WO2012060527A1 - 극지용 선박의 밀폐형 데릭구조 - Google Patents
극지용 선박의 밀폐형 데릭구조 Download PDFInfo
- Publication number
- WO2012060527A1 WO2012060527A1 PCT/KR2011/004554 KR2011004554W WO2012060527A1 WO 2012060527 A1 WO2012060527 A1 WO 2012060527A1 KR 2011004554 W KR2011004554 W KR 2011004554W WO 2012060527 A1 WO2012060527 A1 WO 2012060527A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- derrick
- sealed
- crown block
- polar
- derrick structure
- Prior art date
Links
- 238000009434 installation Methods 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims 9
- 238000012423 maintenance Methods 0.000 description 11
- 238000005553 drilling Methods 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/04—Arrangement of ship-based loading or unloading equipment for cargo or passengers of derricks, i.e. employing ships' masts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/32—Arrangements of propulsion power-unit exhaust uptakes; Funnels peculiar to vessels
- B63H21/34—Arrangements of propulsion power-unit exhaust uptakes; Funnels peculiar to vessels having exhaust-gas deflecting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/02—Ventilation; Air-conditioning
-
- 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
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- 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/02—Supports for the drilling machine, e.g. derricks or masts specially adapted for underwater drilling
-
- 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
- B63B35/08—Ice-breakers or other vessels or floating structures for operation in ice-infested waters; Ice-breakers, or other vessels or floating structures having equipment specially adapted therefor
-
- 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
- B63B35/4413—Floating drilling platforms, e.g. carrying water-oil separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/02—Ventilation; Air-conditioning
- B63J2/10—Ventilating-shafts; Air-scoops
Definitions
- the present invention relates to a derrick structure of a polar ship, and more particularly to a sealed derrick structure of a polar ship that provides an installation space of the exhaust unit on top of the sealed derrick.
- a rig ship or a fixed platform exclusively used for subsea drilling which can be sailed only by other tugboats and anchored at one point of the sea using a mooring device, is mainly used.
- the so-called drillships which are equipped with advanced drilling equipment and can sail on their own power, have been developed and used for subsea drilling. Depending on the working conditions that often require shifting locations for small oil field development, these drillships are designed to sail on their own power without tugboats.
- Such rigs, fixed platforms, drillships, etc. have a moon pool in which a riser and a drill pipe move up and down in the center thereof, and a deck where various drilling equipment is concentrated on the deck ( derrick) is installed.
- the present invention relates to a sealed derrick structure of a polar vessel that allows the upper portion of the sealed derrick to form a structure wider toward the upper end to utilize the platform of the crown block in equipment installation, maintenance, repair work.
- polar ships such as polar rigs, polar fixed platforms, and drill drills for drilling natural resources in extreme regions such as the polar regions are being built, and these polar vessels are frozen and frozen in cryogenic environments. Almost all areas can be enclosed areas to prevent backs and ensure smooth equipment operation and crew safety.
- the derrick and the door pool of the polar ship is sealed for the protection of the equipment and the workers therein, such a sealed derrick and the closed door pool may be installed a ventilation system for the protection and ventilation of the interior space.
- the ventilation system is preferably configured to supply heated air into the derrick and the door pool to satisfy the Rules & Regulations, especially in cryogenic regions, and to exhaust the cooled air to the outside of the derrick.
- the upper part of the derrick has a crown block portion is formed therein is a crown block (crown block) is installed, the crown block portion forms a cone shape narrowing toward the upper end, a plurality of exhaust fans may be installed therein.
- One aspect of the present invention for achieving the above object is a sealed derrick structure of the polar vessel, hermetic derrick; A crown block portion formed on an upper portion of the sealed derrick and having a crown block installed therein and an installation work space formed therein; And characterized in that it comprises an exhaust unit is installed in communication with the outside in the installation workspace.
- the crown block portion is wider toward the top, the installation work space is characterized in that the width is formed wider toward the top.
- a pair of inclined surfaces are formed symmetrically on both sides of the crown block so that the circumference of the lower end is shorter than the upper end.
- a pair of inclined surfaces are formed symmetrically on both sides such that the crown block portion has a wider circumference than the lower end thereof.
- a crown block platform for installing the crown block is formed on the bottom surface of the crown block portion.
- the exhaust unit includes an exhaust port communicating with the outside on the side of the crown block, an exhaust fan connected to the inside of the exhaust port, and a first opening / closing valve installed at a downstream side of the exhaust fan to selectively open and close exhaust of internal air. It is characterized by.
