WO2017048055A1 - 유동감쇄구조체를 포함하는 해양구조물 - Google Patents
유동감쇄구조체를 포함하는 해양구조물 Download PDFInfo
- Publication number
- WO2017048055A1 WO2017048055A1 PCT/KR2016/010341 KR2016010341W WO2017048055A1 WO 2017048055 A1 WO2017048055 A1 WO 2017048055A1 KR 2016010341 W KR2016010341 W KR 2016010341W WO 2017048055 A1 WO2017048055 A1 WO 2017048055A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- door pool
- space
- damping
- damping member
- flow
- Prior art date
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/32—Other means for varying the inherent hydrodynamic characteristics of hulls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B3/00—Hulls characterised by their structure or component parts
- B63B3/14—Hull parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
Definitions
- the present invention relates to an offshore structure including a flow attenuating structure, and more particularly, to prevent the seawater flowing into the offshore structure from overflowing to the deck, and the resistance of the offshore structure to the operation of the offshore structure due to the door pool while the offshore structure is in operation.
- the present invention relates to an offshore structure including a flow damping structure that can be reduced.
- a drilling vessel is an equipment for digging crude oil or gas in the ocean, and it is possible to collect crude oil or gas in a deep sea region or a sea with severe waves where it is impossible to install an offshore platform.
- the drilling line has a MOONPOOL formed with an opening in the center to send the pipe for drilling down to the bottom of the seabed.
- the deck around the door (DECK) is equipped with drilling devices.
- the seawater may generate resonance in the door pool and overflow into the deck. Therefore, there is a fear that the device installed on the deck around the door pool is broken or damaged due to the impact pressure of the seawater.
- the prior document forms a flow of sea water at the bottom of the block to prevent the flow of sea water into the inside of the door pool, including a perturbation control deck. By suppressing the flow of seawater introduced into the door pool can reduce the resistance caused by the door pool.
- the problem to be solved by the present invention is to provide an offshore structure including a flow attenuating structure that can prevent the seawater flowing into the moon pool overflow into the deck of the offshore structure.
- Marine structure for solving the above problems, the hull formed hull; And a flow attenuation structure that attenuates flow in the door pool, wherein the flow attenuation structure protrudes from the bottom of the marine structure into the door pool to divide the inside of the door pool into a first space and a second space. It includes a damping member.
- the first space is formed at the stern side of the marine structure
- the second space is formed at the bow side of the marine structure
- the length of the second space is longer than the length of the first space
- the first damping member has a height lower than that of the door pool, and an offset space in which the seawater flowing from the first space and the second space cancels each other is formed at an upper portion of the first damping member.
- the first damping member has one surface in contact with the first space inclined, and the other surface in contact with the second space is parallel to the inner surface of the door pool.
- the first damping member is closer to the other surface as the one surface goes from the top surface to the bottom surface.
- It further includes a guide member protruding from the deck of the marine structure into the door pool, and guides the flow direction of the seawater so that the seawater flowing into the first space flows into the offset space.
- the guide member is formed to be inclined upward from the inner surface of the door pool toward the end of the door pool.
- a second damping member protruding from the bottom of the marine structure into the door pool and spaced apart from the first damping member to divide the second space into a first subspace and the second subspace.
- the first subspace is disposed between the first space and the second subspace, and the length of the first subspace is longer than the length of the second space and longer than the length of the second subspace.
- the flow damping structure further includes a rear inclined plate disposed on an upper side of the first attenuating member and inclined downward in a forward direction, and a front inclined plate disposed on an upper side of the second attenuating member inclined downward.
- the rear guide plate protruding forward from the rear side wall of the door pool, and between the water surface inside the door pool and the second damping member, the front side wall of the door pool Further comprises a front guide plate projecting rearwardly.
- the flow damping structure is disposed on the upper side of the second damping member, is located between the front inclined plate inclined downward downward, the water surface inside the door pool and the second damping member, and protrudes rearward from the front side wall of the door pool.
- the rear guide plate protruding forward from the rear side wall of the door pool, and between the water surface inside the door pool and the rear guide plate, It further comprises a baffle plate protruding from the rear sidewall of the door pool.
