CN205714164U - The in-house laboratory investigation device of string friction moment of torsion in three-dimensional bending well - Google Patents
The in-house laboratory investigation device of string friction moment of torsion in three-dimensional bending well Download PDFInfo
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- CN205714164U CN205714164U CN201620610791.4U CN201620610791U CN205714164U CN 205714164 U CN205714164 U CN 205714164U CN 201620610791 U CN201620610791 U CN 201620610791U CN 205714164 U CN205714164 U CN 205714164U
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Abstract
The utility model belongs to tubular buckling technical field, particularly relate to the in-house laboratory investigation device of string friction moment of torsion in a kind of three-dimensional bending well, for the in-house laboratory investigation device preferably with string friction moment of torsion in improvement three-dimensional bending well to string friction torque arithmetic model 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, it is respectively servomotor, load leading screw, displacement transducer, pull pressure sensor, torque sensor, simulation tubing string, simulation wellbore hole etc., wherein servomotor quantity is two, anterior servomotor connects loading leading screw by decelerator, the servomotor at rear portion connects tubing string jointing by decelerator.The present invention has following features, the rigidity of simulation tubing string and variable dimension, and hole curvature and the torsion angle of simulation wellbore hole are adjustable, can produce and move axially and in rotation, and can realize monitoring in real time and the display of displacement, pressure and moment of torsion, simulates various working.
Description
Technical field
The invention belongs to tubular buckling technical field, particularly relate to the room of string friction moment of torsion in a kind of three-dimensional bending well
Interior test research device, in three-dimensional bending well string friction torque arithmetic model preferably and improve.
Background technology
At present, the drilling technology such as horizontal well, directional well development being widely used, but restrict the development of this technology
Problem also become increasingly conspicuous, the drag and torque of tubing string is wherein one of key issue.Tubing string after being lowered into curved portion, by
Producing very big moment of flexure in the existence of tubing string rigidity, well track is irregular space curve in addition, tubing string under entered
Cheng Zhonghui and borehole wall bump contact.When tubing string is attached on the borehole wall, between tubing string and the borehole wall, there is contact, in tubing string fortune
When dynamic, due to rubbing action, axial resistance and the moment of torsion that rubs will be applied on tubing string so that axial load increases, the moment of torsion that rubs increases
Greatly, especially in extended reach well and horizontal well, owing to it has long horizontal displacement section, high deviation angle and long open hole steady tilted section
, therefore there is bigger frictional resistance and the moment of torsion that rubs in feature.Frictional resistance produced by tubing string and the borehole wall and the moment of torsion that rubs, set to drilling well
Meter, drill-well operation are bigger with impacts such as well cementing operations.Therefore, drilling and well completion successfully and economically, accurate during Drilling Design
Prediction Value of Friction Loss and torque value are very necessary.
The importance of the drag and torque computation model of tubing string may be embodied in the three phases of drilling process: the 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
Prediction well cleaning it may happen that the problem such as bit freezing be very effective；Completion phase, model is used for analyzing sleeve pipe
Whether unobstructed enter under post.
For three-dimensional bending well section, the theoretical model calculating tubing string drag and torque at present is numerous, and every kind of method has
Different assumed condition, its method for solving is also not quite similar, and what the different results obtained by computation model had greatly differs from each other, with
Actual deviation is bigger, it is therefore necessary to carry out experimental study to the drag and torque of tubing string in three-dimensional bending well, by experiment point
Analysis corrects the drag and torque computation model with tubing string in preferred three-dimensional curved portion.
In terms of experiment, Child of BP company of Britain et al. devises tubing string analogue means, by simulating lab test pair
Down-hole string stress is simulated, and measures pulling force and the moment of torsion of tubing string in experiment, but the variable that this experiment is controlled
Less, the convincingness of analysis result is less.