- a drill floor in which the sealed derrick is disposed at an upper portion, a sealed door pool in communication with a lower portion of the closed derrick, and a supply unit formed outside the drill floor and supplying external air into the sealed door pool. It is done.
- the supply unit is an inlet for introducing external air, a heater installed adjacent to the inlet, a supply fan connected to the inlet for supplying external air, and installed downstream of the supply fan to selectively open and close the inflow of external air. It characterized in that it comprises a second opening and closing valve.
- a sealed derrick structure of the polar vessel including an exhaust unit is installed inside the upper portion of the sealed derrick.
- the upper part of the sealed derrick is provided with an installation work space that is wider toward the upper side to install the crown block in the installation work space and at the same time to install, maintain and repair the exhaust unit at the top of the hermetic derrick.
- Crown block platform is formed.
- the present invention smoothly flows air from the closed door pool to the top of the closed derrick by supplying external air to the closed door pool side and exhausting it from the top of the closed derrick.
- FIG. 1 is a perspective view showing a sealed derrick structure of a polar vessel according to an embodiment of the present invention.
- Figure 2 is a cross-sectional view showing a sealed derrick structure and a ventilation system installed in the polar vessel according to an embodiment of the present invention.
- 1 and 2 is a view showing a sealed derrick structure of the polar vessel according to an embodiment of the present invention.
- the sealed derrick structure includes a sealed derrick 10 installed in a polar vessel, a sealed door pull 15 connected to the lower portion of the sealed derrick 10.
- the hermetic derrick 10 and the hermetic door pool 15 are connected to communicate with each of the inner spaces 10a and 15a, and the hermetic derrick 10 is disposed above the drill floor 11 of the ship, and the hermetic type The door pool 15 is disposed below the drill floor 11.
- the hermetic derrick 10 is composed of a structure in which the outer wall is sealed, the outer wall may be made of fiberglass reinforced polymer (FRP), stainless sheet (SUS sheet), galvanized structure or sandwich panel (sandwich panel). And the side of the sealed derrick 10 is provided with a closed tunnel (17, 19), the end of each of the closed tunnel (17, 19) is formed an opening through which equipment such as a riser can be formed, the closed tunnel (17, 19) is adjacent to the riser tensioner room (16).
- FRP fiberglass reinforced polymer
- SUS sheet stainless sheet
- galvanized structure or sandwich panel sandwich panel
- a supply unit 40 is installed at an outer side of the hermetic derrick 10 to supply external air from an outer side of the hermetic derrick 10 to an inner space 15a of the hermetic door pool or an inner space 10a of the hermetic derrick. do.
- the supply unit 40 is at least one inlet 41 installed on the outside of the drill floor 11, at least one supply fan 42 connected to the inlet 41, the inlet 41 At least one heater 43 is installed adjacent to the), and the downstream side of the supply fan 42 includes at least one second opening and closing valve 44 for selectively opening and closing the inflow of external air.
- the inlet 41 is installed at the loop 13 side of the riser tensioner room 16, and external air is introduced through the inlet 41.
- the supply fan 42 is connected to the lower portion of the inlet 41 is configured to forcibly blow the outside air into the inner space (15a) of the closed door pool, the outside air forcedly blown by the supply fan 42 Through the supply pipe 45 may be supplied to the inner space (15a) of the closed door pool or the inner space (10a) of the closed derrick.
- the heater 43 heats the outside air introduced through the inlet 41 when the temperature is low in the extreme region (particularly, 0 ° C. or less at a temperature corresponding to winter), and thus the door pool 15 and the derrick ( Air heated in the internal spaces 15a and 10a of 10) may be introduced by the supply fan 42 to safely protect and maintain the internal equipment, the worker, and the working environment from the external extreme environment.
- the second opening and closing valve 44 may be selectively opened and closed to block the flow of air in the event of a fire or emergency, the maintenance of the supply fan 42.
- the air is directed upward from the inner space 15a of the closed door pool to the inner space 10a of the sealed derrick.
- the exhaust unit 30 is installed on the top of the sealed derrick 10.
- the upper portion of the hermetic derrick 10 forms a crown block portion 20, the crown block portion 20 is provided with a crown block (not shown, crown block) therein, the width of the structure toward the top It is configured to form an installation working space 50 therein.
