CN106837314A - A kind of acoustical well-logging devices and method - Google Patents
A kind of acoustical well-logging devices and method Download PDFInfo
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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
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Abstract
The application provides a kind of acoustical well-logging devices and method.Described device includes：Cell site's array, from being constituted to N number of cell site of arrangement along borehole axis to be measured, N >=2；Receiving station's array, is arranged at cell site's array both sides, and from being constituted to 2M receiving station of arrangement along borehole axis to be measured, the both sides respectively set M receiving station, M >=1 to receiving station's array.Using each embodiment in the application, degree of covering can be improved, effectively compacting interference ripple, obtain more accurately reflection sound wave data.
Description
Technical field
The application is related to technical field of geophysical exploration, more particularly to a kind of acoustical well-logging devices and method.
Background technology
During oil-gas exploration is carried out, the accurate geological structure for grasping oil and gas reservoir is highly important.In recent years
The acoustic logging based on sound reflecting imaging of development is using the signal acquisition mode and processing method for being similar to surface seismic, profit
With the reflection sound wave recorded in array sonic log, the outer geological structure of well is imaged.This method can detect horizontal well
And the occurrence with wellbores stratum, identification well side slit band, judge reservoir hydrocarbons interface, and surface seismic cannot be detected
Little structure be imaged, therefore be widely used.
But, in existing acoustic logging method, due to being limited by underground work condition, existing acoustical well-logging devices
In the receiver number that can set it is less, cause degree of covering less.For complicated geological structure, degree of covering is less,
Interference ripple just cannot be effectively suppressed, it is relatively low which results in the reflection sound wave the data precision for obtaining, using the reflected sound
Wave number is also just relatively low according to the reliability for carrying out the log data obtained by reflection sound wave imaging.
At least there are the following problems in the prior art：Because receiver number is limited, cause degree of covering less, it is impossible to have
Effect compacting interference ripple, causes the reflection sound wave the data precision for obtaining relatively low, and then cause the reliability of log data relatively low.
The content of the invention
The purpose of the embodiment of the present application is to provide a kind of acoustical well-logging devices and method, to improve degree of covering, effectively presses
System interference ripple, obtains degree of accuracy reflection sound wave data higher, and then can obtain more reliable log data.
What a kind of acoustical well-logging devices and method that the embodiment of the present application is provided were realized in：
A kind of acoustical well-logging devices, described device includes：
Cell site's array, for launching sound wave, from being constituted to N number of cell site of arrangement along borehole axis to be measured, N >=2；
Receiving station's array, for receiving reflection sound wave, is arranged at cell site's array both sides, receiving station's array by
Constituted to 2M receiving station of arrangement along borehole axis to be measured, the both sides respectively set M receiving station, M >=1.
In preferred embodiment, the structure of N number of cell site uses same default emitter structures, and the 2M connects
The structure for receiving station uses same default receiver architecture.
In preferred embodiment, the structure of the 2M receiving station uses the receiver matched with the structure of the cell site
Structure.
In preferred embodiment, the arrangement mode of N number of cell site includes：
The spacing at each two adjacent transmission station in N number of cell site is equal, and the spacing is equal to the M receiving station
Span.
In preferred embodiment, the arrangement mode of the M receiving station includes：
The receiving station of the both sides is symmetrical on the array center of cell site, each two phase in the M receiving station
The spacing of adjacent receiving station uses equal default spacing.
A kind of method that acoustic logging is carried out using described device, methods described is included：
By Shang Ti cell sites array, each cell site in cell site's array is made successively by depth to be measured position
Put；
When described each cell site is by the depth location to be measured, acoustic emission is carried out, produce reflection sound wave；
The reflection sound wave is received using the receiving station in receiving station's array, reflection sound wave data are obtained.
In preferred embodiment, methods described also includes：
Using the reflection sound wave data, reflection sound wave imaging is carried out, obtain the log data of near-borehole formation to be logged well.
