CN105604500A - Underwater riser vortex-induced vibration abatement device - Google Patents
Underwater riser vortex-induced vibration abatement device Download PDFInfo
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- CN105604500A CN105604500A CN201610138622.XA CN201610138622A CN105604500A CN 105604500 A CN105604500 A CN 105604500A CN 201610138622 A CN201610138622 A CN 201610138622A CN 105604500 A CN105604500 A CN 105604500A
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- induced vibration
- circular arc
- suppression device
- vibration suppression
- vortex
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- 230000002787 reinforcement Effects 0.000 claims description 33
- 239000003351 stiffener Substances 0.000 claims description 22
- 230000001629 suppression Effects 0.000 claims description 20
- 230000007704 transition Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 description 4
- WJXQFVMTIGJBFX-UHFFFAOYSA-N 4-methoxytyramine Chemical compound COC1=CC=C(CCN)C=C1O WJXQFVMTIGJBFX-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/002—Influencing flow of fluids by influencing the boundary layer
- F15D1/0025—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply
- F15D1/003—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Aerials (AREA)
Abstract
The invention discloses an underwater riser vortex-induced vibration abatement device, and belongs to the technical field of ocean engineering. The vortex-induced vibration abatement device comprises a fairing (4) arranged on a riser (1) in a sleeving mode and further at least comprises two thrust terminators (2) arranged on the rise (1) in a sleeving mode and arranged at the two ends of the fairing (4). The underwater riser vortex-induced vibration abatement device is high in strength and easy and convenient to install, is not affected by incoming flow and can effectively abate vortex-induced vibration.
Description
Technical field
The present invention relates to a kind of submerged riser vortex-induced vibration suppression device, belong to field of ocean engineering.
Background technology
With the worsening shortages of landing field oil supply, exploitation exploitation deep-sea oil gas has become the important channel that solves current energy crisis. Connect as the key between subsea production system and surface unit, the lifting that marine riser system is oil gas provides passage, and it is on active service is safely the basic guarantee of deep-sea oil gas exploitation. Marine environment is severe, and standpipe inevitably produces vortex-induced vibration phenomenon, and standpipe, under lasting vortex-induced vibration effect, finally may produce fatigue rupture, thereby affect oil-gas mining, even causes serious engineering and environmental accident.
For reducing and prevent the destruction of vortex-induced vibration, improve the service life of marine riser, for reducing and prevent the destruction of vortex-induced vibration, improve the service life of marine riser, application number a kind of submerged riser vortex-induced vibration suppression device that adopts rotatable radome fairing that has been 201010571612 Patent Application Publication, it comprises a pair of rotary module, radome fairing fixed bolster 45, radome fairing 46, and rotary module comprises rotary module fixture, rotary module tumbler 43, roller and axial retention sheet; Rotary module fixture is made up of two semi-ring steel components of symmetry; Rotary module fixture is enclosed within standpipe 41 from both sides, and makes to be joined with bolts; Roller is positioned in the roller groove of rotary module fixture; Rotary module tumbler is also made up of two semi-ring steel components of symmetry, processes roller annular groove on its bottom surface; The axial retention sheet of right-angle structure, is arranged on respectively on two semi-rings of rotary module tumbler 43; Rotary module tumbler is enclosed within above rotary module fixture, and its roller annular groove is just in time placed on above roller, uses bolt 49 to connect between two semi-rings; Circle metacone before radome fairing 46 profiles, smooth surface, omits the shape as water droplet; It is circular arc that cross section is met flow path direction part, wake flow direction part along circular arc tangential line smooth transition until intersect, intersect after extend a segment trailer; Radome fairing 46 is arranged on rotary module outside together with radome fairing fixed bolster 45, and each radome fairing is installed respectively a rotary module in two ends Shang Xia 46; Between the rotary module at two ends and radome fairing 46, be fastenedly connected respectively with bolt 49, radome fairing 36 circular arc portions are coaxial with standpipe, as shown in Figure 1.
