CN101140330A - Synthetic numerical control ground well logging system capable of dynamic configuring hardware circuit - Google Patents
Synthetic numerical control ground well logging system capable of dynamic configuring hardware circuit Download PDFInfo
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- CN101140330A CN101140330A CNA2007101185791A CN200710118579A CN101140330A CN 101140330 A CN101140330 A CN 101140330A CN A2007101185791 A CNA2007101185791 A CN A2007101185791A CN 200710118579 A CN200710118579 A CN 200710118579A CN 101140330 A CN101140330 A CN 101140330A
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Abstract
An integrated numerical control ground well logging system capable of dynamically configuring hardware circuits comprises a computer system (an upper computer), a signal preprocessing unit box (a lower computer), a standard power source box, a master power source control UPS box, a dual trace oscilloscope box, a printer box, NC well logging software and NC perforation software. Wherein, the upper computer communicates with the lower computer through a USB. A large-scale high-speed onsite programmable logic module based on SRAM (SRAM-FPGA) is provided as a core of the lower computer. During well logging, the upper computer utilizes system software and dispatches well logging programs and control commands through a USB interface. In addition, the lower computer dynamically configures corresponding small-sized system hardware circuits for corresponding well logging functions to complete corresponding well logging tasks. Dynamic small-sized system hardware circuit configuration fulfills dynamic combination of well logging functions, eliminates excessive resources occupied by the lower computer and huge system and avoids many unexpected hidden troubles due to huge system size.
Description
Technical field
The present invention relates to a kind of oil field synthetic numerical control ground logging system, especially dynamically the ground logging system of configuring hardware circuit.
Background technology
Existing ground logging system, by employing standard logic device form the well logging circuit, its logic function is fixed, circuit design does not have dirigibility; The employing PROM that has, though able to programme, because adopted fuse technology, program can only write-once, can not wipe or rewrite; The employing that has is based on the CPLD device of EEPROM and FLASH, it is divided into programming and in-system programming on programmable device, though the program that realized repeatedly writes, but write fashionable again, programming needs after the outage circuit board to be taken out from system on programmable device, uses special programmable device to programme, though in-system programming can online programming, but need the JATG interface, and need special downloaded software to cooperate.The restriction of each side makes it use underaction.
Along with the continuous development of logging technology, we need in the future can not determine the function of expansion in advance fully, in order to improve competitiveness of product, and can only be comprehensive as much as possible.Constantly adding up of well logging function must cause the problem that system is huge, and often there are many unpredictable hidden danger again in huge system.So logging system requires complete function on the one hand, require system simple on the other hand, this is a pair of implacable contradiction.The enhancing of function and the increase of complexity generally are not again linear relationships, one times of increased functionality, and complexity often increases several times.Many existing ground logging systems, in order to improve the comprehensive logging ability of system, the well logging function that constantly adds up causes the huge problem of system more and more outstanding.
Summary of the invention
In order to overcome the not enough and huge shortcoming of system of existing ground logging system dirigibility, the invention provides a kind of dynamically ground logging system of configuring hardware circuit, this ground logging system host computer utilizes the software of system disposition, by passing logging program and control command under the USB interface, do not need special downloaded software and the interface of configuration in addition, the user can use same software to carry out program and download and logging operation, the Configuration Online hardware circuit, do not need the special programmable device of configuration in addition, convenient, flexible; Logging program and control command that slave computer passes down according to host computer, the mini system hardware circuit of the corresponding well logging function of dynamic-configuration, realized the flexible combination of well logging function, solved the slave computer resource occupation too much, the too huge problem of system, avoided many unpredictable hidden danger that cause because of system is huge.
The technical solution adopted for the present invention to solve the technical problems is: total system comprises computer system (host computer), Signal Pretreatment Cell (slave computer), reference power supply case, general supply control UPS case, dual trace oscilloscope case, printer box, numerical control well logging software, numerically controlled perforating software.Host computer and slave computer are by the USB communication.The core of slave computer adopts the extensive high speed field programmable logic module (SRAM-FPGA) based on SRAM.During well logging, host computer utilizes system software, by passing logging program and control command under the USB interface, the program that slave computer passes down according to host computer and the mini system hardware circuit of the corresponding well logging function of control command dynamic-configuration are finished corresponding logging tasks.
