CN107829725A - A kind of water causes pressure break stress measurement with inducing crack dynamic imaging integrating device - Google Patents
A kind of water causes pressure break stress measurement with inducing crack dynamic imaging integrating device Download PDFInfo
- Publication number
- CN107829725A CN107829725A CN201711276032.4A CN201711276032A CN107829725A CN 107829725 A CN107829725 A CN 107829725A CN 201711276032 A CN201711276032 A CN 201711276032A CN 107829725 A CN107829725 A CN 107829725A
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- China
- Prior art keywords
- pressure break
- upper packer
- pole
- cavity
- imaging
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/002—Survey of boreholes or wells by visual inspection
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/06—Sleeve valves
Abstract
The invention provides a kind of water to cause pressure break stress measurement to belong to detecting earth stress field with inducing crack dynamic imaging integrating device.Water causes pressure break stress measurement to include fracturing packer, ultrasonic imaging system and Push-and-pull valve with inducing crack dynamic imaging integrating device, wherein ultrasonic imaging system is arranged on the shunt centre bar of fracturing packer, can together it be gone into the well with fracturing packer, real-time hole wall imaging.Geostress survey rapidly can be carried out to hole wall rock mass, hydrofracturing measures and induced crack imaging and only need to once go into the well and can complete, geostress survey efficiency greatly improved, and because the real-time dynamic imaging of ultrasonic imaging system, the result of imaging are more accurate reliable.
Description
Technical field
The present invention relates to geostress survey technical field, and pressure break stress measurement is caused with inducing in particular to a kind of water
Crack dynamic imaging integrating device.
Background technology
Crustal stress is the primary stress being present in earth's crust rock mass, and solid earth important physical property parameters it
One.Crustal stress is the root strength for causing rock mass deformation, unstability and destruction, and influences the deeps such as oil, shale gas, hot dry rock
The important parameter of energy extraction.The measurement for thus carrying out crustal stress is operated in seismic mechanism research, energy extraction, mining tunnel are set
Meter, large-scale dam dam foundation construction etc. have important science and Practical significance.
The most important method of geostress survey is hydraulic fracturing.Hydraulic fracturing geostress survey is by the borehole
One section of rock open-hole is insulated, to packing section injection highly pressurised liquid, makes hole wall fracturing section rock mass that rupture occur to determine that crustal stress is big
A kind of small and method in direction.Party's law theory is ripe, it is easy to operate, fathom that big, cost is low, at present in worldwide
Inside it is widely used.
Complete hole wall rock mass will be produced after hydraulic fracturing two it is symmetrical, perpendicular to hole axle, parallel in 180 °
Induction crack, the azimuths in this pair of induction cracks then represent the direction of maximum horizontal principal stress.Obtain maximum horizontal master
The direction of stress is the important content for carrying out drilling hydraulic fracturing geostress survey.Existing acquisition maximum horizontal principal stress side
To method be mainly impression method, i.e., the vestige height for inducing crack is stamped in the vulcanization rubber on its surface using stamp packing element
On, this method simple, intuitive, but also have disadvantages that mainly have：Waste time and energy, efficiency is low, and lower brill is only capable of obtaining every time
The directional information of 1-2 test point；The vestige for being imprinted on stamp packing element surface is easy to be ground off by hole wall in drilling process；For
The larger drilling of stress value, it is also bigger due to inducing the stress opened again in crack, therefore be difficult clearly to stamp and will induce
Crack vestige.Above-mentioned several shortcomings are larger in drilling depth, experimental result influenceed in the case of borehole conditions complexity tighter
Weight..
The content of the invention
It is an object of the invention to provide a kind of water to cause pressure break stress measurement with inducing crack dynamic imaging integrating device, its
It quickly can accurately be used for the measurement of underground In-situ stress.
The present invention is realized using following technical scheme：
A kind of water causes pressure break stress measurement and induces crack dynamic imaging integrating device, including：Fracturing packer, pressure break envelope
Include every device：Pressure break body is shunted, shunting pressure break body includes pressure break bar, and pressure break bar has first end and the second end, and pressure break bar has
Pressure break chamber, pressure break chamber run through the first end of pressure break bar, and pressure break bar, which has, is used to exporting the apopore of fracturing fluid, pressure break bar have with
The branch canal of pressure break chamber isolation, branch canal extend through first end and the second end；Upper packer, upper packer are connected to
One end, upper packer are provided with pressure break water channel, pressure break water channel connection pressure break chamber along its length, and upper packer is provided with and pressed
The upper packer cavity of water channel isolation is split, upper packer cavity connects with branch canal；Lower packet, lower packet are connected to
Two ends, lower packet have lower packet cavity, and lower packet cavity connects with branch canal；
Ultrasonic imaging system, it is sheathed on shunt centre bar；
Push-and-pull valve, for being connected with drilling rod, Push-and-pull valve includes Push-and-pull valve center-pole and valve body, and valve body is connected to packing
Device, Push-and-pull valve center-pole are provided with apopore, and Push-and-pull valve center-pole is slideably positioned in valve body and selectively communicates with frac water
Road or setting water channel, setting water channel UNICOM upper packer cavity, pressure break water channel UNICOM upper packer center-pole.
Further, the end of Push-and-pull valve center-pole is provided with the plug coordinated with the inner chamber of valve body, and apopore is in push-and-pull
Pressure break water channel or upper packer cavity are selectively communicated with valve center-pole sliding process.
Further, fracturing packer also includes hollow shunt centre bar, and the both ends of shunt centre bar are connected to
Second end is connected with lower packet, and lower packet cavity is connected with branch canal by shunt centre bar.
Further, upper packer includes upper packer center-pole and hollow housing, and upper packer center-pole is arranged
It is connected in housing and with first end, upper packer center-pole sets pressure break water channel, is formed between upper packer center-pole and housing
Upper packer cavity.