- Marine structure for solving the above problems, the hull formed hull; And a flow attenuating structure that attenuates flow in the door pool, wherein the flow attenuating structure is disposed above the first attenuating member and the second attenuating member and spaced apart from each other, and is disposed at an upper side of the second attenuating member.
- a second baffle plate protruding forward from the side wall, wherein the second damping member is disposed in contact with the front sidewall of the facing door pool, and the first damping member is disposed in contact with the rear sidewall of the facing door pool.
- the opening space of the door pool is divided into a plurality of spaces by a first damping member coupled to the door pool, and the seawater introduced into the plurality of spaces is in the door pool. Can cancel each other out.
- FIG. 1 is a view showing a marine structure having a flow damping structure according to an embodiment of the present invention
- Figure 2 is an enlarged perspective view of the flow damping structure of Figure 1;
- FIG. 3 is a cross-sectional view of the flow damping structure of FIG.
- FIG. 4 is a view showing the size of the flow damping structure of Figure 1;
- FIG. 5 is a graph showing the height of the waves in the pool of the oceanic structure with a flow damping structure according to an embodiment of the present invention
- FIG. 6 is a cross-sectional view showing an offshore structure according to another embodiment of the present invention.
- FIG. 7 is a view showing a guide member of the offshore structure according to another embodiment of the present invention.
- FIG. 8 is a schematic illustration of a portion of an offshore structure in accordance with another embodiment of the present invention.
- FIG. 9 is a view showing an experimental example of the flow damping structure of FIG.
- FIG. 10 is a view showing a comparative example of FIG. 9;
- FIG. 11 is a view showing an offshore structure according to another embodiment of the present invention.
- FIG. 12 is a view showing an experimental example of the flow damping structure of FIG.
- FIG. 14 is a view showing an experimental example of the flow damping structure of FIG. 13.
- FIG. 1 is a marine structure having a flow damping structure according to an embodiment of the present invention
- Figure 2 is an enlarged perspective view of the flow damping structure of FIG.
- the door pool 100 may penetrate the marine structure 50.
- Various equipment for drilling may be installed in the deck around the door pool 100, and pipes for drilling may extend to the sea floor through the door pool 100.
- the offshore structure provided with a flow damping structure includes a first damping member (200).
- the first damping member 200 is installed in the door pool 100 penetrating the offshore structure 50, and the offshore structure 100 is divided into the first space 110 and the second space 120. It may be formed to protrude into the door pool 100 from the bottom of the 50.
- Seawater may flow into the opening space of the moon pool 100 from the bottom of the marine structure (50). Accordingly, seawater may flow from the bottom surface 80 of the marine structure 50 into the first space 110 and the second space 120 of the moon pool 100, respectively.
- first space 110 may be formed at the stern 70 of the offshore structure 50
- second space 120 may be formed at the bow 60 side of the offshore structure 50.
- the first damping member 200 may be coupled to the door pool 100 so as to intersect with the flow direction of the seawater.
- the seawater flowing into the second space 120 and the first space 110 from the bottom surface 80 of the marine structure 50 is the marine structure 50 in the moon pool 100. It can flow in the direction of the stern 70 from the bow (60) of the).
- seawater may be introduced into the first space 110 and the second space 120 by waves.
- the first damping member 200 has a height lower than that of the door pool 100, and the seawater introduced from the first space 110 and the second space 120 cancels each other on the upper portion of the first damping member 200.
- the offset space 130 may be formed.
- the first attenuating member 200, the seawater introduced into the first space 110 and the seawater introduced into the second space 120 to offset each other in the offset space 130 Can be formed.
- the first attenuation member 200 is formed such that one surface 230 in contact with the first space 110 is inclined, and the other surface 240 in contact with the second space 120 is a door glue. It may be parallel to the inner side of (100).
- the seawater introduced into the first space 110 along the one surface 230 of the first damping member 200 and the seawater introduced into the second space 120 along the other surface 240 may have different flow directions.