The invention has the beneficial effects as follows that host computer utilizes the software of system disposition, by passing logging program and control command under the USB interface, do not need special downloaded software and the interface of configuration in addition, the Configuration Online hardware circuit does not need the special programmable device of configuration in addition, and is convenient, flexible.Slave computer is according to the program that passes under the host computer and the mini system hardware circuit of the corresponding well logging function of control command dynamic-configuration, realized the flexible combination of well logging function, solved the slave computer resource occupation too much, the too huge problem of system, avoided many unpredictable hidden danger that cause because of system is huge.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the synoptic diagram that the present invention disposes fpga chip.
Fig. 2 is the synoptic diagram that the program control ground connection of signalling channel is provided with.
Fig. 3 is the synoptic diagram of first embodiment of the invention.
Fig. 4 is the synoptic diagram of second embodiment of the invention.
Embodiment
As shown in Figure 1, use EZUSB single-chip microcomputer and upper machine communication among the present invention, a boot is arranged in the single-chip microcomputer, host computer is by being similar to the interface of JATG, the working routine of single-chip microcomputer is downloaded in the single-chip microcomputer, single-chip microcomputer is carried out the working routine of single-chip microcomputer under the control of boot, carry out secondary after being finished and reset.Dispose FPGA circuitry needed file in single-chip microcomputer by the host computer dynamic download then, Single-chip Controlling FPGA dynamic-configuration hardware circuit.To the process of single-chip microcomputer, can dispose the FPGA hardware circuit from host computer download configuration FPGA circuitry needed file simultaneously; After can waiting until that also the circuit file download finishes, dispose the FPGA hardware circuit again.
As shown in Figure 2, the signals of underlying computer passage has program control ground connection to be provided with, when not having useful signal to flow through passage, programmed switch closes, and by resistance, electric capacity or inductance are with passage ground connection, certain time before useful signal arrives, programmed switch disconnects, and recovers the normal channel signal processing function, and the setting of this function can effectively prevent to accumulate on the cable electromagnetic oscillation interference that electric field may cause.
Shown in Figure 3, be the synoptic diagram of first embodiment of the invention, total system adopts the dual-computer redundancy configuration, and two cover computing machines can carry out data acquisition simultaneously, also can gather by a cover, another set of explanation, dual system also can backup each other, the system reliability height.It comprises:
(1) dual signal pretreatment unit case
Each pretreatment unit case comprises a standard signal and gathers slot, two AC/DC (Switching Power Supply of ± 12V ± 5V), the degree of depth tension display unit that one cover works alone, (10～50Hz is adjustable for the electrode frequency for an electrode supply modulator, 0～300Vp-p is adjustable for electric current 0～300mA voltage, the belt current curve), a hole diameter constant-current supply (5mA/2mA12V); A capacitance matching disc.
(2) duplex computer system
All join P4CPU/2.8G, 512MB internal memory, 80G hard disk, DVD recording optical driver (R/W), front and back USB interface, 15 cun LCD of opening door; Duplex computer is put LAN (Local Area Network) mutually, printer is shared and is provided with.
(3) two reference power supply casees
(4) 820 printer box
(5) dual trace oscilloscope casees
(6) general supply control UPS casees, the online UPS of 2000VA pauses on configuration machine cabinet type mountain.
(7) system software: UNILOG2000 numerical control well logging software one cover
SK2004 numerically controlled perforating software one cover
Individual system adopts master-slave mode observing and controlling structure, and computer system (host computer) is passed through USB (universal serial bus) (USB) communication with Signal Pretreatment Cell (slave computer).Host computer utilizes USB interface, logging program and control command that following biography slave computer is carried out, and gather, write down, show the log data that slave computer is uploaded.In each image data bag that slave computer is uploaded depth mark and time tag are arranged all, give the accurately foundation of location of packet during as software processes, the delay of packet can not influence the software processes result.The core of slave computer adopts the extensive high speed field programmable logic module (SRAM-FPGA) based on SRAM, has highly versatile.For different well logging projects, by host computer dynamic download different logging program and control command, slave computer is finished logging tasks according to the program that passes under the host computer and the mini system hardware circuit of the corresponding well logging function of control command dynamic-configuration.The dynamic-configuration of mini system hardware circuit has realized the flexible combination of well logging function, solved the slave computer resource occupation too much, the too huge problem of system, avoided many unpredictable hidden danger that cause because of system is huge.
Standard signal in the described Signal Pretreatment Cell is gathered slot, and as the core of digital control system, it is made up of analog channel plate, pulse passage plate, FPGA plate, signal simulation plate, negative several sections.Respectively several sections is described below.