Preferably, upper packer center-pole is threadedly connected to first end.
Further, ultrasonic imaging system includes ultrasonic imaging apparatus, including：
Body, body have the installation cavity that is surrounded by side wall, and side wall is provided with and blocked water and to be available for ultrasonic wave to pass through saturating
Sound window；
Ultrasound imaging unit, ultrasound imaging unit include at least one ultrasonic probe, and ultrasound imaging unit is movably pacified
Loaded on installation cavity, the detection direction of ultrasonic probe is towards sound transmitting window；
Drive mechanism, drive mechanism is installed on installation cavity, and drive mechanism is connected with ultrasonic probe to drive ultrasound
Pop one's head in along the axial direction of body and/or circumferential movement.
Further, downhole ultrasonic imaging device also includes central shaft, and ultrasound imaging unit also includes mounting seat, ultrasound
Probe is installed on mounting seat, and mounting seat is movably sheathed on the periphery of central shaft, and drive mechanism is connected with mounting seat.
Further, drive mechanism includes active straight spur gear, driven straight spur gear and power set；It is main
The power output portion of dynamic straight spur gear and power set is connected, and driven straight spur gear is connected with central axle threads
To form lead screw pair, and driven straight spur gear engages with active straight spur gear；Driven straight spur gear and installation
Seat connects in circumference and/or axial restraint.
Further, driven straight spur gear is fixedly connected with mounting seat in circumferential and axial.
Further, power set are motor；Filling is by insulation silicone oil in installation cavity；Preferably, motor is brush DC
Motor.
Water provided in an embodiment of the present invention causes pressure break stress measurement with inducing crack dynamic imaging integrating device, can be quick
To hole wall rock mass carry out geostress survey, fracturing and imaging only need to once go into the well and can complete, measurement efficiency greatly improved,
And because the real-time dynamic imaging of ultrasonic imaging system, the result of imaging are more accurate.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings and fall within protection scope of the present invention.
Fig. 1 is that water provided in an embodiment of the present invention causes pressure break stress measurement with inducing the knot of crack dynamic imaging integrating device
Structure schematic diagram；
Fig. 2 is that water provided in an embodiment of the present invention causes pressure break stress measurement to be bored with inducing in the dynamic imaging integrating device of crack
The structure chart of head catcher；
Fig. 3 is that water provided in an embodiment of the present invention causes pressure break stress measurement to be pushed away with inducing in the dynamic imaging integrating device of crack
Draw the structural representation of valve；
Fig. 4 is that water provided in an embodiment of the present invention causes pressure break stress measurement to be hit by a bullet with inducing crack dynamic imaging integrating device
The structural representation of property device；
Fig. 5 is the enlarged drawing at A in Fig. 3；
Fig. 6 is that water provided in an embodiment of the present invention causes pressure break stress measurement with inducing in the dynamic imaging integrating device of crack
The structural representation of packer；
Fig. 7 is that water provided in an embodiment of the present invention causes pressure break stress measurement to be pressed with inducing in the dynamic imaging integrating device of crack
Split the structural representation of shunting body；
Fig. 8 is the schematic diagram of ultrasonic imaging system in the embodiment of the present invention；
Fig. 9 is the profile of ultrasonic imaging system provided in an embodiment of the present invention；
Figure 10 is Fig. 9 partial enlarged drawing；
The schematic diagram for the pressure-regulating device that Figure 11 embodiment of the present invention provides
Figure 12 is that water provided in an embodiment of the present invention causes pressure break stress measurement with inducing in the dynamic imaging integrating device of crack
The structural representation of lower packet.
Icon：
100- drill bits are taken over；Taken on 101-；Lower catcher -102；200- Push-and-pull valves；201- valve bodies；202 Push-and-pull valve centers
Bar；203；204- plugs；205- inner chambers；206- connection ends；210- the first valve body water channels；220- the second valve body water channels；230-
Apopore；300- upper packers；301- pressure break water channels；302- upper packer cavitys；303- upper packer center-poles；310- connections
Head；320- top shoes；330- sliding blocks；400- pressure break shunting bodies；401- pressure break chambers；402- pod apertures；403- branch canals；
410- terminations；500- ultrasonic imaging systems；600- lower packets；601- lower packet center-poles；602- connection plugs；604-
Shunt centre bar；603- lower packet cavitys；S1- top connections；S2- battery installation cavitys；S4- slip rings；S41- positive pole sliding blocks；S42-
Negative pole sliding block；S43- axial limitings portion；S5- holds line linkage unit；The spools of S51- first；S511- anode rings；S512- negative pole rings；
S513- annular flanges；The spools of S52- second；S6- ultrasonic probes；S7- bodys；S71- sound transmitting windows；S8- active straight tooth column teeth
Wheel；The driven straight spur gears of S9-；S10- power set；S11- pressure balancing pistons；S12- fuel feeding valves；S13- gate gurgle valves；
S14- pressure switches；S15- central shafts；S16- lower contacts；S17- pressure chambers；S18- driving members.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be configured to arrange and design with a variety of.
Therefore, below the detailed description of the embodiments of the invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
In the description of the invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connected ", " connection " should be interpreted broadly, for example, " connection " can be fixedly connected or detachably connect
Connect, or be integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, middle matchmaker can also be passed through
Jie is indirectly connected, and can be the connection of two element internals.For the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Embodiment 1
The present embodiment provides a kind of water and causes pressure break stress measurement and induce crack dynamic imaging integrating device, including：Pressure break
Packer, ultrasonic imaging system 500 and Push-and-pull valve 200, wherein, ultrasonic imaging system 500 is used for counterincision in the shaft
Gap state is imaged.
