CN105158805B - The phased orientation receive transducer mounting structure of acoustic logging - Google Patents
The phased orientation receive transducer mounting structure of acoustic logging Download PDFInfo
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- CN105158805B CN105158805B CN201510489759.5A CN201510489759A CN105158805B CN 105158805 B CN105158805 B CN 105158805B CN 201510489759 A CN201510489759 A CN 201510489759A CN 105158805 B CN105158805 B CN 105158805B
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- mounting bracket
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- acoustic logging
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Abstract
The invention provides a kind of phased orientation receive transducer mounting structure of acoustic logging, it includes at least one receive transducer support, each receive transducer support includes first paragraph, second segment and be connected between first paragraph and second segment the 3rd section, first paragraph and second segment are equipped with mounting bracket, cushion and resilient sleeve, mounting bracket is cylindrical, its lateral wall is concavely provided with multiple grooves for being respectively used to accommodating receive transducer, multiple grooves are arranged at intervals and are uniformly distributed along the circumference of mounting bracket, so that the multiple receive transducers being installed in groove constitute receive transducer group；Cushion has the shape with matching grooves, is located at padding between groove and receive transducer；Resilient sleeve is used to be sheathed on outside receive transducer group.The receive transducer of energy mounted array of the invention, is easy to detect signal, can be achieved to detect the three-dimensional information on stratum, enables receive transducer free vibration, improves the accuracy of measurement, and with the effectiveness in vibration suppression that insulates against sound.
Description
Technical field
The present invention relates to acoustic logging field, especially a kind of phased orientation of acoustic logging for orientation acoustic logging instrument
Receive transducer mounting structure.
Background technology
With the difficulty increase of oil-gas exploration and development and the requirement more and more higher to surveying accuracy, an urgent demand exploitation has
The acoustic logging instrument of three-dimensional detection function.Orientation sound wave phased scanning e measurement technology can be realized to enter the three-dimensional information on stratum
Row detection, can not only be passed through with crack by detecting shaft or interface developmental state with the specific orientation of geologic body outside detecting shaft
Three-dimensional display mode, accurate geological information is provided for geologist, is perforation positioning, sidetracking positioning, later stage acid fracturing etc.
Engineering construction design provides strong support, and new technological means is provided to solve complex reservoir logging evaluation.
Phased orientation receive transducer is the crucial component parts of orientation sound wave phased scanning measuring instrument, for stratum
Three-dimensional information is detected, it is necessary to design a kind of mounting structure of the phased orientation receive transducer group of array arrangement.
The content of the invention
It is an object of the invention to provide a kind of phased orientation receive transducer mounting structure of acoustic logging, for mounted array
The phased orientation receive transducer group changed.
To reach above-mentioned purpose, the present invention proposes a kind of phased orientation receive transducer mounting structure of acoustic logging, and it is wrapped
At least one receive transducer support is included, each receive transducer support includes first paragraph, second segment and is connected to institute
The 3rd section between first paragraph and the second segment is stated, the first paragraph and the second segment include：Mounting bracket, in cylinder
Shape, the lateral wall of the mounting bracket is concavely provided with multiple grooves for being respectively used to house the receive transducer, multiple described recessed
Groove is arranged at intervals and is uniformly distributed along the circumference of the mounting bracket, so as to be installed on multiple reception transducings in the groove
Device constitutes receive transducer group；Cushion, with the shape with the matching grooves, the groove and the reception are located to pad
Between transducer；Resilient sleeve, for being sheathed on outside the receive transducer group.
The phased orientation receive transducer mounting structure of acoustic logging as described above, wherein, the first paragraph and described the
Two sections be symmetricly set on described 3rd section two ends, the first paragraph and the second segment also include installing plate, the installation
Plate is connected to remote described 3rd section one end of the mounting bracket, and be arranged at intervals with the mounting bracket, and the groove is leaned on
Nearly described 3rd section one end is blind end, and remote described 3rd section one end of the groove is openend, and the reception is changed
One end of energy device is located at the openend, the receive transducer against the blind end, the other end of the receive transducer
The other end and the installing plate between connected by connecting rod.
The phased orientation receive transducer mounting structure of acoustic logging as described above, wherein, the first paragraph and described the
Two sections also include lead cylinder, and the lead cylinder is connected between the installing plate and the corresponding mounting bracket, the lead
The circumference of cylinder offers the perforate passed through for the signal wire of the receive transducer.
