CN111257944B - Multipole transmitting transducer of while-drilling multipole acoustic imaging logging instrument and working method thereof - Google Patents
Multipole transmitting transducer of while-drilling multipole acoustic imaging logging instrument and working method thereof Download PDFInfo
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- CN111257944B CN111257944B CN202010082836.6A CN202010082836A CN111257944B CN 111257944 B CN111257944 B CN 111257944B CN 202010082836 A CN202010082836 A CN 202010082836A CN 111257944 B CN111257944 B CN 111257944B
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- 230000005405 multipole Effects 0.000 title claims abstract description 50
- 238000005553 drilling Methods 0.000 title claims abstract description 33
- 238000003384 imaging method Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000005404 monopole Effects 0.000 claims abstract description 11
- 239000000919 ceramic Substances 0.000 claims description 53
- 230000001681 protective effect Effects 0.000 claims description 32
- 239000013078 crystal Substances 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 230000005855 radiation Effects 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 150000008363 butyronitriles Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
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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
- 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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
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- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
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- Mining & Mineral Resources (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Transducers For Ultrasonic Waves (AREA)
Abstract
The invention provides a multipole transmitting transducer of a while-drilling multipole acoustic imaging logging instrument and a working method thereof, wherein in the construction of acoustic logging while drilling, a monopole radiation function and a quadrupole radiation function can be realized by controlling the working phases of two adjacent transmitting transducers, and when the two adjacent transmitting transducers work in the same phase, the monopole radiation function is realized; when two adjacent transmitting transducers work in opposite phase conditions, the quadrupole radiation function is realized. In the actual work of the instrument, monopole radiation and quadrupole radiation are alternately carried out, so that longitudinal waves and transverse waves of the stratum can be effectively excited, and the purpose of multi-dipole acoustic logging while drilling is achieved.
Description
Technical Field
The invention belongs to the field of petroleum engineering service logging equipment, and relates to a while-drilling multipole acoustic imaging logging instrument in petroleum logging, in particular to a while-drilling multipole acoustic imaging logging instrument multipole transmitting transducer and a working method thereof.
Background
The main task of the acoustic logging while drilling is to effectively obtain longitudinal wave and transverse wave information of various stratums in real time through an instrument in the drilling process, and perform the operations of rock mechanical parameter calculation, stratum void pressure prediction, stratum model correction, drilling plan optimization and the like through the information. The transmitting transducer of the existing acoustic logging-while-drilling instrument only has a monopole transmitting function, so that the instrument is only suitable for rapid measurement of longitudinal wave time difference in stratums and is not beneficial to effectively acquiring longitudinal wave time difference, transverse wave time difference and full wave train information in various stratums.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a multipole transmitting transducer of a while-drilling multipole acoustic imaging logging instrument and a working method thereof, which can effectively excite longitudinal waves and transverse waves of a stratum and achieve the purpose of while-drilling multipole acoustic logging.
The invention is realized by the following technical scheme:
a multi-pole transmitting transducer of a multi-pole acoustic imaging logging instrument while drilling comprises four transmitting transducers, wherein each transmitting transducer comprises a transmitting transducer outer cover plate (1), a piezoelectric ceramic transducer (5) and a transmitting transducer inner cover plate (6);
the cross sections of the transmitting transducer outer cover plate (1), the piezoelectric ceramic transducer (5) and the transmitting transducer inner cover plate (6) are arc-shaped, and the transmitting transducer outer cover plate (1), the piezoelectric ceramic transducer (5) and the transmitting transducer inner cover plate (6) are coaxially arranged;
the inner side of the transmitting transducer outer cover plate (1) is provided with a transducer mounting groove, the piezoelectric ceramic transducer (5) is mounted in the transducer mounting groove, and the transmitting transducer inner cover plate (6) is arranged on the inner side of the transmitting transducer outer cover plate (1) and is fixedly connected with the transmitting transducer outer cover plate (1); the transmitting transducer outer cover plate (1) is provided with a plurality of through holes at the mounting position of the piezoelectric ceramic transducer (5);
the four transmitting transducers are arranged and connected together along the circumferential direction to form the multi-pole transmitting transducer of the logging instrument with the cylindrical structure for the acoustic wave imaging of the multi-pole while drilling.
