CN104806234A - Drilling following type acoustic logging device - Google Patents
Drilling following type acoustic logging device Download PDFInfo
- Publication number
- CN104806234A CN104806234A CN201510166830.6A CN201510166830A CN104806234A CN 104806234 A CN104806234 A CN 104806234A CN 201510166830 A CN201510166830 A CN 201510166830A CN 104806234 A CN104806234 A CN 104806234A
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- Prior art keywords
- metal block
- piezoelectric ceramic
- transducer
- type piezoelectric
- drill collar
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- 238000005553 drilling Methods 0.000 title abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 76
- 229910052751 metal Inorganic materials 0.000 claims abstract description 76
- 239000000919 ceramic Substances 0.000 claims abstract description 46
- 230000005855 radiation Effects 0.000 claims abstract description 24
- 230000005404 monopole Effects 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims description 3
- 230000003313 weakening effect Effects 0.000 claims description 2
- 229920006335 epoxy glue Polymers 0.000 claims 2
- 238000009413 insulation Methods 0.000 claims 2
- 239000004945 silicone rubber Substances 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 abstract 4
- 238000012795 verification Methods 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 16
- 239000011889 copper foil Substances 0.000 description 16
- 230000015572 biosynthetic process Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 239000011435 rock Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The embodiment of the invention relates to a drilling following type acoustic logging device. The device comprises a drill collar, a transmission energy converter and a receiving energy converter, wherein the transmission energy converter and the receiving energy converter are arranged on the drill collar; the transmission energy converter comprises a first radiation metal block, a first mass metal block and a plurality of transmission type piezoelectric ceramic sheets; the receiving energy converter comprises a second radiation metal block, a second mass metal block and a plurality of receiving type piezoelectric ceramic sheets. According to the device, a multi-pole-source working mode combining a single pole, a dipole and quadrupole is utilized to directly measure stratum longitudinal wave, transverse wav, stoneley wave sound velocity, attenuation and other parameters which can provide reference and verification for each other or individually processed, so that the reliability and applicable scope of the device can be greatly improved and expanded.
Description
Technical field
The present invention relates to SVEL field of measuring technique, particularly relate to a kind of acoustic logging-while-drillidevice device.
Background technology
In recent years, along with global industry is to the increase of oil demand amount, in oil exploration, high angle hole and horizontal well drilling become increasingly active, and logging while drilling technology develops rapidly, and nearly all open hole well wireline logging project all can be undertaken by the mode of well logging during.Acoustic logging while drilling technology is one of important method in logging while drilling technology, has the advantages that brill limit, limit is surveyed.This technology utilizes the transmitting transducer be arranged on drill collar to launch sound wave in downhole drill construction operation process, propagate in the earth formation through mud, after the decay of certain hour, the receiving transducer be installed on drill collar receives, by to receive receive MUT to acoustic wavetrain analyze, judge formation information with this.
In acoustic logging while drilling process, the acquisition aspect that transducer group is combined in stratum acoustic intelligence has played key effect, and therefore, in acoustic logging-while-drillidevice device, transducer is core component.Due to complexity and the severe particular surroundings of acoustic logging while drilling, the design of acoustic logging while drilling transducer, making and assembling is made to have larger challenge.
In prior art, acoustic logging while drilling instrument adopts monopole and dipole mode of operation usually, and one pole well logging cannot obtain shear wave information at soft formation, dipole is as sound source, dipole wave and drill collar ripple easily overlapping, cause the interference of electrode couple wavelet, cannot formation information be accurately measured.
Summary of the invention
The object of the present invention is to provide a kind of acoustic logging-while-drillidevice device, the acoustic full-range utilizing the acoustic logging while drilling technology in drilling process to obtain, asks for formation parameter information.
