WO2017043315A1 - ライザー支持構造体を備える浮体設備 - Google Patents
ライザー支持構造体を備える浮体設備 Download PDFInfo
- Publication number
- WO2017043315A1 WO2017043315A1 PCT/JP2016/074641 JP2016074641W WO2017043315A1 WO 2017043315 A1 WO2017043315 A1 WO 2017043315A1 JP 2016074641 W JP2016074641 W JP 2016074641W WO 2017043315 A1 WO2017043315 A1 WO 2017043315A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- riser
- attached
- floating
- outer plate
- support structure
- Prior art date
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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
- B63B3/00—Hulls characterised by their structure or component parts
- B63B3/14—Hull parts
- B63B3/26—Frames
- B63B3/32—Web frames; Web beams
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B17/01—Risers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B17/01—Risers
- E21B17/012—Risers with buoyancy elements
-
- 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
- B63B2035/448—Floating hydrocarbon production vessels, e.g. Floating Production Storage and Offloading vessels [FPSO]
Definitions
- the present invention relates to a mounting structure for a riser support structure that is attached to an outer plate of a floating facility.
- the riser is supported in the horizontal direction by a keel guide provided in the sea and is supported in the vertical direction by a tension applying device provided in a deck at sea.
- a configuration is also known in which the riser is supported in the horizontal direction and the vertical direction by a riser support structure provided on the outer plate of the floating equipment above or below the draft.
- the riser support structure is constructed as a steel structure integrated with the outer plate of the floating equipment.
- the configuration of the riser support structure varies depending on the type and arrangement of the riser, but generally it takes time until the arrangement of the riser is finally determined. Therefore, the type and arrangement of the risers may be changed after the construction of the floating facilities starts. In that case, it is necessary to perform remodeling work.
- This invention makes it a subject to construct the floating body equipment provided with a riser support structure efficiently, even if the kind and arrangement
- the floating equipment according to the present invention includes an outer plate and a riser support structure attached to the outer side of the outer plate, and a mounting base structure for attaching the riser support structure to the outer plate is provided. Yes.
- the floating body equipment includes a web frame provided in a vertical direction along the inner side of the outer plate, and the web frame is structurally reinforced at a position where the riser support structure is attached.
- the riser support structure includes, for example, a riser tube support portion that inserts, holds, and fixes the riser, and the mounting base structure is configured as a structure that supports the riser tube support portion.
- the riser support structure is divided into, for example, a riser tube support portion for inserting and holding and fixing the riser, and a structure that is attached to the outer plate via the mounting base structure and supports the riser tube support portion. Is done.
- the structure that supports the riser tube support is configured as a bracket member, for example.
- the riser pipe support portion may include a unit structure in units of two risers. Further, the riser tube support portion may include a unit structure with one riser as a unit.
- the riser tube support section includes a top plate, and two unit structures can be attached to the top plate, and openings having a circular arc shape are provided at both ends in the longitudinal direction. One unit structure is attached. At this time, the unit structure is provided with a half-round flange portion adapted to the arc shape.
- the riser pipe support is disposed above the draft. Further, the riser pipe support portion may be disposed below the draft.
- a method for manufacturing a floating body equipment according to the present invention is a method for manufacturing a floating body equipment comprising an outer plate and a riser support structure attached to the outside of the outer plate, and a mounting base for attaching the riser support structure to the outer plate.
- the structure is provided, and the riser support structure is inserted into the riser tube support part for inserting and holding and fixing the riser, and the structure that is attached to the outer plate via the mount structure and supports the riser pipe support part.
- the structure is divided, and the structure supporting the riser pipe support is attached to the outer plate, and then the riser pipe support is attached to the structure supporting the riser pipe support.
- FIG. 1st Embodiment It is a partial cross-sectional view of the floating facility of the first embodiment according to the present invention. It is a figure which shows the attachment aspect to the floating body installation of the riser support structure in 1st Embodiment. It is an enlarged view in case there is no opening part, such as a manhole of the part enclosed with the frame A in FIG. It is an enlarged view in case there exists opening parts, such as a manhole of the part enclosed with the frame A in FIG. It is a figure which shows the aspect which attaches to the floating body installation of the riser support structure in a 1st modification. It is a figure which shows the aspect which attaches the riser support structure in the 2nd modification to the floating body installation.
