CN208636152U - Angles of azimuth wellbore fracture pressure test device - Google Patents
Angles of azimuth wellbore fracture pressure test device Download PDFInfo
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- CN208636152U CN208636152U CN201820596305.7U CN201820596305U CN208636152U CN 208636152 U CN208636152 U CN 208636152U CN 201820596305 U CN201820596305 U CN 201820596305U CN 208636152 U CN208636152 U CN 208636152U
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Abstract
The utility model discloses a kind of angles of azimuth wellbore fracture pressure test devices, including autoclave pressure, water conservancy diversion plug, axial thrust mechanism, Bit andits control mechanism, temperature control device, acoustic mechanism and expansion mechanism, autoclave pressure includes the first fixed sidewall, the second fixed sidewall, elastic wall, first chamber is formed between first fixed sidewall and the second fixed sidewall, side wall structure forms second chamber in elastic wall；Axial thrust mechanism opposite flow plug is located at the other side of rock, the movement of axial thrust mechanism energy relative pressure kettle；Expansion mechanism includes being arranged on distance rod and can the expansion tube that radially deformation occurs and the expansion pipe being arranged on water conservancy diversion plug.Expansion mechanism independent loops can realize the control for applying different pressures different temperatures to circulation passage in wellbore, it can be achieved that independent control to wellbore confining pressure and axial compressive force, pass through the fracture pressure that expansion tube cubic deformation calculates wellbore rock.
Description
Technical field
The utility model relates to Rock Mechanics Test fields more particularly to a kind of angles of azimuth wellbore fracture pressure test to fill
It sets.
Background technique
With going deep into for oil and gas development, drilling well vertical depth has been approached myriametre, and different well type barefoot interval length constantly increase
Adding, drilling safety window is more and more narrow, meanwhile, the temperature environment of deep layer rock dramatically increases, in high temperature well drilling process
Mid-deep strata rock of borehole temperature is even up to 350 DEG C or more, and the variation of rock temperature leads to the structure and mechanical characteristic meeting of rock
It changes, therefore the accurate affecting laws for understanding temperature change and breaking ring mechanism to rock mechanics and damage, differentiates and pre-
Borehole wall stability under wall strength, the especially condition of high temperature is surveyed to have important practical significance to safety drilling engineering.
It is existing simulation deep rock complex environment rock mechanics experiment be mainly with constant temperature static mechanical testing machine
Carry out on the rock mechanics experiment device of representative, obtains the mechanical characteristic of rock under constant temperature seepage flow and static pressure coupling condition.Early in
In the 1980s, rock medium acoustical testing device have been relatively mature, but limited by device, will not always
Acoustic wave of rock test is synchronous with mechanical test, not can satisfy the acoustic response device that rock high pressure temperature becomes state；Expansion tube
It is big with swelling volume, the features such as uniform is deformed, well workover, tail pipe of drilling engineering etc., bulged tube technology are largely used to
Appearance, change existing Mechanical loading mode, integrate the prior art.
1, for superficial part low temperature formation, it can satisfy the survey of the physical parameter of rock using traditional mechanical test mode
It is fixed, and method is mature, data acquisition is direct, and the development of acoustic response test is restricted, and acoustical testing does not need to carry out drilling well
Adopt core, great save the cost and time；2, with the exploitation of hp-ht well, high-temperature, high pressure collective effect are to rock
The influence of physical parameter aggravates, and single temperature or confining pressure environmental simulation cannot accurately simulate required environment.3, expansion tube
Technology is material new technique, more difficult to the pressure control of expansion tube.
Therefore, developing and studying a set of economy simple and direct indoor measurement method and device is to solve deep layer high temperature well drilling shaft lining
Stablize the task of top priority of mechanics study.
Utility model content
In order to overcome the drawbacks described above of the prior art, the technical problem to be solved by the utility model is to provide a kind of multi-party
Parallactic angle wellbore fracture pressure test device can test fracture pressure of the rock under different temperatures variation.
