CN200985790Y - Column aspect phased array circumferential well scan supersonic transducer - Google Patents
Column aspect phased array circumferential well scan supersonic transducer Download PDFInfo
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- CN200985790Y CN200985790Y CN 200620133824 CN200620133824U CN200985790Y CN 200985790 Y CN200985790 Y CN 200985790Y CN 200620133824 CN200620133824 CN 200620133824 CN 200620133824 U CN200620133824 U CN 200620133824U CN 200985790 Y CN200985790 Y CN 200985790Y
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Abstract
The utility model discloses a columnar phase array well circumference scanning ultrasonic transducer, which is composed of a plurality of transducer units; wherein the transducer units are arranged in the ring shape and on a columnar basal body, and free from any disturbance or influence of each other. The acoustic beam focusing position, signal strength and deflection angle of the columnar phase array well circumference scanning ultrasonic transducer is controlled according to the number of the transducers and the time sequence of the control circuit. The utility model is capable of realizing the control of acoustic beam deflection angle through the electronic dynamic focusing and deflection technique and scanning the well circumference along the well circumferential direction to form the image with high resolution. And the dynamic focusing technique adopted by the utility model can make the instrument adjust the focus length according to the change of the well circumferential bore, thus forming the well circumferential image directly without driven by mechanical rotation.
Description
Technical field
The utility model relates to measureing equipment under a kind of oil well, specifically, relates to a kind of cylindricality phased array well week scanning ultrasonic transducer that can be used for the down-hole.
Background technology
In traditional well week scanning acoustic imaging instrument, transducer is fixed on the axis of rotation, finishes the scanning in well week under the drive of motor.Instrument complicated in mechanical structure, resolution ratio are low.Traditional instrumental function is simple, can only be used for the measurement of bore hole or sleeve pipe.For example, be used for the instrument of borehole wall scanning imagery, can not comprehensively estimate the information beyond the borehole wall; The measuring apparatus that is used for the down-hole cement bond appraisal, because the stationary arrangement mode of receiving transducer, certainty of measurement is relatively poor, signal disturbs greatly, explains difficulty.
The probe of present ultrasonic under-mine TV survey meter is a concave surface transducer, acoustic wave energy can be focused on the borehole wall.The focusing of probe is fixed, and the effect of surveying when hole diameter changes is relatively poor, for different wells, needs to change the concave surface probe of different size.In order to overcome this difficulty, prior art also proposes to adopt annular phased array probe to carry out dynamic focusing, and this technology can accurately obtain the time and the magnitude image of well.But this annular phased transducer is the same with the concave surface transducer, all needs probe rotation constantly, owing to comprise multiple signals, when instrument during in underground work, finishes circuit by the mode of electromagnetic coupled and connects, and has the difficulty in the coupling.
The utility model content
The technical problem that the utility model solved provides a kind of cylindricality phased array well week scanning ultrasonic transducer, can realize controlling the deflection angle of acoustic beam by electron focusing and deflection technique, along well Zhou Fangxiang the borehole wall is carried out accurately scanning imagery.
The technical solution of the utility model is as follows:
Cylindricality phased array well week scanning ultrasonic transducer is combined by several transducer units, and described transducer unit circular array is arranged on the cylindricality matrix, and described transducer unit does not disturb mutually and influences.
Preferably, described transducer unit possesses and independently connects control circuit.
Preferably, described transducer unit is the piezoelectric chip of bar shaped.
Preferably, control focal position, signal strength signal intensity or the deflection angle of cylindricality phased array well week scanning ultrasonic transducer according to the sequential of selected transducer unit number, control circuit.
The utility model is according to the selected transducer unit number and the sequential of control circuit, and control cylindricality phased array well week is scanned sound beam focusing position, signal strength signal intensity and the deflection angle of ultrasonic transducer.The utility model focuses on by electronic Dynamic and deflection technique can realize controlling the deflection angle of acoustic beam, and along well Zhou Fangxiang to the imaging of well Zhou Jinhang high resolution scanning.The dynamic focus technology that the utility model technology adopts can make instrument focus according to the variation in all apertures of well, can not carry out well week scanning imagery so do not need the machinery rotation to drive.
