CN203685162U - Storage type acoustic variable density logger - Google Patents
Storage type acoustic variable density logger Download PDFInfo
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- CN203685162U CN203685162U CN201320801841.3U CN201320801841U CN203685162U CN 203685162 U CN203685162 U CN 203685162U CN 201320801841 U CN201320801841 U CN 201320801841U CN 203685162 U CN203685162 U CN 203685162U
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Abstract
The utility model discloses a storage type acoustic variable density logger, and relates to the technical field of oil-gas well logging equipment. The storage type acoustic variable density logger comprises a signal processing circuit, a collecting and processing circuit, a low-pressure circuit, a transmitting circuit, a gamma circuit, a battery pack pup joint, a magnetic positioning pup joint and an acoustic variable density sonic system pup joint, wherein the signal processing circuit, the collecting and processing circuit, the low pressure circuit and the transmission circuit are integrated in one pup joint used as a collecting control pup joint; the collecting control pup joint, the battery pack pup joint, the magnetic positioning pup joint, the acoustic variable density sonic system pup joint and the gamma circuit pup joint are connected in sequence. According to the utility model, the storage type acoustic variable density logger is miniaturized; the cementing quality logging on super-long horizontal wells and super-deep wells of which the well body structures are complex and the borehole conditions are poor, cannot be realized by the conventional wireline logging, but can be realized by the storage type acoustic variable density logger.
Description
Technical field
The utility model relates to Oil/gas Well logging equipment technical field, exactly relates to a kind of sound wave gamma magnetic orientation combination logging tool.
Background technology
In recent years along with exploitation and the horizontal well probing quantity of shale gas reservoir increase year by year.Horizontal wellbore logging inevitably becomes the new problem of well logging.To the detection of horizontal cementing quality, transmit the acoustic variable density log technology of minor diameter in the urgent need to modes such as coiled tubings, this technology is to solve at present most economical, the safe and effective method of horizontal cementing quality logging operation.This technology can realize downhole logging instruments net horizontal section middle and long distance and carry; Realize whole well section continuously, fast well logging, thereby shorten the activity duration, reduce operating risk, saved overall operation cost.
For the part exploration and development borehole logging tool of complex hole condition, adopt traditional horizontal well instrument transmission well logging and two kinds of modes of well logging during at present.Horizontal well instrument transmission well logging is, by drilling rod, downhole probe is transported to shaft bottom, and this mode has two shortcomings: the one, there is very large security risk; The 2nd, in the time that down-hole situation is too complicated, instrument can not be normally lower to shaft bottom, causes the full well section Log Strata information that do not collect.Although well logging during can overcome the shortcoming of horizontal well instrument transmission well logging, because cost is higher, Party A can not extensively promote the use of.
Therefore, should farthest reduce construction safety risk, reduce production costs, gather in time again the information such as cementing quality, meet the requirement of surveying level of complexity well, must adopt new well logging construction technology and logger.Minor diameter memory-type sound wave variable density log instrument can solve this difficult problem.
Summary of the invention
The utility model is intended to for the existing defect of above-mentioned prior art and deficiency, a kind of memory-type sound wave variable density log instrument is provided, the utility model can be logging instrument miniaturization, can realize normal cable log well ultra-long horizontal well and the ultradeep well that can not complete, casing programme complexity, the cementing quality well logging that borehole condition is poor.
The utility model is by adopting following technical proposals to realize:
A kind of memory-type sound wave variable density log instrument, it is characterized in that: comprise signal processing circuit, acquisition process circuit, low-voltage circuit, radiating circuit, gamma circuit, battery pack pipe nipple, magnetic orientation pipe nipple and acoustic variable-density sonic system pipe nipple, wherein signal processing circuit, acquisition process circuit, low-voltage circuit and radiating circuit are integrated in a pipe nipple, control pipe nipple as gathering; Described collection control pipe nipple, battery pack pipe nipple, magnetic orientation pipe nipple, acoustic variable-density sonic system pipe nipple are connected successively with gamma circuit pipe nipple.