The specific technical solution of the utility model is: a kind of angles of azimuth wellbore fracture pressure test device, including pressure
Kettle, water conservancy diversion plug, axial thrust mechanism, Bit andits control mechanism, temperature control device, acoustic mechanism and expansion mechanism, wherein
The autoclave pressure includes the first fixed sidewall, the second fixed sidewall being arranged in first fixed sidewall, is arranged described
The elastic wall of deformation can be generated in second fixed sidewall and radially, first fixed sidewall and second fixed sidewall it
Between form first chamber, in the elastic wall side wall structure form second chamber；The water conservancy diversion plug is arranged in the elastic wall
For rock accommodating, the diversion pipe being connected to first chamber is provided on the water conservancy diversion plug；The axial thrust mechanism is opposite
The water conservancy diversion plug is located at the other side of rock, the axial thrust mechanism can the relatively described autoclave pressure movement, the axial direction pushes away
One end that force mechanisms are located in autoclave pressure is provided with the seepage flow plug that can be engaged with the autoclave pressure, and the seepage flow plug has energy
The seepage flow being connected between the first chamber and the second chamber is led to when the seepage flow plug is engaged with the autoclave pressure
Road；The Bit andits control mechanism can relatively described second fixed sidewall move radially, one end of Bit andits control mechanism position
In in the first chamber, the other end of the Bit andits control mechanism is arranged on elastic wall；The temperature control device includes
The fluid source being connected to the first chamber and the temperature detecting unit being arranged at the diversion pipe；The acoustic mechanism packet
It includes and the water conservancy diversion plug is set away from the acoustic emission apparatus of the rock side and is arranged in the seepage flow plug away from institute
The acoustic receiver device of rock side is stated, or, the acoustic receiver device that the water conservancy diversion plug deviates from the rock side is arranged in
Be arranged in the seepage flow plug deviate from the rock side acoustic emission apparatus；The expansion mechanism includes being arranged described
On distance rod and can the expansion tube that radially deformation occurs and the expansion pipe being arranged on the water conservancy diversion plug, the expansion
Connector can be engaged when the seepage flow plug is engaged with the autoclave pressure with the expansion tube.
Preferably, the autoclave pressure includes upper cover, and the axial thrust mechanism includes axially loaded mechanism, can be with the axis
It is sequentially connected to loading mechanism and wears distance rod on the cover, the distance rod is located at one end in the autoclave pressure
It is fixedly installed the seal cover board with upper cover sealing, the seepage flow plug is fixed on the seal cover board, described
Expansion tube is threaded through on the seepage flow plug.
Preferably, the seepage flow plug is provided with protective cover away from the side of rock at it, and the protective cover is located at institute
It states outside acoustic probes.
Preferably, the autoclave pressure includes bottom plate, and the drain plug being connected to the pressure chamber, institute are provided on the bottom plate
Diversion pipe is stated to be threaded through on the bottom plate.
Preferably, the temperature control device can according to the data that the temperature detecting unit obtains to the fluid source into
Row control, forms chamber between the water conservancy diversion plug and the bottom plate, the acoustic probes are arranged in the chamber.
Preferably, the seepage flow interface is provided with multiple water conservancy diversion along the circumferential direction arranged towards the side of rock at it
Slot, each diversion trench are connected to seepage channel.
Preferably, the acoustic probes are periodical acoustic probes, and the acoustic probes include shear wave acoustic probes and indulge
Wave acoustic probes.
Preferably, including angle control device, the angle control device can be such that the autoclave pressure rotates, so that the pressure
Power kettle relative level is in angle.
Preferably, the Bit andits control mechanism includes displacement sensor.
Preferably, the expanding pipe joint is closed away from one end of the expansion tube.
Preferably, including control unit, described control unit are used for axial thrust mechanism, Bit andits control mechanism, temperature
Control mechanism, acoustic mechanism are controlled.
The advantages of the utility model: expansion mechanism independent loops are, it can be achieved that control wellbore confining pressure and the independent of axial compressive force
System, while can realize the control for applying different pressures different temperatures to circulation passage in wellbore, it is pushed away by expansion tube cubic deformation
The fracture pressure of wellbore rock is calculated, acoustic signal subsidiary establishes acoustics while predicting and evaluating underground wall strength
The relationship of signal and mechanical characteristic provides guidance foundation for the wellbore stability prediction of oil/gas deep well, ultradeep well and high temperature well.