A kind of acoustical well-logging devices, described device includes：
Receiving station's array, for receiving reflection sound wave, from being constituted to N number of receiving station of arrangement along borehole axis to be measured, N >=2；
Cell site's array, for launching sound wave, is arranged at the both sides of receiving station's array, and cell site's array is by edge
Borehole axis to be measured to be constituted to 2M cell site of arrangement, the both sides respectively set M cell site, M >=1.
In preferred embodiment, the structure of N number of receiving station uses same default receiver architecture, the 2M hair
Penetrate station and use same default emitter structures.
In preferred embodiment, the structure of N number of receiving station uses the receiver matched with the structure of the cell site
Structure.
In preferred embodiment, the arrangement mode of N number of receiving station includes：
The spacing at each two adjacent reception station in N number of receiving station uses equal default spacing.
In preferred embodiment, the arrangement mode of the M cell site includes：
The cell site of the both sides is symmetrical on the array center of receiving station, each two phase in the M cell site
The spacing of adjacent cell site is equal, and the spacing is equal to the span of N number of receiving station.
A kind of method that acoustic logging is carried out using described device, methods described is included：
By Shang Ti cell sites array, each cell site in cell site's array is made successively by depth to be measured position
Put；
When described each cell site is by the depth location to be measured, acoustic emission is carried out, produce reflection sound wave；
The reflection sound wave is received using the receiving station in receiving station's array, reflection sound wave data are obtained.
In preferred embodiment, methods described also includes：
Using the reflection sound wave data, reflection sound wave imaging is carried out, obtain the log data of near-borehole formation to be logged well.
A kind of acoustical well-logging devices provided using the embodiment of the present application, during described device above to be carried well logging,
Due to there is cell site's array (including at least two cell sites), the depth location same to be measured in waiting to log well can be multiple
Transmitting sound wave.So, each receiving station can just receive the multiple reflections sound wave at the depth location to be measured, equivalent to connecing
The number for receiving station is improved, and need not so increase the number of receiving station, it is possible to effectively improve degree of covering, so that effectively
Compacting interference ripple, obtains more accurately reflection sound wave data, finally gives more reliable log data.Using the embodiment of the present application
A kind of method that acoustic logging is carried out using described device for providing, it is possible to use described device, carries out acoustic logging, obtains more
Reliable log data.
Brief description of the drawings
In order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, are not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of modular structure schematic diagram of acoustical well-logging devices that the application one embodiment is provided；
Fig. 2 is a kind of distribution schematic diagram of acoustical well-logging devices that the application one embodiment is provided；
Fig. 3 is a kind of equivalent effect figure of acoustical well-logging devices that the application one embodiment is provided；
Fig. 4 is a kind of stream of method that acoustic logging is carried out using Fig. 1 described devices that the application one embodiment is provided
Journey schematic diagram；
Fig. 5 is a kind of method that acoustic logging is carried out using Fig. 1 described devices of the application another embodiment offer
Schematic flow sheet.
Fig. 6 is a kind of modular structure schematic diagram of acoustical well-logging devices of the application another embodiment offer；
Fig. 7 is a kind of distribution schematic diagram of acoustical well-logging devices of the application another embodiment offer；
Fig. 8 is a kind of method that acoustic logging is carried out using Fig. 6 described devices of the application another embodiment offer
Schematic flow sheet；
Fig. 9 is a kind of stream of method that acoustic logging is carried out using Fig. 6 institutes device of the application another embodiment offer
Journey schematic diagram.
Specific embodiment
The embodiment of the present application provides a kind of acoustical well-logging devices and method.
In order that those skilled in the art more fully understand the technical scheme in the application, below in conjunction with the application reality
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example is only some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, should all belong to the application protection
Scope.
