WO2011083268A1 - Ensemble de support d'au moins une conduite de transport de fluide à travers une étendue d'eau, installation et procédé associés - Google Patents
Ensemble de support d'au moins une conduite de transport de fluide à travers une étendue d'eau, installation et procédé associés Download PDFInfo
- Publication number
- WO2011083268A1 WO2011083268A1 PCT/FR2011/050004 FR2011050004W WO2011083268A1 WO 2011083268 A1 WO2011083268 A1 WO 2011083268A1 FR 2011050004 W FR2011050004 W FR 2011050004W WO 2011083268 A1 WO2011083268 A1 WO 2011083268A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- assembly
- lower section
- support
- anchor
- buoy
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 239000012530 fluid Substances 0.000 title claims description 30
- 238000000034 method Methods 0.000 title claims description 18
- 238000009434 installation Methods 0.000 claims description 29
- 230000000694 effects Effects 0.000 claims description 5
- 238000007654 immersion Methods 0.000 claims description 3
- 230000000284 resting effect Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000004873 anchoring Methods 0.000 abstract description 24
- 230000000712 assembly Effects 0.000 description 11
- 238000000429 assembly Methods 0.000 description 11
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000007667 floating Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/12—Laying or reclaiming pipes on or under water
- F16L1/20—Accessories therefor, e.g. floats, weights
- F16L1/24—Floats; Weights
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
- B63B21/507—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers with mooring turrets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
- B63B22/02—Buoys specially adapted for mooring a vessel
- B63B22/021—Buoys specially adapted for mooring a vessel and for transferring fluids, e.g. liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
- B63B22/04—Fixations or other anchoring arrangements
-
- 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
- E21B17/012—Risers with buoyancy 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/12—Laying or reclaiming pipes on or under water
- F16L1/20—Accessories therefor, e.g. floats, weights
Definitions
- Support assembly for at least one fluid transport pipe across a body of water, associated installation and method
- the present invention relates to a submerged assembly for supporting at least one fluid transport pipe across a body of water, of the type comprising:
- a support buoy intended to be totally immersed in the body of water, the buoy being kept at a distance from the bottom of the body of water under the effect of its own buoyancy, the buoy comprising at least one driving support surface;
- At least one anchor assembly comprising a base intended to be fixed in the bottom of the body of water
- At least one flexible anchor line connecting the anchor assembly to the support buoy
- the anchor line comprising at least one lower section.
- Such a support assembly is intended in particular to carry conduits conveying fluids between a production assembly, located on the bottom of a body of water, and a set of surface.
- the fluid transported by the transport pipe is in particular a mixture of liquid or gaseous hydrocarbons, which are collected from wells in the bottom of a body of water.
- GB 2 295 408 discloses an installation comprising a support assembly of the aforementioned type.
- This installation comprises a plurality of parallel transport conduits supported by the support assembly.
- Each conduit comprises a lower section formed by a semi-rigid riser extending catenary between the bottom assembly and the support assembly.
- Each conduit further includes a flexible upper section, referred to as the "jumper”, which connects the support assembly to the surface assembly.
- the upper flexible section has a J-shaped conformation. It is thus capable of damping the relative movements of the surface assembly that are due in particular to waves, wind, waves and / or marine currents.
- the support assembly comprises a buoy completely immersed under the surface of the body of water to a depth sufficient for the horizontal movements of the buoy related to currents and agitation of the extent of surface water is minimal.
- each anchor line is attached at its lower end to the bottom of the body of water through an anchor assembly.
- Such a submerged support assembly is sturdily secured and allows the support buoy and the pipes to be held in a satisfactory position relative to the bottom of the body of water.
- the support must be maintained substantially horizontal in the body of water.
- the voltage applied to each anchor line must be adjusted to balance the position of the support buoy and prevent certain anchor lines from undergoing excessive tensile stresses.
- An object of the invention is therefore to provide a support assembly of a plurality of pipes which comprises a totally submerged support buoy, fixed by anchoring lines on the bottom of the body of water, the support buoy that can be positioned very precisely and very balanced in the body of water.
- the subject of the invention is an immersed assembly of the aforementioned type, characterized in that the anchor assembly comprises:
- a device for guiding the lower section the lower section being movably mounted in the guide device with respect to the base between an expanded configuration, in which the height of the anchor line projecting above the base is at a maximum , and a contracted configuration in which the height of the anchor line above the base is minimal;
- the immersed assembly according to the invention may comprise one or more of the following characteristics, taken separately or in any technically possible combination:
- the lower section of the anchor line is formed of chain links;
- the anchor line comprises an upper section formed of a cable, in particular based on a cord of son, the length of the lower section advantageously being less than 20% of the length of the upper section;
- the guide device comprises a tubular member for passage of the lower section, the lower section being engaged through a passage in the tubular member;
- the tubular member comprises at least one angular indexing member of the lower section relative to a lower section of the flow axis in the passage, the angular indexing member protruding into the passage;
- the tubular member defines an upper guide surface diverging upwardly away from the base;
- the guide device comprises a fixed armature, the tubular member being articulated relative to the fixed armature around at least one substantially horizontal axis of rotation.
- the releasable locking member is movable in rotation together with the tubular member relative to the fixed armature;
- the guide device comprises at least one pulling mechanism of the lower section adapted to move the lower section to its contracted configuration
- the releasable locking member is movably mounted relative to the lower section between a disengaged position of the lower section and an engagement position on the lower section;
- the guiding device comprises at least one guide pulley provided with hook members of the lower section, the support assembly comprising at least one pulling mechanism of the lower section disposed away from the anchor assembly; ;
- the guiding device is removably mounted on the base;
- the locking member is carried by the base of the anchoring assembly.