The phased orientation receive transducer mounting structure of acoustic logging as described above, wherein, the first paragraph and described the
Two sections also include the first damping block, and first damping block is fixed in the centre bore of the mounting bracket, and pacify described in contact
The madial wall shelved.
The phased orientation receive transducer mounting structure of acoustic logging as described above, wherein, the cushion is fluorubber
Pad, the resilient sleeve is fluorubber apron.
The phased orientation receive transducer mounting structure of acoustic logging as described above, wherein, described 3rd section includes：Isolation
Between beam, the mounting bracket for being connected to the mounting bracket of the first paragraph and the second segment；Second damping block, is fixed on the isolation
Liang Shang；Sheath, is sheathed on outside second damping block.Latten(-tin), the latten(-tin) is fixed in the isolation beams, and positioned at institute
State in sheath.
The phased orientation receive transducer mounting structure of acoustic logging as described above, wherein, the receive transducer is installed
Structure includes the receive transducer group more than two, and the receive transducer group is equidistantly arranged successively.
The phased orientation receive transducer mounting structure of acoustic logging as described above, wherein, the receive transducer is installed
Structure includes receive transducer support described in two or more, and receive transducer support is sequentially connected vertically described in two or more,
Be flexibly connected or be flexible coupling between receive transducer support described in adjacent two, and receive transducer support described in adjacent two it
Between it is circumferentially fixed.
The phased orientation receive transducer mounting structure of acoustic logging as described above, wherein, receive and change described in adjacent two
It can be connected between device support by nonmetallic adapter sleeve, the madial wall of the nonmetallic adapter sleeve and the receive transducer support
Between be also arranged with fluorubber set.
The phased orientation receive transducer mounting structure of acoustic logging as described above, wherein, the nonmetallic adapter sleeve
Two ends are respectively provided with the annular protrusion protruded out radially inward, and the two ends of the receive transducer support are equipped with for the convex annular
The annular caulking groove of portion's insertion, the both ends of the surface of the nonmetallic adapter sleeve have protruded out projection respectively in axial direction, and the annular caulking groove is leaned on
The side wall of the nearly mounting bracket is provided with the anti-rotation groove being embedded in for the projection.
The characteristics of acoustic logging phased orientation receive transducer mounting structure of the present invention and advantage are：
1st, the phased orientation receive transducer mounting structure of acoustic logging of the invention, by setting columnar mounting bracket,
And multiple grooves are opened up on the periphery wall of mounting bracket, the installation of multiple receive transducers of array is realized, consequently facilitating inspection
Measure signal, and be easy to determine circumferential orientation in detection, by setting cushion between groove and receive transducer, and
Resilient sleeve is arranged outside receive transducer group, achieves a butt joint and receives the soft fixation of transducer, the free vibration of receive transducer is not influenceed,
Receive transducer is obtained the preferable vibration shape and amplitude in detection, improve the sensitivity of receive transducer, it is ensured that measurement is accurate
Property.
2nd, the phased orientation receive transducer mounting structure of acoustic logging of the invention, using multiple receive transducer support strings
The form that joint group is closed, is easy to the number of the receive transducer support of selection series connection as needed, and flexible structure is easy to use, and
And using being flexible coupling and circumferentially fixed connected mode between two adjacent receive transducer supports, it is easy to sound insulation and vibration damping.
3rd, the phased orientation receive transducer mounting structure of acoustic logging of the invention, is equipped with the inside of receive transducer group
First damping block, is additionally provided with the second damping block, good damping result is further ensured that and connect between two adjacent receive transducer groups
Transducer steady operation is received, the accuracy of measurement is improved, while also contributing to the bulk strength of mounting structure.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the schematic perspective view of the phased orientation receive transducer mounting structure of acoustic logging of the present invention；
Fig. 2 is the sectional view of the phased orientation receive transducer mounting structure of acoustic logging of the present invention；
Fig. 3 is the schematic perspective view of receive transducer support in the present invention；
Fig. 4 is the schematic perspective view of the non-mounting strap of receive transducer support in the present invention；
Fig. 5 is the sectional view of receive transducer support in the present invention；
Fig. 6 is the sectional view along line A-A in Fig. 2；
Fig. 7 is the sectional view along line B-B in Fig. 2.