Detailed description of the invention
Attached drawing described here is only used for task of explanation, and is not intended to limit in any way disclosed by the utility model
Range.In addition, shape and proportional sizes of each component in figure etc. are only schematically, to be used to help the reason to the utility model
Solution is not the specific shape and proportional sizes for limiting each component of the utility model.Those skilled in the art is practical new at this
Under the introduction of type, various possible shapes and proportional sizes can be selected to implement the utility model as the case may be.
Fig. 1 is the structural schematic diagram according to the angles of azimuth wellbore fracture pressure test device of the utility model embodiment.
Fig. 2 is the bottom view of axial thrust mechanism；
Fig. 3 is the schematic cross-section of Fig. 2；
Fig. 4 is the top view of autoclave pressure；
Fig. 5 is the cross-sectional view of Fig. 4；
Fig. 6 is rock forces testing schematic diagram.
The appended drawing reference of the figures above: 1- autoclave pressure；2- acoustic mechanism；3- expansion mechanism；4- pitch angle control mechanism；41-
Flanged joint seat；42- console pedestal；43- support rod；44- fluid pressure drive device；45- lead screw；46- hydraulic control box；5-
Control unit；The first fixed sidewall of 101-；The second fixed sidewall of 102-；103- Bit andits control mechanism；Pressure head is sealed on 104a-；
104b- water conservancy diversion plug；105- drain plug；106- seepage flow plug；107- seepage flow interface；108- seal cover board；109- upper cover；
110- elastic wall；201- transmitting probe；202- interface；203- receiving transducer；301- expansion tube；It expands and is shorted on 302a-；
It expands and is shorted under 302b-；303- is pressurized pipeline.
Specific embodiment
In conjunction with the description of attached drawing and specific embodiment of the present invention, the utility model can be clearly understood
Details.But specific embodiment of the present utility model described herein, it is only used for explaining the purpose of this utility model, without
It can be understood as being limitations of the present invention in any way.Under the introduction of the utility model, technical staff is contemplated that
Any possible deformation based on the utility model, these are regarded as belonging to the scope of the utility model.
Referring to Fig.1, the angles of azimuth wellbore fracture pressure test shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, in the embodiment of the present application
Device includes: autoclave pressure 1, water conservancy diversion plug 104b, axial thrust mechanism, Bit andits control mechanism 103, temperature control device, acoustics
Mechanism 2 and expansion mechanism 3, wherein the autoclave pressure 1 includes the first fixed sidewall 101, is arranged in first fixed sidewall
The second fixed sidewall 102 in 101, the elastic wall for being arranged in second fixed sidewall 102 and capable of radially generating deformation
110, first chamber is formed between first fixed sidewall 101 and second fixed sidewall 102, in the elastic wall 110
Side wall structure forms second chamber；The water conservancy diversion plug 104b is arranged in the elastic wall 110 for rock accommodating, the water conservancy diversion
The diversion pipe being connected to first chamber is provided on plug 104b；The axial thrust mechanism is water conservancy diversion plug 104b relatively described
In the other side of rock, the axial thrust mechanism autoclave pressure 1 can move relatively, and the axial thrust mechanism is located at pressure
One end in kettle 1 is provided with the seepage flow plug 106 that can be engaged with the autoclave pressure 1, and the seepage flow plug has can be in the infiltration
The seepage channel that stream plug 106 will be connected to when engaging with the autoclave pressure 1 between the first chamber and the second chamber；Institute
Rheme move control mechanism 103 can relatively described second fixed sidewall 102 move radially, the one of the Bit andits control mechanism 103
End is located in the first chamber, and the other end of the Bit andits control mechanism 103 is arranged on elastic wall 110；The temperature control
Mechanism processed includes the fluid source being connected to the first chamber and the temperature detecting unit that is arranged at the diversion pipe；It is described
Acoustic mechanism 2 includes that the water conservancy diversion plug 104b is arranged in away from the acoustic emission apparatus of the rock side and is arranged described
Seepage flow plug 106 deviates from the acoustic receiver device of the rock side, or, setting is in the water conservancy diversion plug 104b away from described
The acoustic receiver device of rock side deviates from the acoustic emission apparatus of the rock side with the seepage flow plug 106 is arranged in；
The expansion mechanism 3 include be arranged on the distance rod and can the expansion tube 301 that radially deformation occurs and setting in institute
State lower expansion on water conservancy diversion plug 104b and be shorted 302b, the lower expansion short circuit 302b can the seepage flow plug 106 with it is described
Autoclave pressure 1 engages when engaging with the expansion tube 301.