First aspect, the invention provides a kind of acoustic logging-while-drillidevice device, and described device comprises: drill collar, be arranged on transmitting transducer on drill collar and receiving transducer;
Described transmitting transducer, comprises the first radiation metal block of being arranged on two ends and the first test metal block, the first metal splint in centre, lays respectively at the first radiation metal block, multiple emission type piezoelectric ceramic pieces between the first test metal block and the first metal splint;
Described receiving transducer, comprises the second radiation metal block of being arranged on two ends and the second test metal block, the second metal splint in centre, lays respectively at the second radiation metal block, multiple receiving type piezoelectric ceramic pieces between the second test metal block and the second metal splint;
Wherein, described emission type piezoelectric ceramic piece number is even number, and described emission type piezoelectric ceramic piece polarised direction is thickness direction, and adj acent piezoelectric potsherd polarised direction is contrary; The length direction of described transmitting transducer is vertical with the length direction of described drill collar;
Described receiving type piezoelectric ceramic piece number is even number, and described receiving type piezoelectric ceramic piece polarised direction is thickness direction, and adj acent piezoelectric potsherd polarised direction is contrary; The length direction of described receiving transducer is vertical with the length direction of described drill collar.
Second aspect, the invention provides a kind of transmitting transducer, comprise the first radiation metal block of being arranged on two ends and the first test metal block, the first metal splint in centre, lay respectively at the first radiation metal block, multiple emission type piezoelectric ceramic pieces between the first test metal block and the first metal splint; Wherein, described emission type piezoelectric ceramic piece number is even number, and described emission type piezoelectric ceramic piece polarised direction is thickness direction, and adj acent piezoelectric potsherd polarised direction is contrary; The length direction of described transmitting transducer is vertical with the length direction of described drill collar.
The third aspect, the invention provides a kind of receiving transducer, comprise the second radiation metal block of being arranged on two ends and the second test metal block, the second metal splint in centre, lay respectively at the second radiation metal block, multiple receiving type piezoelectric ceramic pieces between the second test metal block and the second metal splint; Wherein, described receiving type piezoelectric ceramic piece number is even number, and described receiving type piezoelectric ceramic piece polarised direction is thickness direction, and adj acent piezoelectric potsherd polarised direction is contrary; The length direction of described receiving transducer is vertical with the length direction of described drill collar.
The acoustic logging-while-drillidevice device that the embodiment of the present invention provides, utilize the Acoustic multipole sources mode of operation that monopole, dipole and quadrapole form, directly can measure the parameters such as stratum compressional wave, shear wave, the Stoneley wave velocity of sound and decay, both can mutually with reference to checking, also can process separately, substantially increase confidence level and the range of application of device.Utilize compressional wave, shear wave velocity can calculate modulus of elasticity, the poisson's ratio on stratum, predict geopressure, utilize compressional wave, shear wave velocity ratio can also judge gas-bearing formation information.
Accompanying drawing explanation
The acoustic logging-while-drillidevice device schematic diagram that Fig. 1 provides for the embodiment of the present invention one;
Fig. 2 is the acoustic wave propagation path schematic diagram in the embodiment of the present invention one;
The transmitting transducer structural representation that Fig. 3 a provides for the embodiment of the present invention one;
The transmitting transducer scheme of installation that Fig. 3 b provides for the embodiment of the present invention one;
The transmitting transducer scheme of installation that Fig. 3 c provides for the embodiment of the present invention one;
The receiving transducer structural representation that Fig. 4 a provides for the embodiment of the present invention one;
The receiving transducer scheme of installation that Fig. 4 b provides for the embodiment of the present invention one;
The receiving transducer scheme of installation that Fig. 4 c provides for the embodiment of the present invention one.
Detailed description of the invention
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The acoustic logging-while-drillidevice device schematic diagram that Fig. 1 provides for the embodiment of the present invention one.As shown in Figure 1, acoustic logging-while-drillidevice device comprises: drill collar 1, transmitting transducer 2, receiving transducer 3, acoustic isolater 4, drill collar 1 top is provided with joint 5, drill collar 1 bottom is provided with joint 6, transmitting transducer 2 and receiving transducer 3 are embedded in the outer wall cutting of drill collar 1 respectively, acoustic isolater 4 is between transmitting transducer 2 and receiving transducer 3, whole acoustic logging-while-drillidevice device is arranged in well 7, is full of fluid 8 in well 7, is stratum 9 outside well.