- the invention also relates to a fluid exploitation installation through a body of water, of the type comprising:
- the invention further relates to a method of setting up a fluid exploitation installation as described above, characterized in that it comprises the following steps:
- the method according to the invention may comprise one or more of the following characteristics, taken alone or in any combination (s) technically possible (s):
- the fixing step comprises the temporary fixing of the lower section on the anchor assembly and the vertical suspension of the anchor line by means of a fully immersed float, then the fixing of the or each line anchoring on the support buoy;
- the method includes a step of laying the transport pipe, the laying step comprising placing a lower portion of the transport pipe between the bottom assembly and the support assembly, and placing placing an upper portion of the transport line between the support assembly and the surface assembly, and connecting the lower section to the upper section; and
- the establishment of the lower section of the transport pipe comprises the fixing of a flexible link in the vicinity of an upper end of the lower section of the transport pipe, the flexible link comprising a hooking abutment on the buoy of support;
- the invention further relates to a method of setting up a fluid exploitation installation, the installation comprising:
- a support assembly of at least one fluid transport pipe across a body of water comprising: * A support buoy to be fully immersed in the body of water, the buoy being kept away from the bottom of the body of water under the effect of its own buoyancy, the buoy comprising at least one driving support surface;
- At least one anchor assembly comprising a base intended to be fixed in the bottom of the body of water;
- the installation comprising:
- At least one fluid transport pipe connecting the bottom assembly to the surface assembly, at least one section of the transport pipe being placed in abutment on the support surface of the buoy;
- the laying step comprising the establishment of a lower section of the transport pipe between a bottom assembly and the support assembly, and the establishment of an upper section of the transport pipe between the support assembly and a surface assembly, and the connection of the lower section to the upper section,
- the method, installation and support assembly may include one or more of the foregoing features, taken alone or in any technically possible combinations.
- the installation comprises a plurality of transport pipes, the introduction of each lower section of a transport pipe comprising the fixing of a flexible link in the vicinity of an upper end of the lower section. of the transport pipe, the flexible link comprising a hooking abutment on the support buoy, the temporary fixation of the hooking abutment on the support buoy, and once the hooking stops of all the flexible links fixed. on the buoy, the pull of each flexible link to raise the upper end of the lower section of the transport pipe on the support buoy.
- the support assembly does not necessarily include a device for guiding the lower section of the anchor line, the lower section of the anchor line being mounted movably in the guide device relative to the base between an expanded configuration, wherein the height of the anchor line projecting above the base is maximum, and a contracted configuration in which the height of the anchor line above the base is minimal or a releasable locking member in vertical position of the anchor line on the anchor assembly.
- the method does not necessarily involve moving the lower section of the anchor line relative to the anchor assembly through the guide device to adjust the height of the anchor line projecting above the anchor line. base, nor engagement of the locking member on the anchor line to maintain in vertical position the anchor line relative to the anchor assembly.
- FIG. 1 is a schematic side view of a fluid exploitation installation, comprising a first immersed support assembly according to the invention
- FIG. 2 is a view from above of the support buoy of the support assembly of FIG. 1;
- FIG. 3 is a side view of an anchoring element of the support buoy shown in FIG. 2;
- FIG. 4 is an enlarged view of a marked detail IV of the device for guiding and retaining the anchoring element shown in FIG. 3;
- FIG. 5 is a view taken in section along a median vertical plane of the detail shown in Figure 4;
- FIG. 6 is a partial top view of the anchor element shown in Figure 3;
- FIG. 7 is a side view of the fastening means of the anchor line on the support buoy
- FIG. 8 to 12 are schematic views similar to Figure 1 successive steps of a method of placing the immersed support assembly according to the invention in the body of water;
- FIGS 13 to 16 are partial perspective views of three-quarter faces of the support buoy, in successive steps of the method of placing the fluid transport lines on the support buoy;
- FIG. 17 is a perspective view from above of an anchoring line fixing step according to the invention, in a variant of the placing method according to the invention.
- FIG. 18 is a view similar to Figure 3 of the anchoring element of a second installation according to the invention.
- FIG. 19 is a view similar to Figure 3 of the anchoring element of a third installation according to the invention.
- This installation 10 is intended to convey a fluid collected in the bottom 12 of a body of water 14 to the surface 16 of the body of water.
- the fluid is advantageously a mixture of liquid and / or gaseous hydrocarbons.
- the body of water 14 is for example an expanse of salt water such as a sea or an ocean, or an expanse of fresh water, such as a lake.
- the depth of the water body 14, taken opposite the installation 10 between the bottom 12 and the surface 16 is greater than 800 meters and is in particular between 800 meters and 3000 meters.
- the installation 10 comprises a bottom assembly 18 intended to collect the fluid extracted from the bottom 12 of the body of water, a set of surface 20 at least partially disposed above the surface. 16 of the water body 14, and at least one fluid transport pipe 22 between the bottom assembly 18 and the surface assembly 20.
- the installation 10 comprises a plurality of pipes 22 arranged in parallel, for example between 2 and 20 transport pipes 22.
- the installation 10 further comprises a first immersed assembly 24 supporting the or each pipe 22.
- the bottom assembly 12 is, for example, a fixed underwater installation comprising a wellhead, a manifold, and / or another collector and delivering a product coming from a reservoir of fluid located beneath the surface of the surface. 'water.
- the entire surface 20 is partially immersed in the body of water. It includes for example a floating platform or a floating unit for production, storage and discharge of fluid designated by the acronym "FPSO”.
- This assembly 20 comprises at least one fluid reservoir and means for discharging the fluid (not shown) from the reservoir for conveying this fluid to an installation located on the ground.
- the submerged assembly 24 comprises a submerged buoy 26 for supporting and guiding the pipes 22, a plurality of anchor assemblies 28 fixed in the bottom 12 of the body of water 14 and a plurality of anchoring lines 30 connecting each anchor assembly 28 to the buoy 26.
- the submerged buoy 26 comprises, in this example, two longitudinal horizontal retaining caissons 32, at least one transverse caisson 34 connecting the two longitudinal caissons 32 and a guide and support assembly 36 or each duct 22.
- the buoy 26 further comprises mooring assemblies 38 for each anchor line 30.
- the longitudinal boxes 32 extend parallel to a substantially horizontal central axis A-A '.