By above structure, the fluid entered from pressure chamber can enter elastic wall from the seepage channel of seepage flow plug 106
110, the fluid in pressure chamber can provide elastic wall 110 radial active force by Bit andits control mechanism 103, into elasticity
Fluid in wall 110 can provide rock axial active force, and temperature control device can be according to temperature sensor come to bullet
The temperature of fluid in property wall 110 is controlled, and the high temperature and pressure structure of rock has thus been constructed.Also, acoustic mechanism 2
Sonic test can also be carried out to the rock in elastic wall 110.It can realize simultaneously and different pressures are applied to circulation passage in wellbore
The control of different temperatures calculates the fracture pressure of wellbore rock by 301 cubic deformation of expansion tube.
Referring to shown in Fig. 4 and Fig. 5, specifically, autoclave pressure 1 includes bottom wall, the first fixed sidewall being arranged on bottom wall
101, the second fixed sidewall 102 being arranged on bottom wall, the elastic wall 110 being arranged on bottom wall.Second fixed sidewall 102 is located at
The inside of first fixed sidewall 101, and clearance space between the two forms first chamber.Second fixed sidewall 102 is located at
The inside of second fixed sidewall 102, and the inner wall of the second fixed sidewall 102 surrounds and forms second chamber.
First fixed sidewall 101 has flange, which can be connect by flange with upper cover 109.Pass through method on bottom wall
Orchid can connect with pitch angle control mechanism 4.Including angle control device, the angle control device can make 1 turn of the autoclave pressure
It is dynamic, so that 1 relative level of the autoclave pressure is in angle.Specifically, pitch angle control mechanism 4 includes flanged joint seat 41, control
Platform pedestal 42, support rod 43, fluid pressure drive device 44 (for example, jack), lead screw 45, hydraulic control box 46, the hydraulic control
Case 46 processed, which can control fluid pressure drive device 44, makes it extend or shrink.Flanged joint seat 41 is fixed on bottom wall.Support
One end of bar 43 is fixed on console pedestal 42, and the other end and flanged joint seat 41 of support rod 43 are hinged.Hydraulic drive
Dynamic device 44 can make flanged joint seat 41 that autoclave pressure 1 be driven to rotate relative to support rod 43, to form angle with horizontal plane.Lead screw
45 are arranged between flanged joint seat 41 and console pedestal 42, for when fluid pressure drive device 44 runs to predetermined position,
Autoclave pressure 1 is fixed.The drain plug 105 being connected to the first chamber is additionally provided on the bottom wall of autoclave pressure 1.
First fixed sidewall 101 and the second fixed sidewall 102 can be made of steel construction.Elastic wall 110 can be become by height
Shape metal is made.Wherein, the first fixed sidewall 101 and bottom wall can construct for integral type.Second fixed sidewall 102 can pass through
Pin is fixed on bottom wall.Elastic wall 110 can radially deformation occurs.
Lower end inside elastic wall 110 is provided with water conservancy diversion plug 104B.Rock can be placed on water conservancy diversion plug 104B,
And it is located in second chamber.The diversion pipe being connected to second chamber is provided on the water conservancy diversion plug 104B and the bottom wall.Institute
Stating diversion pipe the fluid in second chamber can be discharged.
Shown in referring to Fig.1, the Bit andits control mechanism 103 can the relatively described rigid bucket edge move radially, the displacement is controlled
One end of mechanism 103 processed is located in the first chamber, and the other end of the Bit andits control mechanism 103 is arranged in the elastic wall
On 110.Fluid in first chamber can generate radial effect to elastic wall 110 by Bit andits control mechanism 103
Power, to make the deformation of the generation of elastic wall 110 radially.The Bit andits control mechanism 103 further includes that can detect 110 edge of elastic wall
The radial displacement sensor that deformation occurs measures.
