WO2013034574A1 - Procédé de raccordement d'une ligne flexible sur une structure d'une installation d'exploitation de fluide et dispositif de raccordement associé - Google Patents
Procédé de raccordement d'une ligne flexible sur une structure d'une installation d'exploitation de fluide et dispositif de raccordement associé Download PDFInfo
- Publication number
- WO2013034574A1 WO2013034574A1 PCT/EP2012/067271 EP2012067271W WO2013034574A1 WO 2013034574 A1 WO2013034574 A1 WO 2013034574A1 EP 2012067271 W EP2012067271 W EP 2012067271W WO 2013034574 A1 WO2013034574 A1 WO 2013034574A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- flexible line
- flange
- curvature limiter
- retaining
- releasable
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000012530 fluid Substances 0.000 title claims description 14
- 238000009434 installation Methods 0.000 title claims description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 230000003100 immobilizing effect Effects 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims abstract description 5
- 230000037431 insertion Effects 0.000 claims abstract description 5
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 230000009849 deactivation Effects 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/01—Risers
- E21B17/017—Bend restrictors for limiting stress on risers
-
- 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
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
- E21B43/0107—Connecting of flow lines to offshore structures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/22—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using hooks or like elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
- F16B7/182—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements for coaxial connections of two rods or tubes
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49908—Joining by deforming
Definitions
- the present invention relates to a method of connecting a flexible line to a structure of a fluid exploitation installation, comprising the following steps:
- Such a method is implemented in particular in hydrocarbon exploitation facilities across a body of water, comprising for example a rigid structure fixed on the seabed, an oscillating structure subject to the seabed or a floating structure such as a surface naval support, a semi-submersible platform, a floating vertical column, or a ship.
- the flexible line to be connected to the structure is, for example, a flexible upstream fluid transport pipe, designated by the English term “riser”.
- the term "flexible conduits” refers to those described in the normative documents published by the American Petroleum Institute (API), API 17J and API RP 17 B and well known to those skilled in the art. More generally, the flexible line may be a bundle type composite beam, a set of umbilicals or electric cables.
- a method of the aforementioned type is implemented during the installation and connection of the flexible line on the surface structure.
- the flexible line is guided on the structure by introducing it through a hollow rigid tube integral with the structure, oriented vertically, which constitutes a protective sleeve.
- the hollow tube is for example of the "l-tube” or "J-tube” type.
- the flexible line is connected to the surface installation.
- a curvature limiter suitable locally imposing a radius of curvature greater than the minimum radius of curvature that can occupy the flexible line.
- curvature limiter is used to mean curvature limiters consisting, for example, of articulated rigid elements called “vertebrae”, curvature limiters constituted for example by molded plastic blocks, as well as combinations of these elements.
- a curvature limiter is for example arranged around the flexible line near its upper end to cooperate with the hollow tube during the insertion of the flexible line into the tube.
- the curvature limiter and the flexible line are moved jointly towards the lower end of the hollow tube until the partial insertion of the limiter in the hollow tube. Then, in a second step, the flexible line is moved upwards relative to the curvature limiter to go up through the hollow tube for its connection to the surface structure.
- the curvature limiter is held motionless in translation in the hollow tube by embedding and / or fixing by means of clamps.
- WO 98/23845 discloses a method using a single winch for towing the flexible line and the curvature limiter by temporarily securing the curvature limiter to the flexible line using a breakable pin.
- the curvature limiter When the curvature limiter is mounted to the lower end of the hollow tube, the curvature limiter and the flexible line move together. Then, the curvature limiter is attached to the lower end of the tube. Sufficient traction is then applied upwardly on the flexible line to break the breakable pin to allow upward movement of the flex line relative to the bend limiter.
- An object of the invention is to obtain a method of connecting a flexible line to a structure of a fluid operating installation that is simple and reliable to use, with a very limited risk of deterioration of the flexible line .
- the subject of the invention is a method of the aforementioned type, characterized in that the releasable immobilization mechanism is deactivated independently of the displacement of the flexible line with respect to the curvature limiter.
