CN2775684Y - Sea earth quake exploration data collecting and recording system - Google Patents

Abstract

The utility model discloses a data collecting and recording system for the exploration of sea earthquakes. The utility model comprises a main control working station, a plotter, a tape drive, an externally hung hard disk, a quality control and recording working station and a CPCI embedded type data collection processor, wherein the main control working station is used for the execution of various function commands by a control system, the plotter is used for plotting data schematic diagrams, the tape drive is used for recording data, the externally hung hard disk is used for recording data, the quality control and recording working station is used for controlling the plotter, the tape drive and the hard disk to plot and record data, and the CPCI embedded type data collection processor transmits earthquake data with decimation in time to the main control working station through an ethernet and receives the control commands and the configuration parameters of the main control working station. State data in the earthquake data is stripped, and time sequence data is converted into channel sequence data. The channel sequence data and navigation data are transferred to the quality control and recording work station through the ethernet. The utility model has the advantages of advanced technology, large channel capacity, simple and reasonable structure, low cost, etc. The utility model is suitable for the two-dimension, three-dimension and high resolution exploration of sea earthquakes.

Description

Ocean seism prospecting data collecting recording system

Technical field

The utility model relates to a kind of data acquisition logging system, relates in particular to a kind of ocean seism prospecting data collecting recording system.

Background technology

Earthquake data acquisition and register system are the equipment of most critical in the seismic prospecting, seismic exploration requires distortionless receiving record seismic event, and earthquake data acquisition and register system must have great dynamic range, low noise, abilities such as low drift, broadband and compacting interference wave; For estimating the quality of seismic data, instrument can be realized the supervision playback function to record material, so that in time adjust method of work and instrument parameter in the open air.

Yet, earthquake data acquisition and register system that China uses in the exploration of marine oil gas field, all be equipment from external import, as: the MSX system of American I NPUT/OUTPUT company, the instrument and equipments such as SYNTRAK 960 systems of France SERCEL company, this quasi-instrument all is based on traditional industrial computer VME bus structure, and volume is bigger, technology is backward relatively, but also because technical monopoly causes valuable product.

Therefore, a kind of novel system for acquiring seismic data can be proposed, can appliance computer the newest fruits of control field, electronic technology field, optimize earthquake acquisition and recording system, raising increases the collection capacity of geological data to collection, processing and the registering capacity of geological data, improves the reliability and stability of system, for meticulous development plan of oil field later stage and ocean reservoir exploration provide accurate data, become problem demanding prompt solution in the industry.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of ocean seism prospecting data collecting recording system, by system optimization, raising increases the collection capacity of geological data to collection, processing and the registering capacity of geological data, improves the reliability and stability of system.

The utility model provides a kind of ocean seism prospecting data collecting recording system, it is characterized in that comprising:

Main control workstation is used for control system and carries out various command functions;

Plotting apparatus is used for the drawing data synoptic diagram;

Magnetic tape station is used for record data;

Plug-in hard disk is used for record data;

Quality control and recording station are used to control described plotting apparatus, magnetic tape station and hard disk and draw record data;

CPCI embedded data acquisition processor, send acquisition and configuration parameter by the down order interface to underwater cable, receive upstream data by the upstream data interface, by the geological data of Ethernet to described main control workstation transmission process decimation in time, and the control command and the configuration parameter of reception main control workstation, status data in the geological data is peeled off, time series data is converted to order sequenced data, add navigation data, data are sent to described quality control and recording station by Ethernet.。

The utility model compared with prior art has the following advantages: real-time collection, processing and the writing function of having realized 4 tunnel time shift earthquake towed cable data, gather road number many (8,000 roads, every road 2000 road earthquake image data), sampling rate height (1ms), data volume big (26MB/s); Adopt the newest fruits that is applied in computer control field, electronic applications, first highly reliable system platform CPCI built-in industrial controller has been introduced system for acquiring seismic data; Adopt high-speed high capacity FPGA hardware logic to realize complicated control, algorithm, driving, with instead of software, raising speed.Workstation can be selected the two CPU workstations of SUNBlade2000 for use, be first 1GHz, 64 workstation, it has leading calculated performance, high-end 3D visualization function, the utlity model has advanced technology, big, simple and reasonable, the low cost and other advantages of road capacity, be applicable to ocean two dimension, three-dimensional and high-resolution seismic exploration.