- the inclined one surface 230 of the first attenuating member 200 may be closer to the other surface 240 from the top surface 210 toward the bottom surface 220. Accordingly, the seawater introduced into the first space 110 is moved toward the inner surface of the door pool 100 along one surface 230 of the first damping member 200, and then hits the inner surface of the door pool 100. It may flow toward the offset space 130.
- seawater introduced into the second space 120 along the other surface 240 of the first damping member 200 may flow from the second space 120 to the offset space 130.
- the seawater introduced into the first space 110 and the seawater introduced into the second space 120 flow into the offset space 130 in different directions and are offset from each other in the offset space 130 so that the deck around the door pool 100 ( D) may not overflow the seawater.
- the equipment installed in the deck D can be prevented from being damaged by the impact pressure of seawater.
- the operational efficiency of the offshore structure 50 can be improved.
- the height and length of the first damping member 200 may vary depending on the size of the equipment or offshore structure 50 to be installed in the offshore structure 50.
- various equipment may be installed on the upper portion of the first attenuating member 200 according to the work proceeding in the door pool 100.
- the first space 110 is formed smaller than the second space 120 so that the first attenuating member 200 is provided closer to the inner side of the door pool 100 forming the first space 110.
- Equipment may be easily installed on top of the member 200.
- the riser pipe for drilling may be extended to the seabed through the second space 120.
- the height h2 of the first damping member 200 may be in a range of 20% to 80% of the height of the door pool h1, and one surface of the first damping member 200 from an inner side surface of the door pool 100.
- the length L1 to 230 may range from 30% to 70% of the length L2 from the inner surface of the door pool 100 to the other surface 240 of the first damping member 200.
- the first damping member 200 has a length (L2) from the inner surface of the door pool 100 to the other surface 240 of the first damping member 200 from the inner surface of the door pool 100 to the first damping member (
- the length L1 up to one surface 230 of the 200 may be formed by the remaining remaining length.
- the length L2 from the inner surface of the door pool 100 to the other surface 240 of the first damping member 200 may occupy 20% to 80% of the length L of the door pool 100.
- one surface 230 of the first damping member 200 may be formed to be inclined so as to guide the movement path of the sea water. Therefore, as shown in FIG. 4, the inclination angle ⁇ 1 of one surface 230 of the first damping member 200 with respect to the top surface 210 of the first damping member 200 may range from 30 degrees to 90 degrees. have.
- the first damping member 200 may be adjusted in size according to the size of the marine structure 50 or the size of the door pool 100 and the drilling equipment to be used.
- FIG. 5 is a graph showing the height of the waves in the door pool of the ship equipped with a flow damping structure according to an embodiment of the present invention.
- the marine structure 50 in which the first damping member 200 is not provided in the door pool 100 is compared with the marine structure 50 in which the first damping member 200 is provided in the door pool 100. .
- the resonance occurs at a specific frequency may overflow over the deck (D) the first damping member In the door pool 100 that is not provided with the 200, the deck (D) may overflow seawater having a maximum height of 2 m (H1).
- the height H2 of the seawater overflowing into the deck D of the marine structure 50 is 0 m, so that the seawater does not overflow to the deck D. have.
- the flow damping structure according to the embodiment of the present invention may be provided with the first damping member 200 in the door pool 100 to prevent the seawater flowing into the door pool 100 from overflowing into the deck D.
- Equipment installed on the deck (D) around the door pool 100 can be prevented from being broken by the impact pressure of the sea water.
- FIG. 6 is a cross-sectional view showing an offshore structure according to another embodiment of the present invention.
- the flow damping structure may include a door pool 100 and a first damping member 200.
- the door pool 100 and the first damping member 200 of the flow damping structure according to another embodiment of the present invention is the door pool 100 of the flow damping structure according to an embodiment of the present invention described above with reference to FIGS. )
- the first attenuating member 200 are the same or substantially similar, so a detailed description thereof will be omitted.
- the flow damping structure may further include a guide member (300).
- the guide member 300 is formed to protrude into the door pool 100 from the deck (D) of the offshore structure 50, the flow direction of the seawater so that the seawater introduced into the first space 110 flows into the offset space (130) Can guide.
