CN102691496B - Logging system method of controlling security - Google Patents
Logging system method of controlling security Download PDFInfo
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- CN102691496B CN102691496B CN201110073588.XA CN201110073588A CN102691496B CN 102691496 B CN102691496 B CN 102691496B CN 201110073588 A CN201110073588 A CN 201110073588A CN 102691496 B CN102691496 B CN 102691496B
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- logging
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Abstract
The present invention relates to a kind of logging system method of controlling security, by safety switch SW1, the power supply of well logging ground-based system is controlled, comprise the steps: that (a) provides well logging alternating current from well logging electromotor to uninterrupted power source UPS；B described safety switch SW1 is placed in operation range by (), the well logging alternating current of described uninterrupted power source UPS output flows to logging system through described safety switch SW1；C described safety switch SW1, before installing perforating gun, coring rifle, is switched to safe gear by (), disconnect the uninterrupted power source UPS power supply to logging system, and logging system quits work, and 7 core cables are discharged by ground resistance earth；After (d) perforating gun, coring rifle installation, described safety switch SW1 is switched to operation range, recover normal power supply.By using above-mentioned method of controlling security, after efficiently avoid closedown well logging ground-based system, the risk that system still live line work is brought.
Description
Technical field
The present invention relates to a kind of method for well logging ground-based system security control.
Background technology
Well logging, is also geophysical log or oil well logging, is called for short well logging, is to utilize the geophysical property such as the electrochemical properties of rock stratum, conductive characteristic, acoustic characteristic, radioactivity, and the method measuring geophysical parameters belongs to one of applied geophysics method.During oil drilling, all must log well after planned well is spent deeply getting into, also known as completion logging, to obtain various petroleum geology and engineering data, the i.e. information such as reservoir depth, thickness, as completion and the raw data developed oil fields.This well logging is referred to as bore hole well logging traditionally.And the second time well logging carried out after complete sleeve pipe under oil well, it is referred to as production logging or development logging traditionally, it is to judge to measure sleeve pipe cementing quality, need subsequently to carry out perforation, i.e. with special perforating gun by sleeve pipe and cement sheath and partial penetrating, make pit shaft and stratum UNICOM, reach oil gas and flow into the purpose of pit shaft, then oil gas is delivered to ground by pit shaft.
As shown in Figure 4, logging system is broadly divided into ground system and downhole instrument 2 part, connected by single-core cable and 7 core armored cables between 2, ground system and cable are all arranged on logging truck, during well logging, downhole instrument is transferred or lifted to ground winch by cable, and is powered to downhole instrument by cable, realizes the data communication of ground and down-hole simultaneously.
Our logging system can provide the multiple services such as bore hole well logging, production logging, perforation, coring (explosion side-wall coring, hereinafter referred to as coring) at present, is the platform of collection multiple well logging service.Owing to being integrated with the perforation of priming system, the coring service of relating to, and the use of perforating gun, coring rifle is all electric cap igniter, so the circuit safety control to logging system requires stricter.
For perforation, coring service, current logging system is typically placed with 1 key safety switch in the interface section of 7 core cables Yu ground system, controls 7 core cables and accesses ground system (switch is placed in operation range) or receive earth resistance and carry out discharge (switch is placed in safe gear)；Installing before perforating gun, coring rifle, needing this switch to be placed in safe gear, i.e. cable by 5.1K/5W power resistor ground connection, making cable discharge, and ground system equipment still live line work.
Owing to 7 core cables are not fee from meeting and other holding wires of ground system, power line stacking when wiring, if and ground system still live line work, then will likely sense the signal of telecommunication of other cables on 7 core cables, it is possible to ignite electric cap, bring danger.
Even manually by ground system power-off, due to the existence of ground system UPS, making power process at least need 2 steps, 1st step generator of logging truck stops working, the whole power-off of logging truck, ground system, second step also needs to close ups power output, makes troubles to operator.The most easily cause and forget to close ups power output, and bring danger.
