WO2015022425A1 - Système de support de tube goulotte destiné à l'utilisation sur des vaisseaux flottants - Google Patents
Système de support de tube goulotte destiné à l'utilisation sur des vaisseaux flottants Download PDFInfo
- Publication number
- WO2015022425A1 WO2015022425A1 PCT/EP2014/067499 EP2014067499W WO2015022425A1 WO 2015022425 A1 WO2015022425 A1 WO 2015022425A1 EP 2014067499 W EP2014067499 W EP 2014067499W WO 2015022425 A1 WO2015022425 A1 WO 2015022425A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plate
- bottom plate
- top plate
- flexible suspension
- suspension arrangement
- Prior art date
Links
- 239000000725 suspension Substances 0.000 claims abstract description 40
- 238000005452 bending Methods 0.000 claims abstract description 13
- 210000005069 ears Anatomy 0.000 claims description 31
- 241000239290 Araneae Species 0.000 claims description 24
- 230000000712 assembly Effects 0.000 description 10
- 238000000429 assembly Methods 0.000 description 10
- 230000001419 dependent effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 206010016256 fatigue Diseases 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000013201 Stress fracture Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/002—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables specially adapted for underwater drilling
- E21B19/004—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables specially adapted for underwater drilling supporting a riser from a drilling or production platform
Definitions
- the present invention relates to a suspension device for supporting a riser from a floating vessel, ie such as a drilling rig or an intervention vessel, comprising a drill floor (work deck) with an opening through which a riser extends suspended through said suspension device (gimbal) with a riser spider or hang -off plate for load transfer between riser and gimbal.
- the suspension device (gimbal) is used, in combination with a spider, when sections of the riser are installed, retrieved, or suspended during storm conditions where the riser is not connected to the well.
- the riser can be suspended for a shorter or longer period of time depending on operating conditions.
- the suspension device (gimbal) will allow relative movement between the vessel and the riser without causing large or additional bending moments in the riser.
- a spider used alone, without gimbal, for suspension of risers is
- the suspension of the riser can be avoided by pulling the riser up on to the vessel again, ie dismantling the riser.
- a pair of cylinders are connected to the base frame and x-axis frame, another pair of cylinders are connected to the x-axis frame and the z-axis frame to control the movement of the frames.
- the cylinders are attached to the frames in both ends. This prevents the frames from rotating freely due to frictions in the cylinders.
- the positioning of the hinged connection points of the frames also leads to a less compact structure than the gimbal of the invention.
- the control system allows the gimbal to rotate freely or provide a controlled rigidity that can be increased until the spider is totally rigid. This has great advantages when the riser is installed or removed, as the gimbal could be locked for a short period of time when a new riser element is connected or disconnected.
- the control system and actuated locking system allows quick change between gimbal modes (locked and free to move) for operational safety, efficiency and minimized fatigue damage on riser.
- the invention provides a jacking system for use with a flexible suspension where said flexible suspension comprises a top-plate hingedly connected to a middle plate, said middle plate is hingedly connected to a bottom plate, said top plate and middle plate are adapted to tilt about their respective central axis, said central axis are situated perpendicular to each other.
- the invention is distinctive in that the jacking system comprise at least four levelling jacks located between said top plate or bottom plate, said levelling jacks are fixed in a first end to one of said top plate or said bottom plate, said levelling jacks are in the other end adapted to abut the opposite of said top plate or said bottom plate, without being attached thereto.
- the levelling jacks are fixed only in one end which resulting in a gimbal that is allowed to rotate freely.
- Figure 1 is principle drawing of a gimbal according to the invention mounted together with a spider and a riser at the drill floor of a vessel.
- Figure 2 shows the gimbal and spider in position at the drill floor with the riser suspended.
- Figure 3a is a sectional view of the gimbal, spider and the riser according to one embodiment of the invention.
- Figure 3b is a sectional view of the gimbal according to an embodiment of the invention.
- Figure 4 is a principle drawing of the gimbal from figure 3a and 3b.
- Figure 5 and 6 shows a detailed sketch of the gimbal according to another embodiment of the invention, viewed from the side.
- Figure 1 and 2 shows a vessel, such as an intervention ship, comprising a deck opening in the drill floor of the vessel 4. Through this opening it is possible to run equipment to the well such as a riser 3.
- a universal joint, hereinafter called gimbal 1 encloses the riser 3 and is placed in the drill floor or work floor 4 of the vessel.
- the gimbal 1 has substantially /preferably the same dimensions as a rotary table (not shown).
- the gimbal 1 can replace the rotary table in the recess in the drill floor 4 since this may not be needed during installation of the riser 3. This opening could for instance have the dimensions 2,4 m x 2,4 m.
