CN109490100A - A kind of drill string drag and torque test and experiment device - Google Patents
A kind of drill string drag and torque test and experiment device Download PDFInfo
- Publication number
- CN109490100A CN109490100A CN201811511658.3A CN201811511658A CN109490100A CN 109490100 A CN109490100 A CN 109490100A CN 201811511658 A CN201811511658 A CN 201811511658A CN 109490100 A CN109490100 A CN 109490100A
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- drill string
- pit shaft
- servo motor
- slide unit
- experiment device
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- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 238000002474 experimental method Methods 0.000 title claims abstract description 17
- 230000008878 coupling Effects 0.000 claims abstract description 17
- 238000010168 coupling process Methods 0.000 claims abstract description 17
- 238000005859 coupling reaction Methods 0.000 claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 claims abstract description 11
- 238000004088 simulation Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 230000001360 synchronised effect Effects 0.000 claims abstract description 6
- 238000005452 bending Methods 0.000 claims description 5
- 229920005479 Lucite® Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 6
- 238000007906 compression Methods 0.000 abstract description 6
- 238000005553 drilling Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0026—Combination of several types of applied forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0266—Cylindrical specimens
Abstract
A kind of drill string drag and torque test and experiment device, including bit pressure loading system, rotary system, well bore simulation system, detection system；Bit pressure loading system includes servo motor one, and servo motor one connects synchronous belt by synchronizing wheel to drive ball-screw to rotate, and ball-screw is connected with slide unit, and slide unit moves up and down along ball-screw；Rotary system includes the servo motor two being arranged on slide unit, and servo motor two, which connects drill string by shaft coupling, is rotated it；Well bore simulation system includes drill string, and drill string bottom connects pit shaft one end, and the pit shaft other end connects drill bit；Detection system includes the displacement sensor for being mounted on drill string horizontal segment, compression force snesor, dynamic torque sensor, the pull pressure sensor of drill string vertical section and horizontal segment；Drill bit end is provided with drillability device；The present invention has easy to operate, it is easy to accomplish the characteristics of.
Description
Technical field
The present invention relates to petroleum, gas drilling technical field, in particular to a kind of drill string drag and torque testing experiment dress
It sets.
Background technique
Drill string drag and torque is the principal element for influencing horizontal well, extended reach well drilling efficiency, and accurate drag and torque is
Optimize drillng operation parameter, realizes efficient, quick, successful drilling key.However existing drag and torque theoretical model is due to vacation
If more, calculated value is caused to differ mechanical behavior larger, that model can not accurately reflect drill string with its true value.Therefore, it tests
Research, which becomes, promotes theoretical model persistently perfect, obtains the important channel of the true statics of drill string, kinematics and dynamic behavior.
Existing experimental rig only account for drill string and pit shaft net horizontal section interaction, have ignored drill string and pit shaft in vertical well section
Influence of the interaction to drill string mechanics behavior with curved portion, thus current experimental study there is an urgent need to one kind can be with mould
The drill string drag and torque test and experiment device of quasi- complete full well bore.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of tests of drill string drag and torque to try
Experiment device is based on the principle of similitude, and in conjunction with statics Analysis, kinematics analysis and dynamic analysis, design can simulate different wells
The drill string drag and torque experimental rig of body structure, this drill string drag and torque test and experiment device include vertical well section, curved portion
And net horizontal section, therefore the experimental rig can simulate the motion state of drill string in complete full casing programme, have it is easy to operate,
The characteristics of being easily achieved.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of drill string drag and torque test and experiment device, including bit pressure loading system, rotary system, well bore simulation system,
Detection system；
The bit pressure loading system includes servo motor 1, servo motor 1 by synchronizing wheel 2 connect synchronous belt 3 from
And ball-screw 4 is driven to rotate, the slide unit 5 is connected with 4 top nut of ball-screw, and slide unit 5 is with ball-screw 4 along rack
It moves up and down；
The rotary system includes the servo motor 28 being arranged on slide unit 5, and servo motor 28 is connected by shaft coupling 9
Connecing drill string 11 is rotated it；
The well bore simulation system includes drill string 11, and 11 bottom of drill string connects 13 one end of pit shaft, and 13 other end of pit shaft connects
Connect drill bit 23；
The detection system includes the displacement sensor 17 for being mounted on 11 horizontal segment of drill string, compression force snesor 22, is bored
The dynamic torque sensor 18 of 11 vertical section of column and horizontal segment, pull pressure sensor 20；
23 end of drill bit is provided with drillability device 24.