Fig. 1 is a kind of a kind of modular structure schematic diagram of embodiment of herein described acoustical well-logging devices.Although this Shen
Such as following embodiments or method operating procedure shown in the drawings or apparatus structure please be provide, but based on routine or without creating
The work of property can include more or less operating procedure or modular unit in methods described or device.In logicality
In the step of in the absence of necessary causality or structure, the execution sequence of these steps or the modular structure of device are not limited to this Shen
Please embodiment or execution sequence shown in the drawings or modular structure.The device in practice of described method or modular structure or
During end product application, order execution or parallel can be carried out according to embodiment or method shown in the drawings or modular structure
Perform (environment of such as parallel processor or multiple threads, the even implementation environment including distributed treatment).
Specifically as described in Figure 1, a kind of a kind of embodiment of acoustical well-logging devices that the application is provided can include：
Cell site's array 101, can be used for launching sound wave, from being constituted to N number of cell site of arrangement along borehole axis to be measured, N
≥2。
Receiving station's array 102, can be used for receiving reflection sound wave, be arranged at cell site's array both sides, the reception
Array stand from being constituted to 2M receiving station of arrangement along borehole axis to be measured, the both sides respectively set M receiving station, M >=1.
Relative position between N number of cell site and the 2M receiving station keeps constant, the cell site and reception
Standing can be fixed on same along borehole axis to be measured on the long slab extended to underground to be logged well.Or same edge can be fixed on
Borehole axis to be measured is on the stock extended to underground to be logged well.Same can also be fixed on along borehole axis to be measured to underground to be logged well
In the long tube of extension, specific fixed form can voluntarily be selected by implementation personnel according to actual conditions.Fixed purpose is,
During being logged well using described device, N number of cell site and the 2M receiving station can be with associated movements.
In the application one embodiment, the arrangement mode of the M receiving station can include：
The receiving station of the both sides is symmetrical on the array center of cell site, each two phase in the M receiving station
The spacing of adjacent receiving station uses equal default spacing.
The default spacing, implementation personnel can voluntarily determine according to actual conditions and measurement demand, such as can basis
The width in region to be measured, complexity of near-borehole formation structure etc. determine.The span of the general default spacing is 0.1 meter
To between 0.5 meter.Certainly, implementation personnel can also determine the default spacing outside the span, specifically, described pre-
If the selection of spacing, the application is not construed as limiting.
Because the receiving station of the both sides shares cell site's array, thus the receiving station of the both sides be set to off in
The array center of cell site is symmetrical.
In the present embodiment, the arrangement mode of N number of cell site can include：
The spacing at each two adjacent transmission station in N number of cell site is equal, and the spacing is equal to the M receiving station
Span.
The span of the M receiving station also refers to M receiving station in the upward total length of the borehole axis to be measured, described
The spacing at each two adjacent transmission station in N number of cell site is determined by the span of the M receiving station.
Specifically, such as, the default spacing is dx, and M receiving station is arranged on the side of cell site's array.Institute
ShuNGe cell sites are along borehole axis to be measured to being from the close-by examples to those far off arranged in order.If it is determined that good n-th cell site from the close-by examples to those far off with most
The distance (n-th source of cell site away from) of near receiving station is TR (n), then (n+1)th cell site from the close-by examples to those far off with it is nearest
The distance ((n+1)th source of cell site away from) of receiving station can be calculated by following formula：
TR (n+1)=TR (n)+(M-1) * dx+dx, n >=1
Receiving station interval and first source of cell site are determined away from the position of other cell sites just can be according to above-mentioned public affairs
Formula is calculated and determined.The spacing at each two adjacent transmission station in N number of cell site is equal to M*dx.
In the application another embodiment, the number of the cell site's array in described device can be with more than one.Such as, one
Individual device can You Liangge cell sites array, corresponding, each both sides Ge Youyige receiving stations of receiving station array thus has altogether
There are three receiving station's arrays.Certainly, in the case where well logging condition is allowed, can also be set in the application other embodiment more
Cell site's array, cell site's array and receiving station's array are alternately arranged.