Specifically, in the present embodiment, refering to Fig. 1, water causes pressure break stress measurement with inducing crack dynamic imaging integrating device
Also including drill rod connecting hand, drill rod connecting hand Push-and-pull valve 200 is connected, and Push-and-pull valve 200 is connected with the upper packer 300 of fracturing packer,
Ultrasonic imaging system 500 is assemblied in the part of lower packet 600 of fracturing packer.Wherein, drill rod connecting hand is used to connect with drilling rod
Connect.
Fig. 2 shows the structure of drill rod connecting hand in the present embodiment, referring to Fig. 2, the upper and lower ends of drill rod connecting hand are set respectively
Catcher 101 and lower catcher 102 are equipped with, wherein, upper catcher 101 is used to be attached with drilling rod, and lower catcher 102 is used for and push-and-pull
Valve 200 is attached, also, upper catcher 101 is connected with lower catcher 102 by the passage inside drill rod connecting hand, to realize
It can be entered from the water of ground press-in from drilling rod in Push-and-pull valve 200.
Fig. 3 is the structural representation of Push-and-pull valve 200 in the present embodiment, referring to Fig. 3, Push-and-pull valve 200 is included in Push-and-pull valve
Core bar 202 and valve body 201, valve body 201 are hollow tubular structure, are provided with inner chamber 205 in it, Push-and-pull valve center-pole 202 is slided
It is dynamic to be arranged in inner chamber 205 and the inner chamber 205 of valve body 201, valve body are stretched out in the upper end of Push-and-pull valve center-pole 202 in sliding process
201 upper end is provided for preventing the overall flange for skidding off inner chamber 205 of Push-and-pull valve center-pole 202.Push-and-pull valve center-pole 202 stretches out
The part of the inner chamber 205 of valve body 201 is connected with elastic device, and the structure of elastic device is as shown in fig.4, elastic device includes bullet
Spring 113, connector 112 and sheath 111, sheath 111 are tubulose, and its upper and lower ends is connected to the lower end of drill bit catcher 100
And on the valve body 201 of Push-and-pull valve 200.The structure of connector 112 is in "convex" shaped, be integrally located at the inside of sheath 111 and can on
Lower slider.The upper end of connector 112 is connected to lower catcher 102, and the lower end of connector 112 coordinates with Push-and-pull valve center-pole 202 to be connected
Connect, the portion outboard of the protrusion of connector 112 is provided with abutting part 114, and abutting part 114 is fixed on the inwall of sheath 111.Spring
113 are sheathed on the part of the protrusion of connector 112, and the both ends of spring 113 are connected to abutting part 114 and are arranged in Push-and-pull valve respectively
Meeting device on core bar 202, be provided with passage among connector, its can connect the lower catcher 102 of drill bit catcher 100 and
Push-and-pull valve center-pole 202.
The first valve body water channel 210 and the second valve body water channel 220 are provided with valve body 201, wherein the He of the first valve body water channel 210
Second valve body water channel 220 is opened up along the axis direction of valve body 201, and the first valve body water channel 210 and the second valve body water
Stagger in position in road 220.First valve body water channel 210 and the second valve body water channel 220 are respectively communicated with the pressure of upper packer 300
Split water channel 301 and upper packer cavity 302.
Also referring to Fig. 3 and Fig. 5, apopore 230 is provided with Push-and-pull valve center-pole 202, apopore 230 is in Push-and-pull valve
It can be connected respectively with the first valve body water channel 210 or the second valve body water channel 220 in the sliding process of center-pole 202, and Push-and-pull valve
The lower end of center-pole 202 is provided with plug 204, for blocking Push-and-pull valve center-pole 202.When Push-and-pull valve center-pole 202 is in valve body
In 201 in sliding process, the first valve body of connection water channel 210 and the second valve body water channel 220 that apopore 230 can be selective.
Fracturing packer includes upper packer 300, pressure break shunting body 400 and lower packet 600.Wherein, valve body 201
Lower end is provided with connection end 206, and connection end 206 is connected to upper packer 300.Specifically, refer to Fig. 7, pressure break shunting body
400 include pressure break bar, and pressure break bar has relative first end and the second end, and pressure break bar has pressure break chamber 401, and pressure break chamber 401 passes through
The first end of pressure break bar is worn, pressure break bar has the pod apertures 402 for being used for exporting fracturing fluid, and pod apertures 402 are multiple, are uniformly distributed
In on the wall of pressure break bar and through the wall of pressure break bar.Pressure break bar has the branch canal 403 isolated with pressure break chamber 401, shunts water
Road 403 extends through first end and the second end, and branch canal 403 is located at the outside of pressure break chamber 401, and branch canal 403 is along pressure break
The axis direction of bar opens up.
Shunting pressure break body upper end is provided with sliding block 410, and sliding block 410 is hollow tubular structure, and connected with pressure break chamber 401
It is logical, there is gap between the outer wall and shunting pressure break body of sliding block, the gap is used to turn on branch canal 403.
Refering to Fig. 6, upper packer 300 includes upper packer center-pole and hollow housing, upper packer center rod set
In housing, the upper end of upper packer 300 is provided with connector 310, and connector 310 is connected with connection end 206.Even
Joint 310 is hollow, and it is connected with connection end 206.Upper packer 300 is provided with pressure break water channel 301 along its length,
Pressure break water channel 301 connected with connector 310 and and then connect connection end 206 realize connected with pressure break chamber 401, upper packer
300 are provided with the upper packer cavity 302 isolated with pressure break water channel 301, and upper packer cavity 302 is by upper packer cavity center
The outer wall of bar 303 and the inwall of housing surround, and upper packer cavity 302 connects with branch canal 403, whole upper packer 300
It is connected to the first end of the first end of pressure break shunting body 400, i.e. pressure break bar.