- the method according to the invention may comprise one or more of the following characteristics, taken separately or in any technically possible combination:
- the releasable immobilization mechanism comprises a retaining member integral with one of the flexible line and the curvature limiter and a movable engagement member adapted to be placed in an engagement configuration of the organ retaining step, wherein the disabling step includes moving the movable member from the engagement configuration to a release configuration of the retaining member regardless of displacement of the flexible line.
- the releasable retaining mechanism comprises an actuator, preferably a hydraulic actuator, the actuator being controlled during the deactivation step to allow the passage of each movable member from its engagement configuration to its release configuration.
- the releasable immobilization mechanism comprises a retaining cage of the movable member, and during the deactivation step, the actuator moves the retaining cage between a first holding position of each movable member in the setting configuration. in engagement, and a second position, in which each movable member is able to pass into its release configuration.
- the flexible line comprises at least one support flange
- the curvature limiter comprising a retaining flange applied to the support flange when the releasable immobilization mechanism is activated, the releasable immobilization mechanism holding the flange of support applied to the retaining flange during immobilization of the curvature limiter on the hollow rigid member, the bearing flange being free to move relative to the retaining flange after deactivation of the releasable immobilization mechanism.
- the hollow rigid member comprises at least one retaining collar, the curvature limiter comprising at least one pre-fixing member on the flange, the engagement of the curvature limiter on the hollow rigid member comprising the engagement of the pre-fixing member on the collar.
- the method comprises, after the step of deactivating the releasable immobilization mechanism, the definitive fixing of the curvature limiter on the hollow rigid member by means of at least one fixing member.
- connection device intended to be mounted on a structure of a fluid exploitation installation, comprising:
- a hollow rigid member intended to be fixed on the structure, the flexible line being intended to be engaged through the hollow rigid member;
- curvature limiter engaged around the flexible line, the curvature limiter being intended to be immobilized axially on the hollow rigid member;
- the releasable immobilization mechanism is adapted to be deactivated independently of the displacement of the flexible line relative to the curvature limiter.
- the device according to the invention may comprise one or more of the following characteristics, taken in isolation or in any technically possible combination:
- the releasable immobilization mechanism comprises a retaining member integral with one of the flexible line and the curvature limiter and a movable engagement member adapted to be placed in an engagement configuration of the organ retaining member, the movable member being movable from the engagement configuration to a release configuration of the retaining member regardless of displacement of the flexible line.
- the releasable retaining mechanism comprises an actuator, preferably a hydraulic actuator, the actuator being controllable to allow the passage of each movable member from the engagement configuration to its release configuration.
- the releasable immobilization mechanism comprises a retaining cage of the movable member, and the actuator is controllable to move the retaining cage between a first holding position of each movable member in the engagement configuration and a second position in which each movable member is able to pass in its release configuration.
- the flexible line comprises at least one support flange, the curvature limiter having a retaining flange applied to the support flange when the releasable immobilization mechanism is activated, the releasable immobilization mechanism now the bearing flange applied to the retaining flange during the immobilization of the bending limiter on the hollow rigid member, the bearing flange being free to move relative to the retaining flange after deactivating the mechanism of releasable immobilization.
- the hollow rigid member comprises at least one retaining flange, the curvature limiter comprising at least one pre-fixing member on the flange.
- the device comprises at least one fixing member of the curvature limiter on the collar to axially immobilize the curvature limiter relative to the flange.
- FIG. 1 is a schematic view, taken in section along a median vertical plane, of a fluid operating system comprising a first connecting device according to the invention
- FIG. 2 is a partial sectional view, taken along an axial plane, of the flexible line to be mounted on the installation of Figure 1, provided with a curvature limiter connected to the line by a mechanism of releasable immobilization;
- FIG. 3 is a view similar to Figure 2, in a first step of implementing a connection method according to the invention
- FIG. 4 is a view similar to Figure 3, in a second step of the connection method according to the invention.
