets adjusting pressuring knob U13.
2 feet of pointer voltmeter U2 connect 1 foot of detonating relay U3.Detonating relay U3 tap bidirectional pointer ammeters U4
1 foot, 4 feet of positive electric initiating switch U11, negative electricity play 3 feet of 4 feet of voltage flame proof switch U12, polarity switching relay U5.Two-way finger
2 feet of needle ammeter U4 connect 1 foot of polarity switching relay U5.1 foot of polarity switching relay U5 connects the 1 of disconnect switch U6
2 feet of foot, short switch U6 connect 1 foot of short switch U7, and 2 feet of short switch U7 connect 1 foot of out connector U8.
2 feet of key switch U9 connect 1 foot of cable polar selecting switch U10, and 2 feet of cable polar selecting switch U10 connect
2 feet of 1 foot of positive electric initiating switch U11, positive electric initiating switch U11 connect 1 foot that negative electricity plays voltage flame proof switch U12.Cable polarity selects
3 feet of switch U10 connect 1 foot of processor U14, and 3 feet of positive electric initiating switch U11 connect 3 feet of processor U14, meet processor U14
3 feet connect 2 feet of processor U14.
The DC power supply U1 of the present invention uses two kinds of specification power supply modules of U1A (NHWY-450) and U1B (LB20-10B24),
Main power source U1A (NHWY-450) provides the detonation voltage of 0-450VDC, and accessory power supply U1B (LB20-10B24) provides 24VDC's
Voltage is controlled, is controlled for weak electrical appliance in system；0.5VDC pressure regulation voltages are used for the control of U1A output voltages.
Pointer voltmeter U2 selects 69C9-V 2.5 grades of high-precision high sensitive voltmeter components of type, for showing DC power supply
Middle U1A output voltages.
Detonating relay U3 selects HFE18-10 high direct voltage type high power relay components, is connect for the voltage that currently detonates
It leads to perforation cable and provides a reliable mechanical switch.
Bidirectional pointer ammeter U4 chooses the highly sensitive ammeter component of 2.5 grades of high-precisions of 69C9-I types, is used to indicate and flows through
The electric current of detonator, detonator polarity judge and blasting state judges, can evade mis-ignition detonation in time.
Polarity switching relay U5 selects the highly reliable relay for vehicle component of G5Q-14 types, is cut for output voltage polarity
It changes.
Disconnect switch U6 and short switch U7 selects ZB2BE101C open type contact assemblies, and key switch linkage work,
Physics disconnects initiating instrument output line when for breaking shelves, and physics disconnects initiating instrument output line when short-circuit shelves, and makes output line short circuit.
Out connector U8 selects WS20K2Z1C ring flange aerospace connectors components, for connecting perforation cable and output
Polarity of voltage is protected, and worker's wiring error is can avoid, and evades mis-ignition detonation.
Key switch U9 selects XB2BG33C multi gear bit switch functional units, for exporting, open circuit, short-circuit gear selection.
Multi gear position key switch release cable participates in high pressure, and physics disconnects priming device and connect with perforation cable, ensure that non-perforation shape
Occur accidentally to detonate when state.
Cable polar selecting switch U10 selects S6A type double-pole double throw faulty action preventing mechanical switch assemblies, for downhole cable electricity
Press polarity selection, blasting state instruction, the positive and negative electricity instruction of detonation button.Orderly cable polar selecting switch selection, manages
Perforation flow evades mis-ignition detonation.
Positive electric initiating switch U11 and negative electricity play voltage flame proof switch U12 and select T22-271CPR band instruction mechanical switch assemblies, are used for
Control detonating relay work.Adjusting pressuring knob U13 selects 3590S-1-502L current potential device assemblies, is used for U1A output voltage controls.
Processor U14 selects GAL16V8D programmable logic device components, for receiving the work of cable polar selecting switch
State and orderly control detonation flow.