Transmitting transducer 2 produces sound wave, propagation path as shown in Figure 2, sound wave is propagated in near-borehole formation by mud, the speed propagated and amplitude are subject to the rock property impact on stratum, after the propagation of certain distance, received by receiving transducer 3 again, sound velocity of wave propagation can be set up thus, relation between amplitude fading and formation rock physical property, thus the velocity of longitudinal wave of rock can be obtained, shear wave velocity, Stoneley wave speed, and then the degree of porosity parameter on stratum can be obtained, and can ground stress analysis be carried out, the mechanics parameter such as young's modulus of elasticity and poisson's ratio of rock can also be obtained in conjunction with rock density parameter.
In one embodiment, acoustic isolater 4 is arranged on the middle and lower part of whole drill collar 1, whole drill collar 1 is structure as a whole, acoustic isolater 4 is its important component parts, usually be arranged between transmitting transducer 2 and receiving transducer 3, its major function weakens and postpone sound wave directly to propagate into receiving transducer array 3 from transmitting transducer 2 by drill collar 1, for ensureing the safe construction of drill collar 1 in drilling process, acoustic isolater 4 also must possess certain intensity, under the effect of the strong power such as axial, radial and circumferential, large distortion can not occur, fractures and twist off.Acoustic isolater 4 is provided with leads sound track 10, and the width of leading sound track 10 is 5mm-50mm, and the degree of depth is 1mm-30mm, to increase acoustic wave propagation path the reaching object weakening direct wave.
The transmitting transducer structural representation that Fig. 3 a provides for the embodiment of the present invention one.As shown in Figure 3 a; transmitting transducer 2 comprises: the first radiation metal block 11, first test metal block 12, first metal splint 13, emission type piezoelectric ceramic piece 14, Copper Foil 15, Copper Foil 16 form cylinder; transmitting transducer 2 outer layer covers glass fiber and epoxy resin or silicon rubber topping, outermost layer is metal coating shell.Wherein, assemble with drift bolt and adhesive and cohere between metal derby and piezoelectric ceramics, piezoelectric ceramics and form.The length of transmitting transducer 2 is vertical with the length direction of drill collar 1.
In one embodiment, transmitting transducer 2 forms for emission type piezoelectric ceramic piece 14, first radiation metal block 11, first metal splint 13 and the first test metal block 12 cohere, emission type piezoelectric ceramic piece 14 is high temperature resistant emission type piezoelectric ceramic piece, diameter is 10mm-60mm, thickness is 1mm-50mm, its quantity is 2-40 (even number) sheet, and polarised direction is thickness direction, and when cohering, adjacent piezoelectric ceramic piece polarised direction is contrary.First radiation metal block 11 diameter is 10mm-60mm, and thickness is 3mm-50mm.First test metal block 12 diameter is 10mm-60mm, and thickness is 3mm-50mm, and tip diameter can be greater than emission type piezoelectric ceramic piece 14.The diameter of Copper Foil 15 and Copper Foil 16 is 10mm-80mm, and thickness is 0.1mm-5mm, and its quantity is 4-42 (even number) sheet, and high-temperature electric conduction glue spreads upon Copper Foil 15 and Copper Foil 16 Bidirectional surface.Copper Foil 15 is connected with holding wire positive pole, and Copper Foil 16 is connected with holding wire negative pole.
The transmitting transducer scheme of installation that Fig. 3 b and 3c provides for the embodiment of the present invention one.Transmitting transducer 2 can be many groups, often organizes 4 and is mutually vertically positioned on same plane, often organizes transmitting transducer and distributes successively along drill collar axial direction.
In one embodiment, transmitting transducer 2 is one group 4, and 4 transmitting transducers are vertically placed mutually, and in the same plane, and transmitting transducer horizontal centre distance is 30mm-90mm.
