CN105004499B - A kind of testing stand for testing underground drill stem stick slip vibration mechanical characteristic - Google Patents
A kind of testing stand for testing underground drill stem stick slip vibration mechanical characteristic Download PDFInfo
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- CN105004499B CN105004499B CN201510289115.1A CN201510289115A CN105004499B CN 105004499 B CN105004499 B CN 105004499B CN 201510289115 A CN201510289115 A CN 201510289115A CN 105004499 B CN105004499 B CN 105004499B
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Abstract
The present invention provides a kind of testing stand for testing underground drill stem stick slip vibration mechanical characteristic, including：Main body rack, it is vertically arranged at intervals with horizontal supporting plate and lower horizontal supporting plate；Motor-driven mechanism, it is installed on horizontal supporting plate；Drill string simulation mechanism, positioned at the downside of upper horizontal supporting plate, including upper rotating disk, drill string, lower rotating disc, universal joint and the brake disc being from top to bottom sequentially connected, and upper rotating disk is connected with the output shaft of motor-driven mechanism lower end；Movable supporting plate, what can be moved up and down is connected with main body rack, and mobile cylinder is placed with movable supporting plate, and lower rotating disc, universal joint and brake disc are located in cylinder；Work condition analogue mechanism, including electromagnetic exciter and at least two springs, electromagnetic exciter are installed on lower horizontal supporting plate, and the upper end of spring is connected with movable supporting plate, and its lower end is connected to lower horizontal supporting plate.The present invention can be used to analyze the reason for stick slip vibration occurs for underground drill stem in drilling process and its influence factor.
Description
Technical field
The invention belongs to petroleum drilling and mining field, and underground drill stem stick slip vibration mechanical characteristic is tested in particular to one kind
Experiment simulator.
Background technology
Drill string stick slip vibration is a kind of self-excited vibration caused by the non-linear nature of friction.In deep-well, ultradeep well
Drilling process in, stratum fluctuations are larger, and lithology is changeable, serious heterogeneity.As the increase of well depth, casing programme are complicated
And borehole size reduces, stratum is soft or hard staggeredly, and formation hardness and plasticity increase, and abrasiveness enhancing, drillability is deteriorated；When drilling well is deep
When degree reaches a few kms, then its torsional stiffness declines, and drill bit is influenceed by frictional resistance, drill bit periodically stagnated, rotated,
Drill string is set to produce stick slip vibration；When stick slip vibration frequency and DRILL-STRING SYSTEM intrinsic frequency are close, resonance, serious damage are easily produced
Evil drill string, with the increase of drill string length, stick slip vibration phenomenon can also become readily apparent from.
Research on drill string stick slip vibration rarely has test method at present, and majority research is also limited to theoretical research.Such as：Will
The particularity of drill column structure is described with elastic space curve；Establish the Drillstring Torsional Vibration number of moment of torsion advocate approach and corner advocate approach
Learn model.Drill string is converted into rocking with torsional rigidity and rotary inertia by Most scholars, establishes Drillstring Torsional Vibration mould
Type；Also some scholars study drill string stick slip vibration using limited element analysis technique.
In view of this, the present inventor develops one according to the production design experience for being engaged in this area and association area for many years
The experiment simulator of kind test underground drill stem stick slip vibration mechanical characteristic, to solve the problems, such as that prior art is present.
The content of the invention
The purpose of the present invention is to be to provide a kind of experiment simulator for testing underground drill stem stick slip vibration mechanical characteristic,
The reason for stick slip vibration occurs for underground drill stem in drilling process and its influence factor can be used to analyze.