Additionally, Chinese patent application CN201010022477.1(publication number CN101719654A) in disclose a kind of novel electricity system alarm for power-off method, utilize UPS uninterrupted power source and civilian electricity jointly to system power supply, when civilian electricity normal power supply, the supply access of UPS uninterrupted power source is off；The power-off of the most civilian electricity, the supply access of UPS uninterrupted power source to system can turn on automatically；Whether system is turned on by the supply access of detection UPS to system, judges whether civilian electricity is in off-position；If the system detects that UPS is to the supply access conducting of system, it will send civilian electricity power cut-off information immediately, notify user's civilian electricity power-off by the Internet, mobile phone terminal or landline telephone, or triggering relevant device makes alarm operation, indicates the power-off of civilian electricity.In the disclosure in this patent, system has two or more power interfaces, relate to the use of UPS uninterrupted power source and civilian electricity jointly to system power supply, what this patent application solved is when folk power supply cuts off, owing to UPS carrys out stand-by power supply, thus keep stablizing lasting power demands, it is not necessary to full-time staff guards electricity system, is not concerned about safety-protection system and is destroyed.
Summary of the invention
For above-mentioned problems of the prior art point, it is an object of the invention to, it is provided that a kind of logging system method of controlling security, while 7 core cables are disconnected with ground system and pass through 5.1K/5W power resistor ground connection, shutoff ups power exports, and eliminates above-mentioned potential safety hazard.
According to an aspect of the present invention, a kind of logging system method of controlling security is provided, described system includes: uninterrupted power source UPS, single-core cable and 7 core cables, safety switch SW1 and system power supply allocation unit PDU, the outfan of described uninterrupted power source UPS and single-core cable and 7 core cables all access safety switch, described safety switch SW1 is arranged on the seam of single-core cable and 7 core cables and ground system, being controlled the power supply of well logging ground-based system by described safety switch SW1, it comprises the steps:
A () provides well logging alternating current from well logging electromotor to described uninterrupted power source UPS；
B described safety switch SW1 is placed in operation range by (), the well logging alternating current of described uninterrupted power source UPS output flows to logging system through described safety switch SW1；
C described safety switch SW1, before installing perforating gun, coring rifle, is switched to safe gear by (), disconnect the uninterrupted power source UPS power supply to logging system, and described logging system quits work, and described single-core cable and 7 core cables are discharged by ground resistance earth；
After (d) perforating gun, coring rifle installation, described safety switch SW1 is switched to operation range gear, recover normal power supply.
By using above-mentioned method of controlling security, when safety switch pushes safe gear, UPS output disconnects, ground system all devices power-off, and 7 core cables pass through 5.1K/5W power resistor ground connection, completes the security control of ground system when perforation, coring service.
In above-mentioned logging system method of controlling security, it is characterized in that, be provided with between described uninterrupted power source UPS and described safety switch UPS online/Bypass Control switch SW4, when described uninterrupted power source UPS normally works, described UPS is online/and Bypass Control switch SW4 disconnects, and when breaking down, described UPS is online/Bypass Control switch SW4 Guan Bi, the alternating current making well logging electromotor export is not directly entered system by UPS, keeps the normal power supply of system.
In above-mentioned logging system method of controlling security, it is characterized in that, in described step (b), it is delivered to described system power supply allocation unit PDU from the well logging alternating current of described uninterrupted power source UPS output, described system power supply allocation unit PDU distributes described alternating current to logging system equipment.
In above-mentioned logging system method of controlling security, it is characterised in that in described step (c), cut-off from described uninterrupted power source UPS output, described system power supply allocation unit PDU stops distributing described alternating current to logging system equipment.
In above-mentioned logging system method of controlling security, it is characterised in that described earth resistance is 5.1K/5W power resistor.
In above-mentioned logging system method of controlling security, it is characterised in that described safety switch be SW1 be 10 layers of multiconductor permutator, when handle position is in 0 degree of position, single-core cableWith7 core cables access logging system, and well logging alternating current power supply accesses described system power supply allocation unit PDU；When handle position is in 90 degree of positions, by single-core cable and 7 core cable groundings.
Wherein, described safety switch is that the handle position of SW1 is when being in 0 degree of position, contact 1-2,5-6,9-10,13-14,17-18,21-22,25-26,29-30,33-34,37-38 being closed, contact 3-4,7-8,11-12,15-16,19-20,23-24,27-28,31-32,35-36,39-40 disconnect.