Using the present invention, output aerospace connectors and input power cord are connected first.Secondly, power switch is stirred, revolved
Turn cable and control key switch to output gear, orderly selection cable polar selecting switch is selected to switch corresponding finger
Show that lamp is lit, while the corresponding polar detonation button indicating lamp of output voltage is lit.Finally, press the detonation lighted by
Button, and adjusting pressuring knob swing is adjusted by observing pointer voltmeter show value, it is detonated.
During the completion practice of cable perforation, different work process needs to carry out the cable core and cable shell of cable
The control of short circuit and breaking two states.In general, perforating job and data need to keep cable core and shell during surveying record
It disconnects, it is usual convenient for channel flowing between cable core and shell.Non- operation process needs to keep cable core and shell short circuit, discharges in cable
Stray electrical current and voltage, prevent detonator in perforating bullet from missing the measuring system that quick-fried and damage is integrated into perforator truck.Root of the present invention
According to the demand of cable perforation technique, bespoke design is directed to two kinds of control modes of cable status.
When needing open circuit, rotatable cable control key switch is to breaking gear, the combined operation that output line passes through key switch
The physical segmentation for realizing main line and perforation cable avoids Conduction Interference and stray electrical current outflow between external instrument for measuring and recording device from drawing
Play the detonation of detonator mis-ignition.When needing short circuit, out connector and input power cord are connected, power switch, rotatable cable are stirred
Key switch is controlled to short-circuit gear, output line realizes the physics point of main line and perforation cable by the combined operation of key switch
It cuts, while the main line short circuit of perforation cable cable core, the stray voltage stored in power down cable can be released effectively, protect external instrument for measuring and recording device
It is burned out, stray voltage causes detonator mis-ignition to detonate.
Claims (8)
1. a kind of well priming device of the anti-error detonation of energy, it is characterised in that：220V alternating currents divide two-way access DC power supply U1:
L, the N-terminal of access DC power supply U1 connects all the way；Another way accesses power switch U15；U1 points of three tunnels of DC power supply：0- all the way
450VDC voltages meet pointer voltmeter U2, and 24VDC accesses key switch U9 all the way, and 0-5VDC accesses adjusting pressuring knob U13 all the way；Refer to
Needle voltmeter U2 accesses detonating relay U3, and detonating relay U3 accesses bidirectional pointer ammeter U4, bidirectional pointer ammeter U4
Polarity switching relay U5, disconnect switch U6, short switch U7, connector U8 are met successively；Key switch U9 connects the choosing of cable polarity
Select switch U10, cable polar selecting switch U10 mono- terminates positive electricity and plays voltage flame proof switch U11, another termination processor U14, positive electric initiating
Switch U11 connects respectively：Detonating relay U3, polarity switching relay U5, cable polar selecting switch U10, negative electricity play voltage flame proof switch
U12, processor U14；Negative electricity plays voltage flame proof switch U12 and connects respectively：Polarity switching relay U5, detonating relay U3, positive electric initiating are opened
Close U11, processor U14.
2. a kind of well priming device of anti-error detonation of energy according to claim 1, it is characterised in that：In DC power supply U1
U1A and U1B be respectively adopted two kinds of specification power supply modules of NHWY-450 and LB20-10B24, main power source U1A provides 0-450VDC
Detonation voltage, accessory power supply U1B provides control voltage, the 0.5VDC pressure regulation voltages of 24VDC.
3. a kind of well priming device of anti-error detonation of energy according to claim 1, it is characterised in that：Disconnect switch U6 and
Short switch U7 selects ZB2BE101C open type contact assemblies, with key switch linkage work.
4. a kind of well priming device of anti-error detonation of energy according to claim 1, it is characterised in that：Out connector U8
Select model WS20K2Z1C ring flange aerospace connectors components.
5. a kind of well priming device of anti-error detonation of energy according to claim 1, it is characterised in that：Key switch U9 choosings
With XB2BG33C multi gear bit switch functional units, there are output, open circuit, short-circuit gear selection.