Therefore, the present invention proposes a kind of testing stand for testing underground drill stem stick slip vibration mechanical characteristic, it includes：
One main body rack, horizontal supporting plate and once horizontal support are vertically arranged at intervals with one on the main body rack
Plate；
One motor-driven mechanism, it is installed on the upper horizontal supporting plate, for providing rotary power and moment of torsion；
One drill string simulation mechanism, positioned at the downside of the upper horizontal supporting plate, it includes from top to bottom being sequentially connected upper
Rotating disk, drill string, lower rotating disc, universal joint and brake disc, and the upper rotating disk and the motor-driven mechanism lower end is defeated
Shaft is connected；
One movable supporting plate, what can be moved up and down is connected with the main body rack, is placed with the movable supporting plate
One mobile cylinder, the lower rotating disc, universal joint and brake disc are located in the cylinder, and the brake disc and the circle
Distance is separated between the cylinder bottom of cylinder；
One Work condition analogue mechanism, including an electromagnetic exciter and at least two springs, the electromagnetic exciter are installed on described
On lower horizontal supporting plate, its upper end is adjacent with the movable supporting plate, and the upper end of the spring is connected with the movable supporting plate
Connect, its lower end is connected to the lower horizontal supporting plate, and two springs are correspondingly arranged at the two relative of the electromagnetic exciter
Side.
The testing stand of test underground drill stem stick slip vibration mechanical characteristic as described above, wherein, it is additionally provided with a camera, institute
Camera upside is stated in the surface of the cylinder, and passes through a support bar adjacent to the side of the drill string, the camera
It is connected with the main body rack.
The testing stand of test underground drill stem stick slip vibration mechanical characteristic as described above, wherein, the drill string simulation mechanism
It is additionally provided with encoder on one and once encoder, the upper encoder is set in the brill in the upper rotating disk
At the upper end of post, the lower encoder is arranged on the lower rotating disc, and is set at the lower end of the drill string, its
In, the upper encoder and lower encoder do not contact with the drill string.
The testing stand of test underground drill stem stick slip vibration mechanical characteristic as described above, wherein, on the movable supporting plate
Another to be provided with two laser displacement sensors, the phase angle between two laser displacement sensors is 90 degree.
The testing stand of test underground drill stem stick slip vibration mechanical characteristic as described above, wherein, the cylinder bottom of the cylinder is another
Provided with an optical sensor, it is located at the underface of the lower rotating disc.
The testing stand of test underground drill stem stick slip vibration mechanical characteristic as described above, wherein, it is right on the lower rotating disc
Title is provided with two studs, and a balance adjustment block is arranged with wherein one stud, and its end is bolted with nut.
The testing stand of test underground drill stem stick slip vibration mechanical characteristic as described above, wherein, the main body rack is one
The frame structure placed vertically, it includes a base and multiple heel posts being evenly distributed, the lower end of the heel post with
The base is connected, and pole is connected between the upper end of the heel post, wherein, the upper horizontal supporting plate and lower horizontal branch
Fagging is connected with each heel post respectively.
The testing stand of test underground drill stem stick slip vibration mechanical characteristic as described above, wherein, divide on each heel post
One line slideway vertically set is not installed, the movable supporting plate is connected with the sliding block of each line slideway
Connect, to be moved up and down with the sliding block.
The testing stand of test underground drill stem stick slip vibration mechanical characteristic as described above, wherein, on the cylinder bottom of the cylinder
Multiple rollers that can be rotated are installed, each roller is supported in the movable supporting plate along the circumferential uniform of the cylinder
On.
The experiment simulator of test underground drill stem stick slip vibration mechanical characteristic provided by the invention, by testing quantitative point
Analysis, study the reason for stick slip vibration occurs for underground drill stem in drilling process and its influence factor；Multi-parameter can be changed simultaneously to enter
Row underground drill stem stick slip vibration mechanical property testing, and the motion state of underground drill stem is carried out by using image processing techniques
Quantitative analysis, support and reference are provided for the work of later stage actual well drilled.In addition, the present invention can be also transformed slightly for analyzing drill string
Rock and suppress stick-slip mechanism and torsional pulse suppression stick-slip mechanism, have broad application prospects.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the composition structural representation of the testing stand of the test underground drill stem stick slip vibration mechanical characteristic of the present invention.
Fig. 2 is the schematic perspective view of lower rotating disc in the present invention.
Fig. 3 is the front view of lower rotating disc in the present invention.
Fig. 4 is intended to for what heel post in the present invention was connected with movable supporting plate according to diagram.