The lower end of upper packer 300 is provided with top shoe 320 and sliding block 330, the wherein upper end of top shoe 320 and upper packing
Device 300 is connected, and lower end cooperates with sliding block 330, and pressure break water channel 301 and upper packer cavity 302 prolong always
Sliding block 330 is extended, the upper end of pressure break shunting body 400 is provided with termination 410, and termination 410 and sliding block 330 are connected, and
And sliding block 330 and termination 410 are hollow, both mutual conductions, and pressure break water channel 301 turns on sliding block 330, end
Head turns on pressure break chamber 401, and then pressure break water channel 301 is turned on pressure break chamber 401.
In addition, also referring to Fig. 6 and Fig. 7, pressure break water channel 301 and upper packer cavity 302 extend downward into always
Top shoe 320, sliding block 330 and termination 410, such pressure break water channel 301 connect with pressure break chamber 401, upper packer cavity 302
Connected with branch canal 403, it is necessary to illustrate, pressure break water channel 301 is, pressure break mutually isolated with upper packer cavity 302
What chamber 401 was also mutually isolated with branch canal 403.
The lower end of shunting pressure break body is provided with lower port 420, refers to Figure 12, pressure break separator also includes hollow shunting
Center-pole 604, shunt centre bar 604 are hollow form structure, and the both ends of shunt centre bar 604 are connected to the second end and lower envelope
Every device 600, wherein, the top and bottom mouth 420 of shunt centre bar 604 is connected, and passes through lower port 420 and shunting water
Road 403 connects.The lower end of shunt centre bar 604 is connected with lower packet 600.
The outer diameter of shunt centre bar 604 is smaller compared to pressure break shunting body 400 and lower packet 600, at it
Outer wall installation mounting ultrasonic imaging system 500.Specifically, the structure of ultrasonic imaging system 500 is：Also referring to Fig. 8-
Figure 11：It should be noted that ultrasonic imaging apparatus and pressure-regulating device are respectively as shown in Fig. 9 and Figure 11.Fig. 9 and Figure 11 points
It is not Fig. 8 left and right two parts.Ultrasonic imaging apparatus, including body S7, ultrasound imaging unit and drive mechanism.
Wherein, body S7 both ends are respectively arranged with top connection S1 and lower contact S16.Body S7 has what is surrounded by side wall
We define it as installation cavity (close to top connection S1) to the left part of cavity, wherein cavity, right part we define it and be
Pressure balance chamber (close to lower contact S16).
Surround installation cavity side wall some be sound transmitting window S71, sound transmitting window S71 blocks water and is available for ultrasonic wave to pass through.
Optional polytetrafluoroethylene (PTFE) is as the material for preparing sound transmitting window S71.In the present embodiment, sound transmitting window S71 is circumferentially disposed along body S7
Cirque structure.
Ultrasound imaging unit includes at least one ultrasonic probe S6, and ultrasound imaging unit is movably installed on installation cavity,
Ultrasonic probe S6 detection direction is towards sound transmitting window S71.
Further, in the alternative embodiment of the present invention, ultrasonic probe S6 includes ultrasonic transmitter and receives transducing
Device, receive transducer are configured to receive the ultrasonic signal for being sent by ultrasonic transmitter and being reflected back by the borehole wall；Preferably, connect
Receive the transducer that transducer is piezo crystal.
Ultrasonic transmitter and receive transducer can correspond to set, can also a ultrasonic transmitter correspondence
At least two receive transducers.Such as a ultrasonic transmitter is arranged on centre, and multiple receive transducers circumferentially between
Every setting, you can the information in the multiple orientation of the detection borehole wall.
Further, in the alternative embodiment of the present invention, ultrasonic probe S6 quantity is 2.Preferably, 2 ultrasounds
Pop one's head in S6 detection direction along body S7 radially outward and angle is 180 °.
Drive mechanism is installed on installation cavity, and drive mechanism is connected with ultrasonic probe S6 to drive ultrasonic probe S6 edges
Body S7 axial direction and/or circumferential movement.
In other words, drive mechanism may be configured to drive ultrasonic probe S6 only along body S7 axial movement also may be used
To be configured to drive ultrasonic probe S6 only along body S7 circumferential movement, to can be configured to drive ultrasonic probe S6 along pipe
Body S7 axial and circumferential can move.In the present embodiment, drive mechanism may be configured to drive ultrasonic probe S6 edges
Body S7 axial and circumferential can move.More multi-faceted borehole wall information can so be obtained.
It is possible to further install gyro-magnetic compass in installation cavity to record ultrasonic probe S6 orientation, in order to obtain
Know the orientation in the crack detected.
Further, in the alternative embodiment of the present invention, downhole ultrasonic imaging device also includes central shaft S15, surpasses
Acoustic imaging unit also includes mounting seat, and ultrasonic probe S6 is installed on mounting seat, and mounting seat is movably sheathed on central shaft S15's
Periphery, drive mechanism are connected with mounting seat.Preferably, central shaft S15 has axially extending bore.Further, in this implementation
In example, central shaft S15 is made up of metal material.Compared to flexible pipe, central shaft S15 belongs to rigid pipe, and not only bearing capacity is more
It is good, and can be as the guide frame of mounting seat.
Further, in the alternative embodiment of the present invention, drive mechanism includes active straight spur gear S8, driven straight
Tooth roller gear S9 and power set S10；Active straight spur gear S8 and power set S10 power output portion transmission connects
Connect, driven straight spur gear S9 is threadedly coupled with central shaft S15 to form lead screw pair, and driven straight spur gear S9 and master
Dynamic straight spur gear S8 engagements；Driven straight spur gear S9 is connected with mounting seat in circumference and/or axial restraint.It is driven straight
The connection of tooth roller gear S9 and mounting seat can with corresponding with desired ultrasonic probe S6 motion mode.In this reality
Apply in example, driven straight spur gear S9 is fixedly connected with mounting seat in circumferential and axial.