Content of the invention
It is contemplated that overcome problem and the deficiency of present stage above-mentioned existing theory and technology existence, provide a kind of in reality
The experimental provision of string friction moment of torsion in three-dimensional bending well, research different size, difference can be truly measured under the conditions of testing room
Drag and torque under the conditions of different hole curvatures, different pit shaft windup-degree for the tubing string of rigidity, comes preferably with this or improves existing
Some theoretical models, for design and the on-the-spot application offer theoretical foundation of well drilling pipe column, its technical scheme using 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 drive system, measurement
System, simulation pipe string combination system and fixed system four major part, respectively servomotor, loading leading screw, feeding guide rail, displacement
Sensor, sliding frame, pull pressure sensor, torque sensor, simulation tubing string, simulation wellbore hole, fixed support, pit shaft clip,
Adpting flange, travel(l)ing rest, fixing base plate, simulation shaft bottom shell, computer, data processing equipment, signal cable, decelerator,
Linear bearing, tubing string jointing, tubing string connector, installation screw, rolling bearing, activity fixing hoop, wherein drive system
Including servomotor, loading leading screw, feeding guide rail, sliding frame, decelerator, linear bearing and tubing string jointing, servo electricity
Machine quantity is two, and anterior servomotor connects loading leading screw by decelerator, and is arranged on feeding guide rail by decelerator
On the installing plate of side, the servomotor at rear portion connects tubing string jointing by decelerator, and is arranged on cunning by decelerator
On the installing plate of dynamic framework side, load leading screw side and fix on the output shaft of fore decelerator, and pass through screw thread and cunning
Dynamic framework one end connects, and sliding frame is arranged on the slide rail of feeding guide rail by linear bearing；Carry out reality using the present invention
Before testing, being connected simulation tubing string with tubing string jointing, starting the anterior servomotor of drive system afterwards, servomotor drives
First paragraph simulation tubing string slowly sends into simulation wellbore hole, controls servomotor afterwards and returns original position and repeat above-mentioned action and carry out the
The rotation of two sections of tubing strings advances, until all simulation tubing strings are fully enclosed simulation wellbore hole；Complete final stage simulation tubing string
Before, anterior pull pressure sensor and torque sensor are installed, connect torque sensor and final stage simulation tubing string, afterwards under
Enter final stage simulation tubing string；During entering under, anterior servomotor may utilize between loading leading screw and sliding frame
Screw-driven, it is achieved the axially-movable of simulation tubing string, 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, data processing equipment, letter
Number cable, it is anterior that displacement transducer is arranged on feeding guide rail, and test side is pointed to sliding frame front end face, pull pressure sensor
Being two with the quantity of torque sensor, anterior pull pressure sensor one end connects tubing string jointing, and the other end connects
The torque sensor on top, pull pressure sensor one end connecting tube column connector at rear portion, the moment of torsion that the other end connects bottom passes
Sensor, torque sensor connects top and the bottom of simulation tubing string respectively, and data processing equipment is by amplifier, data acquisition module
Composition, and connect displacement transducer, pull pressure sensor and torque sensor by signal cable, connected by data wire and calculate
Machine；Before completing final stage simulation tubing string, anterior pull pressure sensor and torque sensor are installed, connect torque sensor
Simulate tubing string with final stage, by signal cable by pull pressure sensor, torque sensor and displacement transducer and data
Reason device and computer connect, then under enter final stage simulation tubing string, observation experiment phenomenon in experimentation, and gather turn
Speed, thrust, moment of torsion, shift assays data.
Simulation pipe string combination system includes that simulation tubing string, simulation wellbore hole, adpting flange, simulation shaft bottom shell, tubing string connect
Device, installation screw and rolling bearing, simulation tubing string can use ABS plastic and stainless steel, wherein use the string size of ABS plastic
For external diameter 22mm, the solid cylinder of long 42cm, the solid post using stainless string size to be a length of 45cm of external diameter 12mm
Body, uses threaded between adjacent simulation tubing string, simulation wellbore hole can use lucite tube and stainless steel tube two kinds, its well
The straight well section of straight well section+arc section+1 meter by 2 meters for the barrel structure forms, and adpting flange is all arranged at the two ends of each well section, adjacent
Well section between use adpting flange connect, utilize pit shaft clip to be fixed on fixed support in its front portion, portion is fixed on behind
On travel(l)ing rest, simulation shaft bottom shell installs tubing string connector at it by rolling bearing, utilizes installation screw solid in its underpart
Being scheduled on simulation wellbore hole end, outside it, utilization activity fixing hoop is arranged on travel(l)ing rest；Carry out reality using the present invention
Before testing, first just multiple simulation wellbore holes of designated curvature radius connect into complete required experiment pit shaft by adpting flange,
And be fixed on anterior simulation wellbore hole on fixed support by pit shaft clip, the simulation wellbore hole of rotatable portion is rotated down
It is fixed on after special angle on travel(l)ing rest, afterwards the simulation shaft bottom shell completing part and sensor installation is arranged on end
Simulation wellbore hole exit, and the travel(l)ing rest by fixed-analog shaft bottom shell is bolted on fixing base plate.
