CN201771489U - Acoustic variable density logging instrument - Google Patents
Acoustic variable density logging instrument Download PDFInfo
- Publication number
- CN201771489U CN201771489U CN2009202458396U CN200920245839U CN201771489U CN 201771489 U CN201771489 U CN 201771489U CN 2009202458396 U CN2009202458396 U CN 2009202458396U CN 200920245839 U CN200920245839 U CN 200920245839U CN 201771489 U CN201771489 U CN 201771489U
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- signal processing
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Abstract
An acoustic variable density logging instrument with a variable interface comprises a signal acquisition module, a signal processing module, a signal adaptive module, a sequential control module, a power module and an underground sequential control module, wherein the signal processing module receives signals acquired by the signal acquisition module; the signal adaptive module receives signals processed by the signal processing module; and the power module supplies power supply for the signal processing module. The utility model has the advantages of high practicability and simple structure, is convenient in adapting and maintenance, and has high integrated level and low failure rate by adopting CPLDs (complex programmable logic devices) to conduct sequential control.
Description
Technical field
The utility model relates to a kind of oil well logging instrument field, is specifically related to a kind of acoustic variable density log instrument.
Background technology
Acoustic variable-density well logging instrument is a kind of logger that detects the outside cementing degree of oil well casing, can to first cement plane of cementing quantitatively and the analysis qualitatively of cementing second cement plane.Instrument by detecting two respectively apart from the acoustic wavetrain of sound wave emissions probe for the receiving transducer of 3ft and 5ft, and to the record analysis of the full-wave train of the first width of cloth of the sound wave of 3ft and 5ft, just can be made evaluation to the cementing quality of cement in the down-hole.And at present the pertinent instruments of oil well cementation and quality well logging exist and aboveground instrument between the power supply mode of transmission method of signal and power supply single, or single core figure pattern transmission means, or multicore analog signal transmission mode.On power supply mode or interchange or direct current.Thereby make the inconvenience that connects of the aboveground instrument of user, also increased the management and the cost of production of the relevant similar not product of the same race of enterprise simultaneously.
Summary of the invention
Connect inconvenience and the high technical problem of cost of production for what solve aboveground instrument, the utility model provides a kind of acoustic variable density log instrument of variable interface.
The technical solution of the utility model is as follows:
A kind of acoustic variable density log instrument of variable interface, described acoustic variable density log instrument comprises, signal acquisition module, the signal processing module of received signal acquisition module, the signal transmitting module of received signal processing module, time-sequence control module, the power module that provides for signal processing module, and down-hole time-sequence control module.
Above-mentioned signal acquisition module comprises the sonic system assembly, gamma sensor and magnetic position sensor;
Above-mentioned signal processing module comprises acoustic signals processing module, gamma signal processing module and magnetic orientation processing module; Above-mentioned signal transmitting module comprises single cable signal transmitting module and many cables signal transmitting module;
Above-mentioned sonic system assembly is connected with the acoustic signals processing module, to receive the signal of sonic sensor;
Above-mentioned gamma signal processing module is connected with gamma sensor, to receive the signal of gamma sensor;
Above-mentioned magnetic orientation processing module is connected with magnetic position sensor, to receive the signal of magnetic position sensor;
Above-mentioned acoustic signals processing module, gamma signal processing module and magnetic orientation processing module, all time of deciding signal to handle by time-sequence control module;
Above-mentioned acoustic signals processing module, gamma signal processing module and magnetic orientation processing module are connected with many cables signal transmitting module with single cable signal transmitting module.
Above-mentioned power supply is an alternating current-direct current integrated form power supply.
The utlity model has following advantage:
1. practical, connect conveniently, simple in structure, be convenient to safeguard;
2. adopt CPLD to carry out SECO, the integrated level height, fault rate is low;
3, multiple signal transmission timing.
4. can adopt multicore or single core signal sending mode;
5. can adopt numeral or simulate selectable signal format and send;
6. can freely select to exchange or the direct current supply mode;
7. production efficiency height, management cost is low.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present utility model.