- FIG. 5 is a view similar to Figure 3, in a third step of implementation of the connection method according to the invention, the releasable immobilizing means having been deactivated.
- FIG. 6 is a partial perspective view of the releasable immobilization means, in an activated configuration
- Figure 7 is a view similar to Figure 6 in a deactivated configuration.
- Figure 8 is a partial view similar to Figure 4 illustrating a variant prefixing member.
- FIG. 1 illustrates a fluid exploitation installation 10 according to the invention.
- This installation 10 is for example intended to collect a fluid, in particular a hydrocarbon taken from the bottom 12 of a body of water 14, or to transfer this hydrocarbon to a transport vessel.
- the installation 10 comprises a structure 16 floating on the body of water and a connecting device 17 according to the invention comprising a flexible line 18 intended to be connected to the structure 16.
- the body of water 14 is for example a lake, a sea or an ocean.
- the depth of the water extent to the right of the floating structure 16 is for example between 15 m and 3000 m.
- the floating structure 16 is for example a naval surface support, a semi-submersible platform, a floating vertical column, or a ship.
- the structure 16 is a fixed rigid structure of "jacket” type or an oscillating structure attached to the seabed.
- the structure 16 has an upper surface 22 on which is advantageously mounted an operating winch 24 of the flexible line 18 and a manifold 26 ("manifold" in English) adapted for connecting an end of the flexible line 18.
- the winch 24 advantageously comprises a single cable 28 deployable for pulling the flexible line 18.
- the flexible line 18 is, in the example shown in Figure 1, a flexible tubular conduit 30 for fluid transport internally defining a fluid flow passage.
- This pipe is also called rising pipe or “riser”, and is intended to connect a collection assembly (not shown) located on the bottom 12 of the body of water manifold ("manifold" in English) 26 located on the surface 22 of the floating structure 16.
- the flexible line 18 is, for example, an umbilical composite or "Integrated service umbilical” (ISU) or IPB well known to those skilled in the art and described in the normative documents published by the American Petroleum Institute.
- ISU Integrated service umbilical
- the flexible line 18 may be a bundle of electrical cables.
- the pipe 30 has, at its upper end 32, a head 33 connecting to the working line to the cable 28.
- the head 33 comprises a connecting sleeve 34 fixed to the upper end of the pipe 30 and an eyelet 35 for inserting the lower end of the working line to the cable 28.
- the eyelet 35 is advantageously rotatably mounted on an upper part of the sleeve 34 around a circulation axis AA 'of the line
- the head 33 further comprises a lower support flange 36 extending transversely to the longitudinal axis A-A '.
- the pipe 30 is for example unrolled and immersed in the body of water 14 from a laying vessel on the surface and is stored on the bottom 12 of the body of water 14, then the end of the pipe 30 (section not placed on the seabed) is abandoned on the bottom 14 via a drop cable.
- the connecting device 17 comprises a hollow rigid tube 40 for guiding and protecting the tubular line 18, integral with the structure 16, a local limiter 42 of curvature of the line 18, engaged around the line 18 away from the upper end 32, and a set 44 for fixing the curvature limiter 42 at the lower end of the hollow rigid tube 40.
- the device 17 further comprises a releasable mechanism 46 of axial immobilization of the curvature limiter 42 on the flexible line 18.
- the hollow rigid tube 40 is a right tube type "l-tube".
- the tube 40 is a "J-tube” which has a vertical upright upper part and a bent lower end.
- the tube 40 comprises a hollow vertical sleeve 50, integral with the structure 16, and a lower end flange 52 located at the lower end of the sleeve 50.
- the sleeve 50 delimits an interior passage which opens into the body of water 14 at the lower end and which opens at its upper end in the vicinity of the upper surface 22 of the structure, above the body of water. 14.
- the end flange 52 is immersed in the body of water 14.
- the curvature limiter 42 comprises, from bottom to top in FIGS. 2 and 3, a rigid lower assembly 62 and an articulated upper assembly 64 attached to the flexible lower assembly 62.
