CN105952437A - Indoor experimental research apparatus for friction and torque of strings in three-dimensional curved boreholes - Google Patents
Indoor experimental research apparatus for friction and torque of strings in three-dimensional curved boreholes Download PDFInfo
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- CN105952437A CN105952437A CN201610444681.XA CN201610444681A CN105952437A CN 105952437 A CN105952437 A CN 105952437A CN 201610444681 A CN201610444681 A CN 201610444681A CN 105952437 A CN105952437 A CN 105952437A
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- 238000011160 research Methods 0.000 title abstract description 6
- 238000004088 simulation Methods 0.000 claims abstract description 76
- 238000006073 displacement reaction Methods 0.000 claims abstract description 18
- 238000005452 bending Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 9
- 238000012332 laboratory investigation Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 7
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 6
- 229920005479 Lucite® Polymers 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009533 lab test Methods 0.000 claims 3
- 229920003023 plastic Polymers 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 abstract 2
- 238000005094 computer simulation Methods 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013075 data extraction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/007—Measuring stresses in a pipe string or casing
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- Engineering & Computer Science (AREA)
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- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention belongs to the technical field of string mechanics, and particularly relates to an indoor experimental research apparatus for friction and torque of strings in three-dimensional curved boreholes. The indoor experimental research apparatus is used for optimizing computational models for the friction and the torque of the strings in the three-dimensional curved boreholes and improving the friction and the torque of the strings in the three-dimensional curved boreholes, is integrally divided into a driving system, a measuring system, a simulation string combination system and a fixing system and respectively comprises two servo motors, a loading lead screw, a displacement sensor, a pull pressure sensor, a torque sensor, a simulation string, a simulation shaft and the like. The front servo motor is connected with the loading lead screw by a speed reducer, and the rear servo motor is connected with a string connector by a speed reducer. The indoor experimental research apparatus has the advantages that the rigidity and the sizes of simulation string can be changed, the borehole curvature and torsion angles of the simulation shaft can be adjusted, axial and rotation movement can be generated, displacement, pull pressures and the torque can be monitored and displayed in real time, and diversified working conditions can be simulated.
Description
Technical field
The invention belongs to tubular buckling technical field, particularly relate to tubing string in a kind of three-dimensional bending well and rub
The in-house laboratory investigation device of resistance moment of torsion, for string friction torque arithmetic mould in three-dimensional bending well
Type preferably and improve.
Background technology
At present, the drilling technology development such as horizontal well, directional well is also widely used, but restriction
The problem of this technology development also becomes increasingly conspicuous, and the drag and torque of tubing string is wherein one of key issue.
Tubing string, after being lowered into curved portion, produces the biggest moment of flexure due to the existence of tubing string rigidity, adds
Well track be irregular space curve, tubing string under enter during can and borehole wall bump contact.
When tubing string is attached on the borehole wall, between tubing string and the borehole wall, there is contact pressure, when tubing string moves, by
In rubbing action, axial resistance and the moment of torsion that rubs will be applied on tubing string so that axial load increase,
The moment of torsion that rubs increase, especially in extended reach well and horizontal well, due to its have long horizontal displacement section,
, therefore there is bigger frictional resistance and the moment of torsion that rubs in high deviation angle and the feature of long open hole steady tilted section.Tubing string
With the borehole wall produced by frictional resistance and rubbing moment of torsion, to Drilling Design, drill-well operation with shadows such as well cementing operations
Ring bigger.Therefore, drilling and well completion, Accurate Prediction Value of Friction Loss during Drilling Design successfully and economically
It is the most necessary with torque value.
The importance of the drag and torque computation model of tubing string may be embodied in the three phases of drilling process:
Design phase, in order to reduce drag and torque value, model is used to optimize well track；In drilling process,
In conjunction with on-the-spot real-time monitoring, model in problems such as the prediction cleaning of well, contingent bit freezings is
Very effective；Completion phase, model be used for analyzing enter under casing string whether unobstructed.