Described low-voltage circuit is whole system power supply for the low-tension supply of be converted into ± 12V of power supply ,+5V that battery pack pipe nipple is supplied with.
Described radiating circuit, for under the control of acquisition process circuit, make the transmitting transducer T sounding in acoustic variable-density sonic system pipe nipple, the acoustic signals sending is along being received by the receiving transducer in acoustic variable-density sonic system pipe nipple in the well that turns back after casing wall slides, and is input to signal processing circuit.
Described magnetic orientation pipe nipple, is made up of magnet steel and coil, for surveying casing coupling and gathering magnetic locating signal, and is input to signal processing circuit.
Described gamma circuit pipe nipple, sends into acquisition process circuit for GR pulse signal is cushioned, after discriminating, frequency division, shaping and driving.
Described signal processing circuit, for the magnetic locating signal of receiving, borehole pressure signal, acoustic signals are amplified, filtering and isolation, and is sent to acquisition process circuit, and described acoustic signals comprises sound width signal and acoustic variable-density signal.
Described acquisition process circuit, for to natural gamma signal and the magnetic locating signal processed through signal processing circuit, borehole pressure signal and acoustic signals carry out Real-time Collection and data storage.
Described acquisition process circuit is to adopt DSPIC30F6010A chip, and chip crystal oscillator is 12MHz high temperature crystal oscillator, and in order to meet acoustic variable-density collection period, operating frequency frequency multiplication is 48MHz.This circuit produces the functions such as control sequential, AD collection, data storage, timing, CAN bus communication, USB communication and the transmitted pulse level conversion of whole system.
Described collection control pipe nipple and data processing panel connect, and by CAN bus communication mode or USB communication modes, each group of data of storage are read out.
Described battery pack pipe nipple is lithium thionyl chloride cell group pipe nipple.
Compared with prior art, the beneficial effect that the utility model reaches is as follows:
1, in the utility model, the memory-type sound wave variable density log instrument that adopts " signal processing circuit, acquisition process circuit, low-voltage circuit, radiating circuit, gamma circuit, battery pack pipe nipple, magnetic orientation pipe nipple and acoustic variable-density sonic system pipe nipple " to form, be convenient to miniaturization, can realize normal cable log well ultra-long horizontal well and the ultradeep well that can not complete, casing programme complexity, the cementing quality well logging that borehole condition is poor.
2, in the utility model, the operating frequency frequency multiplication of DSPIC30F6010A chip is 48MHz, can meet the needs of acoustic variable-density collection period.
Brief description of the drawings
Below in conjunction with specification drawings and specific embodiments, the utility model is described in further detail, wherein:
Fig. 1 is circuit block diagram of the present utility model.
Mark in figure:
1 signal processing circuit, 2 acquisition process circuit, 3 low-voltage circuits, 4 radiating circuits, 5 gamma circuit pipe nipples, 6 lithium thionyl chloride cell group pipe nipples, 7 magnetic orientation pipe nipples, 8 acoustic variable-density sonic system pipe nipples, 9 gather controls pipe nipple.
Detailed description of the invention
With reference to Figure of description 1, preferred forms of the present utility model is:
Minor diameter memory-type sound wave variable density log instrument need complete the functions such as processing, AD collection and the data storage to magnetic locating signal, borehole pressure signal, sound width signal, acoustic variable-density signal, natural gamma signal.This logging instrument adopts drilling tool or coiled tubing to carry in during well logging, do not have cable to carry out signal transmission, downhole cartridge cannot with ground communications, ground cannot Real-Time Monitoring downhole cartridge well logging state, therefore adopt in design lithium thionyl chloride cell group unit, down-hole to power to downhole cartridge, design process emphasis is considered the reliability of instrument under high temperature and high pressure environment.
In order to ensure the reliability of instrument, in the design of hardware circuit, adopt ripe components and parts and circuit form as far as possible, on software, gather respectively and store sound width signal, acoustic variable-density signal and the magnetic locating signal of two-way gain.Software for Design core is DSPIC30F6010A chip, and development environment adopts MPLAB IDE.Practical function be analog data collection, gamma data collection, ground communications, system to time, data storage and data read.