Preferably, a wire groove is arranged on the transmitting transducer outer cover plate (1), and a lead of the piezoelectric ceramic transducer (5) is led out from the wire groove.
Preferably, the piezoelectric ceramic transducer (5) is obtained by sealing and wrapping piezoelectric ceramic transducer crystals by epoxy resin.
Preferably, one end of the piezoelectric ceramic transducer (5) is provided with a first protective sleeve (8), and the other end is provided with a second protective sleeve (4).
Further, a second gasket (2) and an elastic gasket (3) are arranged between the side wall of one end of the transducer mounting groove and a second protective sleeve (4), the second gasket (2) is in contact with the side wall of the transducer mounting groove, and the elastic gasket (3) is in contact with the second protective sleeve (4); a first gasket (9) and an adjusting gasket (10) are arranged between the side wall of the other end of the transducer mounting groove and the first protective sleeve (8), the adjusting gasket (10) is in contact with the side wall of the transducer mounting groove, and the first gasket (9) is in contact with the first protective sleeve (8).
Furthermore, the cross section of the elastic gasket (3) along the radial direction is in a shape of Chinese character 'hui', the whole elastic gasket is in a circular arc shape, and the longitudinal section of the elastic gasket (3) along the axial direction is in a wave shape.
Preferably, the sum of the areas of the through holes is more than half of the surface area of the excircle of the piezoelectric ceramic transducer crystal in the piezoelectric ceramic transducer (5).
Preferably, a lining plate mounting groove is formed in the inner side of the transmitting transducer inner cover plate (6), a lead lining plate (7) is arranged in the lining plate mounting groove, the cross section of the lead lining plate (7) is in a circular arc shape, the lead lining plate (7) and the transmitting transducer inner cover plate (6) are coaxially arranged, and the position of the lead lining plate (7) corresponds to that of the piezoelectric ceramic transducer (5).
Preferably, the radian of the transmitting transducer outer cover plate (1) and the transmitting transducer inner cover plate (6) is the same.
The working method of the multipole transmitting transducer of the while-drilling multipole acoustic imaging logging instrument adopts a monopole working mode: the four transmitting transducers work in the same phase at the same time;
or, adopting a quadrupole working mode: two adjacent transmitting transducers in the four transmitting transducers work in opposite phases at the same time, and two opposite transmitting transducers work in the same phase.
Compared with the prior art, the invention has the following beneficial technical effects:
in the invention, a multipole transmitting transducer of the logging-while-drilling multipole acoustic imaging logging instrument is formed by 4 same transmitting transducers, in the construction of acoustic logging-while-drilling, a monopole radiating function and a quadrupole radiating function can be realized by controlling the working phases of two adjacent transmitting transducers, and when the two adjacent transmitting transducers work in the same phase, the monopole radiating function is realized; when two adjacent transmitting transducers work in opposite phase conditions, the quadrupole radiation function is realized. In the actual work of the instrument, monopole radiation and quadrupole radiation are alternately carried out, so that longitudinal waves and transverse waves of the stratum can be effectively excited, and the purpose of multi-dipole acoustic logging while drilling is achieved.
Furthermore, a first gasket is arranged between one end of the piezoelectric ceramic transducer with the lead and the upper end of the upper cover plate, and an elastic gasket is arranged between the first gasket and the piezoelectric ceramic transducer; and a second gasket is arranged between one end of the non-lead wire and the lower end of the upper cover plate, and an adjusting gasket is arranged between the second gasket and the piezoelectric ceramic transducer, so that the piezoelectric ceramic transducer is always in a central position in the upper cover plate. On one hand, the piezoelectric ceramic transducer can be fixed, and on the other hand, the piezoelectric ceramic transducer cannot be clamped, so that the piezoelectric ceramic transducer is in a free motion state within a certain range.