Fig. 2 is a kind of distribution schematic diagram of acoustical well-logging devices of offer in one example of the application.Specifically, in Fig. 2
Including cell site's array, cell site's array includes 5 cell sites, in 5 cell sites difference corresponding diagram 2
S1、S2、S3、S4、S5.The upper and lower both sides of cell site's array respectively set 12 receiving stations, and composition receiving station array is corresponded to respectively
Rb1, Rb2, Rb3 ... Rb12 and Ra1, Ra2, Ra3 ... Ra12 in figure.Between between the upper and lower both sides adjacent reception station
Away from being 0.15 meter.The spacing between adjacent transmission station in cell site's array is 1.8 meters, the adjacent transmission station it
Between spacing be 12 spans of receiving station of side, the source of cell site S1 is away from being defined as 0.3 meter.In this example, can be in transmitting
Stand between S1 and cell site S2, be provided with acoustic isolater between cell site S4 and cell site S5.
In this example, the emitter structures of the cell site can select monopole emitter structures, it is also possible to select orthogonal
Dipole launcher structure, it is also possible to select orientation emitter structures, the emitter structures of each cell site are identical.The reception
The receiver architecture stood can select monopole receiver architecture, it is also possible to select cross-dipole receiver architecture, it is also possible to
Selection orientation receiver architecture, the receiver architecture of each receiving station is identical.
In the embodiment of the present application, the structure of the 2M receiving station uses the reception matched with the structure of the cell site
Device structure.
It is described match be commonly referred to as, the number and distribution mode of the receiver in the receiving station, with the transmitting
The number and distribution mode of the cell site in standing are corresponding.Such as cell site uses monopole emitter structures, and receiving station is corresponding
Ground uses monopole receiver architecture, such as cell site uses cross-dipole emitter structures, and receiving station also correspondingly uses
Cross-dipole receiver architecture.
Fig. 3 is a kind of equivalent effect figure of the acoustical well-logging devices described in Fig. 2.As shown in figure 3, in logging operation,
Generally require and carry the well logging apparatus, during upper carrying, for a certain depth to be measured, 5 cell sites will be by described
A certain depth to be measured.Because each cell site is when by a certain depth to be measured, a sound emission will be carried out, thus
Carried out 5 sound emissions in a certain depth to be measured, the corresponding degree of covering for obtaining, can be equivalent to 1 cell site and
The effect that each 60 cell sites produce up and down.
In the application one embodiment, the structure of N number of cell site uses same default emitter structures, described
The 2M structure of receiving station uses same default receiver architecture.
The default emitter structures can generally include following several structure types：
Monopole emitter structures, cross-dipole emitter structures, orientation emitter structures, monopole and orthogonal dipole
Sub-portfolio emitter structures.
The default receiver architecture can generally include following several structure types：
Monopole receiver architecture, cross-dipole receiver architecture, azimuth bins structure, monopole and orthogonal dipole
Sub-portfolio receiver architecture.
Certainly, in the application other embodiment, it would however also be possible to employ be not belonging to the transmitter knot of above-mentioned several structure types
Structure and receiver architecture, specifically, implementation personnel can decide in its sole discretion according to actual job condition and practically necessary parameter
The emitter structures and the receiver architecture.
Using the various embodiments described above provide acoustical well-logging devices implementation method, can be in waiting to log well it is same to be measured
Depth location, repeatedly launches sound wave.So, each receiving station can just receive the multiple reflections at the depth location to be measured
Sound wave, the number equivalent to receiving station is improved, and need not so increase the number of receiving station, it is possible to effectively improve covering
Number of times, so that effectively compacting interference ripple, obtains more accurately reflection sound wave data, finally gives more reliable log data.
Based on a kind of acoustical well-logging devices that above-described embodiment is provided, the application also provides a kind of using the acoustic logging
The method that device carries out acoustic logging, methods described can utilize described device, carry out acoustic logging, obtain more reliable well logging
Data.Fig. 4 is that a kind of flow of method that acoustic logging is carried out using Fig. 1 described devices that the application one embodiment is provided is shown
It is intended to, specifically, as shown in figure 4, methods described can include：
S1：By Shang Ti cell sites array, each cell site in cell site's array is made successively by depth location to be measured.