On the analog board He on the pulse plate programmable amplifying circuit is arranged all, it is made up of digital regulation resistance and operational amplifier, and host computer is controlled digital regulation resistance by FPGA.
Analog board (anlog1.pcb) has 8 road simulating signal amplification filtering passages, and AD1 (SP)/AD6 (CCL)/AD7 (TEN)/AD8 (MMD) is a designated lane, and its parametric filtering has certain specific aim; AD2/AD3/AD4/AD5 is a general channels, can do the acquisition channel of 4m, 2.5m, 0.5m electrode and signals such as electrode current, hole diameter in conventional electrodes.8 tunnel 64 stages of digital pot X9241 control is adopted in the simulating signal gain, gain step units 1/3,21 times of maximum programme-controlled gains.In the well logging, 16 special-purpose high-speed a/d chips are arranged on the FPGA plate, it adopts the formula of cruising uninterruptedly to gather to 8 road simulating signals.
Pulse plate (puls1.pcb) has 4 autolytes towards signal amplification filtering passage, 4 positive 4 negative totally 8 autolytes are towards logic level passage relatively, and these 4 basic pulse passages all can be finished separating of normal pulsed signal, sound wave class signal, various coded signals and be in harmonious proportion the high-speed a/d collection.The gain control of 4 pulse passages is the same with analog board, and 8 program control settings of comparative level D/A all reach 4096 grades, are finished by AD7568; 8 comparative level results directly enter FPGA, so FPGA can finish the demodulation of 4 road coded signals simultaneously in theory; In the well logging process, 16 high-speed a/d conversions are done in a road in the program control selection 4 tunnel.
The FPGA plate has the fpga chip of a core, the high-speed a/d of two symmetries (AD7723) passage, and USB medium chip (AN2131) etc.This plate is as the core of slave computer, employing is based on the FPGA programming of SRAM, programming information reads in from external memory storage SRAM, earlier in this storer, search and read required circuit during well logging, if do not store required circuit in the storer, circuit is downloaded in the storer by USB by host computer again, this storer the reading speed that has improved circuit in the well logging process is set.The setting of two-way symmetry AD makes the switching between data acquisition high speed signal and the low speed signal more flexible.In addition, also have the combination of a slice generic storage chip and fpga chip to realize the function of push-up storage (FIFO) on this plate, image data is done caching process, image data can not lost yet when this was provided with and guarantees that host computer has slight obstruction.
Signal simulation plate (em3.pcb) can be finished positive negative pulse stuffing signal, modulation and the non-modulation acoustic signals of program control emulation depth signal, frequency adjustable, programmable original graceful sign indicating number and the graceful coded signal of differential, make zero with non return to zero AMI coded signal, 3502,3506,3508 simulate signal, gyrostatic simulate signal, and the various applied in any combination between them.Simultaneously, the emulation delivery outlet also is the driving mouth that the down-hole instrument issues logic, transmitting order to lower levels, and by FPGA control, it is from two approach, be OTL bipolar driving and transformer differential driving, the transmission of compatible with single core electric cable capacitance coupling two-way, the transmission of polycore cable differential transformers coupling two-way.
Special oscillograph output interface is arranged on the base plate, some signal of interests can be delivered on the oscillograph and be observed.In the numerical control well logging, the two track signal input parts of oscillograph, by the program-controlled electronic switch, can all kinds of simulate signals of real-time monitored, the entry signal of each passage of observation pulse, amplifying signal, 8 channel ratios than level, 8 channel ratios than the demodulation synchronization signal of consequential signal, each channel coding signal and FPGA inside to the acquisition logic signal of high-speed a/d slice, thin piece etc.And oscillograph can selectively add brightness, synchronous to signal.The oscillograph electronic switch, MAX333A forms by multi-disc, and main switch is responsible for the signal of conversion from emulation board, pulse plate, FPGA plate on analog circuit board, and inferior one-level switch is at pulse plate etc.
The special online 1KWUPS power supply in described general supply control UPS case configuration machine posture mountain, on the well logging scene, when the unexpected power down of system, UPS can guarantee that on-the-spot instrument data and well logging information can not lose because of power down suddenly, and handled easily person preserves the related logging file.