Furthermore, the cross section of the elastic gasket along the radial direction is in a shape of a Chinese character 'hui', the elastic gasket is integrally arc-shaped, the elastic gasket is in a wave shape along the axial longitudinal section, the structure can ensure the consistency of the elastic gasket to the maximum extent, the contact area with the piezoelectric ceramic transducer is reduced as much as possible, and the piezoelectric ceramic transducer is ensured not to be clamped.
Furthermore, the lead acoustic impedance is large and is a strong acoustic attenuation substance, and the lead lining plate can effectively attenuate the acoustic energy close to one side of the drill collar when the transducer transmits, so that the propagation of acoustic signals along the drill collar is reduced.
Drawings
FIG. 1: is a schematic diagram of the combined monopole working mode;
FIG. 2: is a schematic diagram of the combined quadrupole working mode;
in the figure, the arrows indicate the vibration phase state, the same direction of the arrows indicates the same vibration phase direction, and the opposite direction of the arrows indicates the opposite vibration phase.
FIG. 3: is a cross-sectional view of a single transmitting transducer according to the invention along the axial direction;
FIG. 4: is a section view of a single transmitting transducer according to the invention in the radial direction, i.e. in the direction P-P in fig. 3;
FIG. 5: is a cross-sectional view of a single transmitting transducer according to the present invention in the radial direction, i.e., a cross-sectional view taken along the direction Q-Q in fig. 3;
FIG. 6: is a schematic view of a first protective sheath of the present invention; (a) is a front view, and (b) is a top view;
FIG. 7: is a schematic view of a second protective cover of the present invention; (a) is a front view, and (b) is a top view;
FIG. 8: is a schematic view of the adjusting shim of the present invention; (a) is a front view, and (b) is a top view;
FIG. 9: is a schematic view of the elastic gasket of the present invention; (a) a sectional view taken along the axial direction, (b) a sectional view taken along the radial direction;
FIG. 10: is a schematic diagram of the outer cover plate of the transmitting transducer of the invention;
FIG. 11: is a schematic diagram of an inner cover plate of the transmitting transducer of the invention;
FIG. 12: is a schematic view of the lead lining plate of the invention;
in the figure: the device comprises a transmitting transducer outer cover plate 1, a second gasket 2, an elastic gasket 3, a second protective sleeve 4, a piezoelectric ceramic transducer 5, a transmitting transducer inner cover plate 6, a lead lining plate 7, a first protective sleeve 8, a first gasket 9, an adjusting gasket 10, a lead filling sleeve 11 and an M4 multiplied by 12 hexagon socket head cap screw 12.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
As shown in fig. 3, the multipole transmitting transducer of the logging while drilling multipole acoustic imaging tool according to the present invention is formed by combining four identical transmitting transducers, and a single transmitting transducer includes an outer transmitting transducer cover plate 1, a second gasket 2, an elastic gasket 3, a second protective sleeve 4, a piezoelectric ceramic transducer 5, an inner transmitting transducer cover plate 6, a lead lining plate 7, a first protective sleeve 8, a first gasket 9, an adjusting gasket 10, and M4 × 12 hexagon socket head cap screws 12.
As shown in fig. 5, 10 and 11, the cross sections of the transmitting transducer outer cover plate 1 and the transmitting transducer inner cover plate 6 are both arc-shaped, and the two are coaxially arranged and have the same radian. The piezoelectric ceramic transducer 5 is a piezoelectric ceramic transducer crystal which is sealed and wrapped by epoxy resin, the shape of the piezoelectric ceramic transducer crystal is arc, the radian of the piezoelectric ceramic transducer crystal is the same as that of the transmitting transducer outer cover plate 1 and the transmitting transducer inner cover plate 6, and the piezoelectric ceramic transducer 5, the transmitting transducer outer cover plate 1 and the transmitting transducer inner cover plate 6 are coaxially arranged. As shown in fig. 3, a transducer mounting groove is formed in the inner side of the transmitting transducer outer cover plate 1, the piezoelectric ceramic transducer 5 is mounted in the transducer mounting groove, a first protective sleeve 8 is mounted at one end of the piezoelectric ceramic transducer 5, and a second protective sleeve 4 is mounted at the other end of the piezoelectric ceramic transducer 5. The first protective sleeve 8 and the second protective sleeve 4 are made of hydrogenated butyronitrile. The first protective sheath 8 and the second protective sheath 4 are both configured as shown in fig. 6 and 7, respectively, in the shape of a circular arc.