In one embodiment, transmitting transducer 2 adopts the monopole mode of operation of isotropic excitation, and transmitting transducer 2 produces sound wave, and receiving transducer 3 receives sound wave.
In one embodiment, transmitting transducer 2 adopts the cross-dipole mode of operation of reverse energization, and transmitting transducer 2 produces sound wave, and receiving transducer 3 receives sound wave.
In one embodiment, transmitting transducer 2 adopts the orthogonal quadrapole mode of operation of reverse energization between two, and transmitting transducer 2 produces sound wave, and receiving transducer 3 receives sound wave.
In one embodiment, transmitting transducer 2 periphery is provided with sound transmitting window, because the silicone oil in its acoustic impedance and drill collar and the mud acoustic impedance outside drill collar match, is thus conducive to reducing the decay of sound wave in emission process.
The receiving transducer structural representation that Fig. 4 a provides for the embodiment of the present invention one.As shown in fig. 4 a; receiving transducer 3 comprises: the second radiation metal block 17, second test metal block 18, second metal splint 19, receiving type piezoelectric ceramic piece 20, Copper Foil 21, Copper Foil 22 form cylinder; receiving transducer 3 outer layer covers glass fiber and epoxy resin or silicon rubber topping, outermost layer is metal coating shell.Wherein, assemble with drift bolt and adhesive and cohere between metal derby and piezoelectric ceramics, piezoelectric ceramics and form.The length of receiving transducer 3 is vertical with the length direction of drill collar 1.
In one embodiment, receiving transducer 3 forms for receiving type piezoelectric ceramic piece 20, second radiation metal block 17, second metal splint 19 and the second test metal block 18 cohere, receiving type piezoelectric ceramic piece 20 is high temperature resistant receiving type piezoelectric ceramic piece, diameter is 10mm-60mm, thickness is 1mm-50mm, its quantity is 2-40 (even number) sheet, and polarised direction is thickness direction, and when cohering, adjacent piezoelectric ceramic piece polarised direction is contrary.Second radiation metal block 17 diameter is 10mm-60mm, and thickness is 3mm-50mm.Second test metal block 18 diameter is 10mm-60mm, and thickness is 3mm-50mm, and tip diameter can be greater than receiving type piezoelectric ceramic piece 20.The diameter of Copper Foil 21 and Copper Foil 22 is 10mm-80mm, and thickness is 0.1mm-5mm, and its quantity is 4-42 (even number) sheet, and high-temperature electric conduction glue spreads upon Copper Foil 21 and Copper Foil 22 Bidirectional surface.Copper Foil 21 is connected with holding wire positive pole, and Copper Foil 22 is connected with holding wire negative pole.
The receiving transducer scheme of installation that Fig. 4 b and 4c provides for the embodiment of the present invention one.Receiving transducer 2 can be many groups, often organizes 4 and is mutually vertically positioned on same plane, often organizes receiving transducer and distributes successively along drill collar axial direction.
In one embodiment, receiving transducer 3 is 4 groups 16, and 4 receiving transducers are vertically placed mutually, and in the same plane, and receiving transducer horizontal centre distance is 30mm-90mm, and receiving transducer vertical centre distance is 30mm-100mm.Utilizing array received, is that be conducive to the locus determining to measure stratum, array element quantity is more, and directive property is stronger because it has its axial plane vertical receive the narrow characteristic of directive property.
In one embodiment, receiving transducer 3 top flare, expands receiving angle, can receive more information of acoustic wave.Receiving transducer 3 periphery is provided with sound transmitting window, because the silicone oil in its acoustic impedance and drill collar and the mud acoustic impedance outside drill collar match, is thus conducive to echo in the earth formation unattenuated or to be lessly received damply.
Due to the structure of embodiment of the present invention device, transmitting transducer 2 and receiving transducer array 3 are combined, use the mode of operation transmitting sound wave that three kinds different, and the signal of three kinds of receiving transducer array received is that the difference of these Received signal strength treated judges oiliness and the reserves thereof of reservoir by the reflection of different geologic structure, the multiple different physical process such as refraction and absorption.Particularly, add dipole and quadrapole mode of operation, effectively can measure the shear wave information of soft formation, thus the anisotropy etc. on stratum can be analyzed.