- the lower flexible assembly 62 comprises a stiffening block 66 and an intermediate clamping flange 68 on the hollow rigid tube 40.
- the lower block 66 is for example molded from a plastic material such as polyurethane. It has a frustoconical shape converging downwards.
- the intermediate flange 68 is attached to the top of the block 66. It has a peripheral flange which protrudes radially away from the axis A-A 'with respect to the stiffening block 66.
- the upper articulated assembly 64 comprises a plurality of tubular vertebrae 70A, 70B assembled axially end-to-end through annular collars 71 (visible in FIG. 2).
- the lower vertebra 70B is fixed on a bracket 72 carried by the intermediate flange 68.
- the vertebrae 70A, 70B are slightly movable relative to each other between a linear configuration along the axis AA 'and a slightly curved configuration with respect to the linear configuration.
- the block 66, the flange 68 and the vertebrae 70A, 70B internally delimit a central lumen 76 for the circulation of the flexible line 18 which defines the axis AA 'of circulation of the line 18 in the curvature limiter 42, coinciding with the local longitudinal axis of line 18.
- the lumen 76 is of cross section substantially conjugated to the outer transverse section of the line 18.
- the curvature limiter 42 further comprises an upper retaining flange 73 intended to receive in abutment the lower support flange 36 secured to the flexible line 18.
- the upper flange 73 projects radially from the upper assembly 64.
- a through opening 73A is formed through the upper flange 73 to accommodate the immobilization mechanism 46.
- the curvature limiter 42 is movable between a disassembled position shown in FIG. 2, in which it is placed away from the hollow rigid tube 40, and a position mounted on the hollow rigid tube 40. 1 and 5, in which the intermediate flange 68 of the limiter 42 is fixed to the lower end of the flange 52.
- the fastening assembly 44 comprises elements 75 for pre-fixing the curvature limiter 42 on the hollow rigid tube 40 and members 76 for definitively fixing the curvature limiter 42 on the hollow rigid tube, visible in FIG. 5.
- the pre-fixing members 75 are disposed at the periphery of the intermediate flange 68. They are mounted radially movable relative to the intermediate flange 68, between a radially contracted engagement position on the hollow rigid tube 40 (FIGS. and 5) and a radially spaced docking position on the tube 40 ( Figure 3). The radially contracted position forms a rest position.
- the pre-fixing members 75 are formed by hooks rotatably mounted at the periphery of the flange 68 around respective axes B-B 'perpendicular to the axis A-A'.
- the pre-fixing members 75 are intended to engage around the end flange 52 of the tube 40 to bear on a surface upper flange 52 and thus axially retain the curvature limiter 42 by preventing its axial movement downwardly.
- the pre-fixing members 75 do not oppose the axial upward movement of the curvature limiter 42 with respect to the tube 40.
- the final fixing members 76 are able to keep the intermediate flange 68 of the curvature limiter 42 and the collar 52 of the hollow rigid tube 40 pressed against each other. These members 76 are able to axially immobilize the curvature limiter 42. up and down along the axis AA 'relative to the hollow rigid tube 40.
- the fasteners 76 are formed for example by screw / nut systems inserted through the flange 68 and the collar 52 to keep them pressed against each other.
- the releasable immobilization mechanism 46 comprises a retaining member 80 carried by the flexible line 18 and an engagement assembly 81 mounted on the curvature limiter 42.
- the engaging assembly 81 includes a plurality of movable engaging members 82 for engaging around the retainer 80.
- the engaging assembly 81 further comprises an outer cage 84 for retaining the movable members 82 and a support piston 85 of the cage 84.
- the immobilizing mechanism 46 also comprises an actuator 86, shown schematically in FIGS. 6 and 7, for moving the outer cage 84 to allow the release of the movable members 82.
- the retaining member 80 is formed by a rod, advantageously a threaded rod, which projects downwardly through the flange 73.