Main element label declaration：
The base of 1 main body rack 101
The pole of 102 heel post 103
Horizontal supporting plate on 11
12 times line slideways of horizontal supporting plate 13
The motor-driven mechanism of 131 sliding block 2
Rotating disk on 3 drill string simulation mechanisms 31
The lower rotating disc of 32 drill string 33
The nut of 331 stud 332
The brake disc of 34 universal joint 35
37 times encoders of encoder on 36
38 balance adjustment blocks
The laser displacement sensor of 4 movable supporting plate 41
The electromagnetic exciter of 5 Work condition analogue mechanism 51
52 springs
The optical sensor of 6 cylinder 61
The camera of 62 roller 7
71 support bars
Embodiment
The present invention provides a kind of testing stand for testing underground drill stem stick slip vibration mechanical characteristic, and it includes：One main body branch
Frame, horizontal supporting plate and once horizontal supporting plate are vertically arranged at intervals with one on the main body rack；One motor driving machine
Structure, it is installed on the upper horizontal supporting plate, for providing rotary power and moment of torsion；One drill string simulation mechanism, positioned at described
The downside of upper horizontal supporting plate, it includes upper rotating disk, drill string, lower rotating disc, universal joint and the system being from top to bottom sequentially connected
Moving plate, and the upper rotating disk is connected with the output shaft of the motor-driven mechanism lower end；One movable supporting plate, can on move down
Dynamic is connected with the main body rack, and a mobile cylinder, the lower rotating disc, ten thousand are placed with the movable supporting plate
To section and brake disc be located in the cylinder, and between the brake disc and the cylinder bottom of the cylinder between be separated with distance；One operating mode
Simulation mechanism, including an electromagnetic exciter and at least two springs, the electromagnetic exciter are installed on the lower horizontal supporting plate,
Its upper end is adjacent with the movable supporting plate, and the upper end of the spring is connected with the movable supporting plate, and its lower end is connected to
The lower horizontal supporting plate, and two springs are correspondingly arranged at the two opposite sides of the electromagnetic exciter.
The experiment simulator of the test underground drill stem stick slip vibration mechanical characteristic of the present invention, can analyze well in drilling process
The reason for stick slip vibration and its influence factor occur for lower drill.
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, below in conjunction with accompanying drawing and preferably
Embodiment, to the specific embodiment party of the experiment simulator of test underground drill stem stick slip vibration mechanical characteristic proposed by the present invention
Formula, structure, feature and effect, describe in detail as after.In addition, by the explanation of embodiment, when can be to the present invention up to
The technological means and effect taken into predetermined purpose are able to more deeply specific understanding, but institute's accompanying drawing is only to provide reference
Used with explanation, be not used for being any limitation as the present invention.
Fig. 1 is the composition structural representation of the testing stand of the test underground drill stem stick slip vibration mechanical characteristic of the present invention.Fig. 2
For the schematic perspective view of lower rotating disc in the present invention.Fig. 3 is the front view of lower rotating disc in the present invention.Fig. 4 is side in the present invention
What column was connected with movable supporting plate is intended to according to diagram.
As shown in figure 1, the testing stand of test underground drill stem stick slip vibration mechanical characteristic proposed by the present invention, it includes one
Main body rack 1, a motor-driven mechanism 2, a drill string simulation mechanism 3, a movable supporting plate 4 and a Work condition analogue mechanism 5.Its
In：
Horizontal supporting plate 11 and once horizontal supporting plate 12 are vertically arranged at intervals with one on the main body rack 1；
The motor-driven mechanism 2 is installed on the upper horizontal supporting plate 11, for providing rotary power and moment of torsion,
In actual use, the motor-driven mechanism 2 is preferably a direct current generator；
The drill string simulation mechanism 3, positioned at the downside of the upper horizontal supporting plate 11, it includes from top to bottom being sequentially connected
Upper rotating disk 31, drill string 32, lower rotating disc 33, universal joint 34 and brake disc 35, and the upper rotating disk 31 and the motor
The output shaft of the lower end of drive mechanism 2 is connected, and thus, under the drive of the motor-driven mechanism 2, realizes the drill string simulation
The rotation of upper rotating disk 31, drill string 32 and lower rotating disc 33 etc. in mechanism 3；