Description of drawings

Fig. 1 is the utility model system architecture diagram;

Fig. 2 is the utility model system data transmission synoptic diagram;

Fig. 3 is the utility model DPM data acquisition casing synoptic diagram;

Fig. 4 is the position view of the utility model pci interface plate in the DPM casing;

Fig. 5 is the utility model pci interface plate structure synoptic diagram;

Fig. 6 is the utility model pci interface plate FPGA synoptic diagram;

Fig. 7 is the position view in the utility model VPD plate DPM casing;

Fig. 8 is the utility model VPD plate structure synoptic diagram;

Fig. 9 is the utility model VPD plate data flowchart.

Embodiment

The utility model mainly is made up of a passive backplane CompactPCI (compact Peripheral Component Interconnect standard) bus embedded type computing machine, main control workstation, quality control and recording station VPR (Vision, Plotting and Recording) (being responsible for drawing, graphic presentation, magnetic tape station record), tape unit, a plotting apparatus etc.

Main control workstation provides man machine operation interface, is the control core of system.The operator realizes various commands such as configuration, self check, data storage, demonstration to total system by main control workstation.The duty of the each several part of all right display system on main control workstation, main control workstation adopts dual screen, show in real time that on a display 4 optical cable image data change synoptic diagram (oscillator figure), show human-computer interaction interface on another display.

System is received the geological data of four road optical cables transmission under water by DPM (Data Process Module) data acquisition casing.Insert following functional template in the DPM cabinet: 1 of system management unit, four of data acquisition board FCI, 1 of network interface board VPD interface board (comprising gigabit ethernet interface) plate, one of auxiliary channel data collection plate FCI.System management unit mainly is the I/O system board to be configured hot plug control etc. in order to manage whole C PCI cabinet, to comprise.Four blocks of data collection plate FCI (Fibre Cable Interface) plate is arranged in the DPM cabinet, the geological data that reception transmits by optical fiber from underwater cable, every block of FCI plate receives 1 road cable geological data, status data is wherein peeled off, and the earthquake time series data is converted to order sequenced data, add navigation data at last, write network interface board VPD interface board by cpci bus, by the earthquake oscillator video data of 100Mbps ENET network interface to main control workstation transmission process decimation in time, and the control command and the configuration parameter that receive main control workstation; High capacity RAM in the VPD plate, storage geological data and storage data to be shown.By the 1000Mbps network interface, give VPR workstation on the VPD plate with geological data; Receive the control command and the configuration parameter of main control workstation by 100Mbps ENET network interface, system synchronization control SYNC is responsible for the sequential control of system, the function of synchronous plate SYNC realizes that at database VPD this plate mainly realizes synchronous logic by a FPGA, simultaneously, main control workstation can be provided with by the partial parameters of Ethernet interface to synchronous logic.

Gigabit Ethernet plug-in card and SCSI plug-in card that pci interface is arranged in the VPR workstation, the VPR workstation is by the geological data of gigabit Ethernet reception from the VPD plate of CPCI cabinet, and a data that receive is write tape unit with geological data according to the SEG-D form by SCSI, handle the back through digital filtering, AGC simultaneously and on drawing, draw the field monitor record, on display, show the datagraphic that any cable collects.By the plug-in 8mm magnetic tape station of VPR workstation, can carry out system software backup and one-channel record.The VPR workstation also is responsible for the static playback and the drawing of magnetic tape station.

With reference to Fig. 1, Fig. 2, system mainly is made up of a main control workstation (1), a passive backplane CompactPCI bus embedded type data acquisition process machine DPM (3), quality control and recording station VPR (2) (Vison, Plotting and Recording) (being responsible for drawing, graphic presentation, magnetic tape station record), a plotting apparatus (7), tape unit (8) and plug-in hard disk (9).

Main control workstation (1) provides man machine operation interface, is the control core of system.The operator realizes various commands such as configuration, self check, data storage, demonstration to total system by main control workstation (1) by 100Mbps ENET (11).Go up the duty of the each several part of all right display system at main control workstation (1), main control workstation adopts dual screen, go up 4 optical cable image data variations of demonstration in real time synoptic diagram (oscillator figure) at a display (4), geological data is transmitted to main control workstation (1) by 100Mbps ENET (11) Ethernet by real-time data acquisition machine DPM (3) in real time; Go up the demonstration human-computer interaction interface at another display (5).