The pit shaft fixture 12 for adjusting different hole angles and azimuthal casing programme is provided on the pit shaft 13,
Pit shaft fixture 12 is mounted in device frame, and pit shaft 13 is consolidated in vertical section, bending section and horizontal segment by pit shaft fixture 12
It is fixed, by the angle and collapsing length that adjust pit shaft fixture 12.
Slide unit 5 is mounted on the rack by the sliding bearing 6.
The limit switch 7 that restricted slide unit 5 moves up and down is set on the ball-screw 4, and slide unit 5 passes through sliding bearing
6 are mounted on the rack.
Shaft coupling top plate 10 is provided on the shaft coupling 9.
The drill string 11 is pvc pipe, and the pit shaft 13 is lucite tube.
The 28 model LCMT-15M02-130M10015 of servo motor 1 and servo motor；Pull pressure sensor
The small-sized S type load cell U10J of 20 models；18 model Air China CKY-810 of dynamic torque sensor；Displacement sensor 17
Model Li500P1-Q25LM1-ELIUPN8X3-H1151；Compress 22 model VC09 of force snesor；7 model of limit switch
TM1307。
Beneficial effects of the present invention:
Drill string can simulate the different situations in vertical section, bending section and horizontal segment in the design, devise completely new brill
Column drag and torque experimental rig；The design is adjusted pit shaft by pit shaft fixture, can be realized to different hole angles, orientation
The simulation of the casing programme of angle and continuous well depth；By adjusting servo motor, the parameters such as different bit pressures, revolving speed are simulated, drill string is analyzed
Dynamic behavior；The data collected using sensor, the drill string torque that can be obtained during the test in real time are turned
The drilling parameters such as speed, displacement, convenient for carrying out analytical calculation to drill string drag and torque.
Detailed description of the invention
Fig. 1 is structure of the invention block diagram.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig.1, drill string drag and torque test and experiment device includes bit pressure loading system, rotary system, well bore simulation
System, detection system constitute an organic whole.
The bit pressure loading system by 1, three synchronizing wheel 2 of servo motor, 3, two ball-screws 4 of synchronous belt, slide unit 5,
The composition such as sliding bearing 6, limit switch 7.The servo motor 1 connects synchronous belt 3 by synchronizing wheel 2 to drive ball-screw
4 rotations, make the slide unit 5 being connected with 4 top nut of ball-screw move up and down, and apply axial force for DRILL-STRING SYSTEM；The limit
Switch 7 is moved upwardly or downwardly position by limiting slide unit 5, plays the role of protective device；The slide unit 5 passes through sliding bearing
6 are mounted on the rack, reduce slide unit 5 during up and down motion with the friction of rack.It, can by the adjustment to servo motor 1
To simulate the bit pressure factor in drilling process, apply different bit pressures for drill string experimental rig, detects bit pressure to drilling string dynamics shape
The influence of state.
The rotary system is made of servo motor 8, shaft coupling 9, shaft coupling top plate 10, drill string 11.The servo motor 8
Connecting drill string 11 by shaft coupling 9 is rotated it；The shaft coupling 9 and shaft coupling top plate 10 play bit pressure system
Buffer function, when carrying out drilling test, in the biggish situation of axial force, by axial force suffered by servo motor 8 by joining
Axis device 9 is transmitted on shaft coupling top plate 10 after buffering, to realize the buffering and transfer to axial force, protects servo motor
8 and experimental rig safety.Torque and revolving speed can be increased or decreased by adjusting servo motor 8, drill string 11 is driven to rotate, thus
The revolving speed and torque being applied in simulation drilling process on drill string.By applying different revolving speeds, feasibility study to drill string experimental rig
Study carefully influence of the revolving speed to drillstring motion state.
Well bore simulation system is the Major Systems of drill string experimental rig, can be used for observing the motion state of drill string in the wellbore
With adjusting casing programme.Bottom drilling assembly system is made of drill string 11, pit shaft fixture 12, pit shaft 13, bore connectors 14 etc..
The drill string 11 is simulated with pvc pipe, and pit shaft 13 is simulated with lucite tube, can effectively observe drillstring motion feelings
Condition；The pit shaft 13 passes through coarse processing, can effectively simulate the borehole wall of different roughness, realizes the friction of drill string and the borehole wall.It is logical
The angle and distance of stretch out and draw back for overregulating pit shaft fixture 12, realize different hole angles and azimuthal casing programme.