What the movable supporting plate 4 can move up and down is connected with the main body rack 1, is put on the movable supporting plate 4
A mobile cylinder 6 is equipped with, the lower rotating disc 33, universal joint 34 and brake disc 35 are located in the cylinder 6, and the system
Distance is separated between Moving plate 35 and the cylinder bottom of the cylinder 6, i.e., described brake disc 35 does not contact with the cylinder bottom of the cylinder 6,
In test, using cylinder 6 movement and with the contact friction of lower rotating disc 33, differentiated friction resistance can be simulated to the lower rotation
The influence of stick slip vibration occurs for disk 33, studies the relation between the frictional force that stick slip vibration and drill string and lower rotating disc are subject to；
The Work condition analogue mechanism 5 includes an electromagnetic exciter 51 and at least two springs 52, the electromagnetic exciter 51 are pacified
Loaded on the lower horizontal supporting plate 12, its upper end is adjacent with the movable supporting plate 4, upper end and the work of the spring 52
Dynamic supporting plate 4 is connected, and its lower end is connected to the lower horizontal supporting plate 12, and two springs 52 are correspondingly arranged at the electricity
The two opposite sides of magnet exciter 51.Wherein, by setting the electromagnetic exciter 51, and the axial direction that different frequency is loaded to it shakes
It is dynamic, soil that BHA (lower rotating disc 33 and drill string 32) is subject to during actual well drilled and the axle of rock stratum can be simulated
To support force (bearing capacity), and the spring 52 is then to support movable supporting plate, and movable supporting plate 4 can be allowed to be moved down upper
Smoothly resetted after dynamic, certainly, for the particular number of the spring 52, be not especially limited herein, can be evenly distributed
2,3,4 etc., as long as test requirements document can be met.
As shown in figure 1, be additionally provided with a camera 7, the camera 7 is upside down in the surface of the cylinder 6, and adjacent to
The side of the drill string 32, the camera 7 are connected by a support bar 71 with the main body rack 1.In test, the photograph
Camera 7 can be catching touching between the rotary motion of the lower rotating disc 33 and lower rotating disc 33 and the inwall of the cylinder 6
Motion is hit, and its movement locus, the bottom that analysis rotating speed forms to lower rotating disc 33 and drill string 32 are obtained by image processing techniques
The influence of the motion state of portion's BHA.
Wherein, the drill string simulation mechanism 3 is additionally provided with one encoder 36 and once encoder 37, the upper encoder 36
In the upper rotating disk 31, and it is set at the upper end of the drill string 32, the lower encoder 37 is arranged on described
On lower rotating disc 33, and it is set at the lower end of the drill string 32, wherein, the upper encoder 36 and lower encoder 37 and institute
Drill string 32 is stated not contact.When mounted, can be by the drill string using the manhole among upper encoder 36 and lower encoder 37
32 are passed through from through hole, then upper encoder 36 and lower encoder 37 are corresponded to installed in upper rotating disk 31, lower rotating disc 33,
It ensure that encoder 36 and lower encoder 37 are not in contact with the drill string 32.By setting upper encoder 36 and lower encoder
37, the anglec of rotation of upper rotating disk 31 is measured using upper encoder 36, the anglec of rotation of lower rotating disc 33 is measured with lower encoder 37
Degree, by comparing two anglec of rotation sizes, can judge whether the drill string 32 occurs the serious journey of stick-slip phenomenon and stick-slip phenomenon
Degree.
It is preferred that two laser displacement sensors 41 are separately installed on the movable supporting plate 4, the two laser displacement sensings
Both phase angle between device 41 is 90 degree, i.e., the angle in the circumference of movable supporting plate 4 is 90 degree, when in use, excellent
The laser beam joint of two laser displacement sensors is selected to be located at the cylinder bottom center (i.e. geometric center, the center of circle) of the cylinder
Place, so that ensure can be with accurate measurement.Collided by setting two laser displacement sensors 41 to measure the cylinder with lower rotating disc
Caused lateral displacement, lower rotating disc and the lateral displacement of drill string bottom and then can be drawn, analyze the size of drill string lateral displacement,
Then the motion conditions of the lower rotating disc and drill string are judged.
Further, the cylinder bottom of the cylinder 6 is additionally provided with an optical sensor 61, its be located at the brake disc 35 just under
Side.By setting the optical sensor 61, for measure the angle of inclination of the lower rotating disc 33 (lower rotating disc and horizontal plane
Angle).