The utility model is made up of signal processing circuit 1, acquisition process circuit 2, low-voltage circuit 3, radiating circuit 4, gamma circuit, lithium thionyl chloride cell group pipe nipple 6, magnetic orientation pipe nipple 7 and acoustic variable-density sonic system pipe nipple 8 eight parts.Signal processing circuit 1, low-voltage circuit 3, radiating circuit 4, gamma circuit, lithium thionyl chloride cell group pipe nipple 6, magnetic orientation pipe nipple 7 and acoustic variable-density sonic system pipe nipple 8 are available circuit and the pipe nipple of this area.Wherein signal processing circuit 1, acquisition process circuit 2, low-voltage circuit 3 and radiating circuit 4 are integrated in a pipe nipple, control pipe nipple 9 as gathering.The mechanical connection order of whole instrument is followed successively by and gathers the gamma circuit pipe nipple 5 of controlling pipe nipple 9, lithium thionyl chloride cell group pipe nipple 6, magnetic orientation pipe nipple 7, acoustic variable-density sonic system pipe nipple 8 and bottom.Acquisition process circuit 2 is cores of the present utility model, adopts DSPIC30F6010A chip, and chip crystal oscillator is 12MHz high temperature crystal oscillator, and in order to meet acoustic variable-density collection period, operating frequency frequency multiplication is 48MHz.This circuit produces the functions such as control sequential, AD collection, data storage, timing, CAN bus communication, USB communication and the transmitted pulse level conversion of whole system.Be converted into ± the 12V of 22V dc source that low-voltage circuit 3 is supplied with lithium thionyl chloride cell group pipe nipple 6, the low-tension supply of+5V are whole system power supply; Radiating circuit 4 is under the control of acquisition process circuit 2, make the transmitting transducer T sounding of 8 li of acoustic variable-density sonic system pipe nipples, most of acoustic signals can reflect and enter casing wall on sleeve pipe and annular fluid interface, along being received by the receiving transducer of 8 li of acoustic variable-density sonic system pipe nipples (3ft, 5ft) in the well that turns back after casing wall slides, the spacing of sonic system is designed to 3 feet, and spacing is 2 feet.Signal processing circuit 1 to magnetic locating signal, borehole pressure signal, sound width signal, acoustic variable-density signal amplify, the processing such as filtering, isolation.Because of magnetic locating signal dynamic range large, acoustic variable-density signal need obtain the not acoustic signals of amplitude limit, signal processing circuit 1 is all adopted to two kinds of simultaneously treated modes of different gains, the magnetic locating signal that acquisition process circuit 2 was processed these, borehole pressure signal, sound width signal, acoustic variable-density signal, natural gamma signal carry out Real-time Collection and data storage.
After well logging finishes, gather control pipe nipple 9 and connect with data processing panel, by CAN bus communication mode or USB communication modes, each group of data of storage are read out.Magnetic orientation pipe nipple 7 is made up of magnet steel and coil, be used for surveying casing coupling, magnetic locating signal is input to signal processing circuit 1 and carries out anti-interference process, gamma circuit pipe nipple 5 is made up of the resistant to elevated temperatures NaI crystal of miniaturization, photomultiplier and high temperature resistant module, this pipe nipple to GR pulse signal cushion, discriminating, frequency division, shaping and driving, then send into acquisition process circuit 2 and process counting, and deposit memory in.Adopt high-pressure modular to power to photomultiplier, the power supply of DC/DC electric power source pair of module electronic circuit, all adopt thick film technology for realizing instrument high integration and reducing power consumption, the application of these modules can improve temperature performance, the stability of instrument and realize the miniaturization of instrument.
Claims (10)
1. a memory-type sound wave variable density log instrument, it is characterized in that: comprise signal processing circuit (1), acquisition process circuit (2), low-voltage circuit (3), radiating circuit (4), gamma circuit, battery pack pipe nipple (6), magnetic orientation pipe nipple (7) and acoustic variable-density sonic system pipe nipple (8), wherein signal processing circuit (1), acquisition process circuit (2), low-voltage circuit (3) and radiating circuit (4) are integrated in a pipe nipple, control pipe nipple (9) as gathering; Described collection control pipe nipple (9), battery pack pipe nipple (6), magnetic orientation pipe nipple (7), acoustic variable-density sonic system pipe nipple (8) and gamma circuit pipe nipple (5) are connected successively.