Further, in the alternative embodiment of the present invention, ultrasonic imaging apparatus also includes pressure switch S14, pressure
Switch S14 has pressure input unit and electric signal output portion, and pressure input site is in outside body S7, and electric signal output portion is positioned at pipe
It is connected in body S7 and with motor and ultrasonic probe counter electrode counter electrode, pressure switch S14 is configured to work as pressure input unit
The pressure received starts motor and ultrasonic probe when reaching preset value.
During using this pressure switch S14, if pressure when default pressure value starts with pressure break is correspondingly arranged, pressure break
Completed with imaging function in the same time, realize certain hole section length imaging.
Further, the time of ultrasonic imaging is also that can be performed with default in a preset time that can be upon actuation,
Then it is automatic to terminate.
Further, in the alternative embodiment of the present invention, power set S10 is motor；Filling is by insulating in installation cavity
Silicone oil.Preferably, in the present embodiment, motor is DC brushless motor.Motor is impregnated in insulation silicone oil.
Further, in embodiment, installation cavity also includes a battery installation cavity S2, and electricity is provided with battery installation cavity S2
Pond, battery are connected with ultrasonic probe S6 and motor counter electrode counter electrode.
Further, in the alternative embodiment of the present invention, can also include holding line linkage unit S5 and slip ring S4, slip ring
S4 is sheathed on central shaft S15 periphery and is fixed in body S7, and it is in hollow slim-lined construction on the whole to hold line linkage unit S5,
Its internal accommodating cavity with accommodating electric lead；Appearance line linkage unit S5 is in diametrically rigidity and length is variable in the axial direction；
Hold line linkage unit S5 one end and slip ring S4 axial restraints and the circumferential other end and peace for being slidably connected, holding line linkage unit S5
Dress seat is fixedly connected.
Further, slip ring S4 has the annular groove around central shaft S15, and anode ring S511 is fixed with annular groove
With negative pole ring S512, there are interval and setting insulated from each other between anode ring S511 and negative pole ring S512；Hold line linkage unit S5's
The end set being connected with holding line linkage unit S5 has positive pole sliding block S41 and negative pole sliding block S42；Positive pole sliding block S41 and positive pole
Ring S511 relative positions on axially and radially are fixed and are slidably connected in the circumferential；Negative pole sliding block S42 and negative pole ring
S512 relative positions on axially and radially are fixed and are slidably connected in the circumferential.
In this way, so that positive pole sliding block S41 and anode ring S511 are in counter electrode counter electrode connection status all the time,
Also so that negative pole sliding block S42 and negative pole ring S512 is in counter electrode counter electrode connection status all the time.Anode ring S511, negative pole
Ring S512, positive pole sliding block S41 and negative pole sliding block S42 are made of electrically conductive material, such as metal, it is possible to further be copper.Enter
One step, the opening of annular groove are provided with axial limiting portion S43, hold line linkage unit S5 with holding line linkage unit S5's
The end of connection is in T fonts substantially, and the end has annular flange S513 radially, annular groove and axial limiting portion
S43 limits the annular flange S513 free degree jointly, so that the flange is in axial restraint and circumferential movable.
Further, the A/F of annular groove is adapted with holding line linkage unit S5 radial dimension, is held with limiting
Line linkage unit S5 is diametrically substantially stationary with slip ring S4.The A/F of annular groove refers to the opening of annular groove in
The width of mandrel S15 radial direction.
When ultrasonic probe S6 rotates around central shaft S15, hold line linkage unit S5 and also rotated around central shaft S15.And
And hold line linkage unit S5 under the position-limiting action of annular groove, keep relative position to fix in the axial direction with slip ring S4, and hold
Line linkage unit S5 can circumferentially on relative to slip ring S4 slide.
Further, the positive pole counter electrode of anode ring S511 and battery connects, the negative pole pair of negative pole ring S512 and battery
Electrode is answered to connect.
Further, hold to be equipped with line linkage unit S5 accommodating cavity and be connected with motor and ultrasonic probe S6 counter electrodes
Positive electric lead and negative electricity wire, positive electric lead is connected with positive pole sliding block S41 counter electrodes, negative electricity wire and negative pole sliding block S42
Counter electrode connects.
Further, holding line linkage unit S5 includes the first spool S51 and the second spool S52, the first spool S51 and slip ring
S4 connections and annular flange S513 are located at the first spool S51 one end, and the first spool S51 the other end slideably holds
The second spool S52 tube chamber is placed in, the second spool S52 is fixedly connected with mounting seat.
When axial movements of the ultrasonic probe S6 along central shaft S15, it is scalable to hold line linkage unit S5, the first spool S51
Length positioned at the second spool S52 tube chamber inside points can also change.
The present embodiment additionally provides a kind of ultrasonic imaging system, including any of the above-described kind of downhole ultrasonic imaging device,
Also include ultrasonic signal processing circuit, ultrasonic signal processing circuit is configured to ultrasonic signal being converted into image information.
Radiating circuit excitation ultrasonic transmitter work can be set, and the signal of receive transducer collection can digitize place
Reason, corresponding reception can realize high-precision digitized signal with Acquisition Circuit, and reception will be realized with Acquisition Circuit：Preceding storing
Greatly, filtering, automatic gain control, ADC collections etc..Specific calculation system and the circuit being related to belong to prior art, herein not
Repeat again.
When sound transmitting window S71 is made using polytetrafluoroethylene (PTFE), due to polytetrafluoroethylmaterial material bearing capacity deficiency.Pressure is set
The purpose of adjusting means is primarily to balance installation cavity and the pressure outside body S7, avoid sound transmitting window S71 by pressure damage.