Detection system, by displacement sensor 17, dynamic torque sensor 18, computer 19, pull pressure sensor 20, signal
Acquisition module 21, compression force snesor 22 form.Institute's displacement sensors 17 are mounted on 11 horizontal segment of drill string, for detecting drill string
Displacement；The dynamic torque sensor 18 is placed on drill string vertical section and horizontal segment, for detecting revolving speed and the torsion of drill string 11
Square；Force snesor 22 is compressed, for detecting when carrying out wellbore test, contact force caused by drill string 11 and pit shaft 13；Tension and compression
Force snesor 20 is mounted on 11 vertical section of drill string and horizontal segment.When drill string 11 is crept into, drill bit 23 and floor rocks drillability are filled
The power for setting 24 effects generation, is transmitted in pull pressure sensor 20, to measure tension and compression suffered by drill string 11 by drill string 11
Power.Its beneficial outcomes is that this pull pressure sensor is used to detect the axial force of drill string receiving.
The servo motor model number is LCMT-15M02-130M10015；The small-sized S type of pull pressure sensor model is surveyed
Force snesor U10J；Dynamic torque sensor model Air China CKY-810；17 model Li500P1- of displacement sensor
Q25LM1-ELIUPN8X3-H1151；Compress 22 model VC09 of force snesor；Limit switch model is TM1307.
The working principle of the invention:
Drill string drag and torque test and experiment device is watched including making drill string 11 carry out the servo motor 1 of put-on and delegated campaign
It takes motor 1 and synchronous belt 3 is connected to drive ball-screw 4 to rotate by synchronizing wheel 2,4 top nut of ball-screw can band
Dynamic slide unit 5 moves up and down, and applies axial force for DRILL-STRING SYSTEM, is equipped with servo motor 8, the servo on the slide unit 5
Motor 8 is that drill string 11 provides torque, and drill string 11 is fixedly connected with shaft coupling 9, and when carrying out drilling test, drill bit 23 and rock are produced
Raw active force is transmitted to shaft coupling 9 by drill string 11 to being applied on shaft coupling top plate 10, the yielding coupling top plate
10 generate impact force to damage brought by servo motor 8 to reduce device in drilling process, and drill string 11 is mounted on pit shaft
In 13, the pit shaft 13 is attached by bore connectors 14, is equipped on drill string 11, pull pressure sensor 20, and displacement passes
Sensor 17, dynamic torque sensor 18 install compressive sensor 22 on the pit shaft 13, and compression force snesor 22 passes through brill
Column 11 and the collision of pit shaft 13 are to measure 11 stress of drill string, and drill bit 23 provides power by servo motor 1 and servo motor 8 mentions
For power caused by torque, act on floor rocks drillability device 24.
The pit shaft fixture 12 is mounted in device frame, and pit shaft 13 passes through well in vertical section, bending section and horizontal segment
Collet chuck tool 12 is fixed, can be by bent to 13 bending section of pit shaft by adjusting the angle and collapsing length of pit shaft fixture 12
Rate and direction are adjusted, and realize different hole angle and azimuth drilling well.
Slide unit 5 is mounted on the rack by the sliding bearing 6, can reduce slide unit 5 during up and down motion and machine
The friction of frame.The slide unit 5 installs limit switches 7, on the rack during being moved upwardly or downwardly to prevent on-slip platform 5
It continues up or moves downward, destruction is generated to device.
The pull pressure sensor 20 is mounted on 11 vertical section of drill string and horizontal segment.When drill string 11 is crept into, drill bit 23
The power generated with the effect of floor rocks drillability device 24, is transmitted in pull pressure sensor 20, to measure by drill string 11
Pressure suffered by drill string 11.
Claims (7)
1. a kind of drill string drag and torque test and experiment device, which is characterized in that including bit pressure loading system, rotary system, well bore
Simulation system, detection system；
The bit pressure loading system includes servo motor one (1), and servo motor one (1) connects synchronous belt by synchronizing wheel (2)
(3) to drive ball-screw (4) to rotate, the slide unit (5) is connected with ball-screw (4) top nut, and slide unit (5) is with rolling
Ballscrew (4) moves up and down along rack；
The rotary system includes the servo motor two (8) being arranged on slide unit (5), and servo motor two (8) passes through shaft coupling
(9) it is rotated in connection drill string (11)；
The well bore simulation system includes drill string (11), and drill string (11) bottom connects pit shaft (13) one end, and pit shaft (13) is another
End connection drill bit (23)；
The detection system includes the displacement sensor (17) for being mounted on drill string (11) horizontal segment, compresses force snesor (22),
The dynamic torque sensor (18) of drill string (11) vertical section and horizontal segment, pull pressure sensor (20)；
Described drill bit (23) end is provided with drillability device (24).
2. a kind of drill string drag and torque test and experiment device according to claim 1, which is characterized in that the pit shaft
(13) the pit shaft fixture (12) for adjusting different hole angles and azimuthal casing programme, pit shaft fixture (12) peace are provided on
In device frame, pit shaft (13) is fixed in vertical section, bending section and horizontal segment by pit shaft fixture (12), passes through tune
Save the angle and collapsing length of pit shaft fixture (12).
