CN105424389A - Mechanical typhoon avoidance behavior simulated test device and method for hard suspended marine riser of deepwater drilling platform - Google Patents
Mechanical typhoon avoidance behavior simulated test device and method for hard suspended marine riser of deepwater drilling platform Download PDFInfo
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- CN105424389A CN105424389A CN201510735367.2A CN201510735367A CN105424389A CN 105424389 A CN105424389 A CN 105424389A CN 201510735367 A CN201510735367 A CN 201510735367A CN 105424389 A CN105424389 A CN 105424389A
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- marine riser
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
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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
Abstract
The invention discloses a mechanical typhoon avoidance behavior simulated test device for a hard suspended marine riser of a deepwater drilling platform. The test device comprises a deepwater test pool (1) with a wave making system and a horizontal movement mechanism (2), a cylindrical linear guide rail (7) which is arranged vertically is fixed on a slide block A (6), the end surface of a slide block B (8) is provided with an L-shaped steel plate (9), a vertical plate of the L-shaped steel plate (9) is fixed to the slide block B (8) via a screw, and a tightening sleeve (10) is provided with locking screws (11) in the circumferential direction; and the test device further comprises a computer (21) and a control box (23) and a data collection box (22) connected with the computer (21), the control box (23) is connected with a servo motor (28), and the data collection box (22) is connected with a foil gauge, a three-component dynamometer and a fiber grating sensor (20). The test device and method have the advantages that the typhoon avoidance condition of the hard suspended marine riser of the deepwater drilling platform can be effectively and reliably simulated, the versatility is high, and a test result is stable and reliable.
Description
Technical field
The present invention relates to the technical field of deepwater drilling, particularly a kind of deepwater drilling platform hard hangs marine riser and keeps away platform mechanical behavior simulation test device and simulation experiment method.
Background technology
At present, the growth by 50% of World's Oil and Gas Resources comes from deep water, 29 large oil and gas fields more than 500,000,000 barrels have been found in deepwater regions, strategic emphasis is also progressively proceeded to deep water hydrocarbon resources exploration by each major oil companies in the whole world, and what deep water had become Global Oil and Gas Resources reserves mainly takes over field.
But China is technically still in the starting stage at deepwater drilling, correlation technique is thrown away and is monopolized by foreign company, especially on marine riser safety control technology.Riser system refers to the key equipment connecting subsea blow out preventer and sea drilling platform, to seabed interface channel from offshore drilling platform, it connects air deflector, lower even subsea blow out preventer group, owing to being among seawater, the load suffered by it and operating mode are extremely complicated easily having an accident, especially emergent keep away platform time, marine riser needs quick-release, and withdraws with Platform movement, very easily marine riser failure accidents occurs.Marine riser is emergent when keeping away platform, and owing to being pressed for time, marine riser has little time to reclaim, and often adopts the hard mode hung, and is hung by marine riser with on chuck, and hanging position belongs to and is rigidly connected.After this, platform suspended on marine riser with certain speed, withdraws.Under the relative motion state of this marine riser and seawater, marine riser is stressed huge, very easily failure accidents occurs.
Chinese patent ZL201310169000.X, the invention discloses marine riser vibration characteristic simulation test device under a kind of deepwater drilling operating mode, it comprises pond and trailer, lifting gear A is arranged on the horizontal slide rail of trailer, marine riser model connects the joint A bottom lifting gear A and the joint B bottom lifting gear B, joint A connection container, and joint B is communicated with liquid pump, marine riser model is also provided with tension-adjusting gear, also disclosed the experimental technique adopting this device.This test unit is only applicable to the marine riser model of different length, different tensile force, different drilling fluid density, different drilling fluid viscosity, different drilling well discharge capacity, different drilling well rotating speed can be simulated on the impact of marine riser model vibration characteristics, in process of the test, real time data can be obtained accurately.