With reference to Fig. 4, provide pressure-regulating device to the present embodiment and be introduced.
Pressure-regulating device mainly includes pressure balancing piston S11, driving member S18, fuel feeding valve S12 and gate gurgle valve S13.
Pressure-regulating device shares a body S7 and central shaft S15 with downhole ultrasonic imaging device, and central shaft S15 is arranged at body
It is in S7 and coaxial with body S7.
Cavity is separated into installation cavity and pressure regulating cavity independent of each other by pressure balancing piston S11.
Lower contact S16 is installed on body S7 end, lower contact S16 and body S7 and central shaft S15 axial directions dynamic sealing, under
Joint S16 and central shaft S15 surrounds an independent pressure chamber S17.Driving member S18 both ends respectively with pressure balancing piston S11
And lower contact S16 against.Further, driving member S18 is elastic component.Further, driving member S18 is bullet in the present embodiment
Spring.
Fuel feeding valve S12 oil-out connects with pressure chamber S17, and fuel feeding valve S12 is configured to receive control signal and can be to
Pressure chamber S17 injects pressure oil, so that lower contact S16 is away from pressure balancing piston S11.
Gate gurgle valve S13 oil inlet connects with pressure chamber S17, and gate gurgle valve S13 is configured to receive control signal and can arranged
The pressure oil gone out in pressure chamber S17, so that lower contact S16 is close to pressure balancing piston S11.
Further, pressure-regulating device also includes pressure sensor, and pressure sensor is configured to detect outside body S7
Pressure and installation cavity pressure and output control signal.
For example, when pipe external pressure is more than the pressure in installation cavity, pressure oil in gate gurgle valve S13 discharge pressure chambers S17 with
Make lower contact S16 close to pressure balancing piston S11, driving member S18 promotes pressure balancing piston S11 to left movement, in installation cavity
Pressure increase.When pipe external pressure is less than the pressure in installation cavity, fuel feeding valve S12 injects pressure oil, lower contact to pressure chamber S17
S16 moves right away from pressure balancing piston S11, dummy piston, and the pressure in installation cavity reduces.Make the pressure in installation cavity with this
Power and pipe external pressure are basically identical.
Shunt centre bar 604 is sheathed in the middle part of supersonic imaging device.
There are lower packet cavity 603 and lower packet center-pole 601 in lower packet 600, lower packet center-pole 601 is
Hollow stem, some eyelets are set all over the body.Lower packet cavity 603 only can be with the spatially UNICOM of lower packet center-pole 601.Under
The upper end of packer center-pole 601 and the UNICOM of shunt centre bar 604, lower end is extended to inside guide head.
Entirely the operation principle of water cause pressure break stress measurement and induction crack dynamic imaging integrating device is：Drill bit is taken over
100 are connected with drilling rod, are placed into the target detection depth of drilling.Under device Gravitative Loads, Push-and-pull valve center-pole 202 is upward
Move top to, ground high-pressure hydraulic pump transmits water body into drilling rod, and apopore 230 of the water body through Push-and-pull valve center-pole 202 flows into seat
Water shutoff road, enter upper packer cavity 302 from setting water channel, enter branch canal 403, Ran Houzai from upper packer cavity 302
Into shunt centre bar 604, then enter lower packet center-pole 601 through shunt centre bar 604, finally enter lower packet sky
Chamber 603, after the completion of this program, upper packer 300 and lower packet 600 expand under hydraulic pressure effect, and are adjacent to and are fixed on drilling
Hole wall on.This program by the drilling section between upper packer 300 and lower packet 600, individually get up by sealing and isolation.
Then, by drilling rod free-falling until the row of Push-and-pull valve center-pole 202 to bottom, ground high-pressure hydraulic pump pass into drilling rod
Water body is sent, apopore 230 of the water body through Push-and-pull valve center-pole 202 flows into pressure break water channel 301, then upper from the entrance of pressure break water channel 301
Packer cavity center bar 303, subsequently into pressure break chamber 401, final water body exports from the eyelet of pressure break chamber 401, into sealing
Drill section.In the presence of hydraulic pressure continues to increase, sealing drilling section hole wall rock mass are by pressure break, the generation one in horizontal principal stress direction
To parallel, symmetrical vertical crack, high-pressure hydraulic pump is then shut off, crack closes automatically.This process is typically repeated 3-4 times, more
It is secondary that pressurization and pressure release are implemented to sealing drilling section.Pressure change passes through the pressure that is arranged in pressure break chamber 401 in sealing drilling section
Sensor record is got off.The crack sealed on borehole wall passes through pressure break imaging system real time scan and record storage.Crack
Orientation records to obtain by the gyro-magnetic compass being placed in pressure break imaging system.
Finally, drilling rod is above carried, Push-and-pull valve center-pole 202 is pulled upwardly to top, opens manifold of ground, UNICOM's air, on
Pressure in packer 300 and lower packet 600 is laid down with the outflow of high-pressure water body, and packer shrinks automatically recovers original
State.So far, the geostress survey of a measuring point all terminates.This device, which is movable to next target location, to be continued to test.