Referring to shown in Fig. 2 and Fig. 3, the axial thrust mechanism includes axial loading device, can be with the axially loaded dress
The distance rod for being sequentially connected and being threaded through in the upper cover 109 is set, one end that the distance rod is located in the autoclave pressure 1 is fixed
It is provided with the seal cover board 108 with the upper cover 109 sealing, the deflector includes seepage flow plug 106 and seepage flow interface
107.Seepage flow interface 107 is bolted in seepage flow plug 106, and seepage flow interface 107 is bolted on seal cover board 108
On.
Seepage flow interface 107 can cooperate with the top of pressure chamber to be sealed, and seepage flow plug 106 can match with the top seal of elastic bucket
It closes.The seepage flow interface 107 is provided with multiple diversion trenches along the circumferential direction arranged towards the side of rock at it, each described
Diversion trench is connected to seepage channel.The seepage channel is connected to elastic barrel cavity, and the diversion trench is connected to pressure chamber.It is described
The distance rod of axial thrust mechanism the autoclave pressure 1 can move relatively, to make deflector and first fixed sidewall
101, the second fixed sidewall 102 and elastic bucket engagement, are connected to the first chamber with the second chamber.
Shown in referring to Fig.1, in the present embodiment, the temperature control device includes the stream being connected to the first chamber
Body source and the temperature sensor being arranged at the diversion pipe.The temperature control device can be obtained according to the temperature sensor
To data the fluid source is controlled.Specifically, temperature control device may include electric furnace, temperature sensor,
Temperature indicator, signal output interface 202, resistance control valve.The inlet of temperature control device is connect with feed liquor case, temperature control
The outlet of mechanism processed is connected to drain plug 105, and temperature sensor is installed in intake chute.Control unit 5 is exported with signal respectively
Interface 202 is connected with temperature indicator, and control resistance controls valve position, adjusts the size of adding thermal resistance, storage temperature data,
Show current temperature value.
In the present embodiment, the seepage flow plug 106 is provided with protective cover, the protection in the side that it deviates from rock
It is located at outside the acoustic emission apparatus.Chamber is formed between the water conservancy diversion plug 104b and the bottom wall, the sound wave connects
Receiving apparatus is arranged in the chamber.
Acoustic emission apparatus include acoustic emission probe 201, wire interface 202, probe protective shell, compress gasket and bolt,
Seal pin.Acoustic emission probe 201 is built among the protective cover of certain rigidity；Transmitting probe 201 is fixed on seepage flow plug 106
In groove, to guarantee that acoustic emission probe 201 contacts well with seepage flow plug 106, respectively in 201 end of acoustic emission probe and seepage flow
106 contact surface daubing coupling agent of plug；Protective cover is connect by compress gasket and bolt with seal cover board 108, acoustic emission probe
201 are in sealing state, and effect is to prevent acoustic emission probe 201 from bearing fluid pressure and damaging.Conducting wire passes through interface 202
Connect external equipment.Seal pin connects protective cover and cover board.
The acoustic receiver device of the embodiment of the present application includes two sealed chambers, compress gaskets and compression pins, conducting wire
Outlet, seal pin.Longitudinal wave probe and shear wave probe are respectively arranged in two sealing cavities.The compression pin and clamping pad
The effect of piece is that two probes are fastened in respective sealed chamber.The acoustic emission apparatus and sound wave of the embodiment of the present application connect
Receiving apparatus is that periodically test is popped one's head in.
Of course, the seepage flow plug 106 is arranged at it away from the side of rock in another optional embodiment
There is protective cover, the protective cover is located at outside the acoustic receiver device.Shape between the water conservancy diversion plug 104b and the bottom wall
At chamber, the acoustic emission apparatus is arranged in the chamber.Specifically, the acoustic receiver device and the emitter
Including periodical acoustic probes.The acoustic receiver device includes shear wave acoustic receiver probe 203 and longitudinal wave acoustic receiver probe
203。
Expansion mechanism 3 includes the upper sealing for being pressurized pipeline 303, being threaded through in upper cover 109 and being connected to pressurization pipeline 303
Pressure head 104a, the expansion for being connected to sealing pressure head 104a and passing through protective cover and seepage flow plug 106 are shorted, are connected to expansion
The expansion tube 301 for being shorted the lower end 302a, the lower expansion being arranged on water conservancy diversion plug 104b are shorted 302b, and lower expansion is shorted 302b
It can be engaged when the seepage flow plug 106 is engaged with the autoclave pressure 1 with the expansion tube 301.Being pressurized pipeline 303 can be with
Electric furnace connection, to receive high temperature fluid.