For three-dimensional bending well section, the theoretical model calculating tubing string drag and torque at present is numerous, often
The method of kind has different assumed condition, and its method for solving is also not quite similar, different computation model institutes
What the result obtained had greatly differs from each other, bigger with actual deviation, it is therefore necessary to three-dimensional bending well
The drag and torque of middle tubing string carries out experimentation, is corrected and preferred three-dimensional crooked hole by experimental analysis
The drag and torque computation model of tubing string in Duan.
In terms of experiment, Child of BP company of Britain et al. devises tubing string analog, passes through room
Down-hole string stress is simulated by interior simulation experiment, measure in experiment the pulling force of tubing string and
Moment of torsion, but the variable that this experiment is controlled is less, and the cogency of analysis result is less.
Summary of the invention
It is contemplated that overcome problem and the deficiency of present stage above-mentioned existing theory and technology existence, it is provided that
A kind of can truly measure the experiment of string friction moment of torsion in three-dimensional bending well in laboratory conditions
Device, research different size, different-stiffness tubing string at different hole curvatures, different pit shaft windup-degree
Under the conditions of drag and torque, come preferably with this or improve existing theoretical model, for the design of well drilling pipe column
Thering is provided theoretical foundation with scene application, its technical scheme used is as follows:
The in-house laboratory investigation device of string friction moment of torsion in three-dimensional bending well, its entirety is divided into driving
System, measurement system, simulation pipe string combination system and fixed system four major part, respectively servo electricity
Machine, loading leading screw, feeding guide rail, displacement transducer, sliding frame, pull pressure sensor, moment of torsion
Sensor, simulation tubing string, simulation wellbore hole, fixed support, pit shaft clip, adpting flange, activity
Frame, fixing base plate, simulation shaft bottom shell, computer, data processing equipment, signal cable, deceleration
Device, linear bearing, tubing string jointing, tubing string adapter, installation screw, rolling bearing, activity
Fixing hoop, wherein drive system include servomotor, load leading screw, feeding guide rail, sliding frame,
Decelerator, linear bearing and tubing string jointing, servomotor quantity is two, anterior servo electricity
Machine connects loading leading screw by decelerator, and is arranged on the installing plate of feeding guide rail side by decelerator
On, the servomotor at rear portion connects tubing string jointing by decelerator, and is arranged on by decelerator
On the installing plate of sliding frame side, load leading screw side and fix on the output shaft of fore decelerator,
And be connected with sliding frame one end by screw thread, sliding frame is arranged on feeding guide rail by linear bearing
Slide rail on；Before using the present invention to test, simulation tubing string is connected with tubing string jointing,
Starting the servomotor that drive system is anterior afterwards, servomotor drives first paragraph simulation tubing string slowly to send
Enter simulation wellbore hole, control servomotor afterwards and return original position and repeat above-mentioned action and carry out second segment pipe
The rotation of post advances, until all simulation tubing strings are fully enclosed simulation wellbore hole；Complete final stage
Before simulation tubing string, anterior pull pressure sensor and torque sensor are installed, connect torque sensor and
Final stage simulation tubing string, enters down final stage simulation tubing string；During entering under, anterior
Servomotor may utilize the screw-driven loaded between leading screw and sliding frame, it is achieved the axle of simulation tubing string
To motion, the servomotor at rear portion can realize simulating the rotary motion of tubing string.
Measurement system includes displacement transducer, pull pressure sensor, torque sensor, computer, number
According to processing means, signal cable, it is anterior that displacement transducer is arranged on feeding guide rail, and is referred to test side
Quantity to sliding frame front end face, pull pressure sensor and torque sensor is two, anterior
Pull pressure sensor one end connects tubing string jointing, and the other end connects the torque sensor on top, after
Pull pressure sensor one end connecting tube column connector in portion, the other end connects the torque sensor of bottom,
Torque sensor connects top and the bottom of simulation tubing string respectively, and data processing equipment is by amplifier, number
Form according to acquisition module, and connect displacement transducer, pull pressure sensor and moment of torsion by signal cable
Sensor, connects computer by data wire；Before completing final stage simulation tubing string, front portion is installed
Pull pressure sensor and torque sensor, connect torque sensor and final stage simulation tubing string, logical
Cross signal cable by pull pressure sensor, torque sensor and displacement transducer and data processing equipment and
Computer connect, then under enter final stage simulation tubing string, observation experiment phenomenon in experimentation, and
Gather rotating speed, thrust, moment of torsion, shift assays data.