- the retainer 80 When the head 33 of the flexible line 18 is applied against the upper flange 73, the retainer 80 is inserted through the through opening 73A in the upper flange 73 and protrudes downwardly beyond the upper flange. 73 to be received in the engagement set 81.
- the engagement assembly 81 is for example a segmentable nut.
- a segmentable nut is for example marketed under the name “HYDRAQUICK” by the company "HYDRATIGHT”.
- the cavity 88 of the cage 84 opens opposite the through opening 73A.
- the movable members 82 are formed by disjointed threaded segments movable radially between a retracted configuration of engagement of the retaining member 80, visible in FIG. 6, and an expanded configuration of release of the retaining member 80, visible in Figure 7.
- the cage 84 is mounted movably along the axis CC of the support piston 85 between a distal position for retaining the movable members 82 and a distal position for disengaging the movable members 82. It delimits an internal cavity 88 for receiving the movable members 82. .
- the cage 84 externally covers the movable members 82.
- each movable member 82 It keeps each movable member 82 in its engagement configuration and prevents each movable member 82 from moving radially toward its release configuration.
- the movable members 82 are exposed radially outwardly and are free to move radially towards their release configuration.
- the actuator 86 is for example a hydraulic actuator adapted to be connected to the cage 84 to cause it to move between the distal position and the proximal position.
- the actuator 86 is for example carried by a remotely controlled vehicle (ROV) and reversibly connectable on the cage 84.
- ROV remotely controlled vehicle
- the actuator 86 is a mechanical actuator.
- the releasable immobilization mechanism 46 is adapted to be controlled between an axial immobilization activated configuration of the flexible line 18 with respect to the curvature limiter 42, shown in FIGS. 2 to 4, and a deactivated line release configuration. flexible 18.
- the immobilization mechanism 46 is able to be deactivated independently of the displacement of the line 18, in particular without having to exert a traction force on the line 18, by a simple control of the actuator 86.
- the cage 84 In the activated configuration of the mechanism 46, the cage 84 thus occupies its distal position externally covering the movable members 82.
- the movable members 82 are maintained in their retracted configuration. They are adapted to engage the retainer 80.
- the actuator 86 has moved the cage 84 to its proximal position to radially discover the movable members 82.
- the movable members 82 are able to move radially towards their deployed configuration to release the retaining member 80.
- the curvature limiter 42 is engaged around the flexible line 18 and is immobilized axially on the flexible line 18 by means of the immobilization mechanism 46.
- the pipe 30 is introduced through the lower rigid assembly 62 and the articulated upper assembly 64.
- the head 33 of the flexible line 18 is placed in contact with the curvature limiter 42.
- the lower flange 36 carried by the flexible line 18 is advantageously applied against the upper flange 73 carried by the curvature limiter 42.
- the releasable immobilization mechanism 46 is placed in its activation configuration.
- the retainer 80 is inserted through the lower flange 73 of the bend limiter 42 and through the upper flange 36 on the head 33.
- the retaining member 80 then protrudes beyond the lower flange 73 downward.
- the free end of the retaining member 80 is then introduced into the internal cavity 88 of the cage 84 between the movable members 82.
- the movable members 82 then occupy their contracted configuration engaged with the retaining member 80.
- the curvature limiter 42 is axially fixed to the flexible line 18.
- the curvature limiter 42 and the flexible line 18 are then movable together while being fixed to one another.
- the assembly formed by the flexible line 18 and the curvature limiter 42 is then immersed in the body of water 14.
- the winch 24 is activated to lower the cable 28 through the hollow rigid tube 40, then to connect the lower end of the cable 28 to the connection head 33.
- the line 18 and the curvature limiter 42 are then placed under the end flange 52 of the hollow rigid tube 40, away from it.
- the winch 24 is activated to raise the cable 28 towards the upper end 56 of the hollow rigid tube 40.
- the rise of the cable 28 causes the joint movement of the flexible line 18 and the curvature limiter 42 to the flange 52. of this displacement, the curvature limiter 42 is partially introduced into the rigid tube 40.