Chinese patent ZL201310290359.2, the invention discloses a kind of duct test device, especially a kind of offshore drilling marine riser test unit.It comprises two duct closing type devices, duct closing type device comprises base and shutoff flange, duct closing type device also comprises degree of freedom regulating system, degree of freedom regulating system is arranged on base respectively, shutoff flange to be arranged in degree of freedom regulating system and to regulate locus by degree of freedom regulating system, and degree of freedom regulating system is at least made up of X-axis rotating mechanism, Y-axis translation mechanism, Y-axis rotating mechanism, Z axis translation mechanism and Z axis rotating mechanism.Owing to have employed degree of freedom regulating system, therefore shutoff flange regulates arbitrarily in space by said mechanism, make shutoff flange can with the corresponding sealing of marine riser assembly flange of optional position, thus six roots of sensation pressure pipe can be made to test simultaneously.
But domestic and international correlation test device does not also include deepwater drilling platform hard and hangs marine riser mechanical behavior test unit, and test method is not comprehensive.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art, provide a kind of simulation deepwater drilling platform hard that can be true and reliable to hang marine riser and keep away the reliable and stable deepwater drilling platform hard of platform operating mode, highly versatile, test findings and hang marine riser and keep away platform mechanical behavior simulation test device and simulation experiment method.
Object of the present invention is achieved through the following technical solutions: a kind of deepwater drilling platform hard hangs marine riser and keeps away platform mechanical behavior simulation test device, it comprises the deep-water basin with wave making system, horizontal mobile mechanism, described horizontal mobile mechanism is arranged on the top of deep-water basin, horizontal mobile mechanism is by crossbeam, be arranged on Trolley case and the servomotor of crossbeam both sides, be arranged on belt pulley and the belt composition of servomotor output terminal, between roller in Trolley case and belt pulley, belt is installed, belt is provided with slide block A, slide block A is fixed with the cylindrical linear rail of vertical setting, cylindrical linear rail installs slide block B, the end face of slide block B is provided with L-type steel plate, the vertical panel of L-type steel plate is fixed in slide block B through screw, the leveling board of L-type steel plate is provided with expansion sleeve, the circumferencial direction of expansion sleeve is provided with multiple lock-screw,
It also comprises marine riser model pipe nipple, marine riser model and three component instrument, the upper and lower end of three described component instrument is respectively arranged with pagoda joint I and pagoda joint II, marine riser model and all vertical setting of marine riser model pipe nipple, pagoda joint I is inserted into the bottom of marine riser model pipe nipple, the top of marine riser model pipe nipple is inserted in expansion sleeve, multiple foil gauge has been compressed between expansion sleeve and marine riser model pipe nipple, pagoda joint II is inserted into the top of marine riser model, the bottom of marine riser model is provided with counterweight, the outer wall cloth of marine riser model
putthere is the buoyant mass according to experimental designs, on the cylinder of marine riser model and the circumferencial direction being positioned at marine riser model is equidistantly distributed with fiber-optic grating sensor;
Control box, data acquisition device that it also comprises computing machine and is connected with computing machine, described control box is connected with servomotor, and data acquisition device is connected with foil gauge, three component instrument and fiber-optic grating sensor.
The both sides of described crossbeam are respectively arranged with support A and support B, and support A and support B is arranged on the both sides of deep-water basin.
The upper end of three described component instrument is connected with pagoda joint I through ring flange I, and the lower end of three described component instrument connects through the pagoda joint II of ring flange II.
Deepwater drilling platform hard hangs the simulation experiment method that platform mechanical behavior kept away by marine riser, and it comprises the following steps:
The marine riser model of S1, selection certain length, and arrange the configuration of buoyant mass thereon, marine riser model is hung in deep-water basin;
S2, weight according to subsea blow out preventer, reduce according to similarity theory, hangs counterweight at marine riser model bottom;
S3, the data on three component instrument, foil gauge and fiber-optic grating sensor are carried out to clearing process;
S4, the wave needed for wave making system formation test utilized in deep-water basin, start servomotor, servomotor drives belt movement, the model sport of belt drive marine riser, now data acquisition device gathers the data on three component instrument, foil gauge and fiber-optic grating sensor, and data are passed to computing machine, when slide block A moves to after Trolley case, close servomotor immediately and stop making ripple to realize stopping data collection;
S5, the length passing through change marine riser model, marine riser model surface buoyant mass
configurationmode, marine riser model bottom hang the speed of counterweight weight, wave parameter, servomotor, repeat step S1, S2, S3 and S4, under can simulating the configuration of marine riser in different buoyant mass of different length, different marine environment and different platform movement velocity, under different subsea blow out preventer weight, deepwater drilling platform hard hangs marine riser and keeps away platform mechanical characteristic and the hard STRESS VARIATION hanging riser top.