Additionally, described safety switch is that the handle position of SW1 is when being in 90 degree of positions, contact 1-2,5-6,9-10,13-14,17-18,21-22,25-26,29-30,33-34,37-38 disconnect, and contact 3-4,7-8,11-12,15-16,19-20,23-24,27-28,31-32,35-36,39-40 close.
Accompanying drawing explanation
Accompanying drawing 1 is the block diagram of the well logging ground-based system method of controlling security of the present invention.
Accompanying drawing 2 is the logging system safety ground control principle drawing of the present invention.
Accompanying drawing 3 is the safety switch contact graph of a relation of the present invention.
Accompanying drawing 4 is logging operation schematic diagram.
Detailed description of the invention
Accompanying drawing 1 is the block diagram of the well logging ground-based system method of controlling security of the present invention.In this method of controlling security, 7 core cables and single-core cable (the labelling 7C&1C in Tu), UPS are all accessed safety switch, the power supply control of ground system is realized by the gear switch of this safety switch, during power-off, cable passes through 5.1K/5W power resistor ground connection, make cable discharge, it is achieved security control.Specifically,
Accompanying drawing 2 is the logging system safety ground control principle drawing of the present invention.In fig 2,
7C&1C represents well logging 7 core cable and single-core cables, conventional logging cable has seven core cable and single-core cable, logging cable not only can transmit signal and electric energy, and owing to its mechanical performance is the best, so the huge tension force produced in well logging can also be born, in the structure cross section of conventional seven core cable, the resistance value of cable core is relevant with cable core material therefor and length, 7 cable cores are insulation each other, and designing two-layer outer armor purpose is the mechanical strength in order to increase cable.
UPS represents logging system uninterrupted power source, has the function such as automatic voltage regulation, power-off protection, and in well logging electric power system, the output of electromotor is linked into the input of UPS, and generally, all of ground of logging system, downhole instrument power and exported by UPS.
SW4 represent UPS online/Bypass Control switch, when UPS breaks down, logging system power supply can not be directly entered system, the normal power supply of holding system by UPS.
PDU represents system power supply allocation unit, and the alternating current power supply of all logging system equipment is all accessed by its distribution；
ARMOR represents cable sheath, the biglyyest.
nullSW1 represents logging system Safe control switch，It is 10 layers of multiconductor permutator，There are 2 gears，Wherein 0 degree of position is operation range，Expression system is in normal operating conditions，7 core cables and single-core cable access system，Alternating current power supply accesses PDU，90 degree of positions are safe gear，Represent 7 core cables and single-core cable ground connection，System power supply is unsettled，SW1 is equivalent to the single-pole double-throw switch (SPDT) of 10 linkages，This switch SW1 is by the SW1-A shown in accompanying drawing 2、SW1-B、SW1-C tri-part is constituted，Its contact relation principle figure is as shown in Figure 3，When handle position is in 0 degree of position，The contact 1-2 of this switch、5-6、9-10、13-14、17-18、21-22、25-26、29-30、33-34、37-38 closes，And contact 3-4、7-8、11-12、15-16、19-20、23-24、27-28、31-32、35-36、39-40 disconnects；When handle position is in 90 degree of positions, the most contrary to the above.
In the well logging ground-based system of the present invention, as shown in Figure 2, the interface section of single-core cable and 7 core cables and ground system is provided with safety switch SW1, logging system uninterrupted power source UPS via UPS online/Bypass Control switch SW4 accesses to safety switch SW1, when normally working, well logging electromotor output alternating current via logging system uninterrupted power source UPS to system power supply, UPS is online/and Bypass Control switch SW4 disconnects, as previously mentioned, when UPS breaks down, UPS is online/Bypass Control switch SW4 Guan Bi, the alternating current of well logging electromotor output still can not be directly entered system by UPS, the normal power supply of holding system.nullThe handle position of this safety switch SW1 is placed in 0 degree of position，I.e. it is placed in the position of B point in figure，Now，As described in above，The contact 1-2 of this switch SW1、5-6、9-10、13-14、17-18、21-22、25-26、29-30、33-34、37-38 closes，And contact 3-4、7-8、11-12、15-16、19-20、23-24、27-28、31-32、35-36、39-40 disconnects，The output AC electricity of electromotor is delivered to system power supply allocation unit PDU via logging system uninterrupted power source UPS and safety switch SW1，And by this system power supply allocation unit PDU be all logging system equipment distribute incoming transport power supply，Downhole instrument is powered by single-core cable and 7 core cables and carries out the normal data transfer of ground system and downhole instrument，Complete normal well logging.