Description of drawings
Fig. 1 is a perspective view of the present utility model;
Fig. 2 is the vertical view of corresponding Fig. 1;
Fig. 3 is that the utility model is at the underground work schematic diagram;
Fig. 4 is a control procedure schematic diagram of the present utility model;
Fig. 5 is the schematic diagram of surveying work process of the present utility model.
The specific embodiment
What cylindricality phased array well week scanning ultrasonic transducer utilized one group of transducer unit is combined to form the cylindrical phased array transducer array, demand by underground work covers 360 ° of scannings in well, analyze well week information (borehole wall, sleeve pipe, cementing and stratum) according to reflection wave signal, for reservoir evaluation and engineer operation provide foundation.The utility model utilizes column phase array transducer structure, does not need to rotate control section, does not need to change the transducer of different size, can adapt to by the control of ground image data well scope and adjustment certainty of measurement.
With reference to the accompanying drawings the utility model is described in detail.
As depicted in figs. 1 and 2, cylindricality phased array well week scanning ultrasonic transducer is evenly distributed with ring-type by several transducer units 1, mutually insulated does not also disturb mutually between each unit, is provided with insulating layer 2, and each transducer unit 1 can independently be controlled emission and the sequential that receives.
Cylindricality phased array well week scanning ultrasonic transducer hereinafter abbreviates transducer as, each emission of transducer and reception, finish by one group of selected transducer unit 1, can control focal position, signal strength signal intensity and the deflection angle of transducer according to the sequential of the number of selected transducer unit 1 and control circuit.
In this preferred embodiment, transducer unit 1 is made up of piezoelectric chip, and each piezoelectric chip can independently be controlled, and a plurality of transducer units 1 are formed transducer arrays.
With reference to Fig. 3, Fig. 4, Fig. 5 the course of work of transducer is described in detail.
At first, transducer is finished the emission of sound wave.
One group of selected transducer unit 1 forms the data signal of one group of different delay by computer, and this group signal is converted to analog signal through D/A converter, and then sends to selected transducer unit 1.A plurality of selected transducer units 1 form the multi beam sound wave under the excitation of this analog signal, all sound waves focus on the borehole wall 3.By controlling the emission voltage of several adjacent transducer units 1, make sound wave on the borehole wall, form focusing, focal length can pass through the control circuit dynamic adjustments.Transducer need not rotation, by changing selected transducer unit 1, can make sound wave along well Zhou Fangxiang the borehole wall 3 be carried out 360 ℃ of scannings.
Next, transducer carries out the reception of reflective sound wave.
The user is according to the image scanning result who shows, according to selected transducer unit number, the sequential of control circuit, come in real time, dynamically to control the focusing orientation of sound wave, focal position, signal strength signal intensity or the deflection angle of transducer, finish next step measurement control, final 360 ℃ of scanning imageries realizing well week.
Claims (3)
1, a kind of cylindricality phased array well week scanning ultrasonic transducer comprises at least one transducer unit, it is characterized in that described transducer unit circular array is arranged on the cylindricality matrix, and described transducer unit does not disturb mutually and influences.
2, cylindricality phased array well according to claim 1 week scanning ultrasonic transducer is characterized in that, described transducer unit possesses and independently connects control circuit.