6. a kind of well priming device of anti-error detonation of energy according to claim 1, it is characterised in that：Cable polarity selects
Switch U10 selects S6A type double-pole double throw faulty action preventing mechanical switch assemblies, is orderly cable polar selecting switch.
7. a kind of well priming device of anti-error detonation of energy according to claim 1, it is characterised in that：Positive electric initiating switch
U11 and negative electricity play voltage flame proof switch U12 and select model T22-271CPR band instruction mechanical switch assemblies.
8. a kind of well priming device of anti-error detonation of energy according to claim 1, it is characterised in that：Processor U14 choosings
With GAL16V8D programmable logic device components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610538522.6A CN106050194B (en) | 2016-07-08 | 2016-07-08 | Well initiation device capable of preventing false initiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610538522.6A CN106050194B (en) | 2016-07-08 | 2016-07-08 | Well initiation device capable of preventing false initiation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106050194A CN106050194A (en) | 2016-10-26 |
| CN106050194B true CN106050194B (en) | 2018-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610538522.6A Active CN106050194B (en) | 2016-07-08 | 2016-07-08 | Well initiation device capable of preventing false initiation |
Country Status (1)
| Country | Link |
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| CN (1) | CN106050194B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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|---|---|---|---|---|
| CN101389826A (en) * | 2006-01-10 | 2009-03-18 | 欧文石油工具有限合伙公司 | Apparatus and method for selective actuation of downhole tools |
| CN101582635A (en) * | 2009-06-30 | 2009-11-18 | 东华理工大学 | Direct current boosting power device of three-dimensional resistivity imaging system |
| CN202560202U (en) * | 2011-08-25 | 2012-11-28 | 中国石油集团长城钻探工程有限公司 | Cable core switching device |
| CN205036357U (en) * | 2015-09-29 | 2016-02-17 | 中石化石油工程技术服务有限公司 | Multistage perforation ignition ground controlling means |
| CN205376409U (en) * | 2016-02-19 | 2016-07-06 | 保定市一禾电气有限公司 | Output relay module |
| CN205858297U (en) * | 2016-07-08 | 2017-01-04 | 中石化石油工程技术服务有限公司 | The anti-error well priming device detonated of a kind of energy |
-
2016
- 2016-07-08 CN CN201610538522.6A patent/CN106050194B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101389826A (en) * | 2006-01-10 | 2009-03-18 | 欧文石油工具有限合伙公司 | Apparatus and method for selective actuation of downhole tools |
| CN101582635A (en) * | 2009-06-30 | 2009-11-18 | 东华理工大学 | Direct current boosting power device of three-dimensional resistivity imaging system |
| CN202560202U (en) * | 2011-08-25 | 2012-11-28 | 中国石油集团长城钻探工程有限公司 | Cable core switching device |
| CN205036357U (en) * | 2015-09-29 | 2016-02-17 | 中石化石油工程技术服务有限公司 | Multistage perforation ignition ground controlling means |
| CN205376409U (en) * | 2016-02-19 | 2016-07-06 | 保定市一禾电气有限公司 | Output relay module |
| CN205858297U (en) * | 2016-07-08 | 2017-01-04 | 中石化石油工程技术服务有限公司 | The anti-error well priming device detonated of a kind of energy |
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| Publication number | Publication date |
|---|---|
| CN106050194A (en) | 2016-10-26 |
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Effective date of registration: 20220505 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: SINOPEC Group Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: Sinopec Jingwei Co.,Ltd. Patentee after: SINOPEC OILFIELD SERVICE JIANGHAN Corp. Patentee after: Jianghan logging branch of Sinopec Jingwei Co.,Ltd. Address before: 100029 12th floor, no.6, Huixin East Street, Chaoyang District, Beijing Patentee before: SINOPEC OILFIELD SERVICE Corp. Patentee before: SINOPEC OILFIELD SERVICE JIANGHAN Corp. |