Due to structure of the present invention, four transmitting transducers are fitted together, there are three kinds of working group's syntypes and launch different sound wave, that is: the monopole pattern of four transmitting transducer isotropic excitation, the pattern of the cross-dipole of four transmitting transducer reverse energizations, the orthogonal quadrapole pattern of four transmitting transducers reverse energization between two, the signal of each receiving transducer array received is the reflection by Different Strata, the multiple different processes such as refraction and propagation absorption, difference through processing these signals can judge the velocity of longitudinal wave on stratum, shear wave velocity, the information such as degree of porosity and pore pressure, especially at soft formation (shear wave velocity on stratum is less than the velocity of sound of borehole fluid), utilize the cross-dipole in the present invention can measure the shear wave velocity on stratum with the mode of orthogonal quadrapole, carry out ground stress analysis, the allomeric function of transducer is expanded.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. an acoustic logging-while-drillidevice device, is characterized in that, described device comprises: drill collar, be arranged on transmitting transducer on drill collar and receiving transducer;
Described transmitting transducer, comprises the first radiation metal block of being arranged on two ends and the first test metal block, the first metal splint in centre, lays respectively at the first radiation metal block, multiple emission type piezoelectric ceramic pieces between the first test metal block and the first metal splint;
Described receiving transducer, comprises the second radiation metal block of being arranged on two ends and the second test metal block, the second metal splint in centre, lays respectively at the second radiation metal block, multiple receiving type piezoelectric ceramic pieces between the second test metal block and the second metal splint;
Wherein, described emission type piezoelectric ceramic piece number is even number, and described emission type piezoelectric ceramic piece polarised direction is thickness direction, and adj acent piezoelectric potsherd polarised direction is contrary; The length direction of described transmitting transducer is vertical with the length direction of described drill collar;
Described receiving type piezoelectric ceramic piece number is even number, and described receiving type piezoelectric ceramic piece polarised direction is thickness direction, and adj acent piezoelectric potsherd polarised direction is contrary; The length direction of described receiving transducer is vertical with the length direction of described drill collar.
2. device according to claim 1, it is characterized in that, described device also comprises: acoustic isolater, and described acoustic isolater is the drill collar being carved with sound track, between described transmitting transducer and described receiving transducer, propagate into receiving transducer for weakening and postponing sound wave from transmitting transducer.
3. device according to claim 1, is characterized in that, described transmitting transducer is many groups, often organizes 4 and is mutually vertically positioned on same plane, often organizes transmitting transducer and distributes successively along drill collar axial direction.
4. device according to claim 1, is characterized in that, described transmitting transducer adopts the monopole mode of operation of isotropic excitation.
5. device according to claim 1, is characterized in that, described transmitting transducer adopts the cross-dipole mode of operation of reverse energization.
6. device according to claim 1, is characterized in that, described transmitting transducer adopts the orthogonal quadrapole mode of operation of reverse energization between two.
7. device according to claim 1, is characterized in that, described receiving transducer is many groups, often organizes 4 and is mutually vertically positioned on same plane, often organizes receiving transducer and distributes successively along drill collar axial direction.
8. device according to claim 1, is characterized in that, described transmitting transducer outer layer covers glass fiber and epoxy glue or silicone rubber insulation layer, outermost layer is metal coating shell.
9. device according to claim 1, is characterized in that, described transmitting transducer radiating surface periphery is provided with sound window.
10. device according to claim 1, is characterized in that, described receiving transducer top flare, periphery is provided with sound transmitting window.
11. devices according to claim 1, is characterized in that, described receiving transducer outer layer covers glass fiber and epoxy glue or silicone rubber insulation layer, outermost layer is metal coating shell.