- the gimbal 1 has substantially /preferably the same dimensions as a rotary table (not shown).
- the gimbal 1 can replace the rotary table in the recess in the drill floor 4 since this may not be needed during installation of the riser 3.
- This opening could for instance have the dimensions 2,4 m x 2,4 m.
- FIG. 1 having the same height as the deck opening to make it flush with the deck 2 of the vessel when placed in the drill floor 4.
- a suspension construction hereinafter called spider 5 is attached to the upper side of the gimbal 1.
- the spider 5 is enclosing the riser 3 and allows for controlled suspension of riser 3.
- the spider 5 acts as a vertical and lateral termination arrangement to keep the riser 3 in fixed position relative to the vessel.
- Figure 1 shows the suspension arrangement with the gimbal 1 and spider 5 in an elevated position above the drill floor 4.
- the suspension hereinafter called spider 5 is attached to the upper side of the gimbal 1.
- the spider 5 is enclosing the riser 3 and allows for controlled suspension of riser 3.
- the spider 5 acts as a vertical and lateral termination arrangement to keep the riser 3 in fixed position relative to the vessel.
- Figure 1 shows the suspension arrangement with the gimbal 1 and spider 5 in an elevated position above the drill floor 4.
- the suspension arrangement with the gimbal 1 and spider 5 in an elevated
- the spider 5 and the riser 3 are supported on a top plate 12 of the gimbal and an edge 15b (see figure 5) in the gimbal 1 .
- the gimbal 1 has a circular opening 15 in the middle of the gimbal 1 where the riser 3 is extended through.
- the edge 15b is situated at the inside of the gimbal 1 facing the opening 15 arranged at a preferable distance from upper surface of the gimbal 1 so that the lower part of the spider 5 is arranged within the opening 15 of the gimbal 1 .
- the gimbal would typically have a rated capacity (suspended load) between 250 and 1000 tonnes to match the strength of the riser 3.
- the bottom plate 14 is in contact with the vessel at the drill floor (work floor) or at the drill floor (work floor) recess 4 as shown in Figure 1 .
- the plates 12, 13, 14 are connected to each other through four bearing assemblies 1 1 a, 1 1 b, 1 1 c, 1 1 d. (Shown in Figure 4).
- the bottom plate 14 is fixed to the vessel or arranged in such a way that the plate 14 is not moving relative the vessel.
- the middle plate 13 is arranged above the bottom plate 14 and is hingedly connected to the bottom plate 14 through the bearing assemblies 1 1 a, 1 1 b.
- the middle plate 13 is adapted to tilt relative to the bottom plate 14 about a substantially horizontal first central axis 21 .
- the first central axis 21 is a (imaginary) line that runs through the bearing assemblies 1 1 a, 1 1 b.
- the bottom plate 14 has ears 18a, 18b extending upwards from the bottom plate 14 with a free end at two opposite lateral sides of the bottom plate 14. There are a set of corresponding ears 18a ' , 18b ' arranged on the middle plate 13 extending downwards beside the ears 18a, 18b.
- the bearing assembly 1 1 a are extending through holes in the pair of ears 18a, 18a ' connecting the plates together. The same applies for the pair of ears 18b, 18b ' and the bearing assembly 1 1 b.
- the top plate 12 is arranged above the middle plate 13 and is hingedly connected to the middle plate 13 through the bearing assemblies 1 1 c, 1 1 d.
- the top plate 12 is adapted to tilt relative to the middle plate 13 about a substantially horizontal second central axis 20.
- the second central axis 20 is a (imaginary) line that runs through the bearing assemblies 1 1 c, 1 1 d.
- the top plate 12 has ears 18c, 18d extending downwards from the top plate 12 with a free end at two opposite sides of the top plate 12. There are a set of corresponding ears 18c ' , 18d ' arranged on the middle plate 13 extending upwards beside the ears 18c, 18d.
- the bearing assembly 1 1 c is extending through holes in the pair of ears 18c, 18c ' connecting the plates 12, 13 together. The same applies for the pair of ears 18d, 18d ' and the bearing assembly 1 1 d.
- the middle plate 13 could also have a pair of ears 18a ' instead of one ears arranged extending downwards on both sides of the ears 18a. The same applies to the other ears 18b ' , 18c ' , 18d ⁇
- the first central axis 21 and the second central axis 20 are arranged
- the central axes 20, 21 are arranged in the substantially the same horizontal plane but different horizontal planes are also possible.
- the central axes 20, 21 are not in the same horizontal plane but the first central axis 21 is arranged in a plane substantially equal to an upper plane 13a.
- the upper plane 13a is a plane defined by the upper limitation of the middle plate 13.
- the second central axis 20 is arranged in a plane substantially equal to a lower plane 13b.