Fixed system includes fixed support, pit shaft clip, travel(l)ing rest, fixing base plate and activity fixing hoop, fixes and props up
Frame is grouped into by multi-section, is bolted readily accessible, and is fixed on ground with swell fixture, utilizes pit shaft card at an upper portion thereof
Simulation wellbore hole installed by hoop, and fixing base plate fixes on the ground, and has the installing hole of some travel(l)ing rests, and is installed by bolt
Travel(l)ing rest.
String friction under the conditions of the present invention has a characteristic that by the different hole curvature of research, different torsion angle is turned round
Square, is Drilling Design and on-the-spot application provides theoretical foundation；Simulation tubing string can change rigidity and size, to realize simulation difference
Well drilling pipe column and well combine；Drive system can realize that the limit rotation limit simulating tubing string advances, only rotates and do not advance and only
Advance and do not rotate three kinds of duties；Measurement system can sense and measure axial push-pull power, moment of torsion and axial displacement in real time, and
Instant playback on computer；The different operating modes such as trip-out, lower brill, rotary drilling and reaming can be simulated.
Brief description
Fig. 1: the in-house laboratory investigation device overall structure schematic diagram of string friction moment of torsion in three-dimensional bending well of the present invention；
Fig. 2: in three-dimensional bending well of the present invention string friction moment of torsion in-house laboratory investigation device in drive system part
Structural representation；
Fig. 3: in three-dimensional bending well of the present invention string friction moment of torsion in-house laboratory investigation device in simulation bottom section
Structural representation.
Symbol description
1. servomotor, 2. loads leading screw, 3. feeding guide rail, 4. displacement transducer, 5. sliding frame, 6. pressure sensing
Device, 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 rest, 14. fix base plate, 15. simulation shaft bottom shells, 16. computers, 17. data processing equipments, 18. signal cables,
19. decelerators, 20. linear bearings, 21. tubing string jointings, 22. tubing string connectors, 23. screws, 24. rolling bearings, 25. live
Dynamic 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, drives its overall being divided into
Dynamic system, measurement system, simulation pipe string combination system and fixed system four major part, the 2nd, the 1st, respectively servomotor load leading screw
The 7th, feeding guide rail the 3rd, displacement transducer the 4th, sliding frame the 5th, pull pressure sensor the 6th, torque sensor simulates tubing string the 8th, simulation wellbore hole
9th, the 13rd, fixed support the 10th, pit shaft clip the 11st, adpting flange the 12nd, travel(l)ing rest is fixed base plate and the 14th, is simulated shaft bottom shell and the 15th, calculate
Machine the 16th, data processing equipment the 17th, signal cable the 18th, decelerator the 19th, linear bearing the 20th, tubing string jointing the 21st, tubing string connector
22nd, installing screw the 23rd, rolling bearing the 24th, activity fixing hoop 25, wherein drive system includes that the 2nd, the 1st, servomotor load leading screw
Feeding guide rail the 3rd, sliding frame the 5th, decelerator the 19th, 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 feeding guide rail 3 side by decelerator 19
On installing plate, the servomotor 1 at rear portion connects tubing string jointing 21 by decelerator 19, and is arranged on cunning by decelerator 19
On the installing plate of dynamic framework 5 side, load leading screw 2 side and fix on the output shaft of fore decelerator 19, and pass through screw thread
Being connected with sliding frame 5 one end, sliding frame 5 is arranged on the slide rail of feeding guide rail 3 by linear bearing 20；Measurement system bag
Include displacement transducer the 4th, pull pressure sensor the 6th, torque sensor the 7th, computer the 16th, data processing equipment the 17th, signal cable 18, position
It is anterior that displacement sensor 4 is arranged on feeding guide rail 3, and test side is pointed to sliding frame 5 front end face, pull pressure sensor 6 and torsion
The quantity of square sensor 7 is two, and anterior pull pressure sensor 6 one end connects tubing string jointing 21, and the other end connects