- seawater introduced into the first space 110 along the first damping member 200 may flow into the offset space 130 along the guide member 300.
- the guide member 300 may be inclined upward from the inner side of the door pool 100 toward the end of the door pool 100.
- FIG. 7 is a view showing a guide member of the offshore structure according to another embodiment of the present invention.
- the bottom surface 300a of the guide member 300 may form an inclination angle ⁇ 2 of 70 degrees or less with the horizontal surface of the deck D.
- the seawater introduced into the first space 110 flows to the inner surface of the door pool 100 along one surface 230 of the first attenuating member 200 to be the inner surface of the door pool 100. After hitting, it may be introduced into the offset space 130 along the bottom surface 300a of the guide member 300.
- the seawater introduced into the offset space 130 along the guide member 300 may be offset by the seawater introduced into the offset space 130 from the second space 120.
- the flow damping structure in the marine structure includes a first damping member 200.
- the sea water may be offset from each other in the offset space 130 in the door pool 100.
- the equipment installed on the deck around the door pool 100 may be prevented from being damaged due to the impact pressure of the sea water.
- FIG. 8 is a view schematically showing a portion of an offshore structure according to another embodiment of the present invention.
- the right direction is the front (front side) of the offshore structure (eg, the drilling line) 1001
- the left direction is the rear (stern side) of the offshore structure 1001.
- the marine structure 1001 includes a hull 1010 and a flow damping structure 1100.
- a door pool 1020 is formed in the hull 1010.
- the door pool 1020 is an opening for lowering the drilling pipe (not shown) down the hull 1010 and is formed by penetrating the hull 1010 in the vertical direction.
- the flow damping structure 1100 attenuates the flow inside the door pool 1020.
- the flow damping structure 1100 may include a second damping member 1110 and a first damping member 1120.
- the second damping member 1110 is positioned below the surface of the water in the door pool 1020 and is disposed at the front part (ie, toward the bow) of the door pool 1020.
- the first attenuating member 1120 is positioned below the surface of the water in the door pool 1020 and disposed at a rear portion (ie, toward the stern) inside the door pool 1020.
- the second damping member 1110 and the first damping member 1120 effectively attenuate the vertical movement of water in the door pool 1020.
- the second damping member 1110 and the first damping member 1120 attenuate the vertical motion of the water by converting a part of the vertical motion energy of the water in the door pool 1020 into horizontal kinetic energy.
- the second damping member 1110 and the first damping member 1120 are spaced apart from each other, and a space between the second damping member 1110 and the first damping member 1120 (hereinafter, referred to as a first subspace 1031). Down the drilling pipe).
- the second damping member 1110 is disposed to be spaced apart from the front sidewall of the facing door pool 1020.
- the first damping member 1120 is spaced apart from the rear sidewall of the door pool 1020.
- a space (hereinafter referred to as a second subspace 1032) is formed between the second damping member 1110 and the front sidewall of the door pool 1020, and a space between the first damping member 1120 and the rear sidewall. (Hereinafter referred to as first space 1033) is formed.
- the vertical movement of water introduced into the door pool 1020 through the first subspace 1031, the second subspace 1032, and the first space 1033 may be performed by the second attenuating member 1110 and the first attenuation.
- the member 1120 converts the direction of flow into horizontal motion, and in this process, horizontal motions of water may overlap each other and be attenuated.
- the flow damping structure 1100 may further include a front inclined plate 1130 and a rear inclined plate 1140.
- the front inclined plate 1130 is disposed above the second damping member 1110 and inclined downward in the rear direction.
- the rear inclined plate 1140 is disposed above the first attenuating member 1120 and disposed to be inclined downward in the forward direction.
- the front inclined plate 1130 and the rear inclined plate 1140 attenuate surface waves inside the door pool 1020.
- the flow damping structure 1100 may further include a front guide plate 1150 and a rear guide plate 1160.
- the front guide plate 1150 is positioned between the water surface inside the door pool 1020 and the second damping member 1110 and protrudes rearward from the front sidewall of the door pool 1020.