The depth location to be measured, can include more than one depth location, and the selection of the depth location to be measured can be with
Voluntarily determined according to actual needs by implementation personnel, be not construed as limiting in the application.
It is described above to carry, typically instigate transmitter array to move from bottom to top, it is transmitter array during motion by respectively treating
Survey depth location.
S2：When described each cell site is by the depth location to be measured, acoustic emission is carried out, produce reflection sound wave.
The reflection sound wave produced when the reflection sound wave, the usually sound wave are by the reflector outside log well,
The reflection sound wave can reflect the physical characteristic parameter of reflector, using the reflection sound wave, can also obtain emitter
Imaging.
S3：The reflection sound wave is received using the receiving station of receiving station's array, reflection sound wave data are obtained.
The receiving station receives reflection sound wave, and what is obtained is the reflection sound wave data of many degree of covering, many coverings time
Several reflection sound wave data can effectively strengthen the intensity of reflection sound wave, suppress interference ripple.
The implementation method of the acoustic logging method provided using above-described embodiment, can be by repeatedly launching sound wave, effectively
Degree of covering is improved, so that effectively compacting interference ripple, obtains more accurately reflection sound wave data, more reliable well logging is finally given
Data.
Fig. 5 is a kind of method that acoustic logging is carried out using Fig. 1 described devices of the application another embodiment offer
Schematic flow sheet, specifically, as shown in figure 5, methods described can include：
S1：By Shang Ti cell sites array, each cell site in cell site's array is made successively by depth location to be measured.
S2：When described each cell site is by the depth location to be measured, acoustic emission is carried out, produce reflection sound wave.
S3：The reflection sound wave is received using the receiving station of receiving station's array, reflection sound wave data are obtained.
S4：Using the reflection sound wave data, the stratum treated outside well logging carries out geological structure imaging.
Using the reflection sound wave data, by the processing mode that velocity analysis, migration imaging, overlap-add procedure etc. are conventional,
The imaging results of the near-borehole formation of many degree of covering can be obtained.The reliability of the imaging results is higher.
Using a kind of implementation method of the method that acoustic logging is carried out using described device described in the various embodiments described above, can
By repeatedly transmitting sound wave, to effectively improve degree of covering, so that effectively compacting interference ripple, obtains more accurately reflected sound wave number
According to.Using the more accurately reflection sound wave data, the imaging arrangement of more accurately near-borehole formation can be obtained, finally given more
Reliable log data.
Fig. 6 is a kind of modular structure schematic diagram of the acoustical well-logging devices provided in the application another embodiment, specifically
As described in Figure 6, a kind of a kind of embodiment of the acoustical well-logging devices for being provided in another embodiment of the application can include：
Receiving station's array 201, can be used for receive reflection sound wave, from along borehole axis to be measured to arrangement N number of receiving station's group
Into N >=2；
Cell site's array 202, can be used for launching sound wave, be arranged at the both sides of receiving station's array, the cell site
From being constituted to 2M cell site of arrangement along borehole axis to be measured, the both sides respectively set M cell site, M >=1 to array.
In the application one embodiment, the structure of N number of receiving station uses same default receiver architecture, described
2M cell site uses same default emitter structures.
The emitter structures of the cell site can select monopole emitter structures, it is also possible to select cross-dipole to send out
Emitter structure, it is also possible to select orientation emitter structures, the emitter structures of each cell site are identical.The reception of the receiving station
Device structure can select monopole receiver architecture, it is also possible to select cross-dipole receiver architecture, it is also possible to select orientation
Receiver architecture, the receiver architecture of each receiving station is identical.
In the application one embodiment, the structure of N number of receiving station matches using with the structure of the cell site
Receiver architecture.