- the buoy 24 comprises three parallel transverse boxes 34 arranged perpendicular to the axis A-A 'in the vicinity of a rear end 40 of each longitudinal box 32.
- the submerged buoy 26 In projection in a horizontal plane, the submerged buoy 26 has a substantially open U-shape between the front ends 42 of the longitudinal boxes 32.
- the distance between the longitudinal boxes 32 between them is substantially equal to the length of these boxes.
- the guide assembly 36 comprises, for each pipe 22, an arc 44 of pipe support, a channel 46 for guiding the pipe 22, disposed at the top of the arch 44, and a connecting arm 48 disposed at the foot of the arch 44.
- the arches 44 are each fixed by their lower ends on the boxes 34. They overlap each box 34 extending substantially in vertical planes parallel to the axis A-A ' .
- Each arch 46 defines an upper bearing surface 50 on which runs at least one section of the pipe 22.
- the arches 44 are formed integrally by being connected to each other.
- each surface 50 has a concave shape directed upwards.
- Each channel 46 protrudes vertically from the bearing surface 50, at the top of the arch 44.
- Each channel 46 defines a longitudinal passage 52 for guiding the pipe 22 opening longitudinally on either side of the channel 46.
- the transverse extent of the passage 52 is substantially equal to the outside diameter of the pipe 22 resting on the arch 44 .
- the passages 52 of the different channels 46 extend parallel to each other to allow a parallel arrangement of the pipes 22 and eliminate the risk of entanglement of these pipes 22 between them.
- Each connecting arm 48 protrudes longitudinally from a lower end of each arch 44 located between the caissons 32.
- Each arm 48 defines an internal passageway passageway slot 54 of vertical or inclined axis.
- the light 54 opens longitudinally forwards by an insertion slot 56 of a flexible guide link, as will be seen below.
- each mooring assembly 38 of an anchor line 30 comprises a receptacle 60 and a gripping arm 62.
- the receptacle 60 is fixed on a box 32, 34 of the buoy 26 by a connecting arm 64.
- the receptacle 60 has a substantially C-shaped horizontal section. It delimits a frustoconical interior cavity 66 converging towards the bottom and opening away from the casing 32, 34 by a vertical slot 68 for passing the mooring.
- the gripping arm 62 has, at its free end, a jaw 70 able to grip a peripheral surface of the duct 22.
- the first assembly 24 comprises a plurality of mooring assemblies 38 distributed around the buoy 26.
- it comprises several pairs 72A to 72D of adjacent mooring assemblies 38.
- a first pair 72A and a second pair 72B are fixed transversely respectively on the longitudinal boxes 32, on the surface of these boxes 32 located away from the axis A-A '.
- Two pairs 72C, 72D protrude longitudinally from the rear end
- the number of anchor lines 30 is advantageously equal to the number of mooring assemblies 28.
- Each line 30 comprises, from top to bottom in FIG. 1, a fixing head 80 on the buoy 26, an upper section 82 formed of a cable, and according to the invention, a lower section 84 formed of a chain.
- the fastening head 80 comprises a connecting ring 86, a flexible cone 88 engaging in the receptacle 60, and a stiffening tube 90 intended to be grasped by the jaws 70 of the gripping arm 62.
- the cone 88 has an outer peripheral surface of shape complementary to that of the frustoconical cavity 66.
- the tube 90 is more rigid than the upper section 82. It extends over a length of less than 10% of the length of the anchor line 30, taken between the fixing head 80 and the lower end (not visible). of the lower section 84.
- the upper section 82 is made for example by a cable formed of a strand or a rope of metal or synthetic son, referred to as "wire rope” or “synthetic rope”.
- the lower section 84 forms a chain of closed links 92 assembled together.
- the successive links 92 of the chain are oriented in planes perpendicular to each other when the lower portion 84 is kept under vertical tension.
- each link is greater than 400 mm and the width of each link is greater than 200 mm.
- the length of the lower section 84 is less than 20% of the length of the anchor line 30, as defined above. This length is for example between 5 m and 20 m.
- the lower section 84 is attached to a lower end 94 of the upper section 82. In this example, this attachment is permanent.
- the anchor lines 30 are arranged in pairs. They are maintained substantially vertically under tension when they are connected on the one hand to the buoy 26 and on the other hand to the anchoring assemblies 38.
- each anchoring assembly 28 comprises a base 100 fixed in the bottom of the body of water, and at least one guiding device 1 10 of an anchor line 30 mounted on the base 100.
- Each anchor assembly 28 further comprises means 1 12 for fixing the or each guide device 1 10 on the base 100 and, for each line 30, a releasable locking member 1 14 of the line 30 in its vertical position .
- the base 100 is common to two guiding devices 1 10 of two adjacent anchor lines 30.
- the base 100 advantageously comprises a substantially cylindrical pile 1 16 partially embedded in the bottom of the body of water 12.
- the stack 1 16 delimits an upper support wall 1 18 guiding devices and a side wall 120 defining an interior volume opening downwards.
- the battery 1 16 is advantageously a suction cell provided with at least one suction valve (not shown) of the interior volume.
- the base 100 comprises a gravity base, a "torpedo" type battery or an anchor.
- the guiding device 1 10 comprises a fixed armature 130 and a guide member 132 articulated on the fixed armature 130 via a universal joint 134.
- the guiding device 1 10 further comprises a traction mechanism 136 of the lower section 84 of the anchor line 30.
- the fixed armature 130 includes a base box 138 attached to the battery 1 16, and a support tripod 140 for carrying the guide member 132, the tripod 140 projecting upwardly from the base box 138.
- the base box 138 is hollow. It internally defines a ballast receiving tank 142, which is adapted to also receive the portion of the lower section 84 which is not suspended vertically under the upper section 82.
- the tripod 140 includes a plurality of legs 144 and a support plate 146 disposed away from and above the well 138.
- the legs 144 extend inclined with respect to a vertical axis to converge towards the plate 146, in order to ensure a good recovery of the forces applying to the device 1 10.