The present invention has the following advantages: simulation deepwater drilling platform hard that the present invention can be true and reliable hangs that platform operating mode kept away by marine riser, highly versatile, test findings are reliable and stable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of horizontal mobile mechanism of the present invention;
Fig. 3 is the mounting structure schematic diagram of marine riser model of the present invention;
Fig. 4 is the I portion zoomed-in view of Fig. 3;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the II portion zoomed-in view of Fig. 3;
Fig. 7 is the III portion zoomed-in view of Fig. 3;
Fig. 8 is the A-A cross sectional view of Fig. 7;
Fig. 9 is the scheme of installation of marine riser model of the present invention and four fiber-optic grating sensors;
In figure, 1-deep-water basin, 2-horizontal mobile mechanism, 3-crossbeam, 4-Trolley case, 5-belt, 6-slide block A, 7-cylindrical linear rail, 8-slide block B, 9-L shape steel plate, 10-expansion sleeve, 11-lock-screw, 12-marine riser model pipe nipple, 13-marine riser model, 14-tri-component instrument, 15-pagoda joint I, 16-pagoda joint II, 17-foil gauge, 18-counterweight, 19-buoyant mass, 20-fiber-optic grating sensor, 21-computing machine, 22-data acquisition device, 23-control box, 24-support A, 25-support B, 26-ring flange I, 27-ring flange II, 28-servomotor.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described, and protection scope of the present invention is not limited to the following stated:
As Figure 1-5, a kind of deepwater drilling platform hard hangs marine riser and keeps away platform mechanical behavior simulation test device, it comprises the deep-water basin 1 with wave making system, horizontal mobile mechanism 2, described horizontal mobile mechanism 2 is arranged on the top of deep-water basin 1, horizontal mobile mechanism 2 is by crossbeam 3, be arranged on Trolley case 4 and the servomotor 28 of crossbeam 3 both sides, the belt pulley and the belt 5 that are arranged on servomotor 28 output terminal form, the both sides of crossbeam 3 are respectively arranged with support A24 and support B25, support A24 and support B25 is arranged on the both sides of deep-water basin 1, roller in Trolley case 4 and be provided with belt 5 between belt pulley, belt 5 is provided with slide block A6, by computing machine to control box 23 signal transmission to control the rotating speed of servomotor 28, and then control the rotating speed of belt 5, belt 5 drives again marine riser model 13 to move, the motion in the seawater of final analog platform.
As Figure 1-5, slide block A6 is fixed with the cylindrical linear rail 7 of vertical setting, cylindrical linear rail 7 is provided with slide block B 8, slide block B 8 can do moving up or down along cylindrical linear rail 7 under the effect of buoyant mass 19, the end face of slide block B 8 is provided with L-type steel plate 9, L-type steel plate 9 is for simulating drilling platform, the vertical panel of L-type steel plate 9 is fixed in slide block B 8 through screw, the leveling board of L-type steel plate 9 is provided with expansion sleeve 10, the circumferencial direction of expansion sleeve 10 is provided with multiple lock-screw 11.
As Fig. 1, 6, 7, shown in 8, it also comprises marine riser model pipe nipple 12, marine riser model 13 and three component instrument 14, three described component instrument 14 upper, lower end is respectively arranged with pagoda joint I15 and pagoda joint II16, marine riser model 13 and all vertical setting of marine riser model pipe nipple 12, pagoda joint I15 is inserted into the bottom of marine riser model pipe nipple 12, the top of marine riser model pipe nipple 12 is inserted in expansion sleeve 10, multiple foil gauge 17 has been compressed between expansion sleeve 10 and marine riser model pipe nipple 12, foil gauge 17 is for measuring retaining part mechanical characteristic in process of the test.Pagoda joint II16 is inserted into the top of marine riser model 13, and the bottom of marine riser model 13 is provided with counterweight 18, and can need adjustment counterweight 18 weight according to test, counterweight 18 is in order to the weight of simulated sea bottom preventer.