This submerged riser vortex-induced vibration suppression device structure that prior art provides is not strong, inconvenience is installed, and easily on column, slides.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of submerged riser vortex-induced vibration suppression device, its intensity is high, installs simple and conveniently, not affected by incoming flow, can effectively suppress vortex-induced vibration.
For realizing described goal of the invention, the invention provides a kind of submerged riser vortex-induced vibration suppression device, it comprises and is enclosed within radome fairing 4 on standpipe 1, also at least comprises two thrust terminators 2 that are enclosed within on standpipe 1 and are arranged on radome fairing two ends.
Preferably, utilize bandage that thrust terminator 2 is fixed on standpipe (1).
Preferably, described bandage is made up of stainless steel.
Preferably, radome fairing 4 comprises circular arc portion and the afterbody with the V-type of circular arc smooth transition; Circular arc portion is provided with two opening stiffeners and vertically along the reinforcement that is circumferentially provided with multiple rectified actions.
Preferably, the afterbody side of V-type is provided with multiple whirlpools groove 14.
Preferably, thrust terminator 2 at least comprises cylinder, and a side of cylinder is provided with opening vertically.
Preferably, thrust terminator 2 also at least comprises multiple deep-slotted chip breakers that to be arranged at cylinder two ends radial section be V-type.
Preferably, deep-slotted chip breaker is four, and wherein two are arranged on one end of cylinder, another two other ends that are arranged on cylinder.
Compared with prior art, the present invention provided by the invention is owing to taking above technical scheme, and tool has the following advantages:
1, radome fairing adopts vee tail, airflow design, and lateral layout has whirlpool groove, and this kind of structure can reduce resistance and the Fluctuating Lift of standpipe, effectively suppresses vortex-induced vibration;
2, the reinforcement of radome fairing is not only reinforcement structure, and its main purpose has been rectified action, by current layering, reduces the axial disturbance of current, further strengthens the effect that suppresses vortex-induced vibration;
3, radome fairing can change direction with flow direction, effectively solves inhibition and is carried out the defect that flow path direction limits, and can adapt to flow to the abyssal environment of change at random, has therefore increased the range of application in engineering;
4, radome fairing and thrust terminator all adopt high strength HMPE material, significantly reduce production costs, and simplified manufacturing technique, resistance to compression, wear-resisting, not perishable, Applicable temperature scope is large, and waste product can be recycled;
5, apparatus of the present invention only need be installed at a certain distance a pair of thrust terminator on standpipe, then put band rectification reinforcement radome fairing, install simple and conveniently, and construction technology easily realizes.
Compared with prior art, band rectification reinforcement radome fairing provided by the invention, its intensity is high, installs simple and conveniently, not affected by incoming flow, can effectively suppress vortex-induced vibration.
Brief description of the drawings
Fig. 1 is a kind of riser vortex induced vibration suppression device providing in prior art;
Fig. 2 is riser vortex induced vibration suppression device schematic diagram provided by the invention;
Fig. 3 is apparatus of the present invention radome fairing perspective view;
Fig. 4 is the schematic cross-section radially cutting along A-A in Fig. 2;
Fig. 5 is the schematic cross-section radially cutting along B-B in Fig. 2;
Fig. 6 is thrust terminator perspective view provided by the invention;
Fig. 7 is the top view of thrust terminator in Fig. 6;
Reference numeral: 1-standpipe; 2,25-thrust terminator; 3,26-stainless steel bandage; 4-radome fairing; 5-through hole; 6-bolt; 7-nut; 8-packing ring; 9,31-opening stiffener, 10-elastic opening, 11,21,27, the little rectification reinforcement of 29-; 12-elliptical aperture; 13, the large rectification reinforcement of 28-; 14,22,23,33-whirlpool groove; 15-cylinder; 16,17,18,19-deep-slotted chip breaker; 20-opening.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