- FIG. 1 is a partial cross-sectional view of a floating facility according to a first embodiment of the present invention.
- the floating facility 10 of the present embodiment is a FPSO facility having a ship shape provided with a processing facility for processing hydrocarbons such as crude oil and gas.
- the floating facility 10 is constructed, for example, by dividing it into blocks in the longitudinal direction, and is constructed using a block construction method in which the blocks are joined together in the final process. After construction, the floating body facility 10 is self-propelled or towed and transferred to an installation sea area (water area). After mooring in the sea area (water area), a large number of flexible riser pipes R are attached.
- FIG. 1 is a diagram showing a cross-sectional view of the riser support structure 14 and the outer plate 12 of the floating facility 10 at the same position.
- the riser support structure 14 includes an upper riser support structure 14A that holds and fixes the riser pipe R above the ship-side outer plate 12, and a riser pipe that hangs down into the sea below the ship-side outer plate 12, for example, near a draft bilge. And a lower riser support structure 14B for holding R.
- 14 A of upper riser support structures are equipped with the riser pipe
- the bracket member 20 is, for example, an inverted right triangular plate-like structure, and is attached to the outside of the outer plate 12 along the longitudinal direction of the floating facility 10 at a predetermined interval.
- the riser pipe support 16 is stretched over the bracket member 20 at the top of the bracket member 20.
- the lower riser support structure 14B is mainly composed of a guide tube that regulates the horizontal movement of the riser pipe R, for example.
- the riser tube support portion 16, the attached structure portions 18 and 19, and the bracket member 20 of the upper riser support structure 14A are pre-assembled in units of a predetermined length, and after the block assembly of the floating equipment 10, 2 is assembled.
- the upper riser support structure 14A integrated as shown in FIG. 2 is attached to the outside of the outer plate 12 of the floating facility 10 using welding or the like.
- the lower riser support structure 14B which is assembled in advance as shown in FIG. 2, is attached to the outside of the outer plate 12 of the floating equipment 10 using welding or the like after the block assembly of the floating equipment 10 is assembled.
- each of the upper riser support structure 14A and the lower riser support structure 14B is attached to the floating facility 10 via the mounting base structures 22A and 22B.
- the mounting base structures 22A and 22B are vertically long members (for example, T-shaped structures) having lengths corresponding to the vertical lengths of the upper riser support structure 14A and the lower riser support structure 14B, respectively.
- T-shaped structures vertically long members
- the riser support structure 14 is fixed to the floating equipment 10 by welding the bracket member 20 of the upper riser support structure 14A to the mounting base structure 22A and welding the lower riser support structure 14B to the mounting base structure 22B.
- a number of longitudinal stiffeners 24 are provided on the inner side of the outer plate 12 of the floating facility 10, and the position where the riser support structure 14 is provided has a cross-sectional view.
- a web frame 26 is provided extending along.
- the web frame 26 at a position corresponding to the uppermost portion of the portion (the mounting base structure 22A and / or the mounting base structure 22B) to which the riser support structure 14 is attached is placed in a predetermined range (for example, vertical and horizontal lengthwise It is replaced in advance with a reinforcing material (for example, +5 mm to +15 mm thick) thicker than others over a range of 0.5 to 1.5 times the mounting interval of the stiffeners 24.
- the structural reinforcement by the reinforcing members 28A, 28B, 30A, and 30B is designed corresponding to the heaviest anticipated upper riser support structure 14A (or lower riser support structure 14B).
- the opening 32 is a manhole, and the longitudinal stiffener 24B also serves as a floor surface.
- the riser support structure can be manufactured after completion of the floating equipment.
- the type of riser after block assembly is adopted by adopting a reinforcement structure that assumes the maximum load at the riser support structure mounting position of the floating body equipment. Even if the arrangement is determined, it is not necessary to make another modification around the riser support structure mounting position, so that the construction period can be shortened and labor and manufacturing costs can be reduced.
- first and second modifications of the first embodiment will be described with reference to FIGS.
- the first and second modified examples are in the difference in unitization of the riser support structure.