- the plate 146 defines an internal slot 148 extending longitudinally parallel to the axis A-A '.
- the slot 148 allows relative movements of the guide member 132 relative to the armature 130 and the base 100, at least in a longitudinal direction.
- the height separating the plate 146 from the caisson 142 is greater than at least the height of four successive chain links 92 on the lower section 84.
- the guiding member 132 comprises a tubular sleeve 150 for guiding, extended upwards by a funnel 152 for insertion of the lower section 84.
- the guiding member 132 further comprises at least one inner rib 154 of angular indexing of the lower section 84 about a vertical insertion axis B-B '.
- the guide sleeve 150 is fixed on the universal joint 134. It projects upwardly through the slot 148 above the plate 146.
- the length of the guide tube 150 is greater than the height of a chain link 92, advantageously at the height of at least three chain links 92 held vertically engaged in each other.
- the funnel 152 diverges upwards away from the guide tube 150. As will be seen below, the funnel 152 is intended to facilitate the reception of the lower end of the lower section 84 when connecting the line. 30.
- the funnel 152 and the guide tube 150 define internally a substantially vertical passage 156 for the circulation of the lower section 84.
- the passage 156 extends along the axis BB 'and opens upwards through the funnel 152 and downwardly through the lower end of the tube 150.
- the guide ribs 154 protrude vertically into the passage 156 from the guide tube 150 and the funnel 152. They are angularly distributed around the axis B-B 'to define an inner section of the passage 156 in the form of a cross.
- This arrangement of the ribs 154 makes it possible to angularly index the successive chain links 92 arranged at right angles to the lower section 84, when the section 84 is introduced into the guide member 132.
- the universal joint 134 has an outer yoke 158 fixed under the plate 146, an outer rotary member 160 rotatably mounted in the yoke 158 about a first horizontal axis CC and a second rotatable inner member 162 rotatably mounted in the outer rotary member 160 about an axis DD 'perpendicular to the axis CC.
- the guide tube 150 of the guide member 132 is fixed on the inner rotary member 162.
- the inner rotational member 162 defines a vertical passage 164 into which the vertical passage 156 of the guide member 132 opens.
- the guide member 132 is rotatably mounted relative to the fixed armature 130 around two horizontal perpendicular axes of rotation C-C and D-D '.
- the guide tube 150 and the funnel 152 are movable in the slot 148 to absorb the horizontal displacements of the support buoy 26 which can cause an inclination of the lines 30 with respect to a vertical axis.
- the maximum angular displacement of the guide member 132 relative to the vertical is at least 30 °, preferably at least 40 ° around the two axes BB 'and CC in both directions of rotation.
- the traction mechanism 136 comprises a member 170 for engaging the lower section 84 and a jack 172 for moving the engagement member 170 along the axis B-B '.
- the engagement member 170 includes a fork defining two fingers 174 for application on a chain link 92, and a slot 176 for inserting a chain link 92 between the fingers 174.
- the jack 172 comprises two parallel jack rods 178 interconnected by an actuating handle 180 that can advantageously be gripped by an external remote-controlled vehicle to actuate the rods 178.
- the engagement member 170 is attached to the lower end of the rods 178 to be movable together with the rods 178 relative to the armature 130.
- the rods 178 are displaceable in translation parallel to the axis B-B 'of the guide member 132 between a retracted upper position and a deployed lower traction position of the lower section 84 towards the base 100.
- the movement of the rods 178 is caused by moving the handle 180 downwards.
- the rods 178 are hydraulically actuated via a control fluid.
- the locking member 1 14 is able to hold the lower section 84 in position relative to the guide device 1 10.
- the locking member 1 14 in position of the lower section 84 is formed by a fork structure similar to that of the engagement member 180.
- the member 1 14 comprises two fingers 190 delimiting between them a slot 192 inserting a link 92.
- the locking member 1 14 is pivotally mounted relative to the frame 130 between a locking position substantially perpendicular to the axis BB 'and a position of release of the passage of the lower section 84 inclined or parallel to the axis B- B '.
- the locking member 1 16 is articulated on the yoke 158 of the universal joint 134.
- the fingers 190 are disposed in an upper abutment against the yoke 158.
- the yoke 158 forms a locking stop in the upward rotation of the locking member 1 14, especially when a link 92 of the chain is applied under the finger 190 and that the section 84 is urged upwards by pulling the buoy 26.
- Section 84 is free to move down along the BB 'axis by sliding on an upper surface of the fingers 190.
- the lower portion 84 is adapted to be displaced relative to the base 100 through the guide member 132, upon placement of the support assembly 24, between an expanded configuration, wherein the length of the section 84 protrusion vertically above the base 100 is maximum, and a configuration contracted on the base 100, wherein the height of the section 84 which protrudes above the base 100 is minimal.
- the downward movement of the section 84 is advantageously caused by the actuation of the cylinder 172 to move the engagement member 170 downwards. This displacement requires the release of the locking member 1 14.
- the attachment means 1 12 of the device 1 10 on the base 100 comprise hooks 196 preferably integral with the base 100, and intended to hook on the fixed armature 130 of each guide device 1 10.
- the hooks 196 are distributed around the periphery of the upper wall 1 18.
- Each fluid transport pipe 22 comprises a lower section 200 arranged in a chain between the bottom assembly 18 and the support buoy 26, and a flexible upper section 202 in the shape of a wave, arranged between the support buoy 26 and the surface assembly 20.
- the lower section 200 is connected at its lower end to the bottom assembly 18. In the example shown in FIG. 2, it has an upper end 204 connected to a connection arm 48.
- the lower section 200 is advantageously formed of a flexible or semi-rigid pipe.
- the upper section is formed of a flexible pipe of the unbound type of companies FLEXI FRANCE or FLEXIBRAS as defined by API 17J or API RP 17B.
- the upper portion 202 has an upstream portion 206 disposed in abutment on the upper surface 50 of the arch 44 and engaged through the gutter 46, and a downstream portion 208 J-shaped extending between the arch 44 and the surface assembly 20 across the body of water 14.