- the lower plane 13b is a plane defined by the lower limitation of the middle plate 13. This is illustrated in Figure 3b.
- Figure 5 and 6 shows an embodiment where the central axes are arranged in the same horizontal planes. This embodiment of the invention will now be described in greater details further down in the description.
- Figure 5 and 6 shows the gimbal 1 with the top plate 12, middle plate 13 and the bottom plate 14.
- the bearing assemblies 1 1 a, 1 1 b, 1 1 c, and 1 1 d are also shown on the figures.
- levelling jacks 16 are arranged in the corners of the bottom plate 14.
- the levelling jacks 16 are connected to the bottom plate 14 through a ball joint 16b.
- the levelling jacks 16 are in one end held in a fixed position by rubber enclosing the ball joint 16b. In the opposite end the levelling jacks 16 are impinging a concave seat 16c at the underside of the gimbals 1 top plate 12..
- the levelling jacks 16 are connected to the same system and are adjusted synchronically to the same pressure.
- the rigidity of the levelling jacks 16 could be adjusted hydraulically.
- the levelling jack system 16 could also be in connection with a gas accumulator (not shown) which can pressurize the levelling jacks 16 and adjust the rigidity.
- the figure 5-6 further shows in detail the connection between the top plate 12, middle plate 13 and the bottom plate 14.
- the top plate 12 and the middle plate 13 are hingedly connected through the bearing assemblies 1 1 a, 1 1 b and are adapted to tilt about a first horizontal axis 21 .
- the middle plate 13 and the bottom plate 14 are hingedly connected through the bearing assemblies 1 1 c, 1 1 d and are adapted to tilt about a second substantially horizontal axis 20.
- the first central axis 21 and the second central axis 20 are arranged
- the bottom plate 14 has ears 18c, 18d extending upwards with a free end from the bottom plate 14 at two opposite sides of the bottom plate 14.
- the ears 18c, 18d are arranged in pairs and are fixedly connected to the surface 19 of the bottom plate 14 facing the top plate 12.
- the pair of ears 18c, 18d are arranged on each side of the middle plate 13.
- the bottom plate 14 and the top plate 12 are situated in a manner such that the ears 18a, 18b at the top plate 12 are oriented at different sides than the ears 18c, 18 at the bottom plate 14.
- the ears 18a, 18b, 18c, 18d having circular openings for the bearing
- the bearing assembly 1 1 a is extending from one of the ear in the pair of ears 18a through the opening in the middle plate to the other ear of the pair of ears 18a.
- the other bearing assemblies 1 1 b, 1 1 c, 1 1 d are arranged in the same way to connect the top plate 12 and the bottom plate 14 to the middle plate 13.
- the functioning of the gimbal 1 shall now be explained further:
- the gimbal is run together with the spider 5 when the riser 3 is installed or removed.
- the arrangement is also used in general when the riser 3 is suspended and not connected to the well in a shorter or longer period of time to allow relative movement between the vessel 2 and the riser 3, thus reducing bending momentum in the riser 3.
- the hydraulic jack arrangement 16 is connected to a control system to control the stiffness or the rigidity of the levelling jacks 16.
- the gimbal 1 can tilt freely about its two axes 20, 21.
- the levelling jacks 16 can also give the gimbal 1 a controlled stiffness by pressurize the levelling jacks 16 either directly or including a gas accumulator.
- the rigidity of the levelling jacks 16 can be increased from approximately zero where the levelling jacks 16 is in a position so that the gimbal 1 can rotate freely to a full rigidity or stifness of the levelling jacks 16 at position where the gimbal 1 is held in a fixed position by the levelling jacks16. This is regulated by the hydraulic pressure in the levelling jacks 16.
- the gas in the accumulator can act as a spring.
- the gimbal 1 is flexible in that it is possible for the top plate 12 to tilt about the first horizontal central axis 21 . In the same way the middle plate 13 can tilt about the second horizontal central axis 20.
- the first and second central axes 21 , 20 is perpendicular so that the riser 3 suspended in the gimbal 1 can rotate an angel about the first and second central axes 21 , 20.
- the riser 3 could also rotate around any other horizontal axis through the center of the gimbal 1 .
