CN101509370A - Digital casing joint magnetic positioning logging tool - Google Patents
Digital casing joint magnetic positioning logging tool Download PDFInfo
- Publication number
- CN101509370A CN101509370A CNA2009100808510A CN200910080851A CN101509370A CN 101509370 A CN101509370 A CN 101509370A CN A2009100808510 A CNA2009100808510 A CN A2009100808510A CN 200910080851 A CN200910080851 A CN 200910080851A CN 101509370 A CN101509370 A CN 101509370A
- Authority
- CN
- China
- Prior art keywords
- component
- module
- signal processing
- probe
- casing joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to a logging instrument for well boring exploration, comprising a front probe component and a signal processing unit positioned behind the probe component and connected with the probe component; wherein, the probe component is composed of a group of coil winding wound on a soft iron core and two permanent high-temperature resistant magnet steels; the two permanent high-temperature resistant magnet steels are fixed at both ends of the coil winding in the form of homopolarity; the signal processing unit is composed of an acquisition component, a communication component and a power supply source; wherein, the probe component is connected with an input end of the acquisition component; the output end of the acquisition component is connected with the communication component; the output end of the power supply source is respectively connected with the probe component, the acquisition component and the communication component. The logging instrument has reasonable structure design; the digital signal transmission mode can substantially improve the anti-interference capacity of transmission signals, solving the coupling loss caused by noise interference resulting from analog signal transmission, relieving the working load of ground-based computers and effectively improving the reliability of depth-logger measurement.
Description
Technical field
The present invention relates to the equipment of a kind of oil and various geological exploration fields, the digital casing joint magnetic positioning logging tool of particularly a kind of drilling well detection aspect.
Background technology
At present in oil exploration well logging process, detect the serial section curve of casing coupling by magnetic locator, can determine the exact position of downhole probe.Common way is that utilization casing coupling place's profile and the different of structure can cause this characteristic of permanent magnet magnetic flux change in this area in the world at present, thereby in winding, produce an electrical signal of reaction, electrical signal of reaction cable core in the middle of armored cable is uploaded to ground well logging computer system, carry out the A/D conversion, gather by ground well logging computer system, draw the curve of box cupling after by software the data of gathering being handled.
The weak point of this method is:
When 1, the utilization analog signal is uploaded, take a cable conductor, data volume is big, information is many because now new logging system is uploaded, and causes cable core not enough.
When 2, analog signal is uploaded, be subjected to the interference of other cable and environment easily, cause distorted signals.
3, because analog signal is uploaded ground well logging Computer Processing, make ground well logging Computer Processing task increase, cause precision not high, the curve distortion.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of new logging system cable core usage quantity, antijamming capability is strong, precision is high digital casing joint magnetic positioning logging tool of reducing.
The technical solution used in the present invention is: a kind of digital casing joint magnetic positioning logging tool, comprise the front-end probe parts and be positioned at the probe component rear, the signal processing apparatus that is connected with probe component, described probe component is made up of one group of coil windings and two permanent high temperature resistant magnet steel on the soft iron iron core, and two permanent high temperature resistant magnet steel are fixed on the coil windings two ends in the same polarity mode; Described signal processing apparatus is made up of acquisition component, communication component and power supply; Described probe component is connected with the input of collection plate, and the output of collection plate connects communication board, and the output of power supply connects probe component, acquisition component and communication component respectively.
The present invention connects signal processing apparatus on magnetic locator, the induced electromotive force that produces during directly with the box cupling place of magnetic locator by sleeve pipe metallic walls thickening collects through the acquisition component of signal processing apparatus, become data signal, and the communication component by signal processing apparatus transfers to ground well logging computer system, thereby make position signalling be transferred to computer system with digital signal form, reduced new logging system cable core usage quantity, adopt digital data transmission also to improve antijamming capability simultaneously, alleviated the calculated load of ground-based computer system.
Beneficial effect of the present invention is: reasonable in design, the digital data transmission mode can increase substantially transmission signal antijamming capability, what solved that the analog signal transmission noise causes loses the box cupling phenomenon, alleviate the ground-based computer live load, effectively improved the depth-logger measuring reliability.
Description of drawings
The invention will be further described below in conjunction with embodiment and accompanying drawing thereof.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a probe component structural representation of the present invention;
Fig. 3 is an electric control theory schematic diagram of the present invention;
Fig. 4 is an environment for use schematic diagram of the present invention.