As shown in FIG. 3, a second gasket 2 and an elastic gasket 3 are arranged between one end side wall of the transducer mounting groove and a second protective sleeve 4, the second gasket 2 is contacted with the side wall of the transducer mounting groove, and the elastic gasket 3 is contacted with the second protective sleeve 4. A first gasket 9 and an adjusting gasket 10 are arranged between the side wall of the other end of the transducer mounting groove and the first protective sleeve 8, the adjusting gasket 10 is in contact with the side wall of the transducer mounting groove, and the first gasket 9 is in contact with the first protective sleeve 8. Fig. 8 shows a schematic structural view of the adjustment shim 10, which is a circular arc structure.
As shown in fig. 9, the cross section of the elastic gasket 3 along the radial direction is in a shape of Chinese character 'hui', the whole elastic gasket is in a circular arc shape, and the longitudinal section of the elastic gasket along the axial direction is in a wave shape.
The transmitting transducer outer cover plate 1 is provided with a wire groove, and a lead of the piezoelectric ceramic transducer 5 is led out from the wire groove.
A plurality of through holes are processed in the mounting position of the piezoelectric ceramic transducer 5, namely the bottom of the transducer mounting groove, of the transmitting transducer outer cover plate 1, and the sum of the areas of the through holes is larger than half of the surface area of the excircle of the piezoelectric ceramic transducer crystal, so that the sound wave of the piezoelectric ceramic transducer 5 can be sent out outwards.
As shown in fig. 12, the cross-sectional shape of the lead lining plate 7 in the radial direction is a circular arc, the radian of which is the same as that of the transmitting transducer inner cover plate 6, and the lead lining plate is arranged coaxially with the transmitting transducer inner cover plate 6. 6 inboards are provided with the welt mounting groove in the transmitting transducer, and the size of plumbous welt 7 cooperates with the size of welt mounting groove, and plumbous welt 7 is installed in the welt mounting groove, and plumbous welt 7 forms a whole with transmitting transducer inner decking 6 after having installed. The position of the lead lining plate 7 corresponds to that of the piezoelectric ceramic transducer 5, the lead acoustic impedance is large and is a strong sound attenuation substance, and the lead lining plate can effectively attenuate the sound energy close to one side of the drill collar when the transducer transmits, so that the propagation of sound wave signals along the drill collar is reduced.
The transmitting transducer inner cover plate 6 is connected with the transmitting transducer outer cover plate 1 into a whole by using M4 multiplied by 12 hexagon socket head cap screws 12, and the transmitting transducer inner cover plate 6 is positioned at the inner side of the transmitting transducer outer cover plate 1 to form a transmitting transducer.
A plurality of same transmitting transducers are arranged and combined along the circumferential direction to form a cylindrical structure, namely, the complete multipole transmitting transducer of the logging-while-drilling multipole acoustic imaging logging instrument.
The installation mode of the multipole transmitting transducer of the while-drilling multipole acoustic imaging logging instrument comprises the following steps:
1. installing a first protective sleeve 8 and a second protective sleeve 4 at two ends of a piezoelectric ceramic transducer 5 sealed by epoxy resin;
2. installing the piezoelectric ceramic transducer 5 which is provided with the protective sleeve and sealed by epoxy resin into a transducer installation groove of an outer cover plate 1 of the transmitting transducer, and leading out a lead of the piezoelectric ceramic transducer 5 from a lead groove;
3. install first gasket 9, second gasket 2 and adjusting shim 10 to the 5 both ends of installing the piezoelectric ceramic transducer that seals with epoxy of protective sheath, guarantee with the piezoelectric ceramic transducer 5 that epoxy seals at the outer apron 1 of transmitting transducer placed in the middle, thereby install elastic gasket 3 simultaneously and guarantee that the transmitting transducer can not produce longitudinal movement in the outer apron 1 inslot of transmitting transducer.