Main element label declaration：
1 receive transducer support
The second segment of 11 first paragraph 12
111 mounting brackets
The annular caulking groove of 1111 groove 1112
The resilient sleeve of 112 cushion 113
The binding post of 114 installing plate 115
The lead of 116 connecting rod 117 cylinder
118 first damping blocks
The 119 annular anti-rotation grooves of caulking groove 1191
13 the 3rd sections
The damping block of 131 isolation beams 132 second
The latten(-tin) of 133 sheath 134
The breach of 135 jump ring 136
2 receive transducers
3 nonmetallic adapter sleeves
The projection of 31 annular protrusion 32
33 jump rings
4 fluorubber sets
Embodiment
In order to which technical characteristic, purpose and effect to the present invention are more clearly understood from, now control illustrates this hair
Bright embodiment.
As shown in Figure 1 and Figure 2, the present invention provides a kind of phased orientation receive transducer mounting structure of acoustic logging, and it includes
At least one receive transducer support 1, each receive transducer support 1 includes first paragraph 11, second segment 12 and is connected to the
The 3rd section 13 between one section 11 and second segment 12, first paragraph 11 and second segment 12 include mounting bracket 111, the and of cushion 112
Resilient sleeve 113, mounting bracket 111 is cylindrical, and the lateral wall of mounting bracket 111, which is concavely provided with, multiple to be respectively used to accommodating receive transducing
The groove 1111 of device 2, the quantity of groove is, for example, 8, and multiple grooves 1111 are arranged at intervals and along the circumferencial direction of mounting bracket 111
It is uniformly distributed, so that the multiple receive transducers 2 being respectively arranged in groove 1111 constitute the array being uniformly distributed circumferentially
Circumferential receptacle transducer group, when by making receive transducer array, can be easy to detect signal, and then be easy to the underground to detect
Determination to circumferential orientation；Cushion 112 is, for example, fluorubber pad, with the shape matched with groove 1111, is located at pad recessed
Between groove 1111 and receive transducer 2, the cushion 112 flexible by setting enables receive transducer 2 in groove 1111
Middle free vibration, without being constrained by fixed structure, makes receive transducer 2 obtain preferable amplitude when there is energy-activation and shake
Type, improves sensitivity and the measurement accuracy of receive transducer 2；Resilient sleeve 113 is, for example, fluorubber apron, is connect for being sheathed on
Receive outside transducer group, receive transducer 2 can be securely fixed, and do not influence its free vibration, to avoid resilient sleeve 113 or so
Play, resilient sleeve 113 is embedded in mounting bracket, for example, open up the annular caulking groove across each groove 1111 along the circumference of mounting bracket
1112, resilient sleeve is embedded in the annular caulking groove 1112.
The phased orientation receive transducer mounting structure of acoustic logging of the present invention, is the crucial composition portion of acoustic logging instrument
Point, the receive transducer group of its energy mounted array, consequently facilitating detecting signal, can be achieved to carry out the three-dimensional information on stratum
Detection, the soft fixation of transducer is received by setting cushion and resilient sleeve to achieve a butt joint, so that receive transducer energy free vibration,
Improve sensitivity and the measurement accuracy of receive transducer.
As shown in Fig. 2, Fig. 6, in a preferred embodiment, first paragraph 11 and second segment 12 also include the first vibration damping
Plate 118, the first damping block 118 is fixed in the centre bore of mounting bracket 111, and the madial wall of contact mounting bracket 111, the first vibration damping
Plate 118 plays damping effect by increasing integrally-built damping (consumption vibrational energy) to receiving transducer mount 1, also simultaneously
It is favorably improved the steadiness and intensity of structure.First damping block 118 is for example square, flexible, such as by fluorubber material
Material is made, and the surface of the first damping block has projection, is fixed on by interference fit in the centre bore of mounting bracket, the first damping block
For example, 4 pieces, surrounded successively in 90 degree.
As shown in Figures 3 to 5, in a specific embodiment, first paragraph 11 and second segment 12 are symmetricly set on the 3rd section
13 two ends, first paragraph 11 and second segment 12 also include installing plate 114, installing plate 114 be connected to mounting bracket 111 away from the
Three section 13 one end, and be arranged at intervals with mounting bracket 111, close 3rd section 13 one end of groove 1111 is blind end, groove
1111 away from the 3rd section 13 one end for openend, i.e. groove in open top, one end open it is dustpan-shaped, accordingly, bullet
Property pad 112 also in dustpan-shaped, insulation blocking can be carried out to the bottom and side of receive transducer 2, one end of receive transducer 2 is supported
By blind end, the other end of receive transducer 2 is located at openend, and is connected between installing plate 114 by copper wire connecting rod 116
Connect.