In description of the invention, it should be noted that, orientation or the position relationship of the instructions such as term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of the device of instruction or hint indication or element must have specific orientation, with specific orientation structure with operate, therefore can not be interpreted as limitation of the present invention. In addition, term " first ", " second ", " the 3rd " be only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; It can be mechanical connection, also can be to be directly connected, also can indirectly be connected by intermediary, can also be the connection of two element internals, for the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
Fig. 2 is riser vortex induced vibration suppression device schematic diagram provided by the invention. As shown in Figure 2, submerged riser vortex-induced vibration suppression device provided by the invention comprises and is enclosed within radome fairing 4 on standpipe 1, also comprises two thrust terminator 2 and thrust terminators 25 that are enclosed within on standpipe 1 and are arranged on radome fairing two ends. Preferably, utilize bandage 3 that thrust terminator 2 is fixed on standpipe 1, utilize bandage 26 that thrust terminator 25 is fixed on standpipe 1. Described bandage is preferably made with stainless steel. Radome fairing 4 adopts airflow design, by cutting and form after high density HMPE material rotation molding, circle metacone before profile, symmetrical up and down, it is circular arc that its cross section is met stream part, and circular arc portion is provided with opening stiffener vertically and along the circumferential reinforcement that plays rectified action, afterbody part is along circular arc tangential line smooth transition until intersect, be that afterbody is V-shaped, that is, radome fairing 4 comprises circular arc portion and the afterbody with the V-type of circular arc smooth transition; Circular arc portion comprises the first circular arc portion and second circular arc portion identical with the first circular arc portion full symmetric and shape; The first circular arc portion be provided with vertically opening stiffener 9, the second circular arc portions be provided with vertically in opening stiffener 31(Fig. 2 do not show), between opening stiffener 9 and opening stiffener 31, form elastic opening 10; The first circular arc portion and the second circular arc portion are along the reinforcement that is circumferentially provided with multiple rectified actions. Reinforcement comprises large reinforcement gusset and little reinforcement gusset, strengthens greatly gusset as 13, and little reinforcement gusset is as 11 and 21; Large reinforcement gusset and little reinforcement gusset are along being circumferentially arranged alternately at circular arc portion. Large reinforcement place has elliptical aperture 12, when installation, opens the elastic opening 10 of radome fairing 4 by elliptical aperture 12, is enclosed within on standpipe 1, makes radome fairing 4 circular arc portions coaxial with standpipe 1. Opening stiffener 9 and opening stiffener 31 are symmetrically arranged with multiple through holes, as through hole 5, use bolt 6, nut 7, packing ring 8 that opening stiffener 9 and opening stiffener 31 are fastenedly connected, and radome fairing 4 can freely rotate around standpipe 1 axis. Afterbody first lateral layout of V-type has whirlpool groove 14, whirlpool groove 22 and whirlpool groove 23, and afterbody second side of V-type is also designed with multiple whirlpools groove, respectively with whirlpool groove 14, whirlpool groove 22 and whirlpool groove 23 symmetries. A thrust terminator 2 is installed in the upper end of radome fairing 4, and a thrust terminator 25 is installed in the lower end of radome fairing 4, and upper and lower two thrust terminators are enclosed within on standpipe, and uses stainless steel bandage that its card is embraced in standpipe 1 outer surface, ensures that thrust terminator can not move axially along standpipe 1. Described thrust terminator internal diameter is slightly larger than standpipe 1 outer diameter D, highly for 0.25L-0.3L(radome fairing 4 length are L); Radome fairing 4 cross section circular arc part internal diameters are slightly larger than standpipe 1 outer diameter D.