Simulation pipe string combination system includes simulating outside tubing string, simulation wellbore hole, adpting flange, simulation shaft bottom
Shell, tubing string adapter, installing screw and rolling bearing, simulation tubing string can use ABS plastic and stainless
Steel, the string size wherein using ABS plastic is external diameter 22mm, the solid cylinder of long 42cm,
The solid cylinder using stainless string size to be a length of 45cm of external diameter 12mm, adjacent simulation
Using threaded between tubing string, simulation wellbore hole can use lucite tube and stainless steel tube two kinds, its
Shaft structure is made up of the straight well section of the straight well section+arc section+1 meter of 2 meters, and the two ends of each well section are uniform
Put adpting flange, use adpting flange to connect between adjacent well section, utilize pit shaft clip in its front portion
Being fixed on fixed support, portion is fixed on travel(l)ing rest behind, and simulation shaft bottom shell passes through rolling at it
Dynamic bearing installs tubing string adapter, utilizes installation screw to be fixed on simulation wellbore hole end in its underpart,
Outside it, utilization activity fixing hoop is arranged on travel(l)ing rest；Before using the present invention to test,
The most multiple simulation wellbore holes of designated curvature radius connect into complete required reality by adpting flange
Test pit shaft, and by pit shaft clip, anterior simulation wellbore hole is fixed on fixed support, by rotatable
The simulation wellbore hole of part is fixed on travel(l)ing rest after being rotated down special angle, will complete part afterwards
The shaft bottom shell of simulating installed with sensor is arranged on the simulation wellbore hole exit of end, and by fixing mould
The travel(l)ing rest intending shaft bottom shell is bolted on fixing base plate.
Fixed system includes that fixed support, pit shaft clip, travel(l)ing rest, fixing base plate and activity are fixed
Clip, fixed support is grouped into by multi-section, is bolted readily accessible, and solid with swell fixture
Due to ground, utilizing pit shaft clip to install simulation wellbore hole at an upper portion thereof, fixing base plate fixes on the ground,
And have the installing hole of some travel(l)ing rests, and by bolt installation activity support.
Under the conditions of the present invention has a characteristic that by the different hole curvature of research, different torsion angle
String friction moment of torsion, provides theoretical foundation for Drilling Design and on-the-spot application；Simulation tubing string can change
Rigidity and size, to realize the different well drilling pipe column of simulation and well combination；Drive system can realize
The rotation limit, limit of simulation tubing string advances, a rotation does not advances and only advances and do not rotates three kinds of duties；
Measurement system can sense and measure axial pressure, moment of torsion and axially displacement in real time, and is on computers
Time display；The different operating modes such as trip-out, lower brill, rotary drilling and reaming can be simulated.
Accompanying drawing explanation
Fig. 1: the in-house laboratory investigation device entirety knot of string friction moment of torsion in three-dimensional bending well of the present invention
Structure schematic diagram；
Fig. 2: drive in the in-house laboratory investigation device of string friction moment of torsion in three-dimensional bending well of the present invention
The structural representation of components of system as directed；
Fig. 3: simulate in the in-house laboratory investigation device of string friction moment of torsion in three-dimensional bending well of the present invention
The structural representation of bottom section.
Symbol description
1. servomotor, 2. loads leading screw, 3. feeding guide rail, 4. displacement transducer, 5. sliding frame,
6. pull pressure sensor, 7. torque sensor, 8. simulation tubing string, 9. simulation wellbore hole, 10. fixed support,
11. pit shaft clips, 12. adpting flanges, 13. travel(l)ing rests, 14. fix base plate, outside 15. simulation shaft bottoms
Shell, 16. computers, 17. data processing equipments, 18. signal cables, 19. decelerators, 20. linear axis
Holding, 21. tubing string jointings, 22. tubing string adapters, 23. screws, 24. rolling bearings, 25. is movable
Fixing hoop.