Wherein, because the other end of receive transducer is not against groove inner wall, also it is not fixed in groove, but pass through
Copper wire connecting rod is connected with installing plate, and copper wire connecting rod has certain pliability, so that receive transducer has in groove
There are enough amplitudes, its free vibration is not influenceed, be further ensured that the accuracy of receive transducer measurement, and if by receive transducer
Both ends or one end be directly anchored in groove, the vibration of receive transducer will necessarily receive certain constraint.In the present invention, pass through
Binding post, cushion and resilient sleeve are set, and each face for receiving transducer that achieves a butt joint can ensure that reception transducing using soft fixation
Device free vibration, improves measurement accuracy.
Specifically, installing plate 114 is in annular, and installing plate 114 and mounting bracket 111 be concentric, installing plate 114 with installation
Multiple binding posts 115 are circumferentially fixed with the relative end face of frame 111, binding post is, for example, king's word binding post, of binding post
Number is, for example, 16, and each two binding post one receive transducer 2 of correspondence, the other end of each receive transducer 2 is respectively provided with two
Individual earhole, a copper wire connecting rod 116, copper wire are connected between each binding post and an earhole of corresponding receive transducer
One end of connecting rod is welded with king's word binding post, and the other end of copper wire connecting rod and the earhole of receive transducer are welded.By setting
Binding post is put, is easily installed and dismantles.
As shown in figure 3, in a feasible technical scheme, first paragraph 11 and second segment 12 also include lead cylinder 117,
Lead cylinder 117 is connected between installing plate 114 and corresponding mounting bracket 111, and the circumference of lead cylinder 117 is offered for receiving transducing
The perforate that the signal wire of device 2 is passed through, the quantity of perforate is, for example, 8, is uniformly distributed along the circumferencial direction of lead cylinder, perforate is used for
Signal wire is introduced to the inside of receive transducer support, signal wire is played a protective role, also makes overall structure more succinct, tight
Gather.
As shown in Fig. 3, Fig. 4, Fig. 7, in another specific embodiment, the 3rd section 13 includes isolation beams 131, the second vibration damping
Plate 132, sheath 133 and latten(-tin) 134, isolation beams 131 are connected to the mounting bracket 111 of first paragraph 11 and the mounting bracket of second segment 12
Between, isolation beams 131 are, for example, two, and are additionally provided with breach 136 in isolation beams 131 with being spaced therebetween；Second vibration damping
Plate 132 is fixed in isolation beams 131, for receiving transducer mount vibration damping, being mainly the increase in integrally-built damping and (disappearing
Consume vibrational energy), the second damping block is square, and is manufactured by nonmetallic materials, for example, be made up of bakelite and/or fluorubber material,
There is multiple holes and multiple projections, the second damping block is, for example, multiple and stacks gradually on second damping block, adjacent second subtracts
It is screwed, is finally fixed on again by screw in two isolation beams 131 between vibration plate.
Sheath 133 is sheathed on outside the second damping block 132, for protecting the second damping block, for ease of installing, by sheath 133
It is set to cover make-ups by two semi-circular shape and is formed, two semi-circular shape sets is to being buckled in behind the both sides of isolation beams 131, then by steel wire card
Spring 135 is enclosed on outside two semicircular annular sleeve and is fixed, and sheath and the second damping block also there is certain sound insulation to act on, two semicircles
Annular sleeve is convexly equipped with the convex portion (as shown in Figure 3) that can be embedded in breach 136 on the side wall of make-up, by the way that convex portion is embedded in into breach
It is interior, the position of sheath is fixed, prevents sheath from moving or rotating；Latten(-tin) 134 is fixed in isolation beams 131, and positioned at sheath
In 133, the effect of latten(-tin) 134 is heat transfer, radiating, and receive transducer can be played a protective role, can be for a long time
Steady operation.
