CN106769535A - A kind of solid expansion pipe band load flex expansion test method - Google Patents
A kind of solid expansion pipe band load flex expansion test method Download PDFInfo
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- CN106769535A CN106769535A CN201710020054.8A CN201710020054A CN106769535A CN 106769535 A CN106769535 A CN 106769535A CN 201710020054 A CN201710020054 A CN 201710020054A CN 106769535 A CN106769535 A CN 106769535A
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- 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
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- 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
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- 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
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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Abstract
The present invention relates to solid expansion pipe technical field in industrial gas oil, more particularly to a kind of solid expansion pipe band load flex expansion test method.Being used to overcome prior art cannot carry out full-scale evaluation test to the expansion tube under case of bending, and cause to expand the defect of body hidden danger of security reliability during underground is on active service.According to the bending curvature to be realized, the height of multiple V-shaped roller bearings on regulation carrier；Experiment expansion tube is penetrated from the floating sleeve on carrier, is reached at fixation clip after sequentially passing through the V-shaped roller bearing for regulating, experiment expansion tube is compressed by fixation clip；Expansion cone is loaded in experiment expansion tube and in expansion tube two ends welding plug, when carrying out without axial load expansion test, hydraulic pressure water is directly injected by high pressure water injection pipe in the plug one end for having expansion cone and is promoted expansion cone to complete expansion test process.
Description
Technical field
The present invention relates to solid expansion pipe technical field in industrial gas oil, more particularly to a kind of solid expansion pipe band
Load flex expansion test method.
Background technology
Solid expansion pipe SET (Solid Expandable Tubular) technology is to realize that " saving " borehole size is mesh
, casing string is expanded radially into a kind of drilling well, completion and the well workover new technology of required diameter dimension in the wellbore.Using
The technology can cause down that the sleeve pipe number of plies for entering increases, and " revolution is brought to deep-well, the drilling well of complex geological condition and casing programme
The influence of property " and important technical economic benefit.It can significantly degrade development cost well change " thin ".It is by " single hole diameter "
It is possibly realized.
Solid expandable Manifold technology is very fast in whole world development and application, external successfully to answer Solid expandable Manifold technology
For aspects such as open hole completion, expansion sleeve subsidy and expansion tail tube hangings.The current technology is by a few institute of company ridge
It is disconnected, mainly including Weatherford, baker oil tool company, TIW companies, hundreds of millions strange companies, Halliburton Company etc., wherein
Most ripe using the technology is hundreds of millions strange companies, and the development and production of hundreds of millions strange companies have gone out from φ 108mm to φ 339.7mm
The solid expansion pipe of specification series.Cut-off 2015, hundreds of millions strange companies, Shell Co. Ltd etc. are in open hole formation, high angle hole
With 2000 many cases expansion sleeve well cementation/completion technique has been successfully applied in horizontal well.
Solid expansion pipe has many key technologies, such as：Solid expansion pipe tubing technology, expansion tube interconnection technique, entity are swollen
Tube expansion detection technique and other supporting technologies etc., offshore company have established in the R＆D process of expansion tube series of products
Kind detection technique system, has ensured the security reliability of its expansion tube Related product, and is managed as business secret, skill
It is relatively costly that art is introduced.The expansion tube product that the country develops, simply according to the demand of expansion process, by body and expansion tool
After assembling, correlation is carried out on ground and has held the experiment of the object performances such as internal pressure, sealing, shortage has carried out dilatancy to solid expansion pipe
The device that can be tested, patent ZL201010285911.5, ZL201010507489.3 before the country etc. can be only to complete right
Straight expansion tube carries out swell evaluation, for expansion tube, at present when underground uses because the borehole wall occurs complications
Or horizontal well has a big radian inclination section and major part is at the state of bending, and current evaluation test equipment and means
Full-scale evaluation test cannot be carried out to the expansion tube under this operating mode, safety can during underground is on active service to cause expansion body
By the hidden danger of property, this is also the important gap between domestic bulged tube technology and external similar technique.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of solid expansion pipe band load flex expansion test method, use
To overcome prior art when underground uses, due to the borehole wall occur tortuous or horizontal well have a big radian inclination section and major part all
It is the state in bending, it is impossible to full-scale evaluation test is carried out to the expansion tube under this operating mode, and causes expansion body to exist
The defect of the hidden danger of security reliability during the military service of underground.