As shown in Fig. 1,6,7,8,9, the outer wall of marine riser model 13 is arranged
haveaccording to the buoyant mass of experimental designs
19, the arrangement of buoyant mass 19 regulates according to marine riser model 13 and experimental designs, can need to be arranged on marine riser model 13 according to test in process of the test, enters to have the coverage mode such as 25%, 50%, 75%, 100%.On the cylinder of described marine riser model 13 and the circumferencial direction being positioned at marine riser model 13 is equidistantly distributed with fiber-optic grating sensor 20.By regulating the tightness of lock-screw 11 on expansion sleeve 10 can clamp the clamping degree of marine riser model pipe nipple 12, state when firmly hanging marine riser with analog platform.The material of marine riser model pipe nipple 12 and marine riser model 13 can be PVC material also can be steel, can design according to deep-water basin 1 depth of water and testing requirements.
As shown in Figure 1, control box 23, data acquisition device 22 that it also comprises computing machine 21 and is connected with computing machine 21, described control box 23 is connected with servomotor 28, and data acquisition device 22 is connected with foil gauge 17, three component instrument 14 and fiber-optic grating sensor 20.
As shown in Figure 6, the upper end of three component instrument 14 is connected with pagoda joint I15 through ring flange I26, and the lower end of three described component instrument 14 connects through the pagoda joint II16 of ring flange II27.
Deepwater drilling platform hard hangs the simulation experiment method that platform mechanical behavior kept away by marine riser, and it comprises the following steps:
The marine riser model 13 of S1, selection certain length, and arrange the configuration of buoyant mass 19 thereon, marine riser model 13 is hung in deep-water basin 1;
S2, weight according to subsea blow out preventer, reduce according to similarity theory, at marine riser model 13 bottom hung counterweight 18;
S3, the data on three component instrument 14, foil gauge 17 and fiber-optic grating sensor 20 are carried out to clearing process;
S4, the wave needed for wave making system formation test utilized in deep-water basin 1, start servomotor 28, servomotor 28 drives belt 5 to move, belt 5 drives marine riser model 13 to move, now data acquisition device 22 gathers the data on three component instrument 14, foil gauge 17 and fiber-optic grating sensor 20, and data are passed to computing machine 21, when slide block A6 moves to after Trolley case 4, close servomotor 28 immediately and stop making ripple to realize stopping data collection;
S5, the length passing through change marine riser model 13, the surperficial buoyant mass 19 of marine riser model 13
joinput the speed of mode, marine riser model 13 bottom hung counterweight 18 weight, wave parameter, servomotor 28, repeat step S1, S2, S3 and S4, under can simulating the configuration of marine riser in different buoyant mass of different length, different marine environment and different platform movement velocity, under different subsea blow out preventer weight, deepwater drilling platform hard hangs marine riser and keeps away platform mechanical characteristic and the hard STRESS VARIATION hanging riser top.
Claims (4)
1. a deepwater drilling platform hard hangs marine riser and keeps away platform mechanical behavior simulation test device, it is characterized in that: it comprises the deep-water basin (1) with wave making system, horizontal mobile mechanism (2), described horizontal mobile mechanism (2) is arranged on the top of deep-water basin (1), horizontal mobile mechanism (2) is by crossbeam (3), be arranged on Trolley case (4) and the servomotor (28) of crossbeam (3) both sides, be arranged on belt pulley and belt (5) composition of servomotor (28) output terminal, roller in Trolley case (4) and be provided with belt (5) between belt pulley, (5) are provided with slide block A(6 with belt), slide block A(6) on be fixed with the cylindrical linear rail (7) of vertical setting, cylindrical linear rail (7) is installed slide block B (8), the end face of slide block B (8) is provided with L-type steel plate (9), the vertical panel of L-type steel plate (9) is fixed in slide block B (8) through screw, the leveling board of L-type steel plate (9) is provided with expansion sleeve (10), the circumferencial direction of expansion sleeve (10) is provided with multiple lock-screw (11),
It also comprises marine riser model pipe nipple (12), marine riser model (13) and three component instrument (14), three described component instrument (14) upper, lower end is respectively arranged with pagoda joint I(15) and pagoda joint II(16), marine riser model (13) and all vertical setting of marine riser model pipe nipple (12), pagoda joint I(15) be inserted into the bottom of marine riser model pipe nipple (12), the top of marine riser model pipe nipple (12) is inserted in expansion sleeve (10), multiple foil gauge (17) has been compressed between expansion sleeve (10) and marine riser model pipe nipple (12), pagoda joint II(16) be inserted into the top of marine riser model (13), the bottom of marine riser model (13) is provided with counterweight (18), the outer wall of marine riser model (13) is furnished with the buoyant mass (19) according to experimental designs, on the cylinder of marine riser model (13) and the circumferencial direction being positioned at marine riser model (13) is equidistantly distributed with fiber-optic grating sensor (20),
Control box (23), data acquisition device (22) that it also comprises computing machine (21) and is connected with computing machine (21), described control box (23) is connected with servomotor (28), and data acquisition device (22) is connected with foil gauge (17), three component instrument (14) and fiber-optic grating sensor (20).