- the rear guide plate 1160 is positioned between the water surface inside the door pool 1020 and the first damping member 1120 and protrudes forward from the rear sidewall of the door pool 1020.
- the front guide plate 1150 and the rear guide plate 1160 guide the water rising through the second partial space 1032 and the first space 1033 in the horizontal direction. Accordingly, the vertical motion of the water inside the moon pool 1020 is attenuated.
- the flow damping structure 1100 may further include an inclined block 1170.
- the inclined block 1170 is disposed on the front side of the first attenuating member 1120, and a shear surface inclined upward toward the front inclined plate 1130 is formed.
- the inclined block 1170 redirects the water introduced into the door pool 1020 to the front inclined plate 1130, and the surface wave generated in the direction change process is couched in the front inclined plate 1130.
- FIG. 9 is a view showing an experimental example of the flow damping structure of Figure 8
- Figure 10 is a view showing a comparative example to the experimental example of FIG.
- the horizontal axis represents the vertical motion frequency of the water in the door pool
- the vertical axis represents the height of the water surface in the central part of the door pool.
- the comparative example of FIG. 10 shows the case where the inside of a door pool is empty.
- the experimental results of FIGS. 9 and 10 may be derived through model experiments, but are not limited thereto.
- the flow damping structure 1200 includes a second damping member 1210, a first damping member 1220, a front inclined plate 1230, a front guide plate 1250, a rear guide plate 1260, and a baffle. Plate 1270.
- the second damping member 1210, the first damping member 1220, the front inclined plate 1230, the front guide plate 1250, and the rear guide plate 1260 may include the second attenuating member 1110 and the first guide member 1260. 1 The same as the damping member 1120, the front inclined plate 1130, the front guide plate 1150, the rear guide plate 1160 will be omitted.
- the baffle plate 1270 attenuates surface waves inside the moon pool 1020.
- FIG. 12 is a diagram illustrating an experimental example of the flow damping structure of FIG. 11.
- a comparative example of the experimental example of FIG. 12 is the same as that of FIG. 10.
- the flow damping structure 1300 includes a second damping member 1310, a first damping member 1320, a front inclined plate 1330, a first baffle plate 1371, and a second baffle plate 1372. It includes.
- the second damping member 1310 is disposed in contact with the front side wall of the door pool 1020 facing each other.
- the first damping member 1320 is disposed in contact with the rear sidewall of the door pool 1020. In this case, the second partial space 1032 and the first space 1033 of FIG. 8 disappear.
- the front inclined plate 1330 is disposed above the second attenuating member 1310 and is inclined backward.
- the front inclined plate 1330 attenuates surface waves inside the door pool 1020.
- the first baffle plate 1372 is positioned between the water surface inside the door pool 1020 and the first damping member 1320, and is led forward from the rear sidewall of the door pool 1020.
- the first baffle plate 1371 prevents sloshing inside the door pool 1020.
- the second baffle plate 1372 is positioned on the water surface inside the door pool 1020 and protrudes forward from the rear sidewall of the door pool 1020.
- the second baffle plate 1372 prevents sloshing inside the door pool 1020.
- FIG. 14 is a view showing an experimental example of the flow damping structure of FIG. 13.
- a comparative example of the experimental example of FIG. 14 is the same as that of FIG. 10.
- first damping member 210 upper surface
- H1 Height when there is no first damping member
- H2 Height when there is no first damping member
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Revetment (AREA)
Abstract
Description
Claims (14)
- 문풀이 형성된 선체; 및상기 문풀 내부의 유동을 감쇠시키는 유동감쇄구조체를 포함하되,상기 유동감쇄구조체는상기 해양구조물의 저부로부터 상기 문풀 내부로 돌출 형성되어, 상기 문풀 내부를 제1 공간 및 제2 공간으로 나누는 제1 감쇄부재를 포함하는 해양구조물.
- 제1항에 있어서,상기 제1 공간은 상기 해양구조물의 선미쪽에 형성되며, 상기 제2 공간은 상기 해양구조물의 선수쪽에 형성되고,상기 제2 공간의 길이는 상기 제1 공간의 길이보다 긴 해양구조물.