The torque sensor 7 on top, pull pressure sensor 6 one end connecting tube column connector 22 at rear portion, the other end connects the torsion of bottom
Square sensor 7, torque sensor 7 connects top and the bottom of simulation tubing string 8 respectively, and data processing equipment 17 is by amplifier, number
According to acquisition module composition, and connect displacement transducer the 4th, pull pressure sensor 6 and torque sensor 7 by signal cable 18, logical
Cross data wire and connect computer 16；Simulation pipe string combination system includes that the 12nd, simulation tubing string the 8th, simulation wellbore hole the 9th, adpting flange simulates
The 22nd, shell the 15th, tubing string connector in shaft bottom installs screw 23 and rolling bearing 24, and simulation tubing string 8 can use ABS plastic and stainless
Steel, the string size wherein using ABS plastic is external diameter 22mm, and the solid cylinder of long 42cm uses stainless string size
For the solid cylinder of a length of 45cm of external diameter 12mm, using threaded between adjacent simulation tubing string 8, simulation wellbore hole 9 can be adopted
With lucite tube and stainless steel tube two kinds, the straight well section of straight well section+arc section+1 meter by 2 meters for its shaft structure forms, and
Adpting flange 12 is all arranged at the two ends of each well section, uses adpting flange 12 to connect, utilize well in its front portion between adjacent well section
Cylinder clip 11 is fixed on fixed support 10, and portion is fixed on travel(l)ing rest 13 behind, and simulation shaft bottom shell 15 passes through rolling at it
Dynamic bearing 24 installs tubing string connector 22, utilizes installation screw 23 to be fixed on simulation wellbore hole 9 end in its underpart, profit outside it
It is arranged on travel(l)ing rest 13 with activity fixing hoop 25；Fixed system includes fixed support the 10th, pit shaft clip the 11st, travel(l)ing rest
13rd, fixing base plate 14 and activity fixing hoop 25, fixed support 10 is grouped into by multi-section, is bolted readily accessible, and
Being fixed on ground with swell fixture, utilizing pit shaft clip 11 to install simulation wellbore hole 9 at an upper portion thereof, fixing base plate 14 is fixed on ground
On, and have the installing hole of some travel(l)ing rests 13, and pass through bolt installation activity support 13.
Before using the present invention to test, first just multiple simulation wellbore holes 9 of designated curvature radius pass through connection method
Blue 12 connect into complete required experiment pit shaft, and by pit shaft clip 11, anterior simulation wellbore hole 9 are fixed on fixed support
It on 10, is fixed on after the simulation wellbore hole 9 of rotatable portion is rotated down special angle on travel(l)ing rest 13, zero will be completed afterwards
The simulation shaft bottom shell 15 that part and sensor are installed is arranged on simulation wellbore hole 9 exit of end, and by outside fixed-analog shaft bottom
The travel(l)ing rest 13 of shell 15 is bolted on fixing base plate 14；Simulation tubing string 8 is connected with tubing string jointing 21, it
The anterior servomotor 1 of rear startup drive system, servomotor 1 drives first paragraph simulation tubing string 8 slowly to send into simulation wellbore hole 9,
Control servomotor 1 afterwards to return original position and repeat above-mentioned action and carry out the rotation of second segment tubing string and advance, until all moulds
Intend tubing string 8 and be fully enclosed simulation wellbore hole 9；Before completing final stage simulation tubing string 8, anterior pull pressure sensor 6 is installed
With torque sensor 7, connect torque sensor 7 and final stage simulation tubing string 8, by signal cable 18 by pull pressure sensor
6th, torque sensor 7 and displacement transducer 4 are connected with data processing equipment 17 and computer 16, then under enter final stage simulation pipe
Post 8；During entering under, the anterior available screw-driven loading between leading screw 2 and sliding frame 5 of servomotor 1, it is achieved
The axially-movable of simulation tubing string 8, the servomotor 1 at rear portion can realize simulating the rotary motion of tubing string 8, observe in experimentation
Experimental phenomena, and gather rotating speed, thrust, moment of torsion, shift assays data, after completing data extraction, analyze experimental data, draw reality
Test conclusion.