The water of the present embodiment causes pressure break stress measurement and induction crack dynamic imaging integrating device, and shunt centre bar 604 is
Metal material, its external diameter can be made sufficiently small, therefore ultrasonic imaging system can be placed outside shunt centre bar 604
500, provided to develop suitable for the pressure break imaging of different boring apertures, particularly small-bore and geostress survey apparatus system
Sufficiently may.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of water causes pressure break stress measurement with inducing crack dynamic imaging integrating device, it is characterised in that including：Pressure break insulates
Device,
The fracturing packer includes：Pressure break body is shunted, the shunting pressure break body includes pressure break bar, and the pressure break bar has first
End and the second end, the pressure break bar have pressure break chamber, and the pressure break chamber runs through the first end of the pressure break bar, the pressure break
Bar, which has, is used to exporting the apopore of fracturing fluid, and the pressure break bar has a branch canal isolated with the pressure break chamber, described point
Flowing flux extends through the first end and the second end；Upper packer, the upper packer are connected to the first end, it is described on
Packer is provided with pressure break water channel along its length, and the pressure break water channel connects the pressure break chamber, and the upper packer is set
There is the upper packer cavity isolated with the pressure break water channel, the upper packer cavity connects with the branch canal；Lower packing
Device, the lower packet are connected to second end, and the lower packet has lower packet cavity, the lower packet cavity
Connected with the branch canal；
Ultrasonic imaging system, it is sheathed on the shunt centre bar；
Push-and-pull valve, for being connected with drilling rod, the Push-and-pull valve includes Push-and-pull valve center-pole and valve body, and the valve body is connected to described
Upper packer, the Push-and-pull valve center-pole are provided with apopore, and the Push-and-pull valve center-pole is slideably positioned in the valve body simultaneously
The pressure break water channel or the setting water channel are selectively communicated with, upper packer cavity described in the setting water channel UNICOM is described
Pressure break water channel UNICOM upper packer center-pole.
2. water according to claim 1 causes pressure break stress measurement to exist with inducing crack dynamic imaging integrating device, its feature
In the end of the Push-and-pull valve center-pole is provided with the plug coordinated with the inner chamber of the valve body, and the apopore pushes away described
Draw in valve center-pole sliding process and selectively communicate with the pressure break water channel or the upper packer cavity.
3. water according to claim 1 causes pressure break stress measurement to exist with inducing crack dynamic imaging integrating device, its feature
In the fracturing packer also includes hollow shunt centre bar, and the both ends of the shunt centre bar are connected to described
Two ends are connected with the lower packet, and the lower packet cavity is connected with the branch canal by the shunt centre bar.
4. water according to claim 1 causes pressure break stress measurement to exist with inducing crack dynamic imaging integrating device, its feature
In the upper packer includes upper packer center-pole and hollow housing, and the upper packer center-pole is sheathed on described
It is connected in housing and with the first end, the upper packer center-pole sets the pressure break water channel, the upper packer center
The upper packer cavity is formed between bar and the housing.
5. water according to claim 4 causes pressure break stress measurement to exist with inducing crack dynamic imaging integrating device, its feature
In the upper packer center-pole is threadedly connected to the first end.
6. water according to claim 5 causes pressure break stress measurement to exist with inducing crack dynamic imaging integrating device, its feature
In, the ultrasonic imaging system includes ultrasonic imaging apparatus, including：
Body, the body has the installation cavity surrounded by side wall, and the side wall is provided with and blocks water and be available for ultrasonic wave to pass through
Sound transmitting window；
Ultrasound imaging unit, the ultrasound imaging unit include at least one ultrasonic probe, and the ultrasound imaging unit is movable
Ground is installed on the installation cavity, and the detection direction of the ultrasonic probe is towards the sound transmitting window；
Drive mechanism, the drive mechanism is installed on the installation cavity, and the drive mechanism connects with ultrasonic probe transmission
Connect the axial direction and/or circumferential movement to drive the ultrasonic probe along body.
7. water according to claim 6 causes pressure break stress measurement to exist with inducing crack dynamic imaging integrating device, its feature
In the downhole ultrasonic imaging device also includes central shaft, and ultrasound imaging unit also includes mounting seat, the ultrasonic probe peace
Loaded on the mounting seat, the mounting seat is movably sheathed on the periphery of the central shaft, the drive mechanism and the peace
Fill seat drive connection.
8. downhole ultrasonic imaging device according to claim 7, it is characterised in that the drive mechanism includes actively straight
Tooth roller gear, driven straight spur gear and power set；The active straight spur gear and the power set
Power output portion is connected, and the driven straight spur gear is connected with the central axle threads to form lead screw pair, and institute
Driven straight spur gear is stated to engage with the active straight spur gear；The driven straight spur gear and the mounting seat
Connected in circumference and/or axial restraint.
9. downhole ultrasonic imaging device according to claim 8, it is characterised in that the driven straight spur gear with
The mounting seat is fixedly connected with circumferential and axial.