As shown in Figure 2 and Figure 3, two studs 331 are arranged with the lower rotating disc 33, and are wherein arranged on a stud 331
There is a balance adjustment block 38, its end is bolted with nut 332, in order to stable equilibrium regulating block 38.It is described flat by setting
Weigh regulating block 38, makes lower rotating disc 33 that eccentric rotary occur with the BHA that drill string 32 forms, so as to make drill string 32
In the presence of certain curvature, to simulate the curvature of drill string 32 in drilling process, the bottom of lower rotating disc 33 and the composition of drill string 32 is forced
Portion's BHA produces the lateral displacement perpendicular to the axis direction of drill string 32, so as to further be carried out to the oscillation crosswise of drill string 32
Research.
Fig. 1 is referred to, the main body rack 1 is a frame structure placed vertically, and it includes a base 101 and multiple
The heel post 102 being evenly distributed, the lower end of the heel post 102 are connected with the base 101, each heel post 102
Upper end between be connected with pole 103, wherein, the upper horizontal supporting plate 11 and lower horizontal supporting plate 12 respectively with each side
Column 102 is connected.
Please also refer to Fig. 4, a line slideway vertically set is separately installed with each heel post 102
13, the movable supporting plate 4 is connected with the sliding block 131 of each line slideway 13, with the sliding block 131 in the straight line
Moved up and down at guide rail 13.It is noted that for above-mentioned line slideway, it is prior art, to its concrete composition structure
And operation principle, it will not be repeated here.
As shown in figure 1, being provided with multiple rollers 62 that can be rotated on the cylinder bottom of the cylinder 6, each roller 62 is along institute
The circumferential uniform of cylinder 6 is stated, and is supported on the movable supporting plate 4 so that the cylinder 6 can be on movable supporting plate 4 more
It is easy to remove.
The testing stand of test underground drill stem stick slip vibration mechanical characteristic proposed by the present invention, can change more seed ginsengs simultaneously
Number, carry out underground drill stem stick slip vibration mechanical property testing, and the motion state using image processing techniques to underground drill stem
Quantitative analysis is carried out, oscillation crosswise, axial vibration and torsion caused by drill string are analyzed to vibration, wherein：
(1) oscillation crosswise of drill string is because bottom hole assemblies are uneven, the barycenter of drill string is deviateed its center, causes
Caused by periodicity eccentric rotary, therefore, in the present invention, by setting the balance adjustment block 38, make lower rotating disc 33 with
Eccentric rotary occurs for the BHA that drill string 32 forms, and so as to which drill string 32 can be made certain curvature to be present, and produces vertical
In the lateral displacement of the axis direction of drill string 32, the oscillation crosswise of drill string 32 can be simulated, so as to be carried out to the oscillation crosswise of drill string 32
Research, meanwhile, by changing the quality of balance adjustment block 38 and the rotary speed of drill string, can also analyze and research lower rotating disc 33
Motion state under the influence of balance adjustment block 38 and rotating speed double factor.
(2) axial vibration of drill string refers to drilling tool in drilling process, and due to shaft bottom out-of-flatness, the pressure that drilling tool is subject to is not
Uniformly, so as to cause drill string in the stretching motion of vertical direction, in this experiment, soil and rock stratum are simulated with electromagnetic exciter 17
Bearing capacity, drill string is produced axial vibration, so as to which axial vibration to drill string is analyzed and researched.
(3) torsion of drill string is whirling vibration to vibration, is that the friction being subject to by drilling tool changes, causes the speed of BHA
Degree constantly change and drill string head velocity are inconsistent caused, in the present invention, by the outer rim of lower rotating disc 33 and cylinder 6
Wall applies different materials, to simulate the frictional force that BHA is subject under different operating environment, and then simulates different operating mode rings
Border and frictional resistance, so as to which the whirling vibration to drill string carries out analysis of experiments, research stick slip vibration and BHA by
Frictional force between relation.
(4) motor-driven mechanism 2 (direct current generator) provides the power needed during experiment and torque, passes through control
The velocity of rotation of direct current generator, the relation between rotating speed and bottom drill tool stick slip vibration can be studied.