Described oscillograph adopts GW GOS-6112 100MHz dual trace oscilloscope, and oscillograph " CH1 " connects slave computer channel oscilloscope 1, is used for the signal (comprising sound wave and graceful sign indicating number) that the watchdog pulse plate amplifies output; Oscillograph " CH2 " connects slave computer channel oscilloscope 2, is used for comparative result or other FPGA internal signal of watchdog pulse plate passage, and wherein the address of pulse passage and FPGA internal signal are by the program control decision of software; Oscillograph Z axle input termination slave computer oscillograph adds brightness; Oscillograph external trigger input termination slave computer oscillograph external trigger.
Described system software adopts VC/MFC to write based on Windows2000/XP multiple task operating system platform; Friendly interface, easy and simple to handle.Device driver is write standard development by Microsoft's DDK/WDM driver, and Microsoft 98 and above operating system are suitable for entirely, do not have compatibility issue.Program structure adopts OO hierarchy, and modular design has good instrument and articulates expansion and function expansion.Owing to adopt the multilayer diagnostic system, can monitor each link state of well logging, can locate by software when breaking down in system, the System Fault Tolerance performance is good.Can export the data and the chart of various forms by user's application request combination in any, can store playback of data, and have the real time print function.The lower computer hardware function is downloaded by the usb bus program by host computer, and the hardware parameter setting is finished by the upper computer software window operation.Software has online help function.
As shown in Figure 4, be the synoptic diagram of second embodiment of the invention, system need be used with notebook computer as a kind of portable logging system.Total system adopts master-slave mode observing and controlling structure, and notebook computer (host computer) passes through USB (universal serial bus) (USB) communication with portable logging system (slave computer).Host computer utilizes USB interface, program and steering order that following biography slave computer is carried out, and gather, write down, show the log data that slave computer is uploaded.For different well logging projects, by host computer dynamic download different logging program and steering order, slave computer is finished logging tasks according to the program that passes under the host computer and the mini system hardware circuit of the corresponding well logging function of steering order dynamic-configuration.The dynamic-configuration of mini system hardware circuit has realized the flexible combination of well logging function, solved the slave computer resource occupation too much, the too huge problem of system, avoided the huge unpredictable hidden danger that causes of many systems.
Claims (13)
1. synthetic numerical control ground logging system, comprise computer system (host computer), Signal Pretreatment Cell (slave computer), subsurface equipment cable interface, ground signal IO interface and Control Software, being used for that the downhole logging instrument device is caught the log data of coming by cable gathers, writes down, shows, it is characterized in that: host computer can dynamically pass logging program down, slave computer can be according to this logging program, the hardware circuit of the corresponding well logging function of dynamic-configuration.
2. synthetic numerical control ground logging system according to claim 1 is characterized in that: host computer can dynamically pass order down and give slave computer.
3. synthetic numerical control ground logging system according to claim 1 is characterized in that: host computer and slave computer are by the USB communication.
4. synthetic numerical control ground logging system according to claim 2 is characterized in that: host computer and slave computer are by the USB communication.
5. synthetic numerical control ground logging system according to claim 1, it is characterized in that: in each image data bag that slave computer is uploaded depth mark and time tag are arranged all, give the accurately foundation of location of packet during as software processes, the delay of packet can not influence the software processes result.
6. synthetic numerical control ground logging system according to claim 1, it is characterized in that: there is the setting with the program control ground connection of signalling channel at the cable inlet place of slave computer, when not having useful signal to flow through passage, programmed switch closes at the cable inlet place, pass through resistance, electric capacity or inductance are with passage ground connection, certain time before useful signal arrives, programmed switch disconnects, recover the normal channel signal processing function, the setting of this function can effectively be eliminated on the cable for the previous period stored charge to the influence of current demand signal transmission network.
7. synthetic numerical control ground logging system according to claim 1, it is characterized in that: the core of slave computer adopts the FPGA programming based on SRAM, programming information reads in from external memory storage SRAM, earlier in this storer, search and read required circuit during well logging, if do not store required circuit in the storer, circuit is downloaded in the storer by USB by host computer again, this storer the reading speed that has improved circuit in the well logging process is set.
8. synthetic numerical control ground logging system according to claim 1, it is characterized in that: have the combination of a slice generic storage chip and fpga chip to realize the function of push-up storage (FIFO) on the FPGA plate of slave computer, image data is done caching process, and image data can not lost yet when this was provided with and guarantees that host computer has slight obstruction.
9. synthetic numerical control ground logging system according to claim 1 is characterized in that: be provided with the AD of two-way symmetry on the FPGA plate of slave computer, make the switching between data acquisition high speed signal and the low speed signal more flexible.