Again as shown in figure 1, in a preferred embodiment, receive transducer mounting structure includes two or more reception and changed
Energy device support 1, two or more receive transducer support 1 is sequentially connected vertically, soft between two adjacent receive transducer supports 1
Property connection, be flexible coupling or elastic connection, it is and circumferentially fixed between adjacent two receive transducer supports.The present invention is connect using multiple
The form of transducer mount tandem compound is received, is easy to the number of the receive transducer support of selection series connection as needed, it is and existing
Integral type receive transducer mounting structure compare, good damping result of the present invention, flexible structure is easily installed and used, may be used also
Avoid the vibration effect between adjacent reception transducer mount；By using flexible connection, not only with damping effect, also have
Sound insulation is acted on, and prevents sound wave from being propagated between receive transducer support and disturbing logging effect, is easy to detect signal；By by phase
Adjacent receive transducer support is circumferentially fixed, prevents it from relatively rotating, it is ensured that the accuracy of measurement, is easy to the standard in circumferential orientation
Determine.
As shown in Fig. 2 in a feasible technical scheme, non-gold is passed through between two adjacent receive transducer supports 1
Category adapter sleeve 3 is connected, and fluorubber set 4 is also arranged between the madial wall and receive transducer support 1 of nonmetallic adapter sleeve 3, with
Reduce the vibration effect between support, realized by nonmetallic adapter sleeve and fluorubber set between two receive transducer supports
It is flexibly connected or is flexible coupling.The material of nonmetallic adapter sleeve 3 is, for example, fiberglass, polyether-ether-ketone or polytetrafluoroethylene (PTFE) etc., due to
The material of nonmetallic adapter sleeve and the material velocity of sound parameter differences that fluorubber covers are big, can play good sound insulation effect, and have
Higher intensity, while the nonmetallic adapter sleeve 3 of non-metallic material can also reduce the interference of electric signal.
Specifically, the two ends of nonmetallic adapter sleeve 3 are respectively provided with the annular protrusion 31 protruded out radially inward, receive transducer
The two ends of support 1 are equipped with the annular caulking groove 119 being embedded in for annular protrusion 31, and the both ends of the surface of nonmetallic adapter sleeve 3 are respectively along axle
To projection 32 has been protruded outward, annular caulking groove 119 is provided with the anti-rotation groove being embedded in for projection 31 close to the side wall of mounting bracket 111
1191, another side wall upper cover of annular caulking groove 119 sets fluorubber set 4.By setting projection and anti-rotation groove, two receptions are realized
It is circumferentially fixed between transducer mount.In the present embodiment, installing plate 114 is the side wall of annular caulking groove, and anti-rotation groove 1191 is opened
On installing plate 114, projection 31 is embedded in after anti-rotation groove 1191 vertically, just can prevent two adjacent receive transducer support phases
To rotating.
For ease of installing, nonmetallic adapter sleeve 3 is also configured as to be formed by two semi-circular shape set make-ups, two semicircular rings
After shape set make-up, then wire circlip 33 is enclosed on outside two semicircular annular sleeve be fixed.
In the present embodiment, receive transducer mounting structure includes receive transducer group more than two, each receive transducer
The receive transducer along the circumferential direction array of group, when receive transducer mounting structure includes two or more receive transducer support 1
When, receive transducer mounting structure includes more than 4 groups receive transducer groups, multiple receive transducer group arrays, and connecing vertically
Transducer group is received equidistantly to arrange successively.
The receive transducer mounting structure of the present invention is used to be installed on orientation sound wave phased scanning measuring instrument, to the three of stratum
Dimension information is detected, and design synthesis of the invention considers the quantity of receive transducer, spacing, sound insulation, signal quality, damping
Deng many factors, the receive transducer array of formation can Accurate Determining formation information, be perforation positioning, sidetracking positioning, later stage acid
Change the engineering constructions such as pressure break design and provide strong technical support.
Schematical embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any
Those skilled in the art, the equivalent variations made on the premise of the design of the present invention and principle is not departed from and modification, all should
Belong to the scope of protection of the invention.And it should be noted that the present invention each part be not limited in above-mentioned entirety should
With each technical characteristic described in specification of the invention can select one individually to use or select multinomial according to actual needs
Combine and use, therefore, the present invention covers other combinations relevant with this case inventive point and concrete application in the nature of things.