Among the figure: 1. probe component, 2. signal processing apparatus, 3. acquisition component, 4. communication component, 5. power supply, 6. coil windings, 7. permanent high temperature resistant magnet steel, 8. filtering amplification module, 9. level translation module, 10. signal processing module, 11. data resolution modules, 12. ethernet control modules, 13.AUI converter, 14. data transmission interfaces, 15. sleeve pipes, 16. casing couplings.
The specific embodiment
In conjunction with the embodiment and the accompanying drawing thereof of a kind of digital casing joint magnetic positioning logging tool of the present invention, the invention will be further described.As shown in Figure 1, the present invention includes front-end probe parts 1 and the signal processing apparatus 2 that is positioned at probe component 1 rear, is connected with probe component.Wherein probe component 1 is made up of one group of coil windings 6 and two permanent high temperature resistant magnet steel 7 on the soft iron iron core, and two permanent high temperature resistant magnet steel 7 are fixed on coil windings 6 two ends (as shown in Figure 2) in the same polarity mode; Signal processing apparatus 2 is made up of acquisition component 3, communication component 4 and power supply 5.
Described probe component 1 is connected with the input of acquisition component 3, and the output of acquisition component 3 connects communication component 4, and the output of power supply 5 connects probe component 1, acquisition component 3 and communication component 4 respectively.
Can see from the actual environment for use of the present invention that Fig. 4 shows, digital casing joint magnetic positioning logging tool of the present invention is installed in the instrument string goes into the well, in the well logging process, when digital casing joint magnetic positioning logging tool probe component 1 passes through mounting sleeve box cupling 16 places of down-hole casing 15 metallic walls thickenings, cause the flux change of the permanent high temperature resistant magnet steel 7 in the probe component 1, the magnetic line of force by coil windings 6 increases, so just produce an induced electromotive force, when leaving casing coupling 16 places, the metallic walls attenuation, the magnetic line of force by coil windings 6 reduces, and has equally also obtained an induced electromotive force in coil windings 6.This induced electromotive force is collected by the acquisition component 3 of signal processing apparatus 2, and is passed to the ground-based computer system by communication component 4.
Fig. 3 is one embodiment of the present of invention, in the present embodiment, acquisition component 3 is made up of filtering amplification module 8, level translation module 9 and signal processing module 10, wherein the input of filtering amplification module 8 connects probe component 1, output is connected with level translation module 9, and the output of described level translation module 9 connects signal processing module 10.Described communication component 4 comprises data resolution module 11, ethernet control module 12, AUI converter 13 and data transmission interface 14, wherein data resolution module 11 links to each other by isa bus or I/O interface with ethernet control module 12, ethernet control module 12 links to each other with AUI converter 13 by the AUI interface, described data transmission interface 14 is 78 ohm coaxial cable joints, and data transmission interface 14 links to each other with AUI converter 13; The signal processing module 10 of acquisition component 3 links to each other with the data resolution module 11 of communication component 4.
In the present embodiment, coil windings 6 in probe component 1 obtains an induced electromotive force, this induced electromotive force carries out second-order filter by filtering amplification module 8 and amplifies, again via level translation module 9 form+/-2.5V range voltage gives signal processing module 10.
In an embodiment of the present invention, signal processing module 10 adopts single-chip microcomputer C8051F021, and this model single-chip microcomputer is fully-integrated 8 single-chip microcomputers of mixed-signal system level MUC chip, has 12 AD conversions and spi bus integrated in the C8051F021 single-chip microcomputer.
SPI (Serial Peripheral Interface) bus is a kind of high speed, full duplex, synchronous communication bus, and it has two kinds of mode of operations: holotype (master) and from pattern (slave).This EBI only takies four lines on the pin of chip, be respectively SPICLK, MOSI, MISO, and SS.Wherein SPICLK is the common clock of whole interface, MOSI is meant main frame output, slave input (Master Out Slave In), MISO is meant the main frame input, slave output (Mater InSlave Out), SS is the chip selection signal (Slave Select) of slave, and SS is that low level represents that this device is a slave, and SS is that high level represents that this device is a main frame.In the SPI communication system, must have one for main frame, and that slave can have is a plurality of.When SPI was configured holotype, peak transfer rate (second/position) was 1/2 of a clock frequency, and when SPI was configured from holotype, peak transfer rate (second/position) was 1/10 of a clock frequency.
In an embodiment of the present invention, signal processing module 10 and data resolution module 11 are connected by spi bus.