- each base 100 is brought, by means of a laying ship 230, facing the bottom region 12 of the body of water 14 on which it must be placed.
- the base 100 is then lowered by means of a crane 232 to be placed and then anchored in the bottom 12.
- the side wall 120 of the cell 1 16 then partially enters the bottom of the body of water 12 and the suction valves are connected to a vacuum pump to suck the gas volume present under the upper wall 1 18 between the wall side 120 of the battery 1 16.
- a first guide device 1 10 is lowered into the body of water from the laying ship 230.
- the guiding device 1 10 is placed on the base 100 and is fixed on the base 100 through the hooks 196 of the fastening means 1 12, as shown in Figure 9.
- the lower section 84 of an anchor line 30 is connected to a second guide device 1 10.
- the links 92 of the lower section 84 are introduced into the guide member 132 through the funnel 152, then through the guide tube 150 being oriented angularly about the axis BB 'by the ribs guidance 154.
- the section 84 is then partially lowered into the base box 138 of the fixed armature 130, then the locking member 1 14 is activated to lock in axial position along the vertical axis BB 'the lower section 84 relative to to the guiding device 1 10.
- a temporary float 234 is connected to the upper end of the line 30 between the crane 232 and the line 30.
- the crane 232 is then maneuvered to completely immerse the second guide device 10, the line 30 and the float 234, and place them substantially vertically until the second guide device 10 is applied against the base 100 to side of the first guide device 1 10 previously installed on this base 100.
- the second guiding device 1 10 is hooked on the base 100 by means of the fixing means 1 12.
- the float 234 is then released from the crane 232. Under the effect of its buoyancy, the float 234 maintains the line 30 in a vertical configuration above the base 100.
- ballast element 240 is hooked under the buoy 26 to descend to the anchor lines 30. During this descent, the buoy 26 is suspended from two cables 242 carried respectively by ships laying 244A, 244B.
- the buoy 26 is then disposed between the heads 80 of the lines 30 previously installed.
- the fixing head 80 of each line 30 is then introduced into a respective mooring assembly 38.
- the conical abutment 88 is introduced into a receptacle 60 and the tube 90 located under the abutment 88 is received in a gripping arm 62.
- the ballast element 240 is detached from the support buoy 26 and is raised to the surface via a laying ship 244A, 244B.
- the buoy 26 is then advantageously deballasted by pumping a gas inside the boxes 32, 34 to increase its buoyancy.
- the buoy 26 is then urged towards the surface 16 under the effect of its own buoyancy.
- each anchoring line 30 which tends vertically between the anchoring element 28 and the buoy 26.
- the vertical retention of the buoy 26 is ensured in particular by the cooperation between the conical abutment 88 and the receptacle 60.
- the height of the lower sections 84 projecting above the base 100 is adjusted via the traction mechanism 136.
- a submarine remote-controlled vehicle 250 is thus lowered opposite the traction mechanism 136 to actuate the handle 180 of each jack 172 and to jointly lower the rods 178 and the engagement member 170 towards the base 100, after release of the locking member 1 14.
- An increasing length of the section 84 is thus swallowed in the box 138 until the desired voltage and length are obtained on the line 30.
- the locking member 1 14 is then put back in place to maintain the vertical position of the section. 84.
- a second group of anchor lines 30 is fixed between the anchor assemblies 28 and the support buoy 26.
- the line 30 is lowered at its upper end by the crane 232, and at its lower end 92 by an auxiliary wire 236.
- the line 30 is first introduced in a set of mooring 38, then the lower section 84 is guided towards the first guide device 1 10 via the rope 236.
- the links 92 of the section 84 are then introduced into the guide member 132 through successively the funnel 152, the guide tube 150, and are extracted through the passage 156 to the base box 138.
- the locking member 1 14 is then activated by engaging the fingers 190 on the lower section 84. As previously described, the height of the base section 84 projecting above the base 100 is then adjusted via of the traction mechanism 136.
- a guiding device 1 10, provided with a traction mechanism 136 and a releasable locking member 1 14, thus makes it possible, in combination with the structure of each anchor line 30, to adjust in a simple manner and specifies the positioning of the submerged buoy support 26, and the active length of each line 30. This facilitates the installation and subsequent use of the support assembly 24 and prevents the voltage applied to each anchor line 30 sort of defined specifications.
- each pipe 22 is placed on the bottom 12 of the body of water 14. It is hanged in a chain by its upper end 260 by means of a traction cable 262 provided with an attachment stop 264 on the submerged buoy 26.
- the abutment 264 is disposed at a small distance from the end of the lower section 200, for example at a distance less than 10% of the length of the section 200.
- the cable 262 has a greater flexibility than the lower section 200. It can therefore be oriented substantially vertically when the lower portion 200 is hung in a chain at its lower end.
- the abutment 264 is then placed in a connection arm 48 to temporarily hold the lower section 200 in suspension under the buoy 26 by means of the cable 262.
- the angular tolerance of inclination of the stop 264 with respect to a vertical axis can be reduced to a minimum, for example to a value of less than 6 °.
- the design of the connecting arms 48 is facilitated.
- buoy 26 does not undergo strong angular constraints during the implementation in parallel of the different lower sections 200.
- each section 200 is successively pulled towards the connecting arm 48 by pulling on the cable 262, as illustrated in FIG. 15. The upper end of each section 200 is then fixed in the connecting arm 48.
- the flexible upper sections 202 are then descended from the surface.
- Each upper section 202 is disposed resting on the upper surface 50 of the support arch 44 to be connected to each lower section 200.
- At least two adjacent anchoring lines 30 are connected to the same float 234 during the placement of the buoy 26.
- the lines 30 are hung on a horizontal beam 270 of spacing to be arranged parallel to each other at a distance corresponding to the distance between the receptacles 60 of two adjacent docking assemblies 38.