Claims (4)
1. the in-house laboratory investigation device of string friction moment of torsion in three-dimensional bending well, it is overall is divided into drive system, measurement system
System, simulation pipe string combination system and fixed system four major part, respectively servomotor (1), loading 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
Pit shaft (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 connector (22), installation screw (23), rolling bearing (24), activity fixing 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, and anterior servomotor (1) leads to
Cross decelerator (19) and connect loading leading screw (2), and be arranged on the installing plate of feeding guide rail (3) side by decelerator (19),
The servomotor (1) at rear portion connects tubing string jointing (21) by decelerator (19), and is arranged on cunning by decelerator (19)
On the installing plate of dynamic framework (5) side, load leading screw (2) side and fix on the output shaft of fore decelerator (19), and lead to
Crossing screw thread to be connected with sliding frame (5) one end, sliding frame (5) is arranged on the cunning of feeding guide rail (3) by linear bearing (20)
On rail.
2. the in-house laboratory investigation device of string friction moment of torsion in three-dimensional bending well according to claim 1, its feature
It is: measurement system includes displacement transducer (4), pull pressure sensor (6), torque sensor (7), computer (16), data
Processing means (17), signal cable (18), it is anterior that displacement transducer (4) is arranged on feeding guide rail (3), and points to test side sliding
Dynamic framework (5) front end face, the quantity of pull pressure sensor (6) and torque sensor (7) is two, anterior pressure sensing
Device (6) one end connects tubing string jointing (21), and the other end connects the torque sensor (7) on top, the pressure sensing at rear portion
Device (6) one end connecting tube column connector (22), the other end connects the torque sensor (7) of bottom, and torque sensor (7) connects respectively
Connect top and the bottom of simulation tubing string (8).
3. the in-house laboratory investigation device of string friction moment of torsion in three-dimensional bending well according to claim 1, its feature
It is: simulation tubing string (8) can use ABS plastic and stainless steel, and the string size wherein using ABS plastic is external diameter 22mm, long
The solid cylinder of 42cm, the solid cylinder using stainless string size to be a length of 45cm of external diameter 12mm, adjacent simulation
Use threaded between tubing string (8).
4. the in-house laboratory investigation device of string friction moment of torsion in three-dimensional bending well according to claim 1, its feature
Being: simulation wellbore hole (9) can use lucite tube and stainless steel tube two kinds, its shaft structure is by the straight well section+arc section of 2 meters
The straight well section of+1 meter forms, and adpting flange (12) is all arranged at the two ends of each well section, uses adpting flange between adjacent well section
(12) connecting, utilizing in its front portion pit shaft clip (11) to be fixed on fixed support (10), portion is fixed on travel(l)ing rest behind
(13) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620610791.4U CN205714164U (en) | 2016-06-20 | 2016-06-20 | The in-house laboratory investigation device of string friction moment of torsion in three-dimensional bending well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620610791.4U CN205714164U (en) | 2016-06-20 | 2016-06-20 | The in-house laboratory investigation device of string friction moment of torsion in three-dimensional bending well |
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| Publication Number | Publication Date |
|---|---|
| CN205714164U true CN205714164U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620610791.4U Expired - Fee Related CN205714164U (en) | 2016-06-20 | 2016-06-20 | The in-house laboratory investigation device of string friction moment of torsion in three-dimensional bending well |
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| Country | Link |
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| CN (1) | CN205714164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952437A (en) * | 2016-06-20 | 2016-09-21 | 中国石油大学(华东) | Indoor experimental research apparatus for friction and torque of strings in three-dimensional curved boreholes |
-
2016
- 2016-06-20 CN CN201620610791.4U patent/CN205714164U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952437A (en) * | 2016-06-20 | 2016-09-21 | 中国石油大学(华东) | Indoor experimental research apparatus for friction and torque of strings in three-dimensional curved boreholes |
| CN105952437B (en) * | 2016-06-20 | 2023-02-07 | 中国石油大学(华东) | Indoor experimental research device for friction resistance torque of tubular column in three-dimensional bending well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20170620 |