- the free ends of the pre-fixing members 75 pass over the flange 52 and are brought back into their contracted position to bear against the upper surface of the flange 52.
- the curvature limiter 42 then rests on the hollow tube 40, being held in position by the pre-fixing members 75.
- the fasteners 76 are put in place.
- the intermediate flange 68 of the curvature limiter 42 is then applied against the lower surface of the flange 52 and the fasteners 76 are inserted between the flange 68 and the flange 52 to ensure the axial attachment of the curvature limiter 42 to the end. lower part of the hollow rigid tube 40.
- the releasable immobilization mechanism 46 has passed into its deactivated configuration.
- the actuator 86 is driven to move the cage 84 from its distal position, shown in FIG. 6, to its proximal position, shown in FIG.
- Line 18 remains axially fixed relative to curvature limiter 12 during the passage.
- the flexible line 18 is free to move axially upwards with respect to the curvature limiter 42.
- the deactivation of the immobilization mechanism 46 is thus performed independently of the displacement of the flexible line 18, without the need to apply a traction force on the flexible line 18. This considerably limits the risk of deterioration of the flexible line 18.
- the reliability of the release of the flexible line 18 is increased, since it is not necessary to have calibrated mechanical parts such as pins. Even if a local traction stress accidentally applies to the flexible line 18, the releasable immobilization mechanism 46 is released only when the operator of the device 17 decides, which contributes to ensure reliability.
- the flexible line 18 is raised through the central lumen of the curvature limiter 42 and through the circulation passage of the hollow rigid tube 40, to the collector 26. During this ascent, the curvature limiter 42 remains stationary by compared to the tube 40.
- the line 18 is connected to the collector 26 to allow the flow of fluid between the bottom assembly (not shown) and the structure 16 at the surface.
- the step of installing the fasteners 76 is performed after the release of the immobilization mechanism 46, after the rise of the flexible line 18 out of the critical path of the operation.
- the pre-fixing members 75 are carried by the hollow rigid tube 40 and are for example mounted at the periphery of the lower flange 52 projecting downwards.
- the retaining member 80 of the releasable immobilization mechanism 46 is carried by the curvature limiter 42.
- the engagement assembly 81 is then carried by the hollow rigid tube 40.
- the retaining member 80 protrudes upwardly from the upper flange 73 of the curvature limiter 42. It is introduced into a through opening formed in the lower flange 36 of the head 33 to pass through this flange 36, to be engaged with the movable members 82 in the internal cavity 88 of the cage 84.
- the fixing assembly 44 comprises a support 200 mounted at the periphery of the intermediate flange 68 and having a portion 202 projecting downwards with respect to the flange 68.
- each pre-fixing member 75 is mounted in the projecting portion 202.
- the pre-fixing member has a longitudinal slot 204 receiving the axis ⁇ - ⁇ '. It is thus able to move longitudinally perpendicular to the axis B-B 'on a given stroke.