- an inclined surface 21 is provided on at least one side of the crown block portion 20, and an exhaust unit 30 is provided on the inclined surface 21. 1 and 2, a pair of inclined surfaces 21 are symmetrically formed on both sides of the crown block portion 20, and an exhaust unit 30 is installed on each of the inclined surfaces 21. It is desirable to be.
- the installation work space 50 communicates with the inner space 10a of the derrick downward, and the crown block platform 25 is installed to cross the lower side, and the crown block (not shown) on the upper surface of the crown block platform 25. To be installed.
- the installation work space 50 formed therein is widened upwards To form. Accordingly, the installation work space 50 installs and maintains the exhaust unit 30 on the side of the crown block portion 20 by utilizing the crown block platform 25 installed in the installation work space 50. And provide enough space for maintenance work. Therefore, maintenance and repair work of the operator can be carried out effectively and safely.
- the exhaust unit 30 on the top of the sealed derrick 10, the air flow in the sealed derrick 10 and the closed door pool 15 is made very efficient and stable protection of the internal equipment, workers, working environment and Maintenance can be effectively implemented.
- the exhaust unit 30 includes one or more exhaust ports 31 provided on the inclined surface 21 side, and one or more exhaust fans 32 connected to the exhaust ports 31.
- the exhaust fan 32 is installed in the crown block 20, and the exhaust fan 32 is connected to and installed with a first open / close valve 33, and the first open / close valve 33 is in case of fire or emergency.
- the exhaust fan 32 may be selectively opened and closed to block the flow of air during maintenance.
- the present invention utilizes the crown block platform 25 without additional duct installation work as the crown block portion 20 is provided at the upper end of the hermetic derrick 10 so as to be widened upward.
- the present invention smoothly flows air from the sealed door pool 15 to the top of the sealed derrick 10 by supplying external air to the sealed door pool 15 and exhausting it from the top of the sealed derrick 10. Is done. Through this, there is an advantage to more safely protect and maintain the internal equipment, the worker, the working environment in the sealed derrick 10 from the external extreme environment.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ventilation (AREA)
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Abstract
Description
Claims (11)
- 극지용 선박의 밀폐형 데릭구조로서,밀폐형 데릭;상기 밀폐형 데릭의 상부에 형성되어 내부에 크라운 블록(crown block)이 설치됨과 함께 설치작업공간이 형성되는 크라운 블록부; 및상기 설치작업공간에 외부와 소통되게 설치되는 배기유닛을 포함하는 것을 특징으로 하는 극지용 선박의 밀폐형 데릭구조.
- 청구항 1항에 있어서,상기 크라운 블록부는 상단으로 갈수록 폭이 넓어지며,상기 설치작업공간은 상단으로 갈수록 폭이 넓어지게 형성되는 것을 특징으로 하는 극지용 선박의 밀폐형 데릭구조.
- 청구항 1항에 있어서,상기 크라운 블록부는 일측면에 하나 이상의 경사진 경사면을 갖는 것을 특징으로 하는 극지용 선박의 밀폐형 데릭구조.
- 청구항 1항에 있어서,상기 크라운 블록부가 하단에 비해 상단의 둘레가 넓게 형성되도록 양측면에 한 쌍의 경사면이 대칭적으로 형성되는 것을 특징으로 하는 극지용 선박의 밀폐형 데릭구조.
- 청구항 1항에 있어서,상기 크라운 블록부의 저면에는 상기 크라운 블록을 설치하기 위한 크라운 블록 플랫폼이 형성되는 것을 특징으로 하는 극지용 선박의 밀폐형 데릭구조.
- 청구항 1항에 있어서,상기 배기유닛은상기 크라운 블록의 측면에 외부와 소통되는 배기구,상기 배기구의 내측에 연결되는 배기팬 및상기 배기팬의 하류 측에 설치되어 내부공기의 배기를 선택적으로 개폐하는 제1개폐밸브로 이루어지는 것을 특징으로 하는 극지용 선박의 밀폐형 데릭구조.
- 청구항 1항에 있어서,상기 밀폐형 데릭이 상부에 배치되는 드릴플로어,상기 밀폐형 데릭의 하부에 소통되게 연결된 밀폐형 문풀, 및상기 드릴플로어의 외측에 형성되며, 상기 밀폐형 문풀 내로 외부공기를 공급하는 공급유닛을 더 포함하는 것을 특징으로 하는 극지용 선박의 밀폐형 데릭구조.