2. memory-type sound wave variable density log instrument according to claim 1, is characterized in that: described low-voltage circuit (3) is whole system power supply for the low-tension supply of be converted into ± 12V of power supply ,+5V that battery pack pipe nipple (6) is supplied with.
3. memory-type sound wave variable density log instrument according to claim 1, it is characterized in that: described radiating circuit (4), for under the control of acquisition process circuit (2), make the inner transmitting transducer T sounding of acoustic variable-density sonic system pipe nipple (8), the acoustic signals sending is along being received by the inner receiving transducer of acoustic variable-density sonic system pipe nipple (8) in the well that turns back after casing wall slides, and is input to signal processing circuit (1).
4. memory-type sound wave variable density log instrument according to claim 1, is characterized in that: described magnetic orientation pipe nipple (7), formed by magnet steel and coil, and for surveying casing coupling and gathering magnetic locating signal, and be input to signal processing circuit (1).
5. memory-type sound wave variable density log instrument according to claim 1, is characterized in that: described gamma circuit pipe nipple (5), send into acquisition process circuit (2) for GR pulse signal is cushioned, after discriminating, frequency division, shaping and driving.
6. according to the memory-type sound wave variable density log instrument described in claim 1 or 2 or 3 or 4, it is characterized in that: described signal processing circuit (1), for the magnetic locating signal of receiving, borehole pressure signal, acoustic signals are amplified, filtering and isolation, and being sent to acquisition process circuit (2), described acoustic signals comprises sound width signal and acoustic variable-density signal.
7. memory-type sound wave variable density log instrument according to claim 6, it is characterized in that: described acquisition process circuit (2), for the magnetic locating signal of processing to natural gamma signal with through signal processing circuit (1), borehole pressure signal and acoustic signals carry out Real-time Collection and data storage.
8. memory-type sound wave variable density log instrument according to claim 7, is characterized in that: described acquisition process circuit (2) is to adopt DSPIC30F6010A chip, and operating frequency frequency multiplication is 48MHz.
9. memory-type sound wave variable density log instrument according to claim 8, is characterized in that: described collection control pipe nipple (9) connects with data processing panel, by CAN bus communication mode or USB communication modes, each group of data of storage is read out.
10. memory-type sound wave variable density log instrument according to claim 1, is characterized in that: described battery pack pipe nipple (6) is lithium thionyl chloride cell group pipe nipple (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320801841.3U CN203685162U (en) | 2013-12-09 | 2013-12-09 | Storage type acoustic variable density logger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320801841.3U CN203685162U (en) | 2013-12-09 | 2013-12-09 | Storage type acoustic variable density logger |
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| Publication Number | Publication Date |
|---|---|
| CN203685162U true CN203685162U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320801841.3U Expired - Fee Related CN203685162U (en) | 2013-12-09 | 2013-12-09 | Storage type acoustic variable density logger |
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| CN (1) | CN203685162U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291746A (en) * | 2015-05-22 | 2017-01-04 | 北京环鼎科技有限责任公司 | Cable stores double mode well logging apparatus and method |
| CN107727298A (en) * | 2017-11-23 | 2018-02-23 | 川南航天能源科技有限公司 | Perforation single-core cable underground tension force real-time monitoring system and its monitoring method |
-
2013
- 2013-12-09 CN CN201320801841.3U patent/CN203685162U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291746A (en) * | 2015-05-22 | 2017-01-04 | 北京环鼎科技有限责任公司 | Cable stores double mode well logging apparatus and method |
| CN107727298A (en) * | 2017-11-23 | 2018-02-23 | 川南航天能源科技有限公司 | Perforation single-core cable underground tension force real-time monitoring system and its monitoring method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20181209 |