Fig. 3 is radome fairing perspective view provided by the invention, and as shown in Figure 3, radome fairing 4 comprises circular arc portion and the afterbody with the V-type of circular arc smooth transition; Circular arc portion comprises the first circular arc portion and second circular arc portion identical with the first circular arc portion full symmetric and shape; The first circular arc portion is provided with vertically opening stiffener 9, the second circular arc portions and is provided with vertically opening stiffener 31, between opening stiffener 9 and opening stiffener 31, forms elastic opening 10; The first circular arc portion is along the reinforcement that is circumferentially provided with multiple rectified actions. Reinforcement comprises large reinforcement gusset and little reinforcement gusset, strengthens greatly gusset as 13, and little reinforcement gusset is as 11 and 21; Large reinforcement gusset and little reinforcement gusset being circumferentially arranged alternately at the first circular arc portion along the first circular arc portion. The second circular arc portion is along the reinforcement that is circumferentially also provided with multiple rectified actions. Reinforcement comprises large reinforcement gusset and little reinforcement gusset, strengthens greatly gusset as 28, and little reinforcement gusset is as 27 and 29; Large reinforcement gusset and little reinforcement gusset being circumferentially arranged alternately along the second circular arc portion. Junction at the large reinforcement gusset of the first circular arc portion and the large reinforcement gusset of the second circular arc portion has elliptical aperture 12. The arc sections office of radome fairing 4 forms cylindrical cavity 30 vertically, forms elliptical cylinder-shape cavity 32 at the afterbody of V-arrangement. Opening stiffener 9 and opening stiffener 31 are symmetrically arranged with multiple through holes, as through hole 5, use bolt, nut, packing ring that opening stiffener 9 and opening stiffener 31 are fastenedly connected. Afterbody first side of V-type is provided with whirlpool groove 14, whirlpool groove 22 and whirlpool groove 23, and afterbody second side of V-type is also provided with multiple whirlpools groove, respectively with whirlpool groove 14, whirlpool groove 22 and whirlpool groove 23 symmetries.
Fig. 4 is the schematic cross-section that in Fig. 2, radome fairing radially cuts along A-A. As shown in Figure 4, radome fairing 4 comprises circular arc portion and the afterbody with the V-type of circular arc smooth transition; Circular arc portion comprises symmetrically arranged the first circular arc portion and the second circular arc portion, and the first circular arc portion is provided with opening stiffener 9 vertically; The second circular arc portion is provided with opening stiffener 31 vertically.
Fig. 5 is the schematic cross-section that in Fig. 2, radome fairing radially cuts along B-B. As shown in Figure 5, radome fairing 4 comprises circular arc portion and the afterbody with the V-type of circular arc smooth transition; Circular arc portion comprises symmetrically arranged the first circular arc portion and the second circular arc portion, the first circular arc portion is strengthened gusset 13 along being circumferentially provided with, the second circular arc portion is strengthened gusset 28 along being circumferentially provided with, strengthen gusset 13 and strengthen gusset 28 junctions forming elliptical aperture 12, the afterbody of V-type is symmetrically arranged with whirlpool groove 22 and whirlpool groove 33.
Fig. 6 is thrust terminator perspective view provided by the invention; Fig. 7 is thrust terminator top view in Fig. 6, and as shown in Fig. 6-7, thrust terminator 2 comprises cylinder 15, and a side of cylinder is provided with opening 20 vertically. Thrust terminator 2 comprises and is multiplely arranged at cylinder two ends radial section the deep-slotted chip breaker 19 that is V-type, deep-slotted chip breaker 18, the deep-slotted chip breaker 16 of V-type and the deep-slotted chip breaker 17 of V-type of V-type. Thrust terminator 2 cuts after by high density HMPE material rotation molding and forms.
When riser vortex induced vibration suppression device provided by the invention is arranged in submerged riser, in the time carrying out flow path direction change, under the effect of surperficial pressure at both sides, radome fairing 4 will be around standpipe 1 axis rotation, and automatic stabilisation is in two equilbrium positions, thereby change incoming flow angle, vortex-induced vibration inhibition is remained in a good scope.
If submerged riser 1 draw ratio is very large, can be thereon every vortex-induced vibration suppression device described in a segment distance installation multistage, the length of every section of described radome fairing 4 is got L.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to embodiment. For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description. Here without also giving exhaustive to all embodiments. And the apparent variation of being extended out thus or variation are still among the protection domain in the invention.
Claims (8)
1. a submerged riser vortex-induced vibration suppression device, it comprises and is enclosed within the upper radome fairing (4) of standpipe (1), it is characterized in that, also at least comprises two thrust terminators (2) that are enclosed within standpipe (1) and go up and be arranged on radome fairing two ends.
2. submerged riser vortex-induced vibration suppression device according to claim 1, is characterized in that, utilizes bandage that thrust terminator (2) is fixed on standpipe (1).