- 제1항에 있어서,상기 제1 감쇄부재는 상기 문풀보다 높이가 낮으며, 상기 제1 감쇄부재의 상부에는 상기 제1 공간 및 상기 제2 공간으로부터 유입되는 해수가 서로 상쇄되는 상쇄공간이 형성되는 해양구조물.
- 제1항에 있어서,상기 제1 감쇄부재는,상기 제1 공간과 맞닿는 일면은 경사지게 형성되며, 상기 제2 공간과 맞닿는 타면은 상기 문풀의 내측면과 평행한 해양구조물.
- 제4항에 있어서,상기 제1 감쇄부재는,상기 일면이 윗면으로부터 저면으로 갈수록 상기 타면과의 거리가 가까워지는 해양구조물.
- 제3항에 있어서,상기 해양구조물의 데크로부터 상기 문풀 내부로 돌출 형성되며, 상기 제1 공간으로 유입된 해수가 상기 상쇄공간으로 유동되도록 해수의 유동방향을 가이드하는 가이드부재를 더 포함하는 해양구조물.
- 제6항에 있어서,상기 가이드부재는,상기 문풀의 내측면으로부터 상기 문풀의 끝단으로 갈수록 위를 향해 경사지게 형성되는 해양구조물.
- 제1항에 있어서,상기 해양구조물의 저부로부터 상기 문풀 내부로 돌출 형성되고, 상기 제1 감쇄부재와 이격되어 형성되어, 상기 제2 공간을 제1 부분공간과 상기 제2 부분공간으로 나누는 제2 감쇄부재를 더 포함하는 해양구조물.
- 제 8항에 있어서,상기 제1 부분공간은 상기 제1 공간과 상기 제2 부분공간 사이에 배치되고,상기 제1 부분공간의 길이는, 상기 제2 공간의 길이보다 길고, 상기 제2 부분공간의 길이보다 긴 해양구조물.
- 제 8항에 있어서,상기 유동감쇄구조체는상기 제1 감쇄부재의 상측에 배치되고, 전방으로 하향 경사진 후방 경사판과,상기 제2 감쇄부재의 상측에 배치되고, 후방으로 하향 경사진 전방 경사판을 더 포함하는 해양구조물.
- 제 8항 또는 제10항에 있어서,상기 문풀 내부의 수면과 상기 제1 감쇄부재 사이에 위치하고, 상기 문풀의 후방 측벽에서 전방으로 돌출된 후방 가이드 플레이트와,상기 문풀 내부의 수면과 상기 제2 감쇄부재 사이에 위치하고, 상기 문풀의 전방 측벽에서 후방으로 돌출된 전방 가이드 플레이트를 더 포함하는 해양구조물.
- 제8항 또는 제10항에 있어서,상기 제1 감쇄부재의 전방 측부에 배치되고, 상기 전방 경사판을 향해 상향 경사진 전단면이 형성된 경사블록을 더 포함하는 해양구조물.
- 제 9항에 있어서,상기 유동감쇄구조체는,상기 제2 감쇄부재의 상측에 배치되고, 후방으로 하향 경사진 전방 경사판와,상기 문풀 내부의 수면과 상기 제2 감쇄부재 사이에 위치하고, 상기 문풀의 전방 측벽에서 후방으로 돌출된 전방 가이드 플레이트와,상기 문풀 내부의 수면과 상기 제1 감쇄부재 사이에 위치하고, 상기 문풀의 후방 측벽에서 전방으로 돌출된 후방 가이드 플레이트와,상기 문풀 내부의 수면과 상기 후방 가이드 플레이트 사이에 위치하고, 상기 문풀의 후방 측벽에서 돌출된 배플 플레이트를 더 포함하는 해양구조물.