But, for perforation, coring services, perforating gun is being installed, before coring rifle, need this switch SW1 is pushed safe gear, i.e., switch to the position of C point in figure, the handle position of this safety switch SW1 is placed in 90 degree of positions, now, as as described in above, the contact 1-2 of this switch SW1, 5-6, 9-10, 13-14, 17-18, 21-22, 25-26, 29-30, 33-34, 37-38 disconnects, and contact 3-4, 7-8, 11-12, 15-16, 19-20, 23-24, 27-28, 31-32, 35-36, 39-40 closes.In this case, logging system uninterrupted power source UPS is cut off with the connection of system power supply allocation unit PDU, stop the power supply for all logging system equipment, well logging ground-based system quits work, and now, single-core cable and 7 core cables A point in switch SW1(figure is connected with C point) it is connected with 5.1K/5W power resistor and ground connection, thus complete cable discharge.
Thus, when safety switch be placed in C point be in safe gear time, not only ground system all devices power-off, quit work, charged in single-core cable and 7 core cables is released by 5.1K/5W power resistor ground connection, the probability of the signal of telecommunication that may sense other cables on the single-core cable then caused due to ground system still live line work and 7 core cables is greatly lowered, thus efficiently avoid ignition electric cap and bring danger.
After perforating gun, coring rifle installation, more described safety switch SW1 is switched to B point from C point, recover normal system power supply.
By the description of above-described embodiment, understand, the method of controlling security of the present invention is placed with 1 key safety switch compared to the interface section at 7 core cables Yu ground system, control 7 core cables access ground system (operation range) or receive earth resistance carry out discharging (safe gear) prior art for, its advantage is apparent from.
It should be understood that above example is only in order to illustrative not limiting technical scheme.Although the present invention being described in detail with reference to above-described embodiment, but it will be understood by those within the art that: still the present invention can be modified or equivalent, without departing from the spirit and scope of the present invention, these amendment or equivalents that claims are intended to fall in spirit and scope of the invention.
Claims (8)
1. a logging system method of controlling security, described system includes: uninterrupted power source UPS, single-core cable and 7 core cables, safety switch SW1 and system power supply allocation unit PDU, the outfan of described uninterrupted power source UPS and single-core cable and 7 core cables all access safety switch, described safety switch SW1 is arranged on the seam of single-core cable and 7 core cables and ground system, by described safety switch SW1, the power supply of well logging ground-based system is controlled, it is characterized in that, comprise the steps:
A () provides well logging alternating current from well logging electromotor to described uninterrupted power source UPS；
B described safety switch SW1 is placed in operation range by (), the well logging alternating current of described uninterrupted power source UPS output flows to logging system through described safety switch SW1；
C described safety switch SW1, before installing perforating gun, coring rifle, is switched to safe gear by (), disconnect the uninterrupted power source UPS power supply to logging system, and described logging system quits work, and described single-core cable and 7 core cables are discharged by ground resistance earth；
After (d) perforating gun, coring rifle installation, described safety switch SW1 is switched to operation range gear, recover normal power supply.
2. logging system method of controlling security as claimed in claim 1, it is characterised in that
Be provided with between described uninterrupted power source UPS and described safety switch UPS online/Bypass Control switch SW4, when described uninterrupted power source UPS normally works, described UPS is online/and Bypass Control switch SW4 disconnects, when breaking down, described UPS is online/Bypass Control switch SW4 Guan Bi, the alternating current making well logging electromotor export is not directly entered system by UPS, keeps the normal power supply of system.