The specific embodiment
Referring to Fig. 1, a kind of acoustic variable density log instrument comprises power module and time-sequence control module, also comprises connected signal acquisition module, the signal processing module of received signal acquisition module, and the signal transmitting module of received signal processing module.Signal acquisition module comprises the sonic system assembly, gamma sensor and magnetic position sensor; Signal processing module comprises acoustic signals processor, gamma signal processor and magnetic orientation processor; Signal transmitting module comprises single cable signal transmitting module and many cables signal transmitting module; The sonic system assembly is connected with the acoustic signals processor, to receive the signal of sonic sensor; The gamma signal processor is connected with gamma sensor, to receive the signal of gamma sensor; The magnetic orientation processor is connected with magnetic position sensor, to receive the signal of magnetic position sensor; Acoustic signals processor, gamma signal processor and magnetic orientation processor are connected with many cables signal adapter with single cable signal adapter.Wherein power supply is an alternating current-direct current formula integrated power supply.
During work, wherein signal acquisition module is fixed, with the sonic system assembly in the signal acquisition module, the shaping of the analog signal that the signal that gamma sensor and magnetic position sensor transmit is correlated with in acoustic signals processor, gamma signal processor and magnetic orientation processor is handled, and makes it reach semaphore request to aboveground transmission.The needs aboveground according to the user are delivered to the signal of the gamma handled well, sound wave, magnetic orientation on single cable signal transmitting module or the many cables signal transmitting module.301 of single cable signal transmitting module become analog signal conversion the Manchester code of standard to send on single cable by PIC30F6012A signal, and 302 of many cables signal transmitting module will measure to such an extent that analog signal drives by HJ824 and is coupled on the multicore cable.Thereby reach signal by different modes to aboveground transmission.Wherein power supply is integrated ac power supply method and direct current supply mode, also can be by connecting the adaptive pipe nipple of different instruments, make the user select power supply mode according to own and actual conditions, also can select transmission means according to own and actual conditions by time-sequence control module is carried out corresponding wire jumper to the different SECO of data.
Claims (3)
1. the acoustic variable density log instrument of a variable interface comprises the AC/DC universal power module, signals collecting, signal processing module, time-sequence control module, and signal transmitting module; Described AC/DC universal power module is connected with signal processing module, and described signal gathering unit is connected with signal processing module, and described time-sequence control module is connected in signal processing module, and described signal processing module is connected in signal transmitting module.
2. acoustic variable density log instrument according to claim 1 is characterized in that:
Described signal acquisition module comprises sonic system assembly, gamma sensor and magnetic position sensor;
Described signal processing module comprises acoustic signals processor, gamma signal processor and magnetic orientation processor;
Described signal transmitting module comprises single cable signal transmitting module and many cables signal transmitting module;
Described sonic system assembly is connected with the acoustic signals processing module, with the signal of reception and sonic sensor;
Described gamma sensor is connected with the gamma processing module, to receive the signal of gamma sensor;
Described magnetic position sensor is connected with the magnetic orientation processing module, to receive the signal of magnetic position sensor;
Described acoustic signals processing module, gamma signal processing module and magnetic orientation processing module are connected with many cables signal transmitting module with single cable signal transmitting module;
Described acoustic signals processing module, gamma signal processing module and magnetic orientation processing module are connected with time-sequence control module.
3. acoustic variable density log instrument according to claim 1 and 2 is characterized in that: described power module is an alternating current-direct current formula integrated power supply module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202458396U CN201771489U (en) | 2009-12-17 | 2009-12-17 | Acoustic variable density logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202458396U CN201771489U (en) | 2009-12-17 | 2009-12-17 | Acoustic variable density logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201771489U true CN201771489U (en) | 2011-03-23 |
Family
ID=43751334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202458396U Expired - Lifetime CN201771489U (en) | 2009-12-17 | 2009-12-17 | Acoustic variable density logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201771489U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459824A (en) * | 2014-12-29 | 2015-03-25 | 成都理工大学 | Device for monitoring fracturing effect of micro-earthquakes and monitoring method with device |
-
2009
- 2009-12-17 CN CN2009202458396U patent/CN201771489U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459824A (en) * | 2014-12-29 | 2015-03-25 | 成都理工大学 | Device for monitoring fracturing effect of micro-earthquakes and monitoring method with device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110323 |
|
| CX01 | Expiry of patent term |