In order to solve the above technical problems, the technical solution adopted in the present invention is：
A kind of solid expansion pipe band load flex expansion test method, it is characterized in that：Using following device：Including
Load test framework and the bend test platform being arranged in Load test framework；
The Load test framework includes mainframe, and one end of the mainframe is provided with hydraulic cylinder, the piston rod of hydraulic cylinder with
Pulling force dop is connected, and the mainframe other end is provided with reaction force frame, and anchor tip is provided with reaction force frame；
The bend test platform includes carrier, along carrier axle to the multiple V-shaped roller bearings, each V-shaped of being equally spaced
Roller bearing lower section is respectively connected with hydraulic cylinder, and one end of carrier is provided with floating sleeve, and the other end is provided with fixation clip, carrier
Bottom is provided with connecting bracket.
The solid expansion pipe band load flex expansion test method is comprised the following steps：
1) according to the bending curvature to be realized, the height of multiple V-shaped roller bearings on regulation carrier；
2) experiment expansion tube is penetrated from the floating sleeve on carrier, is arrived after sequentially passing through the V-shaped roller bearing for regulating
Up at fixation clip, experiment expansion tube is compressed by fixation clip；
3) expansion cone is loaded in experiment expansion tube and in expansion tube two ends welding plug, when carrying out expanding without axial load
During experiment, hydraulic pressure water is directly injected by high pressure water injection pipe in the plug one end for having expansion cone and promotes expansion cone to complete expansion test
Process；
4) when axial load is applied to bending expansion tube sample two ends, repeat step 1)-step 2), expansion tube will be installed
The bend test platform of sample is put into Load test framework, the welding plug at expansion tube sample two ends respectively with pulling force dop and fixation
Joint is connected, and whole bend test platform is fixed by the connecting bracket and mainframe of bottom；
5) hydraulic cylinder is opened, drives pulling force dop to apply axial load to expansion tube one end by piston rod, when load is applied
When being added to, hydraulic pressure water is injected by high pressure water injection pipe in the plug one end for having expansion cone and promotes expansion cone to complete expansion test mistake
Journey.
Further, the dop fixed mount of support pulling force dop is provided with the mainframe, is provided with pulling force dop
Force snesor.
Further, the mainframe top is provided with laser displacement sensor, and mainframe bottom is provided with housing cradle.
Further, the reaction force frame by the pin-and-hole on latch and mainframe come fixed position.
Further, the Load test framework top is provided with protective cover.
Further, the V-shaped roller bearing has 5~9.
Further, the floating sleeve top is provided with lift angle pressing plate, and lower section is provided with support cylinder.
Further, the fixation clip is connected by leading screw with carrier, and fixation clip lower section is provided with support cylinder.
The beneficial effects of the invention are as follows：Apparatus of the present invention are simple and reliable for structure, are capable of achieving to carry out 0~30 to solid expansion pipe
Degree/30 meters simulation operating mode bending expansion test, and can while expansion tube sample bend, to body two ends applying 0~
The axial direction control mechanical stretching/compressive load of 1000kN, makes expansion tube sample that full-scale reality is completed under the hydraulic coupling of maximum 80Mpa
Thing expansion test, can effectively simulate underground complex working condition carries out full-scale commenting to the solid expansion pipe of plurality of specifications various material
Valency is tested, and can the key parameter such as the loading force of real time record process of the test, hydraulic coupling, expansion cone speed and displacement, be real
Volume expansion tube swelling performance detection, research evaluation, homogeneous tube structure are improved and process optimization provides a kind of effectively laboratory examination
Experiment device.
Brief description of the drawings
Fig. 1 is the structure chart of Load test framework in the embodiment of the present invention.
Fig. 2 is bend test platform structure figure in the embodiment of the present invention.
Fig. 3 is the axial view of Fig. 2.
Fig. 4 is structure chart of the embodiment of the present invention with load flex expansion test.
In figure, 1. hydraulic cylinder；2. laser displacement sensor；3. piston rod；4. dop fixed mount；5. pulling force dop；6. lead
Frame；7. housing cradle；8. pin-and-hole；9. anchor tip；10. latch；11. reaction force framves；12. support cylinders；13. floating bushings
Pipe；14. lift angle pressing plates；15.v type roller bearings；16. small-scale liquid cylinder pressures；17. steel construction carriers；18. connecting brackets；19. support oil
Cylinder；20. leading screws；21. fixation clips；22. protective covers；23. position instruction framves；24. expansion tube samples；25. high pressure water injection pipes.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
The solid expansion pipe band load flex Expansion Test apparatus that embodiment is provided are by Load test framework and bend test
Platform is constituted.