The embodiment of the present application further includes control unit 5, and described control unit 5 is used for axial thrust mechanism, Bit andits control
Mechanism 103, temperature control device, acoustic mechanism 2, expansion mechanism 3 are controlled.Specifically, described control unit 5 includes letter
It number receives and conversion chunking, computer, processing software, temperature in implementable test process, pressure, displacement, sound wave and inclination angle
Measurement and control.
Test procedure provided in this embodiment is as follows:
(1) that rock is put into rock pressure is intracavitary.
(2) setting tilt angle is modulated by pitch angle control mechanism 4 to fix.
(3) acoustic emission apparatus harmony wave receiving device, and start recording are opened.
(4) temperature control device is adjusted, medium in outlet tube is heated and injects fluid to set temperature into first chamber and apply
Add confining pressure, fluid is injected into expansion tube 301 to be made expansion tube 301 deformation occurs.
(5) it pressurizes, heats.
(6) it after testing, drains the oil.
(7) pressure chamber is opened, device is taken out into testing stand, engineering liquid is discharged.
Referring to shown in Fig. 6, the utility model is suitable for during rock mechanics triaxial tests to the same of acoustic wave of rock state
Step monitoring, while being suitable for state of sound waves measurement of the rock under different temperatures and pressure environment, while being suitable for different well type
Mechanics and information of acoustic wave same pacing of (straight well, horizontal well, directional well) the wellbore rock under different temperatures and pressure environment
Amount is able to solve acoustic wave of rock state and mechanics parameter measurement under high-temperature high-pressure state.
The advantages of the utility model: 3 independent loops of expansion mechanism are, it can be achieved that control wellbore confining pressure and the independent of axial compressive force
System, while can realize the control for applying different pressures different temperatures to circulation passage in wellbore, pass through 301 cubic deformation of expansion tube
Calculate the fracture pressure of wellbore rock, acoustic signal subsidiary establishes sound while predicting and evaluating underground wall strength
The relationship of signal and mechanical characteristic is learned, provides guidance foundation for the wellbore stability prediction of oil/gas deep well, ultradeep well and high temperature well.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (9)
1. a kind of angles of azimuth wellbore fracture pressure test device, which is characterized in that pushed away including autoclave pressure, water conservancy diversion plug, axial direction
Force mechanisms, Bit andits control mechanism, temperature control device, acoustic mechanism and expansion mechanism, wherein the autoclave pressure includes first
Simultaneously energy is arranged in second fixed sidewall in fixed sidewall, the second fixed sidewall being arranged in first fixed sidewall
The elastic wall for radially generating deformation, forms first chamber between first fixed sidewall and second fixed sidewall, institute
It states side wall structure in elastic wall and forms second chamber；The water conservancy diversion plug is arranged in the elastic wall for rock accommodating, described
The diversion pipe being connected to first chamber is provided on water conservancy diversion plug；The relatively described water conservancy diversion plug of the axial thrust mechanism is located at rock
The other side of stone, the axial thrust mechanism can autoclave pressure movement relatively, the axial thrust mechanism is located in autoclave pressure
One end be provided with the seepage flow plug that can be engaged with the autoclave pressure, the seepage flow plug has can be in the seepage flow plug and institute
State the seepage channel that will be connected between the first chamber and the second chamber when autoclave pressure engagement；The Bit andits control mechanism
Can relatively described second fixed sidewall move radially, one end of the Bit andits control mechanism is located in the first chamber, institute
The other end that rheme moves control mechanism is arranged on elastic wall；The temperature control device includes being connected to the first chamber
Fluid source and the temperature detecting unit being arranged at the diversion pipe；The acoustic mechanism includes being arranged in the water conservancy diversion plug
Away from the rock side acoustic emission apparatus and be arranged in the seepage flow plug deviate from the rock side acoustic receiver
Device, or, the water conservancy diversion plug is arranged in away from the acoustic receiver device of the rock side and is arranged in the seepage flow plug
Acoustic emission apparatus away from the rock side；The expansion mechanism includes being arranged on distance rod and shape capable of radially occurring
The expansion tube of change and the expansion pipe being arranged on the water conservancy diversion plug, the expansion pipe can be in the seepage flow plug and institutes
It is engaged when stating autoclave pressure engagement with the expansion tube.