10. downhole ultrasonic imaging device according to claim 8, it is characterised in that the power set are motor；Institute
State in installation cavity and fill by insulation silicone oil；Preferably, the motor is DC brushless motor.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386784A (en) * | 2018-03-16 | 2018-08-10 | 李启同 | A kind of liftable heat radiating type gardens LED street lamp |
| CN108756872A (en) * | 2018-06-08 | 2018-11-06 | 地泰科学仪器（武汉）有限公司 | A kind of hydraulic fracturing detecting earth stress device of isometrical design |
| CN108798660A (en) * | 2018-06-08 | 2018-11-13 | 河北工程大学 | Hydraulic fracturing stress measurement device |
| CN109960291A (en) * | 2019-04-11 | 2019-07-02 | 中国地质科学院地质力学研究所 | The conversion control device in water pressure supporing water route |
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| CN111502589A (en) * | 2020-04-23 | 2020-08-07 | 中国地质科学院地质力学研究所 | Packer for measuring ground stress by hydraulic fracturing method |
| CN112377103A (en) * | 2020-10-30 | 2021-02-19 | 中国地质大学（武汉） | Pressure feed type horizontal directional drilling engineering geological exploration hydraulic fracturing test device |
| CN112814638A (en) * | 2021-01-26 | 2021-05-18 | 中国地震局第一监测中心 | Ground stress measuring downhole device and hydraulic fracturing ground stress measuring system |
| CN113338884A (en) * | 2021-05-24 | 2021-09-03 | 中国矿业大学 | Single-loop hydrofracturing and impression integrated ground stress testing device and method |
| CN116906028A (en) * | 2023-07-26 | 2023-10-20 | 中国科学院声学研究所 | Real-time imaging acquisition control system of wall of a well supersound |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4665984A (en) * | 1985-08-29 | 1987-05-19 | Tohoku University | Method of measuring crustal stress by hydraulic fracture based on analysis of crack growth in rock |
| CN103472498A (en) * | 2013-09-25 | 2013-12-25 | 中国地震局地壳应力研究所 | Novel impression testing method for measuring hydrofracturing in-situ stress |
| CN104453865A (en) * | 2013-09-17 | 2015-03-25 | 李忠久 | Single-loop hydrofracturing in-situ stress measuring system |
| CN105716747A (en) * | 2016-02-18 | 2016-06-29 | 中国矿业大学 | Crustal stress rapid measuring device and method of rock stratum under coal mine |
| CN205714149U (en) * | 2016-06-12 | 2016-11-23 | 中国地震局地壳应力研究所 | Hydraulic fracturing stress measurement device |
| CN106907146A (en) * | 2017-04-19 | 2017-06-30 | 中国电建集团中南勘测设计研究院有限公司 | One kind control valve and hydrofracturing geodetic stress test device |
| CN107060680A (en) * | 2017-06-23 | 2017-08-18 | 孙东生 | Downhole packer system |
-
2017
- 2017-12-06 CN CN201711276032.4A patent/CN107829725B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4665984A (en) * | 1985-08-29 | 1987-05-19 | Tohoku University | Method of measuring crustal stress by hydraulic fracture based on analysis of crack growth in rock |
| CN104453865A (en) * | 2013-09-17 | 2015-03-25 | 李忠久 | Single-loop hydrofracturing in-situ stress measuring system |
| CN103472498A (en) * | 2013-09-25 | 2013-12-25 | 中国地震局地壳应力研究所 | Novel impression testing method for measuring hydrofracturing in-situ stress |
| CN105716747A (en) * | 2016-02-18 | 2016-06-29 | 中国矿业大学 | Crustal stress rapid measuring device and method of rock stratum under coal mine |
| CN205714149U (en) * | 2016-06-12 | 2016-11-23 | 中国地震局地壳应力研究所 | Hydraulic fracturing stress measurement device |
| CN106907146A (en) * | 2017-04-19 | 2017-06-30 | 中国电建集团中南勘测设计研究院有限公司 | One kind control valve and hydrofracturing geodetic stress test device |
| CN107060680A (en) * | 2017-06-23 | 2017-08-18 | 孙东生 | Downhole packer system |
Non-Patent Citations (1)
| Title |
|---|
| 张重远 等: "地应力测量方法综述", 《河南理工大学学报(自然科学版)》 * |
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| CN108756872A (en) * | 2018-06-08 | 2018-11-06 | 地泰科学仪器（武汉）有限公司 | A kind of hydraulic fracturing detecting earth stress device of isometrical design |
| CN108798660A (en) * | 2018-06-08 | 2018-11-13 | 河北工程大学 | Hydraulic fracturing stress measurement device |
| CN109960291A (en) * | 2019-04-11 | 2019-07-02 | 中国地质科学院地质力学研究所 | The conversion control device in water pressure supporing water route |
| CN109960291B (en) * | 2019-04-11 | 2019-12-06 | 中国地质科学院地质力学研究所 | conversion control device of hydraulic fracturing ground stress measuring waterway |
| CN111322033A (en) * | 2020-04-08 | 2020-06-23 | 黄淮学院 | Underground valve control system and method based on voice recognition |
| CN111502589A (en) * | 2020-04-23 | 2020-08-07 | 中国地质科学院地质力学研究所 | Packer for measuring ground stress by hydraulic fracturing method |
| CN112377103B (en) * | 2020-10-30 | 2021-12-10 | 中国地质大学（武汉） | Pressure feed type horizontal directional drilling engineering geological exploration hydraulic fracturing test device |
| CN112377103A (en) * | 2020-10-30 | 2021-02-19 | 中国地质大学（武汉） | Pressure feed type horizontal directional drilling engineering geological exploration hydraulic fracturing test device |
| CN112814638A (en) * | 2021-01-26 | 2021-05-18 | 中国地震局第一监测中心 | Ground stress measuring downhole device and hydraulic fracturing ground stress measuring system |
| CN113338884A (en) * | 2021-05-24 | 2021-09-03 | 中国矿业大学 | Single-loop hydrofracturing and impression integrated ground stress testing device and method |
| CN116906028A (en) * | 2023-07-26 | 2023-10-20 | 中国科学院声学研究所 | Real-time imaging acquisition control system of wall of a well supersound |
| CN116906028B (en) * | 2023-07-26 | 2024-01-30 | 中国科学院声学研究所 | Real-time imaging acquisition control system of wall of a well supersound |
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Inventor after: Chen Qunce Inventor after: He Hongbin Inventor after: Zhang Zhongyuan Inventor after: Chen Hao Inventor after: Sun Dongsheng Inventor before: Zhang Zhongyuan Inventor before: He Hongbin Inventor before: Chen Qunce Inventor before: Chen Hao Inventor before: Sun Dongsheng |
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Effective date of registration: 20180920 Address after: 100081 11 South Road, Haidian District Nationalities University, Beijing Co-patentee after: Institute of acoustics, Chinese Academy of Sciences Patentee after: Institute of Geomechanics, Chinese Academy of Gelogical Sciences Address before: 100000 11 South Road, Haidian District Nationalities University, Beijing Patentee before: Institute of Geomechanics, Chinese Academy of Gelogical Sciences |