3. logging system method of controlling security as claimed in claim 1 or 2, it is characterised in that
In described step (b), it is delivered to described system power supply allocation unit PDU from the well logging alternating current of described uninterrupted power source UPS output, described system power supply allocation unit PDU distributes described well logging alternating current to logging system equipment.
4. logging system method of controlling security as claimed in claim 1 or 2, it is characterised in that
In described step (c), cut-off from described uninterrupted power source UPS output, described system power supply allocation unit PDU stops distributing described well logging alternating current to logging system equipment.
5. logging system method of controlling security as claimed in claim 1 or 2, it is characterised in that
Described earth resistance is 5.1K/5W power resistor.
6. logging system method of controlling security as claimed in claim 1 or 2, it is characterised in that
Described safety switch be SW1 be 10 layers of multiconductor permutator, when handle position is in 0 degree of position, single-core cable and 7 core cables access logging system, and well logging alternating current power supply accesses described system power supply allocation unit PDU；When handle position is in 90 degree of positions, by single-core cable and 7 core cable groundings.
7. logging system method of controlling security as claimed in claim 6, it is characterised in that
Described safety switch is that the handle position of SW1 is when being in 0 degree of position, contact 1-2,5-6,9-10,13-14,17-18,21-22,25-26,29-30,33-34,37-38 close, and contact 3-4,7-8,11-12,15-16,19-20,23-24,27-28,31-32,35-36,39-40 disconnect.
8. logging system method of controlling security as claimed in claim 6, it is characterised in that
Described safety switch is that the handle position of SW1 is when being in 90 degree of positions, contact 1-2,5-6,9-10,13-14,17-18,21-22,25-26,29-30,33-34,37-38 disconnect, and contact 3-4,7-8,11-12,15-16,19-20,23-24,27-28,31-32,35-36,39-40 close.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110073588.XA CN102691496B (en) | 2011-03-25 | 2011-03-25 | Logging system method of controlling security |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110073588.XA CN102691496B (en) | 2011-03-25 | 2011-03-25 | Logging system method of controlling security |
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| Publication Number | Publication Date |
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| CN102691496A CN102691496A (en) | 2012-09-26 |
| CN102691496B true CN102691496B (en) | 2016-08-24 |
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| CN201110073588.XA Expired - Fee Related CN102691496B (en) | 2011-03-25 | 2011-03-25 | Logging system method of controlling security |
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| EA034115B1 (en) * | 2018-11-28 | 2019-12-27 | Общество с ограниченной ответственностью "МИКС" | Device for multi-sensor electromagnetic defectoscopy of well casing strings and control of its technical state |
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| CN1273705A (en) * | 1998-08-07 | 2000-11-15 | 松下电器产业株式会社 | Uninterruptible power system |
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| CN101719654A (en) * | 2010-01-07 | 2010-06-02 | 佘培嘉 | Novel design of power failure warning of power system |
| CN101741112A (en) * | 2008-11-24 | 2010-06-16 | 薛剑鸿 | Accumulator discharging device |
| CN201539245U (en) * | 2009-10-14 | 2010-08-04 | 西安威尔罗根能源科技有限公司 | Logging ground system power supply and data bus anti-interference circuit |
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2011
- 2011-03-25 CN CN201110073588.XA patent/CN102691496B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1273705A (en) * | 1998-08-07 | 2000-11-15 | 松下电器产业株式会社 | Uninterruptible power system |
| CN2694588Y (en) * | 2004-03-26 | 2005-04-20 | 佛山市创电电源设备有限公司 | Uninterruption power source two-way input automatic switching equipment |
| CN101563828A (en) * | 2006-12-19 | 2009-10-21 | 松下电器产业株式会社 | Power supply system, power supply control method of power supply system, power supply control program of power supply system, and computer readable recording medium having power supply control program |
| CN101470507A (en) * | 2007-12-28 | 2009-07-01 | 鸿富锦精密工业（深圳）有限公司 | Power supply control circuit |
| CN101741112A (en) * | 2008-11-24 | 2010-06-16 | 薛剑鸿 | Accumulator discharging device |
| CN201539245U (en) * | 2009-10-14 | 2010-08-04 | 西安威尔罗根能源科技有限公司 | Logging ground system power supply and data bus anti-interference circuit |
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