- the guiding devices 1 10 connected to the same base 100 are successively lowered into the body of water to be fixed on the base 100, independently of the anchoring lines 30, without receiving a lower section 84. Then, the lower sections 84 of the two parallel lines, carried by the float 234 and the beam 270 are introduced into the guide device 10 and are respectively fixed by the locking members 1 14 of each device 1 10.
- the assembly formed by the float 234, the beam 270, and the fixing heads 80 of the lines 30 is towed substantially horizontally to the mooring assemblies 38.
- the heads 80 are then introduced simultaneously into the corresponding receptacles 66.
- the guiding device 1 10 of a second assembly 280 according to the invention is shown in FIG. 18.
- the device 1 10 comprises a toothed guide pulley 282 rotatably mounted on the armature 130 about a horizontal axis E-E '.
- the pulley 282 includes notches 284 adapted to engage in the various chain links 92.
- the notches 284 protrude radially into the groove of the pulley 282.
- the armature 130 comprises a chain support channel 286 delimiting a concave channel support surface 287 located above the pulley 282.
- the armature 130 further comprises a base 286 for supporting an upper end of the section 84. which protrudes upwards and away from the pulley 282.
- the releasable locking member 1 14 is moreover carried by the armature 130 while being arranged facing the upper wall 1 18.
- the traction mechanism 136 is formed by a winch independent of the anchoring assembly 28.
- the winch can be raised to the surface once the tension and the length of the lower section 84 are adjusted.
- the lower section 84 is detachably connected to the upper section 82 via a connector 290.
- the connector 290 comprises a connection head 292 fixed on the upper end of the lower section 84 and adapted to be engaged by a sleeve 294 secured to the lower end of the section 82.
- the head 292 is received at rest on the support base 288.
- the head 292 and the socket 294 are of the "Delmar" type.
- the assembly of the second assembly 280 differs from the assembly of the first assembly 24 in that initially the lower section 84 is brought to rest by the guide device 1 10. In this configuration, the head 292 is received on the base 288. The chain links 92 then extend on the support channel 286, then pass around the pulley 282 engaged in the notches 284 before passing into the locking member 1 14.
- the upper section 82 is then lowered into the body of water as previously described.
- the sleeve 294 for gripping the head 292 is brought near the base 288 to grip the head 292 and connect the upper section 82 to the lower section 84.
- the lower section 84 is then extracted from the channel 286 and tends vertically in the axis B-B 'of the upper section 82.
- a pulling mechanism 134 is connected to the lower end 296 of the lower section 84.
- the locking member 11 is then disengaged from the section 84 and the traction mechanism 136 pulls on the lower section 84 to adjust the effective section height 84 projecting above the base 100.
- the section 84 is guided by the pulley 282.
- the latch member 14 is reengaged to lower section 84, and pull mechanism 136 is disconnected.
- this assembly 298 comprises a toothed pulley 282 common to two guide assemblies 1 10 to receive the single chain forming the lower portion 84 of the two adjacent lines 30.
- the tension and the height of each line 30 is set relatively between the lines 30 by moving the section 84 around the pulley 282.
- the immersed support assembly comprises a device for guiding an upper portion of the anchor line 30 carried by the support buoy 26.
- the upper section of the anchor line is advantageously formed of chain links.
- the upper section is movably mounted in the guide device relative to the buoy 26 between an expanded configuration, in which the height of the anchor line 30 projecting above the base 100 is maximum, and a configuration contracted in which the height of the anchor line 30 above the base 100 is minimal.
- the submerged assembly then comprises a releasable locking member 1 14 of the line 30 on the buoy in its vertical position.
- the guiding device is similar to the guiding devices 1 10 described above.
- the line 30 is not necessarily provided with a lower section formed of chain links 92 and the anchor assembly 28 does not necessarily include a guide device 1 10 carried by the base 100.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ocean & Marine Engineering (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Bridges Or Land Bridges (AREA)
- Supports For Pipes And Cables (AREA)
- Revetment (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/520,434 US8893802B2 (en) | 2010-01-05 | 2011-01-04 | Assembly for supporting at least one fluid transport pipe through an expanse of water, and associated facility and method |
BR112012016590-9A BR112012016590B1 (pt) | 2010-01-05 | 2011-01-04 | conjunto imerso de suporte de pelo menos um conduto de transporte de fluido atraves de uma extensão de água, instalação de exploração de fluido atraves de uma extensão de água e processo de implantação |
AU2011204548A AU2011204548B2 (en) | 2010-01-05 | 2011-01-04 | Assembly for supporting at least one fluid transport pipe through an expanse of water, and associated facility and method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1050028 | 2010-01-05 | ||
FR1050028A FR2954966B1 (fr) | 2010-01-05 | 2010-01-05 | Ensemble de support d'au moins une conduite de transport de fluide a travers une etendue d'eau, installation et procede associes. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011083268A1 true WO2011083268A1 (fr) | 2011-07-14 |
Family
ID=43016693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2011/050004 WO2011083268A1 (fr) | 2010-01-05 | 2011-01-04 | Ensemble de support d'au moins une conduite de transport de fluide à travers une étendue d'eau, installation et procédé associés |