As shown in figure 1, Load test framework uses horizontal type structure, by hydraulic cylinder 1, mainframe 6 and housing cradle 7 are constituted, main frame
Frame 6 uses the rectangular design of steel welding structure, and it is larger that space is not blocked in middle part, can be put into bend test platform, frame material
Material can meet the maximum load of 2000KN by annealing.What is be connected with hydraulic cylinder 1 on the right side of mainframe 6 is piston rod
3, piston rod 3 connects with pulling force dop 5, for joint test expansion tube and applies axial load, dop fixed mount 4 and main frame
Frame 6 is connected and is used for supporting pulling force dop 5.Reaction force frame 11 is designed with the left side of mainframe 6, by anchor tip 9 and experiment
It is connected with expansion tube, reaction force frame 11 is axially movable, by upper and lower two latches 10 and the upper portion side wall both sides of mainframe 6
A series of pin-and-holes 8 of equidistant placement come fixed position, to adapt to different length expansion tube experiment demand.The design of Load test framework top
There is protective cover, can push-and-pull in left-right direction, the wound that fluid power and mechanical force are caused when can both prevent from occurring unexpected in process of the test
Evil, and the handling of sample are not influenceed.
As Figure 2-3, bend test main platform body is steel construction carrier 17, is in the upper surface of steel construction carrier 17
Plane and the 5 V-shaped roller bearings 15 that are equally spaced, each V-shaped roller bearing 15 is connected with the small-scale liquid cylinder pressure 16 of lower section can be realized
Lower movement and positioning, by adjusting 5 different lifting heights of V-shaped roller bearing 15, it is possible to achieve axially built in bend test platform
Vertical certain crooked radian.Floating sleeve 13 is designed with the right-hand member of bend test platform, 2 are designed with the top of floating sleeve 13
Individual lift angle pressing plate 14, for adjusting the angle of floating sleeve, is provided with support cylinder 12, for adjusting below floating sleeve 13
The height of floating sleeve 13；A fixation clip 21 is designed with the left of bend test platform, by leading screw 20 and bent flat
Platform is connected, and a support cylinder 19, the height of adjustable platform are similarly designed with lower section；In whole bend test platform lower
There are two groups of connecting brackets 18, being fixed with mainframe during for being put into Load test framework.
As shown in figure 4, when simulation operating mode carries out bending expansion test, first adjusting several on bend test platform
V-shaped roller bearing 15 rises to the height for calculating, to realize certain bending curvature.Then experiment is tried with expansion tube 24 from bending
Penetrated in the floating sleeve 13 tested on platform, sequentially passed through at the fixation clip 21 on the left of reaching after the V-shaped roller bearing 15 adjusted,
Adjusting screw 20 is fixed pressing plate 21, because fixation clip 21 and floating sleeve 13 are applied with to developmental tube two ends height direction
Downward constraint so that developmental tube 24 is tightly close to the 5 V-shaped roller bearings 15 and the upper table of steel construction carrier 17 for having certain curvature
Face, realizes the foundation of the predefined curved degree of developmental tube, while not constrained in developmental tube axial direction, can reload axial load
Lotus and allow developmental tube axially having length change.
Expansion cone is loaded in experiment expansion tube and in expansion tube two ends welding plug during experiment, when carrying out without axial load
During expansion test, hydraulic pressure water is directly injected by high pressure water injection pipe 25 in the plug one end for having expansion cone and promotes expansion cone completion swollen
Swollen process of the test；When needing the two ends of expansion tube sample 24 to apply axial load, the bend test of expansion tube sample 24 will be installed
Platform is put into Load test framework, and the welding plug at the two ends of expansion tube sample 24 is connected with pulling force dop 5 and anchor tip 9 respectively,
Whole bend test platform is fixed by two groups of connecting brackets 18 and mainframe of bottom, hydraulic cylinder 1 is opened, by piston rod 3
Pulling force dop 5 is driven to apply axial load to expansion tube one end, it is logical in the plug one end for having expansion cone when load applies in place
The too high injection hydraulic pressure of pressure injection water pipe 25 water promotes expansion cone to complete expansion test process.
In experiment, force snesor is housed on pulling force dop, hydrostatic sensor is housed on high pressure water injection pipe, it is swollen in hydraulic pressure
Measurable magnitude of load and hydraulic coupling during swollen.Meanwhile, laser displacement sensor is designed with above mainframe, by shining
Penetrating the position instruction frame moved with expansion cone is used to record speed and the displacement in expansion tube expansion process.
Apparatus of the present invention apparatus structure is simple, safe and reliable, can be to different size, different grade of steel, different expansion rates
Expansion tube simulation operating mode carries out the bending expansion test with load, is with a wide range of applications.