- 문풀이 형성된 선체; 및상기 문풀 내부의 유동을 감쇠시키는 유동감쇄구조체를 포함하되,상기 유동감쇄구조체는,서로 이격되어 배치된 제1 감쇄부재와 제2 감쇄부재와,상기 제2 감쇄부재의 상측에 배치되고, 후방으로 하향 경사진 전방 경사판와,상기 문풀 내부의 수면과 상기 제1 감쇄부재 사이에 위치하고, 상기 문풀의 후방 측벽에서 전방으로 돌출된 제1 배플 플레이트와,상기 문풀 내부의 수면 위에 위치하고, 상기 문풀의 후방 측벽에서 전방으로 돌출된 제2 배플 플레이트를 더 포함하고,상기 제2 감쇄부재는 마주보는 상기 문풀의 전방 측벽과 접하여 배치되고,상기 제1 감쇄부재는 마주보는 상기 문풀의 후방 측벽과 접하여 배치되는 해양구조물.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG11201801972TA SG11201801972TA (en) | 2015-09-15 | 2016-09-13 | Offshore construction comprising flow attenuation structure |
CN201680053603.5A CN108025800B (zh) | 2015-09-15 | 2016-09-13 | 包括流动衰减结构的海上结构 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2015-0130007 | 2015-09-15 | ||
KR1020150130007A KR101762700B1 (ko) | 2015-09-15 | 2015-09-15 | 시추선 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017048055A1 true WO2017048055A1 (ko) | 2017-03-23 |
Family
ID=58289418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2016/010341 WO2017048055A1 (ko) | 2015-09-15 | 2016-09-13 | 유동감쇄구조체를 포함하는 해양구조물 |
Country Status (4)
Country | Link |
---|---|
KR (1) | KR101762700B1 (ko) |
CN (1) | CN108025800B (ko) |
SG (1) | SG11201801972TA (ko) |
WO (1) | WO2017048055A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108502097B (zh) * | 2018-05-24 | 2023-06-30 | 江苏科技大学 | 一种可开闭月池挡板装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003072672A (ja) * | 2001-09-05 | 2003-03-12 | Mitsubishi Heavy Ind Ltd | 船舶の海水取入部構造 |
JP2005199938A (ja) * | 2004-01-16 | 2005-07-28 | Mitsubishi Heavy Ind Ltd | ムーンプール付き浮体構造物 |
KR20100004790U (ko) * | 2008-10-30 | 2010-05-11 | 대우조선해양 주식회사 | 문풀에 설치되는 유동 억제 장치 및 상기 유동 억제 장치를갖는 선박 |
KR20110027404A (ko) * | 2009-09-10 | 2011-03-16 | 삼성중공업 주식회사 | 부유식 해상구조물 |
KR20110042701A (ko) * | 2009-10-20 | 2011-04-27 | 대우조선해양 주식회사 | 해수유동 자가억제 장치를 구비한 문풀 |
KR20130066019A (ko) * | 2011-12-12 | 2013-06-20 | 현대중공업 주식회사 | 드릴쉽 문풀내 해수유동 저감장치 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101159196B1 (ko) * | 2008-10-27 | 2012-06-25 | 삼성중공업 주식회사 | 문풀 및 이를 구비한 시추선 |
KR20110068486A (ko) | 2009-12-16 | 2011-06-22 | 삼성중공업 주식회사 | 시추선 |
KR101780978B1 (ko) * | 2011-06-02 | 2017-09-26 | 현대중공업 주식회사 | 인입형 유동안정화부로 유입되는 전류(upstream)를 제어하기 위한 열린 공동(open cavity)을 구비한 드릴쉽 |
KR101259718B1 (ko) * | 2011-06-14 | 2013-04-30 | 현대중공업 주식회사 | 복합형 문풀 저항 저감 구조를 갖는 드릴쉽 |
KR101516207B1 (ko) * | 2013-11-29 | 2015-05-04 | 삼성중공업 주식회사 | 마우스홀 충격저감장치 |
-
2015
- 2015-09-15 KR KR1020150130007A patent/KR101762700B1/ko active IP Right Grant
-
2016
- 2016-09-13 CN CN201680053603.5A patent/CN108025800B/zh not_active Expired - Fee Related