The cabinet of real-time data acquisition machine DPM (3) sends acquisition and configuration parameter by down order interface (18) to underwater cable, receive the uplink optical fibers data by upstream data optical fiber interface (17), by the earthquake oscillator video data of 100Mbps ENET (11) Ethernet to main control workstation (1) transmission process decimation in time, and the control command and the configuration parameter that receive main control workstation (1), peel off wherein status data with recording data on the tape, and time series data is converted to order sequenced data, add navigation data at last, by the VPR workstation (2) of 1000Mbps (12) gigabit Ethernet with the data transmission.

VPR workstation (2) uses the gigabit Ethernet plug-in card and the SCSI plug-in card of pci interface.By the geological data of 1000Mbps (12) gigabit Ethernet reception from the VPD plate of DPM (3) cabinet, and a data that receive is write tape unit (8) according to the SEG-D form with data by SCSI.One-channel record is stored on the plug-in hard disk of VPR workstation (2) (9).The VPR workstation also is responsible for the static playback and the drawing of magnetic tape station.Display (6) and plotting apparatus (7) are connected on the VPR workstation, are used for the demonstration and the drawing of quality control.

Main control workstation (1) and VPR workstation (2) are selected the two CPU workstations of SUN Blade2000 for use, Sun Blade 2000 is first 1GHz, 64 workstation, it has leading calculated performance, high-end 3D visualization function, is one of product of cost performance the best on 64 workstation markets.

Peripherals transmits navigation data by 100Mbps ENET (11) to data acquisition process machine DPM (3) as positioning navigating device (40);

With reference to Fig. 3, Fig. 4, it is passive backplane CompactPCI bus (17) embedded computer that data acquisition process machine DPM (3) adopts, CompactPCI is a kind of based on pci bus, on electrical specification, be equal to Desktop PC I bus, but adopted different physical boards shapes, not only having had the high-performance of pci bus but also had the high reliability of Eurocard structure, is the industrial computing machine that meets international standard, is adapted at using on higher industry of reliability requirement and the military equipment.What we selected for use is the CPX2408 of Motorola series, and CPX2408 is the CompactPCI computer platform of 8 grooves, inserts feature board in the CPCI cabinet, comprises four optical cable data FCI interface boards (16), takies four groove positions; Auxiliary channels optical cable data FCI plates (15) take a groove position; Network VPD interface board (14) takies a groove position; A CPCI casing controller CPU plate (13) takies a groove position.

Optical cable data FCI interface board (16) receives the geological data of underwater cable by Optical Fiber Transmission according to the 6U standard design by upstream data optical fiber interface (17).FCI plate major function is: receive the uplink optical fibers data, light signal is converted to electric signal, status data is wherein peeled off, data are converted to order sequenced data from time series data, add navigation data at last, the data transmission that will write down by cpci bus (19) arrives VPD interface board (14); Also designing on the optical cable data FCI interface board (16) has down order electrical interface (18), to respective cable transmission command and configuration parameter.

Auxiliary channels optical cable data FCI plates (15) are identical with optical cable data FCI interface board (16) design function, just gather auxiliary channel data.

Network VPD interface board (14) is stored 4 road optical fiber geological datas (be converted to order sequenced data and added navigation data) according to the 6U standard design, for magnetic tape station record and graphic presentation.In network VPD interface board (14), high capacity RAM is arranged, be used for storing geological data and storage data to be shown.

DPM casing controller CPU plate (13) is the Mcp750 of motorola inc.DPM casing controller CPU plate (13) mainly is the I/O system board to be configured hot plug control etc. in order to manage whole C PCI cabinet, to comprise.Mcp750 series CPU board adopts the PowerPlus structure, the low power dissipation design of optimization, and high performance powerpc750 processes device, and is powerful, has very high reliability.

With reference to figure 2, Fig. 4, the cabinet of real-time data acquisition machine DPM (3) has four optical cable data FCI interface boards (16), takies four groove positions.Every optical cable data FCI interface board (16) receives one road underwater optical cable geological data.Optical cable data FCI interface board (16) is according to the 6U standard design, and specification is 160mm * 233.35mm.

Optical cable data FCI interface board (16) sends acquisition and configuration parameter by down order interface (18) to underwater cable, receive the uplink optical fibers data by upstream data optical fiber interface (17), by the earthquake oscillator video data of 100Mbps ENET (11) Ethernet to main control workstation (1) transmission process decimation in time, and the control command and the configuration parameter that receive main control workstation (1), peel off wherein status data with recording data on the tape, and time series data is converted to order sequenced data, add navigation data at last, the data transmission that will write down by cpci bus (19) arrives VPD interface board (14).