Claims (9)
1. a kind of phased orientation receive transducer mounting structure of acoustic logging, it is characterised in that the phased orientation of acoustic logging
Receive transducer mounting structure includes at least one receive transducer support, and each receive transducer support includes first
Section, second segment and be connected between the first paragraph and the second segment the 3rd section, the first paragraph and the second segment are equal
Including：
Mounting bracket, cylindrical, the lateral wall of the mounting bracket, which is concavely provided with, multiple to be respectively used to house the receive transducer
Groove, multiple grooves are arranged at intervals and are uniformly distributed along the circumference of the mounting bracket, so as to be installed in the groove
Multiple receive transducers constitute receive transducer groups；
Cushion, with the shape with the matching grooves, is located between the groove and the receive transducer with padding；
Resilient sleeve, for being sheathed on outside the receive transducer group；
In first damping block, the centre bore for being fixed on the mounting bracket, and the madial wall of mounting bracket described in contact.
2. the phased orientation receive transducer mounting structure of acoustic logging as claimed in claim 1, it is characterised in that described first
Section and the second segment are symmetricly set on described 3rd section of two ends, and the first paragraph and the second segment also include installation
Plate, the installing plate is connected to remote described 3rd section one end of the mounting bracket, and is arranged at intervals with the mounting bracket, institute
Close described 3rd section one end for stating groove is blind end, and remote described 3rd section one end of the groove is openend,
One end of the receive transducer is against the blind end, and the other end of the receive transducer is located at the openend, described
Connected between the other end of receive transducer and the installing plate by connecting rod.
3. the phased orientation receive transducer mounting structure of acoustic logging as claimed in claim 2, it is characterised in that described first
Section and the second segment also include lead cylinder, lead cylinder be connected to the installing plate and the corresponding mounting bracket it
Between, the circumference of the lead cylinder offers the perforate passed through for the signal wire of the receive transducer.
4. the phased orientation receive transducer mounting structure of acoustic logging as claimed in claim 1, it is characterised in that the elasticity
Pad as fluorubber pad, the resilient sleeve is fluorubber apron.
5. the phased orientation receive transducer mounting structure of acoustic logging as claimed in claim 2, it is characterised in that the described 3rd
Section includes：
Between isolation beams, the mounting bracket for being connected to the mounting bracket of the first paragraph and the second segment；
Second damping block, is fixed in the isolation beams；
Sheath, is sheathed on outside second damping block；
Latten(-tin), the latten(-tin) is fixed in the isolation beams, and in the sheath.
6. the phased orientation receive transducer mounting structure of acoustic logging as claimed in claim 1, it is characterised in that the reception
Installing structure for transducer includes the receive transducer group more than two, and the receive transducer group is equidistantly arranged successively.
7. the phased orientation receive transducer mounting structure of acoustic logging as described in any one of claim 1 to 6, its feature exists
Include receive transducer support described in two or more in, the receive transducer mounting structure, transducing is received described in two or more
Device support is sequentially connected vertically, is flexibly connected between receive transducer support described in adjacent two, and is connect described in adjacent two
It is circumferentially fixed between receipts transducer mount.
8. the phased orientation receive transducer mounting structure of acoustic logging as claimed in claim 7, it is characterised in that adjacent two
Connected between the receive transducer support by nonmetallic adapter sleeve, the madial wall of the nonmetallic adapter sleeve is received with described
Fluorubber set is also arranged between transducer mount.
9. the phased orientation receive transducer mounting structure of acoustic logging as claimed in claim 8, it is characterised in that the non-gold
The two ends of category adapter sleeve are respectively provided with the annular protrusion protruded out radially inward, and the two ends of the receive transducer support are equipped with confession
The annular caulking groove of the annular protrusion insertion, the both ends of the surface of the nonmetallic adapter sleeve have protruded out projection respectively in axial direction, described
Annular caulking groove is provided with the anti-rotation groove being embedded in for the projection close to the side wall of the mounting bracket.
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| CN201510489759.5A CN105158805B (en) | 2015-08-11 | 2015-08-11 | The phased orientation receive transducer mounting structure of acoustic logging |
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| CN201510489759.5A CN105158805B (en) | 2015-08-11 | 2015-08-11 | The phased orientation receive transducer mounting structure of acoustic logging |
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| CN105158805B true CN105158805B (en) | 2017-10-27 |
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| 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 |
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| CN105158805A (en) | 2015-12-16 |
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