- Other configurations are the same as those of the first embodiment, and the same reference numerals are used for the same configurations and the description thereof is omitted.
- the upper riser support structure is attached to the outside of the outer plate 12 of the floating facility 10 after assembling all the components.
- the structure changed depending on the type and arrangement of the riser is a part of the riser support structure. Accordingly, in the first and second modified examples, by standardizing other than the configuration that is changed depending on the type and arrangement of the risers, for example, the floating body equipment 10 in the block state is attached in advance, and members other than the same configuration are assembled after the block is assembled. It can be attached.
- the structure of the riser support structure applied to the floating facility according to the second embodiment will be described with reference to FIGS.
- the difference from the first embodiment to the second embodiment is only the difference in the configuration of the riser pipe support, and the other configurations are the same as those in the first embodiment and the first and second modifications. Therefore, the same reference numerals are used for the same components, and the description thereof is omitted.
- FIG. 7 is a perspective view showing the configuration of one type of riser pipe support unit 160A.
- the riser pipe support unit 160 ⁇ / b> A includes two cylindrical members 161 and 162 having different diameters that form riser pipe insertion holes through which the riser pipes are inserted, and upper and lower portions of the cylindrical members 161 and 162.
- the cylindrical members 161 and 162 having different diameters are paired.
- FIG. 8 is a plan view of the riser tube support unit 160 and the attachment structure assemblies 180 and 190, which are assemblies of the attachment structures 18 and 19, and FIG. 8A shows a state after assembly. FIG. 8B shows a state before assembly.
- the same effect as in the first embodiment can be obtained.
- the types of riser tubes are specified, by preparing several types of riser tube support units corresponding to the combinations in advance, these are determined after determining the arrangement of the riser tubes. Assembling efficiency can be further improved by combining (welding) with the arrangement of the riser tube.
- the structure of the riser support structure applied to the floating facility of the third embodiment will be described.
- the difference from the first and second embodiments to the third embodiment is only the difference in the configuration of the riser pipe support, and the other configurations are the same as those in the first and second embodiments and the first and second modifications. It is. Therefore, the same reference numerals are used for the same components, and the description thereof is omitted.
- the riser pipe support is configured as a unit with one riser as a unit.
- 9 and 10 show riser pipe support units 170 and 171 when two types of riser pipes having a large diameter and a small diameter are used, for example.
- the riser tube support unit 170 is mainly composed of a large-diameter cylindrical member 172
- the riser tube support unit 171 is mainly composed of a small-diameter cylindrical member 173.
- Flange portions 174 and 175 extending outward are provided at the upper and lower opening ends of the riser tube support unit units 170 and 171.
- the flange portions 174 and 175 have a circular arc shape of the half circumference of the cylindrical members 172 and 173, and the lower flange portion is provided so that it can be attached from above after assembling the attachment structure assemblies 180 and 190.
- the width is slightly narrower than that of the upper flange portion.
- three plate members 176 extending along the generatrix of the cylindrical member 172 are provided at equal intervals along the circumference, thereby reinforcing the structure of the cylindrical member 172 and the flange portions 174, 174. is doing.
- FIG. 10 is a plan view of the accessory structure assemblies 180 and 190, which are assemblies of the riser pipe support units 170 and 171 and the accessory structures 18 and 19, and FIG. FIG. 8B shows a state before assembly.
- a pair of upper and lower top plates 200 for attaching the riser pipe support unit 170, 171 is provided between the attached structure assembly 180, 190.
- the top plate 200 is provided with a number of substantially oval openings 202 having a long axis in the longitudinal direction of the floating body facility 10.
- one opening 202 is provided between each pair of bracket members 20.
- the sizes of the flange portions 174 and 175 of the riser tube support unit 170 and 171 are adapted to the diameters of the arc portions at both ends of each opening 202, and the flange portions 174 and 175 of the riser tube support unit 170 and 171.
- the plate members 176 and 177 are also welded to the plate members provided between the upper and lower top plates 200.
- FIG. 11 is a cross-sectional view showing the configuration of the riser support structure according to the fourth embodiment.
- the riser pipe is held and fixed in the upper riser support structure 14A.
- the lower riser support structure 15 Hold and fix the riser pipe to the floating equipment.