4. And fixing the transmitting transducer inner cover plate 6 provided with the lead lining plate 7 on the transmitting transducer outer cover plate 1 by using M4 multiplied by 12 hexagon socket head cap screws to form the complete transmitting transducer of the logging instrument for acoustic imaging while drilling multipole.
5. A plurality of identical transmitting transducers are arranged and combined in the circumferential direction to form a complete multipole transmitting transducer of the logging instrument for sound wave imaging of the multi-pole while drilling, the combined multipole transmitting transducer is cylindrical, and the diameter range of the circumscribed circle of the multipole transmitting transducer after combination ranges from 171 mm to 178 mm.
The well-debugged multipole transmitting transducer of the logging-while-drilling multipole acoustic wave imaging logging instrument is fixed in a mounting groove of the multipole transmitting transducer of the logging-while-drilling multipole acoustic wave imaging logging instrument on a drill collar by using an M8 multiplied by 24 bolt provided with a lead filling sleeve 11, as shown in FIG. 4. The lead filling sleeve can reduce the transmission of sound waves to the drill collar along the bolt.
The multipole transmitting transducer is tested, the peak value of the working frequency, the bandwidth and the transmitting energy are consistent, and the actual use requirement is met.
The multipole transmitting transducer of the present invention can adopt two modes of operation:
1. monopole mode of operation: 4 transmitting transducers work in the same phase at the same time, the equivalent vibration is a circular tube, the working bandwidth is 1 kHz-20 kHz, and the working frequency peak value is 13 kHz; as shown in fig. 1.
2. A quadrupole working mode: two adjacent transmitting transducers in the 4 transmitting transducers work in an opposite phase at the same time, the two opposite transmitting transducers work in the same phase, the working bandwidth is 1.5 kHz-20 kHz, and the working frequency peak value is 3.5kHz, as shown in figure 2.
Claims (6)
1. A multi-pole transmitting transducer of a multi-pole acoustic imaging logging instrument while drilling is characterized by comprising four transmitting transducers, wherein each transmitting transducer comprises a transmitting transducer outer cover plate (1), a piezoelectric ceramic transducer (5) and a transmitting transducer inner cover plate (6);
the cross sections of the transmitting transducer outer cover plate (1), the piezoelectric ceramic transducer (5) and the transmitting transducer inner cover plate (6) are arc-shaped, and the transmitting transducer outer cover plate (1), the piezoelectric ceramic transducer (5) and the transmitting transducer inner cover plate (6) are coaxially arranged;
the inner side of the transmitting transducer outer cover plate (1) is provided with a transducer mounting groove, the piezoelectric ceramic transducer (5) is mounted in the transducer mounting groove, and the transmitting transducer inner cover plate (6) is arranged on the inner side of the transmitting transducer outer cover plate (1) and is fixedly connected with the transmitting transducer outer cover plate (1); the transmitting transducer outer cover plate (1) is provided with a plurality of through holes at the mounting position of the piezoelectric ceramic transducer (5);
the four transmitting transducers are arranged and connected together along the circumferential direction to form a cylindrical multi-pole transmitting transducer of the logging instrument for acoustic wave imaging while drilling;
one end of the piezoelectric ceramic transducer (5) is provided with a first protective sleeve (8), and the other end is provided with a second protective sleeve (4);
a second gasket (2) and an elastic gasket (3) are arranged between the side wall of one end of the transducer mounting groove and the second protective sleeve (4), the second gasket (2) is in contact with the side wall of the transducer mounting groove, and the elastic gasket (3) is in contact with the second protective sleeve (4); a first gasket (9) and an adjusting gasket (10) are arranged between the side wall of the other end of the transducer mounting groove and the first protective sleeve (8), the adjusting gasket (10) is in contact with the side wall of the transducer mounting groove, and the first gasket (9) is in contact with the first protective sleeve (8);
the cross section of the elastic gasket (3) along the radial direction is in a shape of Chinese character 'hui', the whole elastic gasket is in an arc shape, and the longitudinal section of the elastic gasket (3) along the axial direction is in a wave shape;
the inner side of the transmitting transducer inner cover plate (6) is provided with a lining plate mounting groove, a lead lining plate (7) is arranged in the lining plate mounting groove, the cross section of the lead lining plate (7) is arc-shaped, the lead lining plate (7) and the transmitting transducer inner cover plate (6) are coaxially arranged, and the lead lining plate (7) corresponds to the piezoelectric ceramic transducer (5).