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
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- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- General Engineering & Computer Science (AREA)
- Supports For Pipes And Cables (AREA)
- Clamps And Clips (AREA)
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- Earth Drilling (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO12753739A NO2753790T3 (fr) | 2011-09-07 | 2012-09-05 | |
NZ623256A NZ623256B2 (en) | 2011-09-07 | 2012-09-05 | Method for connecting a flexible line to a structure of a fluid exploitation installation and associated connection device |
EP12753739.7A EP2753790B1 (fr) | 2011-09-07 | 2012-09-05 | Procédé de raccordement d'une ligne flexible sur une structure d'une installation d'exploitation de fluide et dispositif de raccordement associé |
AU2012306426A AU2012306426B2 (en) | 2011-09-07 | 2012-09-05 | Method for connecting a flexible line to a structure of a fluid exploitation installation and associated connection device |
AP2014007549A AP2014007549A0 (en) | 2011-09-07 | 2012-09-05 | Method for connecting a flexible line to a structure of a fluid exploitation installation and associated connection device |
BR112014005327A BR112014005327B8 (pt) | 2011-09-07 | 2012-09-05 | processo de ligação de uma linha flexível numa estrutura de uma instalação de produção de fluido e dispositivo de ligação |
US14/342,843 US9267336B2 (en) | 2011-09-07 | 2012-09-05 | Method for connecting a flexible line to a structure of a fluid exploitation installation and associated connection device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1157958 | 2011-09-07 | ||
FR1157958A FR2979658B1 (fr) | 2011-09-07 | 2011-09-07 | Procede de raccordement d'une ligne flexible sur une structure d'une installation d'exploitation de fluide et dispositif de raccordement associe |
Publications (1)
Publication Number | Publication Date |
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WO2013034574A1 true WO2013034574A1 (fr) | 2013-03-14 |
Family
ID=46785433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2012/067271 WO2013034574A1 (fr) | 2011-09-07 | 2012-09-05 | Procédé de raccordement d'une ligne flexible sur une structure d'une installation d'exploitation de fluide et dispositif de raccordement associé |
Country Status (9)
Country | Link |
---|---|
US (1) | US9267336B2 (fr) |
EP (1) | EP2753790B1 (fr) |
AP (1) | AP2014007549A0 (fr) |
AU (1) | AU2012306426B2 (fr) |
BR (1) | BR112014005327B8 (fr) |
FR (1) | FR2979658B1 (fr) |
MY (1) | MY176640A (fr) |
NO (1) | NO2753790T3 (fr) |
WO (1) | WO2013034574A1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2508919A (en) * | 2012-12-17 | 2014-06-18 | Flexible Engineered Solutions Ltd | Subsea connector assembly |
GB201321416D0 (en) * | 2013-12-04 | 2014-01-15 | Balltec Ltd | Apparatus and method for disconnecting male and female connectors |
FR3020396B1 (fr) * | 2014-04-25 | 2016-05-13 | Saipem Sa | Procede d'installation et mise en œuvre d'un tube rigide depuis un navire ou support flottant |
GB2550119A (en) * | 2016-05-05 | 2017-11-15 | Flexible Eng Solutions Ltd | Subsea connector |
KR102463728B1 (ko) * | 2016-09-28 | 2022-11-03 | 발모럴 콤텍 리미티드 | 신속 해제 연결 플랜지 |
EP3473801A1 (fr) * | 2017-10-18 | 2019-04-24 | Technip France | Appareil de montage d'une ligne flexible sur une installation de surface et procédé associé |
GB2625270A (en) * | 2022-12-09 | 2024-06-19 | S3N Ventus Ltd | A hang-off device for an end fitting of a subsea tubular |
GB2625269A (en) * | 2022-12-09 | 2024-06-19 | S3N Ventus Ltd | A connector assembly for emergency decoupling of a subsea end fitting of a movable subsea structure |
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WO1998023845A1 (fr) | 1996-11-22 | 1998-06-04 | Petróleo Brasileiro S.A. - Petrobrás | Dispositif de raccordement de colonne montante sous-marine souple a une structure en surface |