Detailed description of the invention
The invention will be further described with example below in conjunction with the accompanying drawings:
As Figure 1-3, the in-house laboratory investigation device of string friction moment of torsion in three-dimensional bending well, its
Entirety is divided into drive system, measurement system, simulation pipe string combination system and fixed system four major part,
Be respectively servomotor 1, load leading screw 2, feeding guide rail 3, displacement transducer 4, sliding frame 5,
Pull pressure sensor 6, torque sensor 7, simulation tubing string 8, simulation wellbore hole 9, fixed support 10,
Pit shaft clip 11, adpting flange 12, travel(l)ing rest 13, fixing base plate 14, simulation shaft bottom shell 15,
Computer 16, data processing equipment 17, signal cable 18, decelerator 19, linear bearing 20, pipe
Post jointing 21, tubing string adapter 22, installation screw 23, rolling bearing 24, movable fixing card
Hoop 25, wherein drive system includes servomotor 1, loads leading screw 2, feeding guide rail 3, sliding frame
5, decelerator 19, linear bearing 20 and tubing string jointing 21, servomotor 1 quantity is two,
Anterior servomotor 1 connects loading leading screw 2 by decelerator 19, and is arranged on by decelerator 19
On the installing plate of feeding guide rail 3 side, the servomotor 1 at rear portion connects tubing string even by decelerator 19
Joint 21, and be arranged on the installing plate of sliding frame 5 side by decelerator 19, load leading screw
2 sides are fixed on the output shaft of fore decelerator 19, and by screw thread and sliding frame 5 one end
Connecting, sliding frame 5 is arranged on the slide rail of feeding guide rail 3 by linear bearing 20；Measurement system
Process including displacement transducer 4, pull pressure sensor 6, torque sensor 7, computer 16, data
Device 17, signal cable 18, it is anterior that displacement transducer 4 is arranged on feeding guide rail 3, and by test side
Pointing to sliding frame 5 front end face, the quantity of pull pressure sensor 6 and torque sensor 7 is two,
Anterior pull pressure sensor 6 one end connects tubing string jointing 21, and the other end connects the moment of torsion on top
Sensor 7, pull pressure sensor 6 one end connecting tube column connector 22 at rear portion, under the other end connects
The torque sensor 7 in portion, torque sensor 7 connects top and bottom, the data of simulation tubing string 8 respectively
Processing means 17 is made up of amplifier, data acquisition module, and connects displacement by signal cable 18
Sensor 4, pull pressure sensor 6 and torque sensor 7, connect computer 16 by data wire；Mould
Intend pipe string combination system to include simulating tubing string 8, simulation wellbore hole 9, adpting flange 12, simulation shaft bottom shell
15, tubing string adapter 22, installation screw 23 and rolling bearing 24, simulation tubing string 8 can use ABS
Plastics and rustless steel, the string size wherein using ABS plastic is external diameter 22mm, long 42cm's
Solid cylinder, the solid cylinder using stainless string size to be a length of 45cm of external diameter 12mm,
Using threaded between adjacent simulation tubing string 8, simulation wellbore hole 9 can use lucite tube and not
Rust steel pipe two kinds, its shaft structure is made up of the straight well section of the straight well section+arc section+1 meter of 2 meters, and respectively
Adpting flange 12 is all arranged at the two ends of well section, uses adpting flange 12 to connect between adjacent well section,
Its front portion utilizes pit shaft clip 11 to be fixed on fixed support 10, and portion is fixed on travel(l)ing rest 13 behind
On, simulation shaft bottom shell 15 installs tubing string adapter 22, in its underpart at it by rolling bearing 24
Installation screw 23 is utilized to be fixed on simulation wellbore hole 9 end, utilization activity fixing hoop 25 outside it
It is arranged on travel(l)ing rest 13；Fixed system includes fixed support 10, pit shaft clip 11, activity
Frame 13, fixing base plate 14 and movable fixing hoop 25, fixed support 10 is grouped into by multi-section, passes through
Bolt connects readily accessible, and is fixed on ground with swell fixture, utilizes pit shaft clip 11 at an upper portion thereof
Installing simulation wellbore hole 9, fixing base plate 14 fixes on the ground, and has the peace of some travel(l)ing rests 13
Dress hole, and by bolt installation activity support 13.