12. devices according to claim 1, is characterized in that, adopt drift bolt and/or adhesive assembling and cohere to form between the metal derby of described transmitting transducer and piezoelectric ceramic piece, piezoelectric ceramic piece.
13. devices according to claim 1, is characterized in that, adopt drift bolt and/or adhesive assembling and cohere to form between the metal derby of described receiving transducer and piezoelectric ceramic piece, piezoelectric ceramic piece.
14. 1 kinds of transmitting transducers, it is characterized in that, comprise the first radiation metal block of being arranged on two ends and the first test metal block, the first metal splint in centre, lay respectively at the first radiation metal block, multiple emission type piezoelectric ceramic pieces between the first test metal block and the first metal splint; Wherein, described emission type piezoelectric ceramic piece number is even number, and described emission type piezoelectric ceramic piece polarised direction is thickness direction, and adj acent piezoelectric potsherd polarised direction is contrary; The length direction of described transmitting transducer is vertical with the length direction of described drill collar.
15. 1 kinds of receiving transducers, it is characterized in that, comprise the second radiation metal block of being arranged on two ends and the second test metal block, the second metal splint in centre, lay respectively at the second radiation metal block, multiple receiving type piezoelectric ceramic pieces between the second test metal block and the second metal splint; Wherein, described receiving type piezoelectric ceramic piece number is even number, and described receiving type piezoelectric ceramic piece polarised direction is thickness direction, and adj acent piezoelectric potsherd polarised direction is contrary; The length direction of described receiving transducer is vertical with the length direction of described drill collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510166830.6A CN104806234A (en) | 2015-04-09 | 2015-04-09 | Drilling following type acoustic logging device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510166830.6A CN104806234A (en) | 2015-04-09 | 2015-04-09 | Drilling following type acoustic logging device |
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| CN104806234A true CN104806234A (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510166830.6A Pending CN104806234A (en) | 2015-04-09 | 2015-04-09 | Drilling following type acoustic logging device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522925A (en) * | 2016-11-21 | 2017-03-22 | 中国科学院地质与地球物理研究所 | While-drilling orientation sound wave signal receiving transducer encapsulating device |
| CN106930758A (en) * | 2017-03-30 | 2017-07-07 | 中国科学院声学研究所 | A kind of acoustic logging-while-drillidevice device and its method |
| CN107605473A (en) * | 2017-08-16 | 2018-01-19 | 中国科学院地质与地球物理研究所 | One kind is with brill orientation acoustic wave apparatus sound source test device |
| CN108979628A (en) * | 2018-08-01 | 2018-12-11 | 中国科学院地质与地球物理研究所 | One kind is with brill sound wave multipole combination logging mode and signal transmitting and receiving synchronous method |
| CN110821483A (en) * | 2019-11-23 | 2020-02-21 | 中国石油集团西部钻探工程有限公司 | Drill column radial coupling micro-relay transmission device for while-drilling geological guide system |
| CN114135274A (en) * | 2021-11-30 | 2022-03-04 | 中海油田服务股份有限公司 | Method and device for scanning direction cementing quality while drilling |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107605473A (en) * | 2017-08-16 | 2018-01-19 | 中国科学院地质与地球物理研究所 | One kind is with brill orientation acoustic wave apparatus sound source test device |
| CN107605473B (en) * | 2017-08-16 | 2018-08-10 | 中国科学院地质与地球物理研究所 | One kind is with brill orientation acoustic wave apparatus sound source test device |
| CN108979628A (en) * | 2018-08-01 | 2018-12-11 | 中国科学院地质与地球物理研究所 | One kind is with brill sound wave multipole combination logging mode and signal transmitting and receiving synchronous method |
| CN110821483A (en) * | 2019-11-23 | 2020-02-21 | 中国石油集团西部钻探工程有限公司 | Drill column radial coupling micro-relay transmission device for while-drilling geological guide system |
| CN114135274A (en) * | 2021-11-30 | 2022-03-04 | 中海油田服务股份有限公司 | Method and device for scanning direction cementing quality while drilling |
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