EP2652204A1 - Methode d'installation d'un dispositif de recuperation d'hydrocarbures - Google Patents
Methode d'installation d'un dispositif de recuperation d'hydrocarburesInfo
- Publication number
- EP2652204A1 EP2652204A1 EP11811087.3A EP11811087A EP2652204A1 EP 2652204 A1 EP2652204 A1 EP 2652204A1 EP 11811087 A EP11811087 A EP 11811087A EP 2652204 A1 EP2652204 A1 EP 2652204A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flexible pipe
- assembly
- buoy
- installation
- downstream end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 33
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 48
- 239000012530 fluid Substances 0.000 claims abstract description 13
- 238000011084 recovery Methods 0.000 claims description 28
- 238000011144 upstream manufacturing Methods 0.000 claims description 17
- 239000004215 Carbon black (E152) Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000000717 retained effect Effects 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000010907 mechanical stirring Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
-
- 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
- E21B43/0122—Collecting oil or the like from a submerged leakage
-
- 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
- E21B43/013—Connecting a production flow line to an underwater well head
- E21B43/0135—Connecting a production flow line to an underwater well head using a pulling cable
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B2015/005—Tent-like structures for dealing with pollutant emissions below the water surface
-
- 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
Definitions
- the invention relates to a method for offshore installation of a hydrocarbon recovery system escaping from an underwater installation.
- the environmental consequences on the ecosystem may be irreversible, so it is necessary to intervene as quickly as possible to contain and recover the fluids escaping from the submarine facility in order to limit the environmental consequences related to the flow of these substances.
- hydrocarbons in the marine environment may be irreversible, so it is necessary to intervene as quickly as possible to contain and recover the fluids escaping from the submarine facility in order to limit the environmental consequences related to the flow of these substances.
- WO2005 / 038145 discloses a recovery device comprising a rigid awning of very large area to be deployed in line with the subsea installation from which escapes the hydrocarbons.
- the roof surface of the Marquise is in the range of 100 to 10,000 m 2 .
- the canopy is made of two dihedral surfaces and is mounted on telescopic anchoring feet that stabilize the position of the awning above the underwater installation. It is connected to a flexible hydrocarbon lift pipe that is connected at the foot to the marquee and extends to a storage and recovery vessel hydrocarbons.
- a collector chamber is arranged at the marquise, the flexible pipe being connected directly to the collector chamber.
- all the useful operations are carried out in order to facilitate the rise of the hydrocarbons, which can be very viscous and therefore difficult to ascend to the surface via the pipe.
- These operations may consist in the fluidification of the hydrocarbons by heating with electrical resistances or by circulation of hot water. They may also consist of a dilution of the hydrocarbons by addition of diluent or a mechanical stirring of the hydrocarbons within the collector chamber.
- This recovery device is then towed on site and then descended to the submarine facility by controlling and adjusting the buoyancy of the marquee during the descent.
- the Marquise's feet are then deployed to stabilize the Marquise on the ground and in line with the underwater installation.
- a flexible pipe is deployed from a laying ship to the destination site.
- the pipe is then connected to the collecting chamber and then to the surface installation with the assistance of underwater robot.
- the present invention provides a method of installing a recovery system comprising a rigid awning having the shape of an inverted funnel and a set of hydrocarbon up to a surface installation that is faster to install on the site of destination in order to be operational in a very short time, a few days.
- the method according to the invention comprises the following steps:
- a lower hydrocarbon lift assembly (25) comprising a rigid awning (27) in the form of an inverted funnel and including ballast compartments (29) at the destination site
- a first flexible pipe (30) intended to extend substantially vertically between the seabed (11) and the surface (12)
- a buoy (40) connected to the downstream end (35) of the first flexible pipe (30) and intended to be immersed under the surface of the water (12) to maintain the first flexible pipe (30) substantially in its vertical position o
- a second flexible pipe (33) extending in a chain and connected to the downstream end of the first flexible pipe (30) and to the surface installation (13)
- the method is also characterized in that the steps 3 and 4 of assembly at sea of the upper assembly (26) and of towing on the site are carried out simultaneously at (the) step (s). ) 1 or / and 2.
- the assembly and towing of the upper assembly for raising the fluids to the surface installation is operated in masked time.
- the installation method is characterized in that the assembly of the upper assembly (26) comprises the following steps:
- the method according to the invention is characterized in that the upstream end (34) of the first flexible pipe (30) provided with the collecting chamber (32) is deployed to the seabed by unrolling a drop line (72) and is connected to the canopy (27) of the lower assembly (25)
- FIG. 1 is an overview of a hydrocarbon recovery device according to the invention.