Claims (8)
1. a kind of solid expansion pipe is with load flex expansion test method, it is characterised in that：Using following device：Including loading machine
Frame and the bend test platform being arranged in Load test framework；
The Load test framework includes mainframe, and one end of the mainframe is provided with hydraulic cylinder, the piston rod and pulling force of hydraulic cylinder
Dop is connected, and the mainframe other end is provided with reaction force frame, and anchor tip is provided with reaction force frame；
The bend test platform includes carrier, along carrier axle to the multiple V-shaped roller bearings, each V-shaped roller bearing of being equally spaced
Lower section is respectively connected with hydraulic cylinder, and one end of carrier is provided with floating sleeve, and the other end is provided with fixation clip, carrier bottom
It is provided with connecting bracket；
The solid expansion pipe band load flex expansion test method is comprised the following steps：
1) according to the bending curvature to be realized, the height of multiple V-shaped roller bearings on regulation carrier；
2) experiment expansion tube is penetrated from the floating sleeve on carrier, reaches solid after sequentially passing through the V-shaped roller bearing for regulating
At fixed pressuring plate, experiment expansion tube is compressed by fixation clip；
3) expansion cone is loaded in experiment expansion tube and in expansion tube two ends welding plug, when carrying out without axial load expansion test
When, hydraulic pressure water is directly injected by high pressure water injection pipe in the plug one end for having expansion cone and promotes expansion cone to complete expansion test mistake
Journey；
4) when axial load is applied to bending expansion tube sample two ends, repeat step 1)-step 2), expansion tube sample will be installed
Bend test platform be put into Load test framework, the welding plug at expansion tube sample two ends respectively with pulling force dop and anchor tip
It is connected, whole bend test platform is fixed by the connecting bracket and mainframe of bottom；
5) hydraulic cylinder is opened, drives pulling force dop to apply axial load to expansion tube one end by piston rod, when load is applied to
During position, hydraulic pressure water is injected by high pressure water injection pipe in the plug one end for having expansion cone and promotes expansion cone to complete expansion test process.
2. solid expansion pipe according to claim 1 is with load flex expansion test method, it is characterised in that：The main frame
The dop fixed mount of support pulling force dop is provided with frame, force sensor is set on pulling force dop.
3. solid expansion pipe according to claim 2 is with load flex expansion test method, it is characterised in that：The main frame
Frame top is provided with laser displacement sensor, and mainframe bottom is provided with housing cradle.
4. solid expansion pipe according to claim 3 is with load flex expansion test method, it is characterised in that：The anti-work
Firmly frame by the pin-and-hole on latch and mainframe come fixed position.
5. solid expansion pipe according to claim 1 is with load flex expansion test method, it is characterised in that：The loading
Frame top is provided with protective cover.
6. solid expansion pipe according to claim 5 is with load flex expansion test method, it is characterised in that：The V-shaped
Roller bearing has 5~9.
7. solid expansion pipe according to claim 6 is with load flex expansion test method, it is characterised in that：The floating
Sleeve pipe top is provided with lift angle pressing plate, and lower section is provided with support cylinder.
8. solid expansion pipe according to claim 7 is with load flex expansion test method, it is characterised in that：The fixation
Pressing plate is connected by leading screw with carrier, and fixation clip lower section is provided with support cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710020054.8A CN106769535B (en) | 2017-01-11 | 2017-01-11 | A kind of solid expansion pipe band load flex expansion test method |
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| CN201710020054.8A CN106769535B (en) | 2017-01-11 | 2017-01-11 | A kind of solid expansion pipe band load flex expansion test method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109632497A (en) * | 2018-12-13 | 2019-04-16 | 大港油田集团有限责任公司 | It is a kind of for expanding the experimental provision and experimental method of tube swelling |
| CN110487640A (en) * | 2019-07-31 | 2019-11-22 | 西南石油大学 | A kind of variable diameter expansion cone experimental rig |
| CN110907621A (en) * | 2019-10-24 | 2020-03-24 | 广东工业大学 | Visual foundation load experimental apparatus |
| CN112727444A (en) * | 2021-01-05 | 2021-04-30 | 湖南科技大学 | Visual hole sealing material crack sealing performance testing device and method |
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| CN110487640A (en) * | 2019-07-31 | 2019-11-22 | 西南石油大学 | A kind of variable diameter expansion cone experimental rig |
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| CN110907621A (en) * | 2019-10-24 | 2020-03-24 | 广东工业大学 | Visual foundation load experimental apparatus |
| CN112727444A (en) * | 2021-01-05 | 2021-04-30 | 湖南科技大学 | Visual hole sealing material crack sealing performance testing device and method |
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| Publication number | Publication date |
|---|---|
| CN106769535B (en) | 2019-04-26 |
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