3, cylindricality phased array well week scanning ultrasonic transducer according to claim 1 is characterized in that described transducer unit is the piezoelectric chip of bar shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620133824 CN200985790Y (en) | 2006-09-19 | 2006-09-19 | Column aspect phased array circumferential well scan supersonic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620133824 CN200985790Y (en) | 2006-09-19 | 2006-09-19 | Column aspect phased array circumferential well scan supersonic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200985790Y true CN200985790Y (en) | 2007-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620133824 Expired - Fee Related CN200985790Y (en) | 2006-09-19 | 2006-09-19 | Column aspect phased array circumferential well scan supersonic transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200985790Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102546031A (en) * | 2010-12-16 | 2012-07-04 | 李百祺 | Wireless power transmission system, wireless power transmitting apparatus and wireless power receiving apparatus |
| CN104359980A (en) * | 2014-11-24 | 2015-02-18 | 清华大学 | Sawtooth-shaped columnar ultrasonic phased array transducer |
| CN106321043A (en) * | 2016-10-17 | 2017-01-11 | 广汉市思科信达科技有限公司 | Rotary ultrasonic transducer |
| CN109519168A (en) * | 2017-09-15 | 2019-03-26 | 中国石油天然气股份有限公司 | A kind of sounding device that the down-hole pressure for measuring hydrodynamic face is wirelessly transferred |
| CN110487912A (en) * | 2019-08-05 | 2019-11-22 | 清华大学 | A kind of self-focusing phased array ultrasonic detection probe for managing interior non-destructive testing |
| US20200055196A1 (en) * | 2018-08-16 | 2020-02-20 | Darkvision Technologies Inc. | Device and Method to Position an End Effector in a Well |
| CN111965731A (en) * | 2020-08-14 | 2020-11-20 | 中国海洋石油集团有限公司 | Testing device and testing equipment |
| CN112647931A (en) * | 2020-12-29 | 2021-04-13 | 中国地质大学（武汉） | Underground accident detection device and method in geological drilling process |
| CN112903817A (en) * | 2020-12-31 | 2021-06-04 | 南京霆升医疗科技有限公司 | Real-time three-dimensional imaging device and method based on two-dimensional ultrasonic transducer |
| US11326445B2 (en) | 2015-10-09 | 2022-05-10 | Darkvision Technologies Inc. | Devices and methods for imaging wells using phased array ultrasound |
| US11619125B2 (en) | 2015-03-16 | 2023-04-04 | Darkvision Technologies Inc | Device and method to image flow in oil and gas wells using phased array doppler ultrasound |
-
2006
- 2006-09-19 CN CN 200620133824 patent/CN200985790Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102546031A (en) * | 2010-12-16 | 2012-07-04 | 李百祺 | Wireless power transmission system, wireless power transmitting apparatus and wireless power receiving apparatus |
| CN104359980A (en) * | 2014-11-24 | 2015-02-18 | 清华大学 | Sawtooth-shaped columnar ultrasonic phased array transducer |
| US11619125B2 (en) | 2015-03-16 | 2023-04-04 | Darkvision Technologies Inc | Device and method to image flow in oil and gas wells using phased array doppler ultrasound |
| US11326445B2 (en) | 2015-10-09 | 2022-05-10 | Darkvision Technologies Inc. | Devices and methods for imaging wells using phased array ultrasound |
| CN106321043A (en) * | 2016-10-17 | 2017-01-11 | 广汉市思科信达科技有限公司 | Rotary ultrasonic transducer |
| CN109519168A (en) * | 2017-09-15 | 2019-03-26 | 中国石油天然气股份有限公司 | A kind of sounding device that the down-hole pressure for measuring hydrodynamic face is wirelessly transferred |
| US20200055196A1 (en) * | 2018-08-16 | 2020-02-20 | Darkvision Technologies Inc. | Device and Method to Position an End Effector in a Well |
| US11725497B2 (en) * | 2018-08-16 | 2023-08-15 | Darkvision Technologies Inc | Device and method to position an end effector in a well |
| CN110487912A (en) * | 2019-08-05 | 2019-11-22 | 清华大学 | A kind of self-focusing phased array ultrasonic detection probe for managing interior non-destructive testing |
| CN111965731A (en) * | 2020-08-14 | 2020-11-20 | 中国海洋石油集团有限公司 | Testing device and testing equipment |
| CN111965731B (en) * | 2020-08-14 | 2023-10-20 | 中国海洋石油集团有限公司 | Testing device and testing equipment |
| CN112647931A (en) * | 2020-12-29 | 2021-04-13 | 中国地质大学（武汉） | Underground accident detection device and method in geological drilling process |
| CN112903817A (en) * | 2020-12-31 | 2021-06-04 | 南京霆升医疗科技有限公司 | Real-time three-dimensional imaging device and method based on two-dimensional ultrasonic transducer |
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Legal Events
| 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 |
Granted publication date: 20071205 Termination date: 20140919 |
|
| EXPY | Termination of patent right or utility model |