- FIG. 2 is a view showing the towing towards the site of the lower assembly of the recovery device according to the invention
- FIG. 3 is a view showing the final positioning of the lower assembly above the underwater installation
- FIGS. 4 to 5 are views showing successive stages of assembly of the upper assembly of the recovery element.
- FIG. 6 and 7 are views showing steps of connecting the upper assembly on the lower assembly of the hydrocarbon recovery device.
- FIG. 8 is a view showing the connection of the recovery device to the surface installation.
- Figure 1 shows a view of a hydrocarbon recovery assembly installed in line with an underwater installation (21) from which escapes the hydrocarbons to be recovered.
- upstream and downstream refer to the direction of fluid flow when the fluid recovery system is operational.
- the underwater installation (21) may for example be a submarine oil well or a submarine pipe that has been damaged or for example a boat for storing and transporting hydrocarbons that has been sank at sea.
- the recovery assembly is constituted by a first lower assembly (25) comprising a rigid marquee (27) of large area.
- This awning is in the form of an inverted funnel and is provided with compartments (29) for adjusting the buoyancy of the awning during installation above the underwater installation (21). It further includes deployable feet to the seabed in the direction A-A 'for anchoring the lower assembly (25) on the seabed (11).
- This lower recovery assembly is intended to channel the hydrocarbons escaping from the underwater structure (21) to a flexible pipe (30) to recover them in a ship (13) such as for example a storage vessel ("tanker" in English language).
- the marquise is advantageously in the form of two dihedral surfaces forming a gutter leading to the upper part of the awning where is connected an upper assembly (26) for raising hydrocarbons.
- the upper hydrocarbon lift assembly (26) of the recovery system includes a first flexible pipe (30) extending substantially vertically along the axis AA ".
- the first flexible pipe (30) is connected to its upstream end (34). ) on a collecting chamber (32) and at its downstream end (35) on a buoy (40) immersed under the surface of the water which exerts an upward pulling force in the direction A-A 'on the first flexible pipe to maintain it in a substantially vertical position.
- a second shorter flexible pipe (33) connects the downstream end (35) of the first flexible pipe (30) to the surface installation (13). It preferably extends in a chain between the buoy (40) and the surface installation (13) to accommodate the movements of the surface installation (13).
- the fluidic junction (41) between the upstream end (38) of the second flexible pipe (33) and the downstream end (35) of the first flexible pipe (30) is formed here above the buoy (40) by via a rigid pipe coupling (41) having the shape of a U. Flanges or any other ad hoc elements connect the ends of the rigid coupling (41) to the ends of the flexible pipes (30, 33).
- the collecting chamber (32) disposed on the canopy (27) of the lower assembly (25) is connected to the upstream end of the first flexible pipe (30).
- the collecting chamber (32) connects on one side the volume under the canopy and the inside of the first flexible pipe (30). It collects hydrocarbons under the awning before raising them to the ship (13) via the flexible lines (30,33, 41).
- this chamber comprises means for facilitating the rise of hydrocarbons in the first flexible pipe (30).
- These means may be mechanical stirring elements, electric heating means or heating means by circulating hot water in small serpentine pipes, diluent injection means.
- the collecting chamber is described in application WO2005 / 038145 in the name of the applicant. Also, it will not be described in detail in the present invention.
- the term "flexible” or “flexible conduct” is a conduct consisting of several layers that can be linked (“bounded” in English) or unbound (“unbounded” in English). These lines are described in the normative documents published by the American Petroleum Institute (API), API17j and AP RP 17B.
- the flexible or flexible pipe may advantageously consist of a "bundle" type composite bundle comprising at least one flexible fluid conveying pipe and a set of electrical or optical cables capable of transmitting electrical or optical power and which may also comprise small auxiliary lines for the supply / injection of chemicals into the hydrocarbon mixture.
- the lower recovery assembly (25) comprising the rigid awning (27) previously manufactured on land at a shipyard is launched near its place of manufacture. Due to its type of shell and jacket shell, the rigid canopy is able to float on the surface of the water.
- the deployable anchoring legs (22) are in their retracted upward position.
- the lower assembly (25) is brought to the destination site directly above the submarine installation from which it escapes. the escape of hydrocarbons.
- the lower assembly is connected to two tugs (53) via pull lines (65, 66).
- the buoyancy of the lower recovery assembly (25) is then adjusted (by filling partially the boxes of the marquee) to immerse it a few meters below the sea surface.
- Weights (68) are also added on the cables so that a part of the draw lines unfolds under the lower recovery unit. (25) and thereby helps to stabilize the position of the lower assembly (25) under the surface of the water.