3. a kind of drill string drag and torque test and experiment device according to claim 1, which is characterized in that the sliding bearing
(6) slide unit (5) is mounted on the rack.
4. a kind of drill string drag and torque test and experiment device according to claim 1, which is characterized in that the ball wire
The limit switch (7) of restricted slide unit (5) up and down motion is set on thick stick (4), and slide unit (5) is mounted on machine by sliding bearing (6)
On frame.
5. a kind of drill string drag and torque test and experiment device according to claim 1, which is characterized in that the shaft coupling
(9) shaft coupling top plate (10) are provided on.
6. a kind of drill string drag and torque test and experiment device according to claim 1, which is characterized in that the drill string
It (11) is pvc pipe, the pit shaft (13) is lucite tube.
7. a kind of drill string drag and torque test and experiment device according to claim 1, which is characterized in that the servo electricity
Machine one (1) and servo motor two (8) model LCMT-15M02-130M10015；Pull pressure sensor (20) small-sized S of model
Type load cell U10J；Dynamic torque sensor (18) model Air China CKY-810；Displacement sensor (17) model
Li500P1-Q25LM1-ELIUPN8X3-H1151；Compress force snesor (22) model VC09；Limit switch (7) model
TM1307。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811511658.3A CN109490100B (en) | 2018-12-11 | 2018-12-11 | Drill string friction torque test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811511658.3A CN109490100B (en) | 2018-12-11 | 2018-12-11 | Drill string friction torque test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109490100A true CN109490100A (en) | 2019-03-19 |
| CN109490100B CN109490100B (en) | 2023-12-19 |
Family
ID=65709851
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811511658.3A Active CN109490100B (en) | 2018-12-11 | 2018-12-11 | Drill string friction torque test device |
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| Country | Link |
|---|---|
| CN (1) | CN109490100B (en) |
Cited By (7)
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| CN111594144A (en) * | 2020-05-19 | 2020-08-28 | 德州联合石油科技股份有限公司 | Screw drill tool, vertical drilling tool test method and simulated well deviation test equipment |
| CN111964880A (en) * | 2019-06-24 | 2020-11-20 | 中国石油大学(华东) | Simulation test device and test method for motion state of bottom drilling tool assembly |
| CN112014093A (en) * | 2020-09-03 | 2020-12-01 | 西南石油大学 | System and method for testing friction block of drilling robot |
| CN112033658A (en) * | 2020-09-03 | 2020-12-04 | 西南石油大学 | System and method for testing supporting mechanism of drilling traction robot |
| CN112412337A (en) * | 2020-11-30 | 2021-02-26 | 中国海洋石油集团有限公司 | Sliding guide drilling tool face angle change experiment system and using method thereof |
| CN113008534A (en) * | 2021-01-29 | 2021-06-22 | 王为 | Simulation experiment device for friction resistance of large-inclination drilling |
| CN114199605A (en) * | 2022-02-18 | 2022-03-18 | 西南石油大学 | Horizontal drill string system dynamics simulation test bed and test method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964880A (en) * | 2019-06-24 | 2020-11-20 | 中国石油大学(华东) | Simulation test device and test method for motion state of bottom drilling tool assembly |
| CN111594144A (en) * | 2020-05-19 | 2020-08-28 | 德州联合石油科技股份有限公司 | Screw drill tool, vertical drilling tool test method and simulated well deviation test equipment |
| CN112014093A (en) * | 2020-09-03 | 2020-12-01 | 西南石油大学 | System and method for testing friction block of drilling robot |
| CN112033658A (en) * | 2020-09-03 | 2020-12-04 | 西南石油大学 | System and method for testing supporting mechanism of drilling traction robot |
| CN112014093B (en) * | 2020-09-03 | 2022-04-22 | 西南石油大学 | System and method for testing friction block of drilling robot |
| CN112033658B (en) * | 2020-09-03 | 2022-05-27 | 西南石油大学 | System and method for testing supporting mechanism of drilling traction robot |
| CN112412337A (en) * | 2020-11-30 | 2021-02-26 | 中国海洋石油集团有限公司 | Sliding guide drilling tool face angle change experiment system and using method thereof |
| CN113008534A (en) * | 2021-01-29 | 2021-06-22 | 王为 | Simulation experiment device for friction resistance of large-inclination drilling |
| CN114199605A (en) * | 2022-02-18 | 2022-03-18 | 西南石油大学 | Horizontal drill string system dynamics simulation test bed and test method |
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| Publication number | Publication date |
|---|---|
| CN109490100B (en) | 2023-12-19 |
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