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
La présente invention concerne un système de suspension souple destiné à neutraliser les moments de courbure d'un tube goulotte (3). Le système de suspension (1) comprenant au moins trois plaques (12, 13, 14) dont une plaque intermédiaire (13) est située entre une plaque supérieure (12) et une plaque inférieure (14), ladite plaque supérieure (12) étant raccordée par des charnières à ladite plaque intermédiaire (13) et sont conçues pour s'incliner autour d'un premier axe central horizontal (21), ladite plaque inférieure (14) étant raccordée par des charnières à ladite plaque intermédiaire (13) et conçue pour s'incliner autour d'un second axe central horizontal (20) disposé perpendiculaire au premier axe central horizontal (21). La plaque intermédiaire supérieure (13) présentant un plan supérieur (13a) défini par la limite supérieure de la plaque intermédiaire (13), ladite plaque intermédiaire (13) présentant un plan inférieur (13b) défini par la limite inférieure de la plaque intermédiaire (13). Les premier et second axes horizontaux (21, 20) sont disposés dans les plans horizontaux disposés audit plan supérieur (13a) et audit plan inférieur (13b) ou disposés entre ledit plan intermédiaire supérieur (13a) et ledit plan inférieur (13b). L'invention concerne également un système de levage par vérins destiné à l'utilisation avec le système de suspension souple. Le système de vérins comprend au moins quatre vérins de mise de niveau (16) situés entre la plaque supérieure (12) et la plaque inférieure (14), lesdits vérins de mise de niveau (16) sont fixés dans une première extrémité à une desdites plaques supérieures (12) ou de ladite plaque inférieure (14). Dans les autres extrémités, les vérins de mise de niveau (16) sont conçus pour s'appuyer sur la partie en regard de ladite plaque supérieure (12) ou de ladite plaque inférieure (14), sans être fixés à celle-ci.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20131120 | 2013-08-16 | ||
NO20131120A NO337179B1 (no) | 2013-08-16 | 2013-08-16 | Slingrebøyle (Gimbal) for stigerør til bruk på fartøy |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015022425A1 true WO2015022425A1 (fr) | 2015-02-19 |
Family
ID=51359395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2014/067499 WO2015022425A1 (fr) | 2013-08-16 | 2014-08-15 | Système de support de tube goulotte destiné à l'utilisation sur des vaisseaux flottants |
Country Status (2)
Country | Link |
---|---|
NO (1) | NO337179B1 (fr) |
WO (1) | WO2015022425A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017040798A1 (fr) * | 2015-09-04 | 2017-03-09 | Lord Corporation | Système de cardan |
JP2018091481A (ja) * | 2016-10-21 | 2018-06-14 | ヌスター テクノロジーズ ピーティーイー エルティーディーNustar Technologies Pte Ltd | ジャイロ式ハングオフシステム |
NO20220601A1 (en) * | 2022-05-20 | 2023-11-21 | Enhanced Drilling As | Riser suspension device with movement limiter |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3420318A (en) * | 1965-03-26 | 1969-01-07 | Inst Francais Du Petrole | Apparatus for the handling and assembling of tubular rigid elements on a floating installation |
US20050199400A1 (en) * | 2004-03-10 | 2005-09-15 | Moncus James D. | Apparatus and method for supporting structures on offshore platforms |
US20110048728A1 (en) * | 2008-02-13 | 2011-03-03 | Hans-Paul Carlsen | Riser support system |
WO2013012317A1 (fr) * | 2011-07-15 | 2013-01-24 | Itrec B.V. | Champ technique et arrière-plan de l'invention |
-
2013
- 2013-08-16 NO NO20131120A patent/NO337179B1/no unknown
-
2014
- 2014-08-15 WO PCT/EP2014/067499 patent/WO2015022425A1/fr active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3420318A (en) * | 1965-03-26 | 1969-01-07 | Inst Francais Du Petrole | Apparatus for the handling and assembling of tubular rigid elements on a floating installation |
US20050199400A1 (en) * | 2004-03-10 | 2005-09-15 | Moncus James D. | Apparatus and method for supporting structures on offshore platforms |
US20110048728A1 (en) * | 2008-02-13 | 2011-03-03 | Hans-Paul Carlsen | Riser support system |
WO2013012317A1 (fr) * | 2011-07-15 | 2013-01-24 | Itrec B.V. | Champ technique et arrière-plan de l'invention |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017040798A1 (fr) * | 2015-09-04 | 2017-03-09 | Lord Corporation | Système de cardan |
JP2018091481A (ja) * | 2016-10-21 | 2018-06-14 | ヌスター テクノロジーズ ピーティーイー エルティーディーNustar Technologies Pte Ltd | ジャイロ式ハングオフシステム |
US10443324B2 (en) | 2016-10-21 | 2019-10-15 | Nustar Technologies Pte Ltd | Gyroscopic hang-off system |
NO20220601A1 (en) * | 2022-05-20 | 2023-11-21 | Enhanced Drilling As | Riser suspension device with movement limiter |
NO347735B1 (en) * | 2022-05-20 | 2024-03-11 | Enhanced Drilling As | Riser suspension device with movement limiter |
Also Published As
Publication number | Publication date |
---|---|
NO20131120A1 (no) | 2015-02-17 |
NO337179B1 (no) | 2016-02-01 |
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