Auxiliary channels optical cable data FCI plates (15) are identical with optical cable data FCI interface board (16) design function, just gather auxiliary channel data.Optical cable data FCI interface board (16) and auxiliary channels optical cable data FCI plates (15) exchange and use.

With reference to figure 5, Fig. 6, optical cable data FCI interface board (16) receives one road optical cable data by upstream data fiber cable joint (17), comprises the seismic channel data that hydrophone sends and the status data of circuit under water; Fiber cable joint (17) adopts HFBR-2119T, its function is that light signal is converted to electric signal, the earthquake and the status data that convert electric signal to are transferred to high-speed serial data communications reception chip (20), and that chip adopts is CY7B933, and serial data is converted into parallel data.Parallel data is transferred to hardware logic control module FPGA (27), status data is transferred to 100Mbps ENET (11) with the geological data that is extracted by local pci bus (25) in hardware logic control module FPGA (27), be transferred to main control workstation (1) through 100Mbps ENET (11) again, the controller of local pci bus (25) is an AMCC S5933 bus controller (23), and hundred Broadcoms adopt intel 82559 network interface cards (24); Cooperate with 2X256M SDRAM (30) at hardware logic control module FPGA (27), geological data converts the preface structure to by sequential organization, add navigation data, be transferred on the cpci bus (19) through local bus (28), pass through cpci bus (19) again and be transferred to VPD plate (14), PCI9656 bus accelerator (29) connects accelerator as the bus between local bus (28) and the cpci bus (19).

System command, configuration parameter and navigation data are transferred to intel82559 network interface card (24) by 100Mbps ENET (11), be transferred to hardware logic control module FPGA (27) through local pci bus (25), in hardware logic control module FPGA (27), system command directly is passed to parallel-to-serial converter (21), become serial data, again through electrical to optical converter (18), become light signal, command transfer is arrived corresponding cable, parallel-to-serial converter (21) adopts CY7B923, and electrical to optical converter adopts HFBR-1119T; Configuration parameter and navigation data will be transferred to VPD plate (14) together with the geological data of layout Cheng Daoxu structure.

CPU mini system (22) adopts Embedded System Structure, and the function CPU mini systems (22) such as interruption alarm that the real-time control of realization optical cable data FCI interface boards (16), the data communication with main control workstation (1), control command parsing, tension force detect adopt MPC8240.CPU mini system (22) can pass through serial ports (31) or 100-M network Ethernet (11) and extraneous communication, carries out detail programming work.

With reference to figure 7, in data processing casing DPM (3), network VPD plate (14) receives the data of four road optical cable data FCI interface boards (16) and auxiliary channels optical cable data FCI interface boards (15) transmission by cpci bus (19); In network VPD plate (14), high capacity RAM is arranged, be used for storing geological data and storage data to be shown; VPD plate (14) to VPR workstation (2) transmission geological data, receives the control command and the configuration parameter of main control workstation by 1000Mbps Ethernet (12) by 100 m ethernet (11).

With reference to figure 8, Fig. 9, the cabinet of real-time data acquisition machine DPM (3) has a network VPD plate, takies a groove position.VPD plate (14) is according to the 6U standard design, and specification is 160mm * 233.35mm.

Network VPD plate (14) is by the data of cpci bus (19) reception from fiber data FCI interface board (16) and auxiliary channel data FCI interface board (15) transmission, by pci bus interface module (37), realize the data transmission of data from cpci bus (19) to network VPD plate (14), under the cooperation of hardware logic control module FPGA module (38) and high capacity RAM (39), data-switching becomes based on optical fiber road, every road order sequenced data structure, the data structure order of four road fiber datas series connection, hardware logic control module FPGA module (38) realizes the write control of data from bus interface module (37) to high capacity RAM (39), data reading from high capacity RAM (39) to CPU mini system (34) controlled, PCI controls nuclear, DRAM controls nuclear, high capacity RAM management, the RAM module realizes the mass data buffer memory.Data after the ordering are transferred to gigabit Ethernet PMC buckle (32) through 5933 controllers (36).Gigabit Ethernet PMC buckle (32) is realized the data transmission of network VPD plate (14) and quality control and recording station VPR workstation (2).