It is described match be commonly referred to as, the number and distribution mode of the receiver in the receiving station, with the transmitting
The number and distribution mode of the cell site in standing are corresponding.Such as cell site uses monopole emitter structures, and receiving station is corresponding
Ground uses monopole receiver architecture, such as cell site uses cross-dipole emitter structures, and receiving station also correspondingly uses
Cross-dipole receiver architecture.
In the application one embodiment, the arrangement mode of N number of receiving station can include：
The spacing at each two adjacent reception station in N number of receiving station uses equal default spacing.
In the application another embodiment, the arrangement mode of the M cell site can include：
The cell site of the both sides is symmetrical on the array center of receiving station, each two phase in the M cell site
The spacing of adjacent cell site is equal, and the spacing is equal to the span of N number of receiving station.
Fig. 7 is a kind of distribution schematic diagram of the acoustical well-logging devices provided in the application another example.Specifically, Fig. 7
Include receiving station's array, receiving station's array includes 12 receiving stations, in 12 receiving stations difference corresponding diagram 7
R1, R2, R3 ... R12.The upper and lower both sides of receiving station's array respectively set 5 cell sites, constitute cell site's array, right respectively
Answer Sa1, Sa2, Sa3, Sa4, Sa5 and Sb1, Sb2, Sb3, Sb4, the Sb5 in Fig. 7.Spacing between the adjacent reception station is
0.15 meter.Spacing between the adjacent transmission station of the upper and lower both sides is 1.8 meters, and the spacing is equal to 12 receiving stations
Span, the source of cell site Sa1 and Sb1 is away from being defined as 0.3 meter.In this example, can between cell site Sa1 and cell site Sa2,
Acoustic isolater is provided between cell site Sb1 and cell site Sb2.In this example, described device is in operation process, it is also possible to obtain with
Identical effect in example described in Fig. 2, that is, the degree of covering for obtaining can be equivalent to 1 cell site and up and down each 60 transmittings
Stand produce effect.
Using the various embodiments described above provide acoustical well-logging devices implementation method, can be in waiting to log well it is same to be measured
Depth location, repeatedly launches sound wave.So, each receiving station can just receive the multiple reflections at the depth location to be measured
Sound wave, the number equivalent to receiving station is improved, and need not so increase the number of receiving station, it is possible to effectively improve covering
Number of times, so that effectively compacting interference ripple, obtains more accurately reflection sound wave data, finally gives more reliable log data.
Based on a kind of acoustical well-logging devices that above-described embodiment is provided, the application is also provided one kind and is carried out using described device
The method of acoustic logging, methods described can utilize described device, carry out acoustic logging, obtain more reliable log data.Fig. 8
It is a kind of schematic flow sheet of method that acoustic logging is carried out using Fig. 6 described devices of the application another embodiment offer,
Specifically, as shown in figure 8, methods described can include：
S01：By Shang Ti cell sites array, each cell site in cell site's array is made successively by depth to be measured position
Put.
The depth location to be measured, can include more than one depth location, and the selection of the depth location to be measured can be with
Voluntarily determined according to actual needs by implementation personnel, be not construed as limiting in the application.
It is described above to carry, typically instigate transmitter array to move from bottom to top, it is transmitter array during motion by respectively treating
Survey depth location.
S02：When described each cell site is by the depth location to be measured, acoustic emission is carried out, produce reflection sound wave.
The reflection sound wave produced when the reflection sound wave, the usually sound wave are by the reflector outside log well,
The reflection sound wave can reflect the physical characteristic parameter of reflector, using the reflection sound wave, can also obtain emitter
Imaging.
S03：The reflection sound wave is received using the receiving station of receiving station's array, reflection sound wave data are obtained.
The receiving station receives reflection sound wave, and what is obtained is the reflection sound wave data of many degree of covering, many coverings time
Several reflection sound wave data can effectively strengthen the intensity of reflection sound wave, suppress interference ripple.