Country Status (5)
Country | Link |
---|---|
US (1) | US8893802B2 (fr) |
AU (1) | AU2011204548B2 (fr) |
BR (1) | BR112012016590B1 (fr) |
FR (1) | FR2954966B1 (fr) |
WO (1) | WO2011083268A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2506938A (en) * | 2012-10-15 | 2014-04-16 | Subsea 7 Ltd | Subsea riser support buoy with spaced tether attachment points |
WO2014081317A1 (fr) * | 2012-11-23 | 2014-05-30 | Riser Support Systems | Ancre, procédé d'installation d'arche avec ancre à mi-profondeur, utilisation d'une ancre, et système d'arche à mi-profondeur pour colonnes montantes flexible comprenant une ancre |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2967451B1 (fr) * | 2010-11-17 | 2012-12-28 | Technip France | Tour d'exploitation de fluide dans une etendue d'eau et procede d'installation associe. |
FR2971762B1 (fr) * | 2011-02-22 | 2015-05-01 | Technip France | Systeme de transfert d'un fluide, notamment du gaz de petrole liquefie entre une premiere installation de surface et une deuxieme installation de surface |
FR3005484B1 (fr) | 2013-05-13 | 2017-12-22 | Saipem Sa | Dispositif d'ancrage d'un support de goulottes d'une installation fond-surface |
FR3033358B1 (fr) * | 2015-03-06 | 2017-03-31 | Saipem Sa | Installation comprenant au moins deux liaisons fond-surface comprenant des risers verticaux relies par des barres articulees |
US10724826B1 (en) | 2018-12-12 | 2020-07-28 | Breaching Technologies, Inc. | Ballistic chain cutting device |
WO2021089505A1 (fr) * | 2019-11-05 | 2021-05-14 | National Oilwell Varco Denmark I/S | Installation en mer et procédé d'amarrage d'un tuyau flexible sous-marin |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2180809A (en) * | 1985-09-24 | 1987-04-08 | British Petroleum Co Plc | Tethered buoyant system |
GB2295408A (en) | 1994-10-12 | 1996-05-29 | Mobil Oil Corp | Marine steel catenary riser system |
US6206742B1 (en) * | 1997-01-15 | 2001-03-27 | Abb Offshore Technology As | Buoyancy device and method for using same |
US20040161984A1 (en) * | 2003-02-14 | 2004-08-19 | Lima De Almeida Jose Carlos | Subsurface buoy and methods of installing, tying and dynamically stabilizing the same |
WO2009156695A1 (fr) * | 2008-06-27 | 2009-12-30 | Technip France | Procédé d'installation d'une tour hybride dans une étendue d'eau, tour hybride et installation d'exploitation de fluides associée |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA956522A (en) * | 1972-07-04 | 1974-10-22 | Hermes Electronics Limited | Deep-sea slack wire mooring system |
US3906564A (en) * | 1972-12-15 | 1975-09-23 | Us Navy | Remotely controlled underwater instrument system |
US3965512A (en) * | 1975-02-10 | 1976-06-29 | Bunker Ramo Corporation | Precise navigation buoy |
US4459931A (en) * | 1978-10-07 | 1984-07-17 | Fmc Corporation | Method and apparatus for tension setting and compression releasing tubular connectors |
US4303037A (en) * | 1979-02-26 | 1981-12-01 | International Moorings & Marine, Inc. | Single point mooring system |
US4358834A (en) * | 1981-04-16 | 1982-11-09 | The United States Of America As Represented By The Secretary Of The Navy | Self-deploying buoy system |
EP0251488B1 (fr) * | 1986-06-05 | 1991-11-06 | Bechtel Limited | Dispositif de colonnes montantes souples et son procédé d'utilisation |
US5505560A (en) * | 1993-10-26 | 1996-04-09 | Offshore Energie Development Corporation (Oecd) | Fluid transfer system for an offshore moored floating unit |
US5957074A (en) * | 1997-04-15 | 1999-09-28 | Bluewater Terminals B.V. | Mooring and riser system for use with turrent moored hydrocarbon production vessels |
FR2766869B1 (fr) * | 1997-08-01 | 1999-09-03 | Coflexip | Dispositif de transfert de fluide entre un equipement de fond sous-marin et une unite de surface |
ES2217835T3 (es) * | 1998-11-23 | 2004-11-01 | Foster Wheeler Energy Limited | Soporte flotante afianzado para conductos elevadores hasta una plataforma de produccion flotante. |
EP1226068B1 (fr) * | 1999-11-01 | 2004-04-28 | Offshore Energy Development Corporation | Procede de connexion de ligne d'ancrage sous-marine et connecteur associe |
FR2821143B1 (fr) * | 2001-02-19 | 2003-05-02 | Bouygues Offshore | Installation de liaison fond-surface d'une conduite sous-marine installee a grande profondeur du type tour-hybride |
FR2839110B1 (fr) * | 2002-04-29 | 2004-12-03 | Technip Coflexip | Systeme de colonne montante reliant une installation sous-marine fixe a une unite de surface flottante |
FR2839542B1 (fr) * | 2002-05-07 | 2004-11-19 | Bouygues Offshore | Installation de liaison fond-surface d'une conduite sous- marine comprenant un element de conduite coude maintenu par une embase |
WO2006006852A1 (fr) * | 2004-07-12 | 2006-01-19 | Heerema Marine Contractors Nederland B.V. | Procede et dispositif permettant de relier une colonne montante a une structure cible |
US7025533B1 (en) * | 2004-09-21 | 2006-04-11 | Kellogg Brown & Root, Inc. | Concentrated buoyancy subsea pipeline apparatus and method |
GB2429992A (en) * | 2005-09-09 | 2007-03-14 | 2H Offshore Engineering Ltd | Production system |
GB0722459D0 (en) * | 2007-11-16 | 2007-12-27 | Wellstream Int Ltd | Flexible pipe support |
US7963242B2 (en) * | 2008-09-10 | 2011-06-21 | Raytheon Company | Anchor containing a self deploying mooring system and method of automatically deploying the mooring system from the anchor |
-
2010
- 2010-01-05 FR FR1050028A patent/FR2954966B1/fr active Active
-
2011
- 2011-01-04 WO PCT/FR2011/050004 patent/WO2011083268A1/fr active Application Filing
- 2011-01-04 US US13/520,434 patent/US8893802B2/en active Active
- 2011-01-04 AU AU2011204548A patent/AU2011204548B2/en active Active
- 2011-01-04 BR BR112012016590-9A patent/BR112012016590B1/pt active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2180809A (en) * | 1985-09-24 | 1987-04-08 | British Petroleum Co Plc | Tethered buoyant system |