When signal processing module 10, in the present embodiment the single-chip microcomputer C8051F021 of Cai Yonging receive via level translation module 9 form+/-2.5V range voltage after, carry out the AD conversion, and carry out software filtering, and the conversion spi bus.At this moment, the data signal that is converted to by induced electromotive force is transferred to the data resolution module 11 of communication component 4 by spi bus, data resolution module 11 is transferred to ethernet control module 12 usefulness Ethernet media interviews control (MAC) mechanism management mode with this data signal by isa bus or I/O interface, and data signal is transferred to data transmission interface 14 by AUI converter 13.In the embodiment of the invention, digital transmission interface 14 adopts 78 ohm coaxial cable joints, can connect an AUI cable, and data signal can transfer to the ground-based computer system by this AUI cable.
In the present embodiment, data resolution module 11 adopts Chip Microcomputer A RM966E.Ethernet control module 12 adopts ethernet controller CS8900A.Ethernet media interviews controls (MAC) mechanism of CS8900A is compatible fully with IEEE802.3 (ISO/IEC8802-3,1993) MAC ethernet standard.It is handled Ethernet and transmits and all aspects that receive.The XAUI of CS8900A (AUI) provides the direct interface with ethernet transceivers such as outside 10base2,10base5 and 10BASE-F L.It and ethernet standard (ISO/IEC8802-3) are compatible fully, and can drive the AUI cable of 50 meters of total lengths.
Reasonable in design of the present invention, digital data transmission mode can increase substantially transmission signal antijamming capability, solve the analog signal transmission noise according to lose the box cupling phenomenon, alleviate the ground-based computer live load, improve the depth-logger measuring reliability.
Claims (6)
1. a digital casing joint magnetic positioning logging tool comprises front-end probe parts and the signal processing apparatus that is positioned at the probe component rear, is connected with probe component, it is characterized in that:
Described probe component is made up of one group of coil windings and two permanent high temperature resistant magnet steel on the soft iron iron core, and two permanent high temperature resistant magnet steel are fixed on the coil windings two ends in the same polarity mode;
Described signal processing apparatus is made up of acquisition component, communication component and power supply;
Described probe component is connected with the input of acquisition component, and the output of acquisition component connects communication component, and the output of power supply connects probe component, acquisition component and communication component respectively.
2. digital casing joint magnetic positioning logging tool according to claim 1 is characterized in that:
Described acquisition component is made up of filtering amplification module, level translation module and signal processing module, wherein the input of filtering amplification module connects probe component, output is connected with the level translation module, and the output of described level translation module connects signal processing module;
Described communication component comprises data resolution module, ethernet control module, AUI converter and data transmission interface, wherein data resolution module links to each other by isa bus or I/O interface with ethernet control module, ethernet control module links to each other with the AUI converter by the AUI interface, described data transmission interface is 78 ohm coaxial cable joints, and data transmission interface links to each other with the AUI converter;
The signal processing module of described acquisition component links to each other with the data resolution module of communication component.
3. digital casing joint magnetic positioning logging tool according to claim 1 is characterized in that: described signal processing module is connected by spi bus with data resolution module.
4. according to claim 2 or 3 described digital casing joint magnetic positioning logging tools, it is characterized in that: described signal processing module is single-chip microcomputer C8051F021.
5. according to claim 2 or 3 described digital casing joint magnetic positioning logging tools, it is characterized in that: described data resolution module is Chip Microcomputer A RM966E.