EP1561957A2 (fr) * | 2004-02-03 | 2005-08-10 | Delaware Capital Formation, Inc. | Ecrou fendu |
FR2926346A1 (fr) * | 2008-01-11 | 2009-07-17 | Technip France Sa | Dispositif de montage d'une ligne flexible sur une structure installation et procede associes |
WO2009156639A1 (fr) * | 2008-05-30 | 2009-12-30 | Technip France | Dispositif de montage d'une ligne flexible sur une structure, installation et procédé associés |
GB2463471A (en) * | 2008-09-11 | 2010-03-17 | First Subsea Ltd | System for automatic installation of riser and bend stiffener |
GB2469829A (en) * | 2009-04-29 | 2010-11-03 | Tri Star Ind Pte Ltd | Quick release nut |
CN201677169U (zh) * | 2010-05-20 | 2010-12-22 | 海泰斯(北京)工程设备有限公司 | 新型海下液压螺栓拉伸器 |
Family Cites Families (7)
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US6536527B2 (en) * | 2000-05-16 | 2003-03-25 | Abb Vetco Gray Inc. | Connection system for catenary riser |
US6367554B1 (en) * | 2000-05-26 | 2002-04-09 | Cooper Cameron Corporation | Riser method and apparatus |
US6422316B1 (en) * | 2000-12-08 | 2002-07-23 | Rti Energy Systems, Inc. | Mounting system for offshore structural members subjected to dynamic loadings |
FR2861156B1 (fr) * | 2003-10-17 | 2007-04-27 | Technip France | Tube de guidage pour conduite flexible de transport des hydrocarbures. |
NO325132B1 (no) * | 2004-03-31 | 2008-02-04 | Aker Subsea As | Konnektor |
US7472755B2 (en) * | 2004-06-28 | 2009-01-06 | Riggs David C | Method for inspection and repair of a flexible joint |
US7467914B2 (en) * | 2005-09-13 | 2008-12-23 | Technip France | Apparatus and method for supporting a steel catenary riser |
-
2011
- 2011-09-07 FR FR1157958A patent/FR2979658B1/fr not_active Expired - Fee Related
-
2012
- 2012-09-05 AU AU2012306426A patent/AU2012306426B2/en active Active
- 2012-09-05 MY MYPI2014000647A patent/MY176640A/en unknown
- 2012-09-05 WO PCT/EP2012/067271 patent/WO2013034574A1/fr active Application Filing
- 2012-09-05 US US14/342,843 patent/US9267336B2/en active Active
- 2012-09-05 AP AP2014007549A patent/AP2014007549A0/xx unknown
- 2012-09-05 EP EP12753739.7A patent/EP2753790B1/fr active Active
- 2012-09-05 BR BR112014005327A patent/BR112014005327B8/pt active IP Right Grant
- 2012-09-05 NO NO12753739A patent/NO2753790T3/no unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998023845A1 (fr) | 1996-11-22 | 1998-06-04 | Petróleo Brasileiro S.A. - Petrobrás | Dispositif de raccordement de colonne montante sous-marine souple a une structure en surface |
EP1561957A2 (fr) * | 2004-02-03 | 2005-08-10 | Delaware Capital Formation, Inc. | Ecrou fendu |
FR2926346A1 (fr) * | 2008-01-11 | 2009-07-17 | Technip France Sa | Dispositif de montage d'une ligne flexible sur une structure installation et procede associes |
WO2009156639A1 (fr) * | 2008-05-30 | 2009-12-30 | Technip France | Dispositif de montage d'une ligne flexible sur une structure, installation et procédé associés |
GB2463471A (en) * | 2008-09-11 | 2010-03-17 | First Subsea Ltd | System for automatic installation of riser and bend stiffener |
GB2469829A (en) * | 2009-04-29 | 2010-11-03 | Tri Star Ind Pte Ltd | Quick release nut |
CN201677169U (zh) * | 2010-05-20 | 2010-12-22 | 海泰斯(北京)工程设备有限公司 | 新型海下液压螺栓拉伸器 |
Also Published As
Publication number | Publication date |
---|---|
BR112014005327B1 (pt) | 2021-01-26 |
US9267336B2 (en) | 2016-02-23 |
MY176640A (en) | 2020-08-19 |
AP2014007549A0 (en) | 2014-03-31 |
AU2012306426A1 (en) | 2014-03-27 |
NO2753790T3 (fr) | 2018-04-14 |
NZ623256A (en) | 2015-08-28 |
US20140212221A1 (en) | 2014-07-31 |
BR112014005327A2 (pt) | 2017-04-04 |
AU2012306426B2 (en) | 2016-11-03 |
FR2979658A1 (fr) | 2013-03-08 |
BR112014005327B8 (pt) | 2021-02-09 |
FR2979658B1 (fr) | 2015-07-17 |
EP2753790A1 (fr) | 2014-07-16 |
EP2753790B1 (fr) | 2017-11-15 |
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