GB2295408A (en) | 1994-10-12 | 1996-05-29 | Mobil Oil Corp | Marine steel catenary riser system |
US6206742B1 (en) * | 1997-01-15 | 2001-03-27 | Abb Offshore Technology As | Buoyancy device and method for using same |
US20040161984A1 (en) * | 2003-02-14 | 2004-08-19 | Lima De Almeida Jose Carlos | Subsurface buoy and methods of installing, tying and dynamically stabilizing the same |
WO2009156695A1 (fr) * | 2008-06-27 | 2009-12-30 | Technip France | Procédé d'installation d'une tour hybride dans une étendue d'eau, tour hybride et installation d'exploitation de fluides associée |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2506938A (en) * | 2012-10-15 | 2014-04-16 | Subsea 7 Ltd | Subsea riser support buoy with spaced tether attachment points |
WO2014060717A2 (fr) | 2012-10-15 | 2014-04-24 | Subsea 7 Limited | Améliorations apportées à des colonnes montantes à supports flottants |
WO2014060717A3 (fr) * | 2012-10-15 | 2014-11-27 | Subsea 7 Limited | Améliorations apportées à des colonnes montantes à supports flottants |
GB2506938B (en) * | 2012-10-15 | 2015-08-05 | Subsea 7 Ltd | Improvements relating to buoyancy-supported risers |
AU2013333707B2 (en) * | 2012-10-15 | 2016-05-05 | Subsea 7 Limited | Improvements relating to buoyancy-supported risers |
US9422773B2 (en) | 2012-10-15 | 2016-08-23 | Subsea 7 Limited | Relating to buoyancy-supported risers |
WO2014081317A1 (fr) * | 2012-11-23 | 2014-05-30 | Riser Support Systems | Ancre, procédé d'installation d'arche avec ancre à mi-profondeur, utilisation d'une ancre, et système d'arche à mi-profondeur pour colonnes montantes flexible comprenant une ancre |
GB2523497A (en) * | 2012-11-23 | 2015-08-26 | Riser Support Systems | Anchor, method of installing a mid water arch with an anchor, use of an anchor, and a mid water arch system for flexible risers comprising an anchor |
Also Published As
Publication number | Publication date |
---|---|
BR112012016590B1 (pt) | 2021-07-06 |
AU2011204548B2 (en) | 2016-03-24 |
BR112012016590A2 (pt) | 2020-11-10 |
AU2011204548A1 (en) | 2012-08-02 |
US20120298373A1 (en) | 2012-11-29 |
US8893802B2 (en) | 2014-11-25 |
FR2954966B1 (fr) | 2012-01-27 |
FR2954966A1 (fr) | 2011-07-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2011083268A1 (fr) | Ensemble de support d'au moins une conduite de transport de fluide à travers une étendue d'eau, installation et procédé associés | |
EP1710206B1 (fr) | Système de transfert d'un produit fluide entre un navire de transport et une installation terrestre | |
EP2288789B1 (fr) | Dispositif d'extraction d'un materiau situe au fond d'une etendue d'eau, installation d'extraction, et procede associe | |
FR2533879A1 (fr) | Navire de traitement a la mer et methode de fonctionnement de ce navire pour recevoir la production de petrole et/ou de gaz en provenance d'un puits sous-marin | |
EP2342488B1 (fr) | Procédé de montage d'une tour d'exploitation d'un fluide dans une étendue d'eau et tour d'exploitation associée | |
FR2854156A1 (fr) | Ensemble a bras articule comportant un cable de connexion pour le chargement et le dechargement de produits, notamment de produits fluides | |
EP2255065A2 (fr) | Méthode d'installation de colonne sous-marine montante | |
EP2193299B1 (fr) | Methode d'installation d'une conduite tubulaire sous-marine | |
EP2384963B1 (fr) | Connecteur sous-marin destiné à la connexion d'une installation pétrolière muni d'un dispositif d'anti-déconnexion | |
WO2011114027A1 (fr) | Procede de depose d'une ligne sous-marine au fond de la mer | |
WO2012093122A1 (fr) | Dispositif de pose d'une conduite dans une etendue d'eau, structure et procede associes | |
FR2590539A1 (fr) | Systeme d'amarrage a cable unique, et procede de realisation d'un terminal de haute mer utilisant un tel systeme | |
EP2571753B1 (fr) | Installation de liaison fond-surface comprenant une structure de guidage de conduite flexible | |
FR2868036A1 (fr) | Dispositif de mise a l'eau et de recuperation d'un vehicule submersible | |
WO2009156695A1 (fr) | Procédé d'installation d'une tour hybride dans une étendue d'eau, tour hybride et installation d'exploitation de fluides associée | |
FR2938001A1 (fr) | Procede de montage d'une tour d'exploitation d'un fluide dans une etendue d'eau et tour d'exploitation associee. | |
CA1092551A (fr) | Systeme d'excavation en mer a guidage horizontal de la benne preneuse au moyen de cables | |
WO2014114891A1 (fr) | Ensemble de connexion de conduites sous-marines | |
EP2640923B1 (fr) | Tour d'exploitation de fluide dans une étendue d'eau et procédé d'installation associé. | |
FR2600710A1 (fr) | Dispositif de positionnement et d'enlevement d'un ensemble de lignes flexibles | |
WO2015170046A1 (fr) | Méthode de raccordement d'une conduite de fond et d'une conduite montante | |
CA1332565C (fr) | Dispositif et methode de positionnement et d'enlevement d'une barrette sur une base | |
FR3095187A1 (fr) | Système de chargement et de déchargement de fluide, installation et procédé associés | |
FR2600712A1 (fr) | Chariot d'amarrage et de connexion de lignes flexibles sur une base | |
OA16429A (fr) | Tour d'exploitation de fluide dans une étendue d'eau et procédé d'installation associé. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11704247 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011204548 Country of ref document: AU |
|
ENP | Entry into the national phase |
Ref document number: 2011204548 Country of ref document: AU Date of ref document: 20110104 Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13520434 Country of ref document: US |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112012016590 Country of ref document: BR |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 11704247 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 112012016590 Country of ref document: BR Kind code of ref document: A2 Effective date: 20120705 |