2. The multipole transmitting transducer of the while-drilling multipole acoustic imaging logging tool according to claim 1, wherein a wire groove is formed in the outer cover plate (1) of the transmitting transducer, and a lead of the piezoelectric ceramic transducer (5) is led out from the wire groove.
3. The multipole transmitting transducer of the while-drilling multipole acoustic imaging logging tool according to claim 1, wherein the piezoelectric ceramic transducer (5) is obtained by hermetically encapsulating a crystal of the piezoelectric ceramic transducer with epoxy resin.
4. The multipole transmitting transducer of the while-drilling multipole acoustic imaging logging tool according to claim 1, wherein the sum of the areas of the through holes is greater than half of the surface area of the outer circumference of a crystal of a piezoelectric ceramic transducer in the piezoelectric ceramic transducer (5).
5. The multipole transmitting transducer of the while-drilling multipole acoustic imaging logging tool according to claim 1, wherein the radians of the transmitting transducer outer cover plate (1) and the transmitting transducer inner cover plate (6) are the same.
6. The method for operating the multipole transmitting transducer of the while-drilling multipole acoustic imaging logging tool as recited in claim 1, wherein a monopole operating mode is adopted: the four transmitting transducers work in the same phase at the same time;
or, adopting a quadrupole working mode: two adjacent transmitting transducers in the four transmitting transducers work in opposite phases at the same time, and two opposite transmitting transducers work in the same phase.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010082836.6A CN111257944B (en) | 2020-02-07 | 2020-02-07 | Multipole transmitting transducer of while-drilling multipole acoustic imaging logging instrument and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010082836.6A CN111257944B (en) | 2020-02-07 | 2020-02-07 | Multipole transmitting transducer of while-drilling multipole acoustic imaging logging instrument and working method thereof |
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| Publication Number | Publication Date |
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| CN111257944A CN111257944A (en) | 2020-06-09 |
| CN111257944B true CN111257944B (en) | 2022-08-30 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814664A (en) * | 2021-01-07 | 2021-05-18 | 中国石油天然气集团有限公司 | While-drilling sound wave quadrupole emission probe |
| CN113503157B (en) * | 2021-07-23 | 2022-04-05 | 中国科学院地质与地球物理研究所 | While-drilling transmitting transducer system in high-power polarized transmitting mode and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200979601Y (en) * | 2006-08-23 | 2007-11-21 | 中国石油天然气集团公司 | A four-pole acoustic transmitting transducer |
| CN107542455A (en) * | 2016-06-24 | 2018-01-05 | 中石化石油工程技术服务有限公司 | A kind of acoustic logging-while-drillidevice device |
| CN108643893A (en) * | 2018-05-09 | 2018-10-12 | 中国科学院地质与地球物理研究所 | One kind is with brill orientation acoustic imaging well logging apparatus |
| CN109707374A (en) * | 2019-02-27 | 2019-05-03 | 中国海洋石油集团有限公司 | One kind is with brill acoustic wave transducer and with brill instrument drill collar |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7207397B2 (en) * | 2003-09-30 | 2007-04-24 | Schlumberger Technology Corporation | Multi-pole transmitter source |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200979601Y (en) * | 2006-08-23 | 2007-11-21 | 中国石油天然气集团公司 | A four-pole acoustic transmitting transducer |
| CN107542455A (en) * | 2016-06-24 | 2018-01-05 | 中石化石油工程技术服务有限公司 | A kind of acoustic logging-while-drillidevice device |
| CN108643893A (en) * | 2018-05-09 | 2018-10-12 | 中国科学院地质与地球物理研究所 | One kind is with brill orientation acoustic imaging well logging apparatus |
| CN109707374A (en) * | 2019-02-27 | 2019-05-03 | 中国海洋石油集团有限公司 | One kind is with brill acoustic wave transducer and with brill instrument drill collar |
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