10. synthetic numerical control ground logging system according to claim 1 is characterized in that: in the passage of slave computer programmable amplifying circuit is arranged, it is made up of digital regulation resistance and operational amplifier, and host computer is controlled digital regulation resistance by FPGA.
11. synthetic numerical control ground logging system according to claim 1, it is characterized in that: special oscillograph output interface is arranged on the base plate of slave computer, can be with some signal of interests, as the synchronizing signal in entry signal, channel signal, comparative level, the simulate signal, decoding positive level, decoding negative level, 1 millisecond of clock, also have some other signal that need observe, deliver on the oscillograph and observe.
12. synthetic numerical control ground logging system according to claim 1 it is characterized in that: further comprising reference power supply case, general supply control UPS case, dual trace oscilloscope case, printer box.
13. synthetic numerical control ground logging system according to claim 1, it is characterized in that: system provides multiple program control simulate signal, as: the positive negative pulse stuffing simulate signal of degree of depth simulate signal, frequency adjustable, modulation and non-modulation sound wave simulate signal, graceful yard simulate signal of programmable original graceful sign indicating number and differential, make zero with non return to zero AMI sign indicating number simulate signal, 3502,3506,3508 simulate signal, gyrostatic simulate signal, and the various applied in any combination between them.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101881959A (en) * | 2010-06-10 | 2010-11-10 | 北京环鼎科技有限责任公司 | Network transmission imaging well logging ground-based system |
| CN102042001A (en) * | 2009-10-12 | 2011-05-04 | 西安威尔罗根能源科技有限公司 | Digital acoustic wave multilevel underground instrument capable of realizing real-time automatic gain control |
| CN102536203A (en) * | 2011-12-13 | 2012-07-04 | 浙江工业大学 | Handheld type condition monitoring and fault diagnosing system orienting to oil field injection-production equipment |
| CN104657178A (en) * | 2015-02-26 | 2015-05-27 | 江苏影速光电技术有限公司 | Method for configuring FPGA (Field Programmable Gate Array) by use of interface technology |
| CN108897241A (en) * | 2018-06-25 | 2018-11-27 | 重庆华油实业有限公司 | A kind of logging winch parameter acquisition Transmission system |
| CN113190289A (en) * | 2021-05-18 | 2021-07-30 | 厦门紫光展锐科技有限公司 | FPGA version downloading method, device and equipment |
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| US5757191A (en) * | 1994-12-09 | 1998-05-26 | Halliburton Energy Services, Inc. | Virtual induction sonde for steering transmitted and received signals |
| US6649906B2 (en) * | 2000-09-29 | 2003-11-18 | Schlumberger Technology Corporation | Method and apparatus for safely operating radiation generators in while-drilling and while-tripping applications |
| CN2734999Y (en) * | 2004-10-20 | 2005-10-19 | 上海神开科技工程有限公司 | Drilling parameter apparatus set by touch screen |
| CN1719000A (en) * | 2005-07-07 | 2006-01-11 | 中国石化集团胜利石油管理局测井公司 | Lithology density well logging instrument |
| CN1900482A (en) * | 2006-07-12 | 2007-01-24 | 中国石化集团胜利石油管理局测井公司 | Automatic spectrum stabilizing method for natural gamma energy spectrum logging instrument |
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2007
- 2007-07-10 CN CN2007101185791A patent/CN101140330B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042001A (en) * | 2009-10-12 | 2011-05-04 | 西安威尔罗根能源科技有限公司 | Digital acoustic wave multilevel underground instrument capable of realizing real-time automatic gain control |
| CN101881959A (en) * | 2010-06-10 | 2010-11-10 | 北京环鼎科技有限责任公司 | Network transmission imaging well logging ground-based system |
| CN102536203A (en) * | 2011-12-13 | 2012-07-04 | 浙江工业大学 | Handheld type condition monitoring and fault diagnosing system orienting to oil field injection-production equipment |
| CN104657178A (en) * | 2015-02-26 | 2015-05-27 | 江苏影速光电技术有限公司 | Method for configuring FPGA (Field Programmable Gate Array) by use of interface technology |
| CN108897241A (en) * | 2018-06-25 | 2018-11-27 | 重庆华油实业有限公司 | A kind of logging winch parameter acquisition Transmission system |
| CN113190289A (en) * | 2021-05-18 | 2021-07-30 | 厦门紫光展锐科技有限公司 | FPGA version downloading method, device and equipment |
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