(5) it is connected to by the way that the balance adjustment block 38 is set on lower rotating disc 33, utilizes depositing for balance adjustment block 38
Make drill string 32 that eccentric rotary occur, so as to which drill string 32 can be made certain curvature to be present, therefore, by changing the balance adjustment
The quality of block 38, relation that can also be between the curvature of quantitative study drill string 32 and the stick slip vibration of bottom barrel 6.
In addition, in actual use, MEMS gyroscope can be also used to replace the rotation of definitely upper and lower encoder measurement rotating disk
Angle, replace two laser displacement sensor measurement rotor accelerations with MEMS triaxial accelerometer and convert acceleration signal
For displacement signal, the present invention is assembled in order to easier.
The experiment simulator of test underground drill stem stick slip vibration mechanical characteristic provided by the invention, by testing quantitative point
Analysis, the reason for stick slip vibration occurs for underground drill stem in drilling process and its influence factor are studied, multi-parameter can be changed simultaneously and entered
Row underground drill stem stick slip vibration mechanical property testing, and the motion state of underground drill stem is carried out by using image processing techniques
Quantitative analysis, support and reference are provided for the work of later stage actual well drilled.In addition, the present invention can be also transformed slightly for analyzing drill string
Rock and suppress stick-slip mechanism and torsional pulse suppression stick-slip mechanism, have broad application prospects.
The schematical embodiment of the present invention is the foregoing is only, is not limited to the scope of the present invention.It is any
Those skilled in the art, the equivalent variations made on the premise of the design of the present invention and principle is not departed from and modification, all should
Belong to the scope of protection of the invention.
Claims (8)
1. a kind of testing stand for testing underground drill stem stick slip vibration mechanical characteristic, it is characterised in that the test underground drill stem glues
The testing stand of sliding vibration mechanics characteristic includes：
One main body rack, horizontal supporting plate and once horizontal supporting plate are vertically arranged at intervals with one on the main body rack；
One motor-driven mechanism, it is installed on the upper horizontal supporting plate, for providing rotary power and moment of torsion；
One drill string simulation mechanism, positioned at the downside of the upper horizontal supporting plate, it includes the upper rotation being from top to bottom sequentially connected
Disk, drill string, lower rotating disc, universal joint and brake disc, and the upper rotating disk and the output shaft of the motor-driven mechanism lower end
It is connected；
One movable supporting plate, what can be moved up and down is connected with the main body rack, and an energy is placed with the movable supporting plate
Mobile cylinder, the lower rotating disc, universal joint and brake disc are located in the cylinder, and the brake disc and the cylinder
Distance is separated between cylinder bottom, two laser displacement sensors are separately installed on the movable supporting plate, two laser displacements pass
Phase angle between sensor is 90 degree；
One Work condition analogue mechanism, including an electromagnetic exciter and at least two springs, the electromagnetic exciter are installed on the lower water
In flat supporting plate, its upper end is adjacent with the movable supporting plate, and the upper end of the spring is connected with the movable supporting plate, its
Lower end is connected to the lower horizontal supporting plate, and two springs are correspondingly arranged at the two opposite sides of the electromagnetic exciter；
It is additionally provided with encoder on one and once encoder, the upper encoder is set in institute in the upper rotating disk
To state at the upper end of drill string, the lower encoder is arranged on the lower rotating disc, and is set at the lower end of the drill string,
Wherein, the upper encoder and lower encoder do not contact with the drill string.
2. the testing stand of test underground drill stem stick slip vibration mechanical characteristic as claimed in claim 1, it is characterised in that be additionally provided with
One camera, the camera upside lead in the surface of the cylinder, and adjacent to the side of the drill string, the camera
A support bar is crossed with the main body rack to be connected.
3. the testing stand of test underground drill stem stick slip vibration mechanical characteristic as claimed in claim 1, it is characterised in that the circle
The cylinder bottom of cylinder is additionally provided with an optical sensor, and it is located at the underface of the brake disc.
4. the testing stand of test underground drill stem stick slip vibration mechanical characteristic as claimed in claim 3, it is characterised in that under described
Two studs are arranged with rotating disk, and a balance adjustment block is arranged with wherein one stud, its end is bolted with spiral shell
Cap.