Before using the present invention to test, the most multiple simulation wellbore holes 9 of designated curvature radius
Complete required experiment pit shaft is connected into by adpting flange 12, and by pit shaft clip 11 by front portion
Simulation wellbore hole 9 be fixed on fixed support 10, the simulation wellbore hole 9 of rotatable portion is rotated down
It is fixed on after special angle on travel(l)ing rest 13, part and the simulation well of sensor installation will be completed afterwards
End shell 15 is arranged on simulation wellbore hole 9 exit of end, and by fixed-analog shaft bottom shell 15
Travel(l)ing rest 13 is bolted on fixing base plate 14；Simulation tubing string 8 is connected with tubing string and connects
21 connect, and start the servomotor 1 that drive system is anterior afterwards, and servomotor 1 drives first paragraph
Simulation tubing string 8 slowly sends into simulation wellbore hole 9, and control servomotor 1 is return on original position repeats afterwards
State action and carry out the rotation propelling of second segment tubing string, until all simulation tubing strings 8 are fully enclosed simulation
Pit shaft 9；Before completing final stage simulation tubing string 8, anterior pull pressure sensor 6 and moment of torsion are installed
Sensor 7, connects torque sensor 7 and final stage simulation tubing string 8, will by signal cable 18
Pull pressure sensor 6, torque sensor 7 and displacement transducer 4 and data processing equipment 17 and calculating
Machine 16 connects, then under enter final stage simulation tubing string 8；During entering under, anterior servomotor
The 1 available screw-driven loaded between leading screw 2 and sliding frame 5, it is achieved simulate the axial of tubing string 8
Motion, the servomotor 1 at rear portion can realize simulating the rotary motion of tubing string 8, see in experimentation
Examine experimental phenomena, and gather rotating speed, thrust, moment of torsion, shift assays data, after completing data extraction,
Analyze experimental data, draw experiment conclusion.
Claims (4)
1. the in-house laboratory investigation device of string friction moment of torsion in three-dimensional bending well, its entirety is divided into drives
Dynamic system, measurement system, simulation pipe string combination system and fixed system four major part, respectively servo electricity
Machine (1), loading leading screw (2), feeding guide rail (3), displacement transducer (4), sliding frame (5), pressure pass
Sensor (6), torque sensor (7), simulation tubing string (8), simulation wellbore hole (9), fixed support (10), pit shaft
Clip (11), adpting flange (12), travel(l)ing rest (13), fixing base plate (14), simulation shaft bottom shell (15),
Computer (16), data processing equipment (17), signal cable (18), decelerator (19), linear bearing (20),
Tubing string jointing (21), tubing string adapter (22), installation screw (23), rolling bearing (24), activity are admittedly
Determining clip (25), wherein drive system includes servomotor (1), loading leading screw (2), feeding guide rail (3), slides
Dynamic framework (5), decelerator (19), linear bearing (20) and tubing string jointing (21), servomotor (1) number
Amount is two, and anterior servomotor (1) connects loading leading screw (2) by decelerator (19), and by slowing down
Device (19) is arranged on the installing plate of feeding guide rail (3) side, and the servomotor (1) at rear portion passes through decelerator
(19) connect tubing string jointing (21), and be arranged on the installation of sliding frame (5) side by decelerator (19)
On plate, load leading screw (2) side fix on the output shaft of fore decelerator (19), and by screw thread with
Sliding frame (5) one end connects, and sliding frame (5) is arranged on the cunning of feeding guide rail (3) by linear bearing (20)
On rail.
In three-dimensional bending well the most according to claim 1, the laboratory experiment of string friction moment of torsion grinds
Study carefully device, it is characterised in that: measurement system includes displacement transducer (4), pull pressure sensor (6), turns round
Square sensor (7), computer (16), data processing equipment (17), signal cable (18), displacement transducer (4)
Being arranged on feeding guide rail (3) anterior, and test side is pointed to sliding frame (5) front end face, pressure senses
The quantity of device (6) and torque sensor (7) is two, anterior pull pressure sensor (6) one end connecting tube
Post jointing (21), the other end connects the torque sensor (7) on top, the pull pressure sensor (6) at rear portion
One end connecting tube column connector (22), the other end connects the torque sensor (7) of bottom, torque sensor (7)
Connect top and the bottom of simulation tubing string (8) respectively.