CPU mini system (34) adopts Embedded System Structure, realizes the data communication of network VPD plate (14) and main control workstation (1) and quality control and recording station VPR workstation (2).CPU mini system (34) adopts Motorola8240, and embedded system can be got in touch with the external world from 100 m ethernet (11) or by serial ports (35) by Intel82559 network interface card (33), carries out the detail programming of CPU mini system.

The achievable technical indicator of present embodiment system is:

1, maximum receiving ability

Connect 4 cables (can expand to 16 cables)

Every cable 2000 Dao @1ms (4000 Dao @2ms)

2, the low frequency filtering of cutting of numeral:

3，6，9，12Hz

Slope: 18dB/oct

3, auxiliary channels

32 roads

4, sampling rate

Support 0.5ms, 1ms2ms, 4ms sampling

5, output format

SEG-D?8048，8058

6, double recording

LTO3581

Claims (10)

1, a kind of ocean seism prospecting data collecting recording system is characterized in that comprising:

The exectorial main control workstation of control system, the plotting apparatus of drawing data synoptic diagram, the magnetic tape station of record data and plug-in hard disk, control described plotting apparatus, magnetic tape station and hard disk and draw the quality control and the recording station of record data, and the compact Peripheral Component Interconnect standard embedded data acquisition processor of image data

Wherein, described data acquisition process machine comprises upstream data interface and down order interface, and links to each other with underwater cable; Described data acquisition process machine also links to each other with quality control and recording station with described main control workstation; Described quality control and recording station link to each other with plug-in hard disk with described plotting apparatus, magnetic tape station.

2, the system as claimed in claim 1 is characterized in that also comprising positioning navigating device, links to each other with described data gather computer by Ethernet, to data acquisition process machine transmission navigation data.

3, the system as claimed in claim 1 is characterized in that described main control workstation has dual screen, and one is used for showing in real time that image data changes synoptic diagram, and another is used to show human-computer interaction interface.

4, the system as claimed in claim 1 is characterized in that described embedded data acquisition processor adopts passive backplane compact Peripheral Component Interconnect STD bus.

5, the system as claimed in claim 1 is characterized in that described embedded data acquisition processor comprises:

Manage the system management unit of described processor, the network interface board of storage geological data and data to be displayed is gathered the auxiliary channel data collection plate of auxiliary channel data, and the data acquisition board of image data, comprise upstream data interface and down order interface, link to each other with underwater cable.

6, system as claimed in claim 5 is characterized in that described data acquisition board has 4, and every interface board receives one road underwater cable geological data.

7, system as claimed in claim 5 is characterized in that described network interface board comprises:

Realize the Ethernet buckle of described network interface board and quality control and recording station data transmission;

Realize embedded system and the extraneous network interface card of getting in touch;

Realize the CPU mini system of network interface board and main control workstation and quality control and recording station data communication;

The serial ports controller of the serial input and output of control data;

With 5933 controllers of the data transmission after the ordering to described Ethernet buckle;

Realize the Peripheral Component Interconnect Standard bus interface module of data from compact Peripheral Component Interconnect STD bus to the data transmission of network interface board;

The high capacity RAM of storage data; And

Hardware logic control module FPGA module.

8, system as claimed in claim 5 is characterized in that described data acquisition board comprises:

Light signal is converted to the upstream data fiber cable joint of electric signal;

High-speed serial data communications reception chip links to each other with described upstream data fiber cable joint;

With electrical signal conversion is the electrical to optical converter of light signal;

System command is converted to the parallel-to-serial converter of serial data, links to each other with described photoelectric commutator;

Compact Peripheral Component Interconnect STD bus;

Serial ports;

The network interface card of transmission data;

Realize the CPU mini system of data communication, link to each other with described serial ports, bus controller, network interface card;

The bus controller of local Peripheral Component Interconnect STD bus;

SDRAM；

Local bus;

Hardware logic control module FPGA links to each other with described high-speed serial data communications reception chip, parallel-to-serial converter, CPU mini system, bus controller, local bus, SDRAM;

Local Peripheral Component Interconnect STD bus;

The bus accelerator links to each other with described local bus, compact Peripheral Component Interconnect STD bus.

9, the system as claimed in claim 1 is characterized in that described quality control and recording station have the gigabit Ethernet plug-in card and the SCSI plug-in card of pci bus.

10, the system as claimed in claim 1 is characterized in that storing one-channel record on the described plug-in hard disk.

Images