2. angles of azimuth wellbore fracture pressure test device according to claim 1, which is characterized in that the autoclave pressure packet
Upper cover is included, the axial thrust mechanism includes axially loaded mechanism, can connect and be threaded through with the axially loaded mechanism driving
Distance rod on the upper lid, one end that the distance rod is located in the autoclave pressure are fixedly installed and upper cover sealing
Seal cover board, the seepage flow plug are fixed on the seal cover board, and the expansion tube is threaded through on the seepage flow plug.
3. angles of azimuth wellbore fracture pressure test device according to claim 1, which is characterized in that the seepage flow plug
Side of rock is provided with protective cover at it, the protective cover is located at outside the acoustic mechanism.
4. angles of azimuth wellbore fracture pressure test device according to claim 1, which is characterized in that the autoclave pressure packet
Bottom plate is included, the drain plug being connected to the first chamber is provided on the bottom plate, the diversion pipe is threaded through on the bottom plate.
5. angles of azimuth wellbore fracture pressure test device according to claim 4, which is characterized in that the temperature control
Mechanism can control the fluid source according to the data that the temperature detecting unit obtains, the water conservancy diversion plug and the bottom
Chamber is formed between plate, the acoustic probes are arranged in the chamber.
6. angles of azimuth wellbore fracture pressure test device according to claim 1, which is characterized in that seepage flow interface is at it
The side of rock is provided with multiple diversion trenches along the circumferential direction arranged, each diversion trench is connected to seepage channel.
7. angles of azimuth wellbore fracture pressure test device according to claim 1, which is characterized in that the acoustic mechanism
For periodical acoustic probes, the periodicity acoustic probes include shear wave acoustic probes and longitudinal wave acoustic probes.
8. angles of azimuth wellbore fracture pressure test device according to claim 1, which is characterized in that including pitch angle control
Device, the angle control device can be such that the autoclave pressure rotates, so that the autoclave pressure relative level is in angle, institute's rheme
Moving control mechanism includes displacement sensor.
9. angles of azimuth wellbore fracture pressure test device according to claim 1, which is characterized in that single including control
Member, described control unit are used for axial thrust mechanism, Bit andits control mechanism, temperature control device, acoustic mechanism, expansion mechanism
It is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820596305.7U CN208636152U (en) | 2018-04-25 | 2018-04-25 | Angles of azimuth wellbore fracture pressure test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820596305.7U CN208636152U (en) | 2018-04-25 | 2018-04-25 | Angles of azimuth wellbore fracture pressure test device |
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| CN208636152U true CN208636152U (en) | 2019-03-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318345A (en) * | 2018-04-25 | 2018-07-24 | 中国石油大学(北京) | Angles of azimuth wellbore fracture pressure test device |
| CN112629761A (en) * | 2021-02-08 | 2021-04-09 | 山西江淮重工有限责任公司 | High-voltage safety testing device and high-voltage safety testing method |
| WO2021139639A1 (en) * | 2020-01-09 | 2021-07-15 | 中国石油大学(北京) | Acoustic wave testing device for shallow water flow |
| CN114279922A (en) * | 2020-09-27 | 2022-04-05 | 中国石油天然气集团有限公司 | Shale water absorption testing device and testing method |
-
2018
- 2018-04-25 CN CN201820596305.7U patent/CN208636152U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318345A (en) * | 2018-04-25 | 2018-07-24 | 中国石油大学(北京) | Angles of azimuth wellbore fracture pressure test device |
| CN108318345B (en) * | 2018-04-25 | 2024-02-06 | 中国石油大学(北京) | Multi-azimuth borehole fracture pressure testing device |
| WO2021139639A1 (en) * | 2020-01-09 | 2021-07-15 | 中国石油大学(北京) | Acoustic wave testing device for shallow water flow |
| CN114279922A (en) * | 2020-09-27 | 2022-04-05 | 中国石油天然气集团有限公司 | Shale water absorption testing device and testing method |
| CN112629761A (en) * | 2021-02-08 | 2021-04-09 | 山西江淮重工有限责任公司 | High-voltage safety testing device and high-voltage safety testing method |
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