5. the testing stand of test underground drill stem stick slip vibration mechanical characteristic as claimed in claim 1, it is characterised in that under described
Two studs are arranged with rotating disk, and a balance adjustment block is arranged with wherein one stud, its end is bolted with spiral shell
Cap.
6. the testing stand of the test underground drill stem stick slip vibration mechanical characteristic as described in claim 1,4 or 5, it is characterised in that
The main body rack is a frame structure placed vertically, and it includes a base and multiple heel posts being evenly distributed, institute
The lower end for stating heel post is connected with the base, and pole is connected between the upper end of the heel post, wherein, the upper level
Supporting plate and lower horizontal supporting plate are connected with each heel post respectively.
7. the testing stand of test underground drill stem stick slip vibration mechanical characteristic as claimed in claim 6, it is characterised in that each described
A line slideway vertically set, the movable supporting plate and each line slideway are separately installed with heel post
Sliding block is connected, to be moved up and down with the sliding block.
8. the testing stand of test underground drill stem stick slip vibration mechanical characteristic as claimed in claim 1, it is characterised in that the circle
Multiple rollers that can be rotated are installed, each roller is supported in described along the circumferential uniform of the cylinder on the cylinder bottom of cylinder
On movable supporting plate.
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| CN201510289115.1A CN105004499B (en) | 2015-05-29 | 2015-05-29 | A kind of testing stand for testing underground drill stem stick slip vibration mechanical characteristic |
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|---|---|---|---|
| CN201510289115.1A CN105004499B (en) | 2015-05-29 | 2015-05-29 | A kind of testing stand for testing underground drill stem stick slip vibration mechanical characteristic |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500941A (en) * | 2016-11-02 | 2017-03-15 | 同济大学 | Small two-dimension vibration test platform |
| CN106895972B (en) * | 2017-04-20 | 2019-01-29 | 西南交通大学 | A kind of stick-slip experimental rig |
| CN108279104B (en) * | 2018-02-11 | 2023-05-02 | 任兴堂 | Vibration fatigue testing machine for integral hanger |
| CN108692931A (en) * | 2018-05-30 | 2018-10-23 | 北京理工大学 | A kind of device for sliding actuator vibration characteristics detection on moving component |
| CN108918063B (en) * | 2018-06-19 | 2020-02-21 | 上海交通大学 | Drilling vibration measurement and control experiment bench |
| CN109751040B (en) * | 2019-01-14 | 2021-07-09 | 东北大学 | Drilling self-excited vibration and stick-slip vibration simulation experiment device |
| CN112129478B (en) * | 2020-09-23 | 2022-10-25 | 哈尔滨工程大学 | Flexible riser dynamic response experimental device under simulated dynamic boundary condition |
| CN113465963B (en) * | 2021-06-11 | 2023-11-07 | 中国石油大学(华东) | Test device for dynamic response test of composite material drill string |
| CN115324554B (en) * | 2022-09-14 | 2024-05-03 | 西南石油大学 | Evaluation and optimization method for drill bit stick-slip vibration severity |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8453764B2 (en) * | 2010-02-01 | 2013-06-04 | Aps Technology, Inc. | System and method for monitoring and controlling underground drilling |
| CN102288742B (en) * | 2011-08-01 | 2013-07-17 | 中国石油大学(北京) | Well drilling simulation test device |
| CN102852512B (en) * | 2012-09-11 | 2015-07-01 | 西南石油大学 | Device and method for monitoring stick-slip vibration of drill bit based on measurement while drilling |
| CN103454055B (en) * | 2013-09-16 | 2015-11-04 | 中国地质大学（北京） | Vibration test platform at the bottom of drilling tool hole |
| CN103712790B (en) * | 2014-01-10 | 2016-04-06 | 中国地质大学（武汉） | A kind of experimental facilities studying drilling string dynamics characteristic |
| CN104655377B (en) * | 2015-02-10 | 2016-05-11 | 中国石油大学(华东) | The axial vibration of oil drilling pipe post subtracts friction loss characteristic indoor experimental apparatus |
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