- the lower riser support structure 15 of the fourth embodiment includes a riser pipe support 15 ⁇ / b> A that regulates the movement of the riser pipe R in the horizontal direction and the vertical direction.
- the lower riser support structure 15 is welded to the mount structure 22B as in the first to third embodiments.
- riser pipe (not shown) inserted through the upper riser support structure 14A is connected to the riser pipe R attached to the riser pipe support portion 15A.
- the other configurations are the same as those in the first to third embodiments.
- the web frame (26) located at the position corresponding to the uppermost portion of the mounting base structure 22B You may reinforce by the method similar to description of 1st Embodiment.
- the riser tube support portion 15A provided in the lower riser support structure 15 is divided into a plurality of divided units with a predetermined number of riser tubes as in the riser tube support portion 16 of the second and third embodiments. It may be composed of units.
- the fourth embodiment can obtain substantially the same effects as those of the first to third embodiments.
- the bracket member 20 is directly attached to the outer plate 12 in advance at the block stage, and the riser pipe support portion 16 and the attached structure portions 18 and 19 are attached to the bracket after the block connection. It is also possible to attach to the member 20.
- the bracket member 20 is configured as a mounting base structure and is not included in the upper riser support structure.
- the structural reinforcement in the present embodiment may be other than a configuration in which the web frame is replaced with a reinforcing material.
Abstract
Description
12 外板
14 ライザー支持構造体
14A 上部ライザー支持構造体
14B、15 下部ライザー支持構造体
15A、16 ライザー管支持部
18、19 付属構造部
20 ブラケット部材
22A、22B 取付台構造体
26 ウェブフレーム
28A、28B、30A、30B 補強材
160、160A~160D ライザー管支持部ユニット
161、162 円筒部材
170、171 ライザー管支持部ユニット
172、173 円筒部材
174、175 フランジ部
200 天板
202 開口部
R ライザー管
Claims (13)
- 外板と、前記外板の外側に取り付けられるライザー支持構造体を備え、前記外板に前記ライザー支持構造体を取り付けるための取付台構造体が設けられることを特徴とする浮体設備。
- 前記外板の内側に沿って垂直方向に設けられるウェブフレームを備え、前記ライザー支持構造体の取り付けられる位置において、前記ウェブフレームが構造補強されていることを特徴とする請求項1に記載の浮体設備。
- 前記ライザー支持構造体が、ライザーを挿通し保持・固定するライザー管支持部を備え、前記取付台構造体が前記ライザー管支持部を支持する構造体として構成されることを特徴とする請求項1~2の何れか一項に記載の浮体設備。
- 前記ライザー支持構造体が、ライザーを挿通し保持・固定するライザー管支持部と、前記取付台構造体を介して前記外板に取り付けられ前記ライザー管支持部を支持する構造体とに分割して構成されることを特徴とする請求項1~2の何れか一項に記載の浮体設備。
- 前記ライザー管支持部を支持する構造体が、ブラケット部材として構成されることを特徴とする請求項3または請求項4に記載の浮体設備。
- 前記ライザー管支持部を支持する構造体が前記浮体設備の前記外板に取り付けられた後に、前記ライザー管支持部が前記ライザー管支持部を支持する構造体に取り付けられることを特徴とする請求項3~5の何れか一項に記載の浮体設備。
- 前記ライザー管支持部が、ライザー2本分を単位とするユニット構造を備えることを特徴とする請求項3~6の何れか一項に記載の浮体設備。
- 前記ライザー管支持部が、ライザー1本分を単位とするユニット構造を備えることを特徴とする請求項3~6の何れか一項に記載の浮体設備。
- 前記ライザー管支持部が天板を備え、前記天板には、2個分の前記ユニット構造を取り付け可能であり、長手方向両端が円弧形状を呈する開口が設けられ、前記両端の円弧形状を呈する部分にそれぞれ1個の前記ユニット構造が取り付けられることを特徴とする請求項8に記載の浮体設備。
- 前記ユニット構造が、前記円弧形状に適合する半周分のフランジ部を備えることを特徴とする請求項9に記載の浮体設備。
- 前記ライザー管支持部が喫水よりも上方に配置されることを特徴とする請求項3~10の何れか一項に記載の浮体設備。
- 前記ライザー管支持部が喫水よりも下方に配置されることを特徴とする請求項3~10の何れか一項に記載の浮体設備。
- 外板と、前記外板の外側に取り付けられるライザー支持構造体とを備える浮体設備の製造方法であって、