- 2016-09-13 WO PCT/KR2016/010341 patent/WO2017048055A1/ko active Application Filing
- 2016-09-13 SG SG11201801972TA patent/SG11201801972TA/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003072672A (ja) * | 2001-09-05 | 2003-03-12 | Mitsubishi Heavy Ind Ltd | 船舶の海水取入部構造 |
JP2005199938A (ja) * | 2004-01-16 | 2005-07-28 | Mitsubishi Heavy Ind Ltd | ムーンプール付き浮体構造物 |
KR20100004790U (ko) * | 2008-10-30 | 2010-05-11 | 대우조선해양 주식회사 | 문풀에 설치되는 유동 억제 장치 및 상기 유동 억제 장치를갖는 선박 |
KR20110027404A (ko) * | 2009-09-10 | 2011-03-16 | 삼성중공업 주식회사 | 부유식 해상구조물 |
KR20110042701A (ko) * | 2009-10-20 | 2011-04-27 | 대우조선해양 주식회사 | 해수유동 자가억제 장치를 구비한 문풀 |
KR20130066019A (ko) * | 2011-12-12 | 2013-06-20 | 현대중공업 주식회사 | 드릴쉽 문풀내 해수유동 저감장치 |
Also Published As
Publication number | Publication date |
---|---|
KR101762700B1 (ko) | 2017-07-28 |
CN108025800A (zh) | 2018-05-11 |
CN108025800B (zh) | 2020-06-23 |
KR20170032548A (ko) | 2017-03-23 |
SG11201801972TA (en) | 2018-04-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2011099827A2 (ko) | 콘크리트 부유체 및 이를 이용한 부유조립체 | |
WO2012087033A1 (ko) | 수중 이동 장치 및 그의 이동 방법 | |
WO2009110752A2 (ko) | 오일 유출 방지장치 | |
WO2017048055A1 (ko) | 유동감쇄구조체를 포함하는 해양구조물 | |
WO2014157999A1 (ko) | 캐니스터식 스러스터 및 이의 설치방법 | |
WO2013051915A1 (ko) | 기진력 저감형 선박 | |
WO2014014149A1 (ko) | 문풀 내 인입형 유동안정화부가 형성된 와류억제용 블록을 구비한 드릴쉽 | |
KR101399991B1 (ko) | 다중 라이저 핸들링 시스템 및 이를 포함한 시추선 | |
WO2016159588A1 (ko) | 관 일체형 유정유체 또는 유전유체 분리장치 및 그 방법 | |
WO2012043966A1 (ko) | 상하이동 가능한 선박용 플로어 장치 | |
WO2012060528A1 (ko) | 밀폐형 데릭의 댐퍼구조 | |
KR20140139148A (ko) | 잠수함 내 무인잠수정의 원격조종을 위한 운용장치 | |
KR101732353B1 (ko) | 문풀 내부 유동 감쇄구조체 | |
WO2024080434A1 (ko) | 해상시설물 연결용 해저케이블 보호구 모듈 및 해상시설물 연결용 해저케이블 설치방법 | |
KR102652581B1 (ko) | 드릴쉽 | |
KR101588845B1 (ko) | 해저 장비 공진 방지 장치 및 이를 이용한 해저 장비 설치 방법 | |
KR101086369B1 (ko) | 파이프 부설 선박 | |
KR101977947B1 (ko) | 드릴쉽의 비오피용 테스트 및 설치 모듈 | |
KR20140062728A (ko) | 문풀 구조 및 이를 가지는 리그 | |
KR101695892B1 (ko) | 문풀 내부 유동억제 장치 및 그 장치를 구비하는 시추 해양구조물 | |
JPH10280854A (ja) | 掘削用ライザー管のハングオフ装置 | |
KR102016375B1 (ko) | 엄빌리컬 호스 제어 장치 | |
WO2017003258A1 (ko) | 선택 부유형 레그드 플랫폼 설비와 이의 건조방법 및 운용방법 | |
KR101835286B1 (ko) | 크레인 겸용 브릿지 및 이를 포함하는 시추선 | |
AU2017320458B2 (en) | Marine installation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 16846876 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 11201801972T Country of ref document: SG |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205N DATED 23/05/2018) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 16846876 Country of ref document: EP Kind code of ref document: A1 |