In three-dimensional bending well the most according to claim 1, the laboratory experiment of string friction moment of torsion grinds
Study carefully device, it is characterised in that: simulation tubing string (8) can use ABS plastic and rustless steel, wherein uses ABS
The string size of plastics is external diameter 22mm, the solid cylinder of long 42cm, uses stainless tubing string chi
The very little solid cylinder for a length of 45cm of external diameter 12mm, uses screw thread between adjacent simulation tubing string (8)
Connect.
In three-dimensional bending well the most according to claim 1, the laboratory experiment of string friction moment of torsion grinds
Study carefully device, it is characterised in that: simulation wellbore hole (9) can use lucite tube and stainless steel tube two kinds, its well
Barrel structure is made up of the straight well section of the straight well section+arc section+1 meter of 2 meters, and the two ends of each well section are all arranged
Adpting flange (12), uses adpting flange (12) to connect, utilizes pit shaft in its front portion between adjacent well section
Clip (11) is fixed on fixed support (10), and portion is fixed on travel(l)ing rest (13) behind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610444681.XA CN105952437B (en) | 2016-06-20 | 2016-06-20 | Indoor experimental research device for friction resistance torque of tubular column in three-dimensional bending well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610444681.XA CN105952437B (en) | 2016-06-20 | 2016-06-20 | Indoor experimental research device for friction resistance torque of tubular column in three-dimensional bending well |
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| Publication Number | Publication Date |
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| CN105952437A true CN105952437A (en) | 2016-09-21 |
| CN105952437B CN105952437B (en) | 2023-02-07 |
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| CN106442101A (en) * | 2016-10-11 | 2017-02-22 | 东北石油大学 | Compression torsion buckling simulation experiment device and method for tubular columns in shaft |
| CN106840627A (en) * | 2017-01-18 | 2017-06-13 | 燕山大学 | Oil/gas Well tubing string antifriction drop turns round tool performance experimental rig |
| 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 |
| CN113392483A (en) * | 2021-08-16 | 2021-09-14 | 中国石油集团川庆钻探工程有限公司 | Method and device for determining friction coefficient of shaft and method and device for determining friction resistance of shaft |
| CN114486229A (en) * | 2022-03-31 | 2022-05-13 | 山东普瑞思德石油技术有限公司 | Equipment is played in simulation of applicable many sizes tubular column |
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| CN106840627A (en) * | 2017-01-18 | 2017-06-13 | 燕山大学 | Oil/gas Well tubing string antifriction drop turns round tool performance experimental rig |
| CN106840627B (en) * | 2017-01-18 | 2018-12-07 | 燕山大学 | Oil/gas well tubing string antifriction drop turns round tool performance experimental rig |
| 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 |
| 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 |
| CN113392483A (en) * | 2021-08-16 | 2021-09-14 | 中国石油集团川庆钻探工程有限公司 | Method and device for determining friction coefficient of shaft and method and device for determining friction resistance of shaft |
| CN113392483B (en) * | 2021-08-16 | 2021-10-19 | 中国石油集团川庆钻探工程有限公司 | Method and device for determining friction coefficient of shaft and method and device for determining friction resistance of shaft |
| CN114486229A (en) * | 2022-03-31 | 2022-05-13 | 山东普瑞思德石油技术有限公司 | Equipment is played in simulation of applicable many sizes tubular column |
| CN114486229B (en) * | 2022-03-31 | 2022-06-21 | 山东普瑞思德石油技术有限公司 | Simulation tripping device applicable to multi-size tubular columns |
| CN115324546A (en) * | 2022-08-28 | 2022-11-11 | 重庆科技学院 | SAGD steam preheating effect prediction method, simulation experiment device and simulation method thereof |
| CN115324546B (en) * | 2022-08-28 | 2023-09-08 | 重庆科技学院 | SAGD steam preheating achievement prediction method, simulation experiment device and simulation method thereof |
| CN115640759A (en) * | 2022-12-26 | 2023-01-24 | 成都捷科思石油天然气技术发展有限公司 | Drill jamming early warning method and system based on machine learning |
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