前記外板に前記ライザー支持構造体を取り付けるための取付台構造体が設けられるとともに、前記ライザー支持構造体が、ライザーを挿通し保持・固定するライザー管支持部と、前記取付台構造体を介して前記外板に取り付けられ前記ライザー管支持部を支持する構造体とに分割して構成され、
前記ライザー管支持部を支持する構造体を前記外板に取り付けた後に、前記ライザー管支持部を、前記ライザー管支持部を支持する構造体に取り付ける
ことを特徴とする浮体設備の製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020187006834A KR20190070307A (ko) | 2015-09-11 | 2016-08-24 | 라이저 지지 구조체를 구비한 부체 설비 |
CN201680052592.9A CN108137140A (zh) | 2015-09-11 | 2016-08-24 | 具备立管支承结构体的浮体设备 |
SG11201801997VA SG11201801997VA (en) | 2015-09-11 | 2016-08-24 | Floating installation provided with riser support structure |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015179440A JP2017052469A (ja) | 2015-09-11 | 2015-09-11 | ライザー支持構造体を備える浮体設備 |
JP2015-179440 | 2015-09-11 |
Publications (1)
Publication Number | Publication Date |
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WO2017043315A1 true WO2017043315A1 (ja) | 2017-03-16 |
Family
ID=58239513
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2016/074641 WO2017043315A1 (ja) | 2015-09-11 | 2016-08-24 | ライザー支持構造体を備える浮体設備 |
Country Status (5)
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JP (1) | JP2017052469A (ja) |
KR (1) | KR20190070307A (ja) |
CN (1) | CN108137140A (ja) |
SG (1) | SG11201801997VA (ja) |
WO (1) | WO2017043315A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020136378A1 (en) | 2018-12-28 | 2020-07-02 | Subsea 7 Limited | Installing subsea risers |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019044194A1 (ja) * | 2017-08-31 | 2019-03-07 | 三井E&S造船株式会社 | ライザー管支持構造 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030206772A1 (en) * | 2001-02-22 | 2003-11-06 | Horne Earl Wilson | Method and apparatus for increasing floating platform buoyancy |
US6739804B1 (en) * | 1999-04-21 | 2004-05-25 | Ope, Inc. | SCR top connector |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1777532A (zh) | 2003-02-28 | 2006-05-24 | 默代克国际有限公司 | 上升管支撑系统及方法 |
-
2015
- 2015-09-11 JP JP2015179440A patent/JP2017052469A/ja active Pending
-
2016
- 2016-08-24 KR KR1020187006834A patent/KR20190070307A/ko unknown
- 2016-08-24 SG SG11201801997VA patent/SG11201801997VA/en unknown
- 2016-08-24 CN CN201680052592.9A patent/CN108137140A/zh active Pending
- 2016-08-24 WO PCT/JP2016/074641 patent/WO2017043315A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6739804B1 (en) * | 1999-04-21 | 2004-05-25 | Ope, Inc. | SCR top connector |
US20030206772A1 (en) * | 2001-02-22 | 2003-11-06 | Horne Earl Wilson | Method and apparatus for increasing floating platform buoyancy |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020136378A1 (en) | 2018-12-28 | 2020-07-02 | Subsea 7 Limited | Installing subsea risers |
GB2580328A (en) * | 2018-12-28 | 2020-07-22 | Subsea 7 Ltd | Installing subsea risers |
GB2580328B (en) * | 2018-12-28 | 2021-01-20 | Subsea 7 Ltd | Installing subsea risers |
US11598156B2 (en) | 2018-12-28 | 2023-03-07 | Subsea 7 Limited | Installing subsea risers |
Also Published As
Publication number | Publication date |
---|---|
SG11201801997VA (en) | 2018-04-27 |
JP2017052469A (ja) | 2017-03-16 |
KR20190070307A (ko) | 2019-06-20 |
CN108137140A (zh) | 2018-06-08 |
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