The implementation method of the acoustic logging method provided using above-described embodiment, can be by repeatedly launching sound wave, effectively
Degree of covering is improved, so that effectively compacting interference ripple, obtains more accurately reflection sound wave data, more reliable well logging is finally given
Data.
Fig. 9 is a kind of method that acoustic logging is carried out using Fig. 6 described devices of the application another embodiment offer
Schematic flow sheet, specifically, as shown in figure 9, methods described can include：
S01：By Shang Ti cell sites array, each cell site in cell site's array is made successively by depth to be measured position
Put.
S02：When described each cell site is by the depth location to be measured, acoustic emission is carried out, produce reflection sound wave.
S03：The reflection sound wave is received using the receiving station of receiving station's array, reflection sound wave data are obtained.
S04：Using the reflection sound wave data, the stratum treated outside well logging carries out geological structure imaging.
Using the reflection sound wave data, by the processing mode that velocity analysis, migration imaging, overlap-add procedure etc. are conventional,
The imaging results of the near-borehole formation of many degree of covering can be obtained.The reliability of the imaging results is higher.
The implementation method of the acoustic logging method provided using the various embodiments described above, can be had by repeatedly transmitting sound wave
Effect improves degree of covering, so that effectively compacting interference ripple, obtains more accurately reflection sound wave data, finally gives more reliable survey
Well data.
Although mentioning the processing mode of different acoustic loggings in teachings herein, from cell site's array is made successively
Each cell site produce reflection sound wave by depth location to be measured, acoustic emission, connect using the receiving station in receiving station's array
Transmitting-receiving is penetrated sound wave and obtains reflection sound wave data and obtained to the various sequential manners of the log data for obtaining near-borehole formation to be logged well, data
/ the description of the way of output etc. is taken/processes, but, the application is not limited to be described by professional standard or embodiment
Implementation amended slightly on the practice processes that situation etc., some professional standards or the self-defined mode of use or embodiment are described
Scheme can also realize above-described embodiment it is identical, equivalent or close or deformation after it is anticipated that implementation result.Using these modifications
Or the embodiment of data acquisition, treatment, output, the judgment mode etc. after deformation, still may belong to the optional implementation of the application
Within aspects.
Although this application provides the method operating procedure as described in embodiment or flow chart, based on conventional or noninvasive
The means of the property made can include more or less operating procedures.The step of being enumerated in embodiment order is only numerous steps
A kind of mode in execution sequence, unique execution sequence is not represented.When device or client production in practice is performed, can
Performed or executed in parallel (such as at parallel processor or multithreading with according to embodiment or method shown in the drawings order
The environment of reason, even distributed data processing environment).Term " including ", "comprising" or its any other variant be intended to contain
Lid nonexcludability is included, so that process, method, product or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, product or equipment
Intrinsic key element.In the absence of more restrictions, be not precluded from the process including the key element, method, product or
Also there are other identical or equivalent elements in person's equipment.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application have it is many deformation and
Change is without deviating from spirit herein, it is desirable to which appended claim includes these deformations and changes without deviating from the application's
Spirit.
Claims (14)
1. a kind of acoustical well-logging devices, it is characterised in that described device includes：
Cell site's array, for launching sound wave, from being constituted to N number of cell site of arrangement along borehole axis to be measured, N >=2；
Receiving station's array, for receiving reflection sound wave, is arranged at cell site's array both sides, receiving station's array by along
Borehole axis to be measured is constituted to 2M receiving station of arrangement, and the both sides respectively set M receiving station, M >=1.
2. a kind of acoustical well-logging devices as claimed in claim 1, it is characterised in that the structure of N number of cell site is using same
A kind of default emitter structures, the structure of the 2M receiving station uses same default receiver architecture.
3. a kind of acoustical well-logging devices as claimed in claim 2, it is characterised in that the structure of the 2M receiving station using with
The receiver architecture that the structure of the cell site matches.