- 청구항 7항에 있어서,상기 공급유닛은외부공기가 유입되는 유입구,상기 유입구에 인접하여 설치된 히터,상기 유입구에 연결되어 외부공기를 공급하는 공급팬, 및상기 공급팬의 하류 측에 설치되어 외부공기의 유입을 선택적으로 개폐하는 제2개폐밸브를 포함하는 것을 특징으로 하는 극지용 선박의 밀폐형 데릭구조.
- 청구항 8항에 있어서,상기 제2개폐밸브로부터 상기 밀폐형 문풀로 연결되며, 상기 공급팬에 의해 공급되는 외부공기를 상기 밀폐형 문풀 내로 공급하는 송급배관이 더 형성되는 것을 특징으로 하는 극지용 선박의 밀폐형 데릭구조.
- 극지용 선박의 밀폐형 데릭구조로서,밀폐형 데릭의 상부 내측에 배기유닛 설치되는 것을 특징으로 하는 극지용 선박의 밀폐형 데릭구조.
- 청구항 10항에 있어서,상기 밀폐형 데릭의 상부에는 상측으로 갈수록 폭이 넓어지는 설치작업공간이 형성되어 상기 설치작업공간에는 크라운 블록을 설치함과 동시에 상기 밀폐형 데릭의 상부에서 상기 배기유닛의 설치, 유지 및 보수 작업을 하게 하는 크라운 블록 플렛폼이 형성되는 것을 특징으로 하는 극지용 선박의 밀폐형 데릭구조.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG2013032826A SG190053A1 (en) | 2010-11-04 | 2011-06-22 | Sealed derrick structure for polar vessels |
US13/881,368 US9205894B2 (en) | 2010-11-04 | 2011-06-22 | Sealed derrick structure for polar vessels |
JP2013536484A JP5627793B2 (ja) | 2010-11-04 | 2011-06-22 | 極地用船舶の密閉型デリック構造 |
CN201180051681.9A CN103313910B (zh) | 2010-11-04 | 2011-06-22 | 用于极地船的封闭式钻塔结构 |
EP11838132.6A EP2636586A4 (en) | 2010-11-04 | 2011-06-22 | Sealed derrick structure for polar vessels |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20-2010-0011352 | 2010-11-04 | ||
KR2020100011352U KR200466433Y1 (ko) | 2010-11-04 | 2010-11-04 | 극지용 선박의 밀폐형 데릭구조 |
Publications (1)
Publication Number | Publication Date |
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WO2012060527A1 true WO2012060527A1 (ko) | 2012-05-10 |
Family
ID=46024627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2011/004554 WO2012060527A1 (ko) | 2010-11-04 | 2011-06-22 | 극지용 선박의 밀폐형 데릭구조 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9205894B2 (ko) |
EP (1) | EP2636586A4 (ko) |
JP (1) | JP5627793B2 (ko) |
KR (1) | KR200466433Y1 (ko) |
CN (1) | CN103313910B (ko) |
SG (1) | SG190053A1 (ko) |
WO (1) | WO2012060527A1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101213757B1 (ko) * | 2010-11-19 | 2012-12-18 | 대우조선해양 주식회사 | 밀폐형 데릭구조의 온도 및 압력 모니터링 시스템 |
CN205707185U (zh) * | 2013-08-16 | 2016-11-23 | 伊特里克公司 | 单体海上钻探船 |
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2011
- 2011-06-22 CN CN201180051681.9A patent/CN103313910B/zh not_active Expired - Fee Related
- 2011-06-22 WO PCT/KR2011/004554 patent/WO2012060527A1/ko active Application Filing
- 2011-06-22 EP EP11838132.6A patent/EP2636586A4/en not_active Withdrawn
- 2011-06-22 US US13/881,368 patent/US9205894B2/en not_active Expired - Fee Related
- 2011-06-22 JP JP2013536484A patent/JP5627793B2/ja not_active Expired - Fee Related
- 2011-06-22 SG SG2013032826A patent/SG190053A1/en unknown
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Also Published As
Publication number | Publication date |
---|---|
EP2636586A1 (en) | 2013-09-11 |
US20130291780A1 (en) | 2013-11-07 |
CN103313910B (zh) | 2016-09-07 |
CN103313910A (zh) | 2013-09-18 |
KR20120003311U (ko) | 2012-05-14 |
JP5627793B2 (ja) | 2014-11-19 |
JP2013540645A (ja) | 2013-11-07 |
KR200466433Y1 (ko) | 2013-04-15 |
US9205894B2 (en) | 2015-12-08 |
SG190053A1 (en) | 2013-06-28 |
EP2636586A4 (en) | 2017-12-06 |
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