3. submerged riser vortex-induced vibration suppression device according to claim 2, is characterized in that, described bandage is made up of stainless steel.
4. submerged riser vortex-induced vibration suppression device according to claim 3, is characterized in that, radome fairing (4) comprises circular arc portion and the afterbody with the V-type of circular arc smooth transition; Circular arc portion is provided with two opening stiffeners and the reinforcement along multiple rectified actions that circumferentially arrange vertically.
5. submerged riser vortex-induced vibration suppression device according to claim 4, is characterized in that, the afterbody side of V-type is provided with multiple whirlpools grooves (14).
6. submerged riser vortex-induced vibration suppression device according to claim 5, is characterized in that, thrust terminator (2) at least comprises cylinder, and cylinder is provided with opening vertically.
7. submerged riser vortex-induced vibration suppression device according to claim 6, is characterized in that, thrust terminator (2) also at least comprises multiple deep-slotted chip breakers that to be arranged at cylinder two ends radial section be V-type.
8. submerged riser vortex-induced vibration suppression device according to claim 7, is characterized in that, deep-slotted chip breaker is four, and wherein two are arranged on one end of cylinder, another two other ends that are symmetricly set on cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610138622.XA CN105604500A (en) | 2016-03-11 | 2016-03-11 | Underwater riser vortex-induced vibration abatement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610138622.XA CN105604500A (en) | 2016-03-11 | 2016-03-11 | Underwater riser vortex-induced vibration abatement device |
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| Publication Number | Publication Date |
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| CN105604500A true CN105604500A (en) | 2016-05-25 |
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| CN201610138622.XA Pending CN105604500A (en) | 2016-03-11 | 2016-03-11 | Underwater riser vortex-induced vibration abatement device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285511A (en) * | 2016-09-27 | 2017-01-04 | 西南石油大学 | A kind of compound disturbance formula riser vortex induced vibration suppression device and method |
| CN106869821A (en) * | 2017-01-18 | 2017-06-20 | 燕山大学 | A kind of self adaptation vortex-induced vibration suppression device with assistant shape ribbon |
| CN107642462A (en) * | 2017-09-18 | 2018-01-30 | 新疆金风科技股份有限公司 | Fairing, tower and wind power generating set |
| CN113958267A (en) * | 2021-09-16 | 2022-01-21 | 建湖县永维阀门钻件有限公司 | Improved drilling riser assembly |
| CN116856861A (en) * | 2023-09-05 | 2023-10-10 | 浙江华东岩土勘察设计研究院有限公司 | Protective sleeve construction equipment |
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| CN205422574U (en) * | 2016-03-11 | 2016-08-03 | 青岛迪玛尔海洋工程有限公司 | Water lower riser vortex induced vibration suppression device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106285511A (en) * | 2016-09-27 | 2017-01-04 | 西南石油大学 | A kind of compound disturbance formula riser vortex induced vibration suppression device and method |
| CN106285511B (en) * | 2016-09-27 | 2018-05-22 | 西南石油大学 | A kind of compound disturbance formula standpipe vortex-induced vibration suppression device and method |
| CN106869821A (en) * | 2017-01-18 | 2017-06-20 | 燕山大学 | A kind of self adaptation vortex-induced vibration suppression device with assistant shape ribbon |
| CN106869821B (en) * | 2017-01-18 | 2019-04-09 | 燕山大学 | A kind of adaptive vortex-induced vibration suppression device with assistant shape ribbon |
| CN107642462A (en) * | 2017-09-18 | 2018-01-30 | 新疆金风科技股份有限公司 | Fairing, tower and wind power generating set |
| CN113958267A (en) * | 2021-09-16 | 2022-01-21 | 建湖县永维阀门钻件有限公司 | Improved drilling riser assembly |
| CN116856861A (en) * | 2023-09-05 | 2023-10-10 | 浙江华东岩土勘察设计研究院有限公司 | Protective sleeve construction equipment |
| CN116856861B (en) * | 2023-09-05 | 2023-11-17 | 浙江华东岩土勘察设计研究院有限公司 | Protective sleeve construction equipment |
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Application publication date: 20160525 |