4. a kind of acoustical well-logging devices as claimed in claim 1, it is characterised in that the arrangement mode bag of N number of cell site
Include：
The spacing at each two adjacent transmission station in N number of cell site is equal, the spacing be equal to the M receiving station across
Degree.
5. a kind of acoustical well-logging devices as claimed in claim 1, it is characterised in that the arrangement mode bag of the M receiving station
Include：
The receiving station of the both sides is symmetrical on the array center of cell site, and each two in the M receiving station is adjacent
The spacing for receiving station uses equal default spacing.
6. a kind of method for carrying out acoustic logging using any one described device in claim 1 to 5, it is characterised in that institute
The method of stating includes：
By Shang Ti cell sites array, each cell site in cell site's array is made successively by depth location to be measured；
When described each cell site is by the depth location to be measured, acoustic emission is carried out, produce reflection sound wave；
The reflection sound wave is received using the receiving station in receiving station's array, reflection sound wave data are obtained.
7. method as claimed in claim 6, it is characterised in that methods described also includes：
Using the reflection sound wave data, reflection sound wave imaging is carried out, obtain the log data of near-borehole formation to be logged well.
8. a kind of acoustical well-logging devices, it is characterised in that described device includes：
Receiving station's array, for receiving reflection sound wave, from being constituted to N number of receiving station of arrangement along borehole axis to be measured, N >=2；
Cell site's array, for launching sound wave, is arranged at the both sides of receiving station's array, and cell site's array is by along treating
The 2M cell site composition that well logging is axially arranged, the both sides respectively set M cell site, M >=1.
9. a kind of acoustical well-logging devices as claimed in claim 8, it is characterised in that the structure of N number of receiving station is using same
A kind of default receiver architecture, the 2M cell site uses same default emitter structures.
10. a kind of acoustical well-logging devices as claimed in claim 8, it is characterised in that the structure of N number of receiving station use with
The receiver architecture that the structure of the cell site matches.
A kind of 11. acoustical well-logging devices as claimed in claim 8, it is characterised in that the arrangement mode bag of N number of receiving station
Include：
The spacing at each two adjacent reception station in N number of receiving station uses equal default spacing.
A kind of 12. acoustical well-logging devices as claimed in claim 8, it is characterised in that the arrangement mode bag of the M cell site
Include：
The cell site of the both sides is symmetrical on the array center of receiving station, the adjacent hair of each two in the M cell site
The spacing for penetrating station is equal, and the spacing is equal to the span of N number of receiving station.
A kind of 13. methods for carrying out acoustic logging using any one described device in claim 8 to 12, it is characterised in that
Methods described includes：
By Shang Ti cell sites array, each cell site in cell site's array is made successively by depth location to be measured；
When described each cell site is by the depth location to be measured, acoustic emission is carried out, produce reflection sound wave；
The reflection sound wave is received using the receiving station in receiving station's array, reflection sound wave data are obtained.
14. methods as claimed in claim 13, it is characterised in that methods described also includes：
Using the reflection sound wave data, reflection sound wave imaging is carried out, obtain the log data of near-borehole formation to be logged well.
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| CN111236933A (en) * | 2020-01-15 | 2020-06-05 | 中国科学院声学研究所 | Method for performing step-by-step inversion on stratum radial velocity by using acoustic logging instrument |
| CN111323824A (en) * | 2020-03-04 | 2020-06-23 | 中国科学院声学研究所 | Modular array acoustic logging instrument and method for detecting external interface |
| CN112647932A (en) * | 2020-12-21 | 2021-04-13 | 中国石油大学(华东) | Multi-component acoustic logging device for three-dimensional detection in well |
| CN117849883A (en) * | 2023-12-19 | 2024-04-09 | 中国科学院声学研究所 | Receiving system for detecting reflected waves of well hole remotely by sound waves and detection method thereof |
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| Publication number | Publication date |
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| CN106837314B (en) | 2019-11-12 |
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