2. a kind of deepwater drilling platform hard according to claim 1 hangs marine riser and keeps away platform mechanical behavior simulation test device, it is characterized in that: the both sides of described crossbeam (3) are respectively arranged with support A(24) and support B(25), support A(24) and support B(25) be arranged on the both sides of deep-water basin (1).
3. a kind of deepwater drilling platform hard according to claim 1 hangs marine riser and keeps away platform mechanical behavior simulation test device, it is characterized in that: the upper end of three described component instrument (14) is through ring flange I(26) with pagoda joint I(15) be connected, the lower end of three described component instrument (14) is through ring flange II(27) pagoda joint II(16) connect.
4. deepwater drilling platform hard hangs the simulation experiment method that platform mechanical behavior kept away by marine riser, it is characterized in that: it comprises the following steps:
The marine riser model (13) of S1, selection certain length, and arrange the configuration of buoyant mass (19) thereon, marine riser model (13) is hung in deep-water basin (1);
S2, weight according to subsea blow out preventer, reduce according to similarity theory, at marine riser model (13) bottom hung counterweight (18);
S3, the data on three component instrument (14), foil gauge (17) and fiber-optic grating sensor (20) are carried out to clearing process;
S4, the wave needed for wave making system formation test utilized in deep-water basin (1), start servomotor (28), servomotor (28) drives belt (5) motion, belt (5) drives marine riser model (13) motion, now data acquisition device (22) gathers the data on three component instrument (14), foil gauge (17) and fiber-optic grating sensor (20), and data are passed to computing machine (21), as slide block A(6) move to after Trolley case (4), close servomotor (28) immediately and stop making ripple to realize stopping data collection;
S5, by changing the speed of the length of marine riser model (13), the configuration mode of the surperficial buoyant mass 19 of marine riser model (13), marine riser model (13) bottom hung counterweight (18) weight, wave parameter, servomotor (28), repeat step S1, S2, S3 and S4, under can simulating the configuration of marine riser in different buoyant mass of different length, different marine environment and different platform movement velocity, under different subsea blow out preventer weight, deepwater drilling platform hard hangs marine riser and keeps away platform mechanical characteristic and the hard STRESS VARIATION hanging riser top.
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| CN111188597B (en) * | 2019-12-31 | 2022-03-15 | 中国海洋石油集团有限公司 | Safety monitoring system and method for marine riser in soft suspension state |
| CN112697666B (en) * | 2020-12-25 | 2023-04-18 | 安徽省碧水电子技术有限公司 | Water body heavy metal detector and detection method thereof |
| CN112697666A (en) * | 2020-12-25 | 2021-04-23 | 环必静(苏州)环境科技有限公司 | Water body heavy metal detector and detection method thereof |
| CN114517654A (en) * | 2021-12-27 | 2022-05-20 | 深圳市百勤石油技术有限公司 | Simulation operation experiment system suitable for gas production tree of natural gas hydrate well head |
| CN115822575A (en) * | 2022-11-04 | 2023-03-21 | 中国地质科学院勘探技术研究所 | Drill string dynamics analysis test stand without marine riser |
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