6. digital casing joint magnetic positioning logging tool according to claim 2 is characterized in that: described ethernet control module is ethernet controller CS8900A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100808510A CN101509370A (en) | 2009-03-24 | 2009-03-24 | Digital casing joint magnetic positioning logging tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100808510A CN101509370A (en) | 2009-03-24 | 2009-03-24 | Digital casing joint magnetic positioning logging tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101509370A true CN101509370A (en) | 2009-08-19 |
Family
ID=41001889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100808510A Pending CN101509370A (en) | 2009-03-24 | 2009-03-24 | Digital casing joint magnetic positioning logging tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101509370A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906962A (en) * | 2010-07-23 | 2010-12-08 | 江苏省金峰石油机械制造有限公司 | Mechanical type tubing collar detection device |
| CN102418485A (en) * | 2010-09-27 | 2012-04-18 | 中国石油天然气股份有限公司 | Positionable underground intelligent fishing tool |
| CN103362497A (en) * | 2013-07-11 | 2013-10-23 | 天津大学 | Sleeve pipe joint hoop measuring system based on high-power ultrasonic probe and match inductance |
| CN106285505A (en) * | 2015-06-26 | 2017-01-04 | 中国石油集团长城钻探工程有限公司 | Box cupling magnetic orientation well logging pipe nipple and there is high speed the spread of the rumours logging instrument of this pipe nipple |
| CN110130880A (en) * | 2019-05-13 | 2019-08-16 | 重庆科技学院 | A kind of underground magnetic mark object bearing direction tool |
| CN110748336A (en) * | 2019-08-06 | 2020-02-04 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Magnetic signal control electromagnetic force driving mechanical positioner and method |
| CN114856550A (en) * | 2022-05-11 | 2022-08-05 | 西南石油大学 | Device and method for accurately positioning petroleum casing pipe based on geomagnetic anomaly marker |
-
2009
- 2009-03-24 CN CNA2009100808510A patent/CN101509370A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906962A (en) * | 2010-07-23 | 2010-12-08 | 江苏省金峰石油机械制造有限公司 | Mechanical type tubing collar detection device |
| CN101906962B (en) * | 2010-07-23 | 2013-12-11 | 江苏省金峰石油机械制造有限公司 | Mechanical type tubing collar detection device |
| CN102418485A (en) * | 2010-09-27 | 2012-04-18 | 中国石油天然气股份有限公司 | Positionable underground intelligent fishing tool |
| CN102418485B (en) * | 2010-09-27 | 2015-05-06 | 中国石油天然气股份有限公司 | Positionable underground intelligent fishing tool |
| CN103362497A (en) * | 2013-07-11 | 2013-10-23 | 天津大学 | Sleeve pipe joint hoop measuring system based on high-power ultrasonic probe and match inductance |
| CN106285505A (en) * | 2015-06-26 | 2017-01-04 | 中国石油集团长城钻探工程有限公司 | Box cupling magnetic orientation well logging pipe nipple and there is high speed the spread of the rumours logging instrument of this pipe nipple |
| CN110130880A (en) * | 2019-05-13 | 2019-08-16 | 重庆科技学院 | A kind of underground magnetic mark object bearing direction tool |
| CN110748336A (en) * | 2019-08-06 | 2020-02-04 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Magnetic signal control electromagnetic force driving mechanical positioner and method |
| CN110748336B (en) * | 2019-08-06 | 2024-01-23 | 中国石油天然气集团有限公司 | Magnetic signal control electromagnetic force driving mechanical positioner and method |
| CN114856550A (en) * | 2022-05-11 | 2022-08-05 | 西南石油大学 | Device and method for accurately positioning petroleum casing pipe based on geomagnetic anomaly marker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101509370A (en) | Digital casing joint magnetic positioning logging tool | |
| CN102192765B (en) | Multi-channel parallel isolation analog/digital (A/D) acquisition and processing method | |
| CN203640727U (en) | Transient electromagnetic well-logging instrument | |
| CN201789043U (en) | Battery management system based on optical fiber CAN network | |
| CN102606142B (en) | Logging coupling detection system | |
| CN201425628Y (en) | Digital casing collar magnetic positioning logging instrument | |
| CN203161209U (en) | Gamma multi-term detection cement density logger | |
| CN100490346C (en) | Communication method of remote meter transcribing system and communication conversion module used therefor | |
| CN202109875U (en) | Resistor type multi-point displacement meter | |
| CN207752621U (en) | A kind of data collection and transfering system based on LORA | |
| CN107524436B (en) | Multiplexing device for underground measurement cable through casing and working method thereof | |
| CN105530032A (en) | Universal serial bus (USB) based power communication conversion system | |
| CN202886003U (en) | Intelligent multichannel temperature collection instrument | |
| CN202019366U (en) | Line multiplexing device for transmitting serial bus data by multiplexing Ethernet | |
| CN102681018A (en) | Transient electromagnetic instrument for mine and transient electromagnetic signal processing method | |
| CN104790942B (en) | A kind of ultrasonic logging instrument for realizing carrier communication using ultrasound emission power circuit | |
| CN202900245U (en) | Oil well drilling parameter recording system | |
| CN204795251U (en) | Oceanographic data and electric energy hybrid transmission modem for communication | |
| CN202578667U (en) | Well logging coupling detecting system | |
| CN101357641B (en) | Device and method for increasing count-axle anti-interference capacity of non-contact turbulent flow sensor | |
| CN201386514Y (en) | Magnetic inductive signal transmission petroleum tool joint | |
| CN215297692U (en) | Wireless energy-taking digital detector based on power line carrier communication | |
| CN201203798Y (en) | Distributed railway microcomputer monitoring and collection system | |
| CN101580075B (en) | Distributed type railway microcomputer monitoring and acquisition system | |
| CN212428800U (en) | Multifunctional ground depth acquisition system for well logging |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20090819 |