- the lower assembly (25) is then towed in the direction of the arrow between the two tugs (53) to the destination site.
- the lower assembly (25) of the recovery assembly is ballasted so that it gradually sinks into the water .
- the tow lines (65, 66) are unwound simultaneously to guide the lower assembly (25) to the seabed. These lines (65, 66) also make it possible to control the descent of the lower assembly (25) towards the bottom.
- the final positioning of the lower assembly is achieved by deploying the feet (22) to the seabed (1 1) to anchor stably the rigid awning (27) in line with the underwater installation (21), here an oil well. This operation can be carried out with the assistance of submarine control system.
- the upper assembly (26) for raising hydrocarbons is assembled at sea, preferably in a place protected from waves and waves, for example in a bay near the place of storage on the ground of the whole.
- This assembly comprises a step of bringing a buoy (40) to the body of water.
- This buoy floats on the surface of the water mainly by its own means. It is preferably of cylindrical and flat shape which gives it a better stability at sea.
- flat buoy 052947
- the ratio of its height taken along the axis A-A 'to its diameter D is less than 1 .5.
- a laying vessel (52) on which a flexible pipe is stored in a basket or on a storage spool is brought into the vicinity of the buoy (40).
- the laying ship also carries the collection chamber (32) on the deck of the ship.
- a first flexible pipe (30) is unwound from this laying vessel (52).
- the downstream end (35) of the first flexible pipe is then connected to the buoy (40).
- the first flexible pipe 30 then extends forming a U or a double catenary between the buoy (40) and the laying boat (52) which holds ⁇ upstream end (34) of the first flexible pipe (30).
- the downstream end (35) of the first flexible pipe is retained by a tugboat and the laying ship (52) can be demobilized.
- a second flexible pipe (33) shorter than the first flexible pipe (30) is connected to the buoy, the upstream end (38) is connected to its final location in a space in the buoy while the downstream end (37) ) of the second flexible pipe is temporarily retained at the periphery of the buoy.
- FIG. 4 shows the configuration of the upper assembly (26) for raising the fluids once assembled and ready for towing according to a fourth step of the method.
- the buoy (40) has a ratio Height (H) / diameter (D) less than 1.5.
- the first and second flexible pipes can be connected to the buoy following a drawing operation performed from the upper surface of the buoy and the fluid connection between the first and second flexible pipes can be carried out above the buoy with a rigid pipe connection (41).
- a draw line (70) connects the buoy (40) to a tug (53). Towing of the upper assembly (26) in the direction of the arrow F is performed by the tug 53 and the laying ship (52) moves in the same direction at a speed adapted to that of the tug.
- This third step of assembling the upper assembly (26) is advantageously carried out in masked time, during the installation phase of the lower assembly (25) namely during step one or / and two of the method d installation described previously.
- step one or / and two of the method d installation described previously By performing several steps simultaneously reduces the time required for the running of the recovery assembly (10).
- the collection chamber (32) When the upper assembly (26) arrives in the vicinity of the destination site, the collection chamber (32) is connected to the upstream end (34) of the first flexible pipe (30) which is connected to the cable (72) a winch disposed on the ship (52) as shown in Figure 5.
- the cable is progressively unrolled.
- the collecting chamber (32) weighs about 100 to 150 tons, it sinks under its own weight to the seabed in the direction of the arrow of Figure 6.
- the collector chamber is connected to the lower assembly which has already been preinstalled in line with the underwater installation.
- the buoy 40 is ballasted a little more to guide the first flexible pipe (30) with the collector chamber (32) towards the marquise (27).
- the collecting chamber is connected to the canopy (27).
- the upper assembly (26) is connected to a surface installation (13).
- the first flexible pipe (30) is tensioned by increasing the buoyancy of the buoy (40), which thus exerts a traction force. necessary to maintain the first flexible pipe in a substantially vertical position.
- downstream end (37) of the second flexible pipe (33) is recovered and connected to the surface installation (13). It extends catenary between the buoy and the ship (13).
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1004858A FR2968683B1 (fr) | 2010-12-14 | 2010-12-14 | Methode d'installation d'un dispositif de recuperation d'hydrocarbures |
PCT/FR2011/052947 WO2012080640A1 (fr) | 2010-12-14 | 2011-12-12 | Methode d'installation d'un dispositif de recuperation d'hydrocarbures |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2652204A1 true EP2652204A1 (fr) | 2013-10-23 |
EP2652204B1 EP2652204B1 (fr) | 2017-09-13 |
Family
ID=44233121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11811087.3A Active EP2652204B1 (fr) | 2010-12-14 | 2011-12-12 | Methode d'installation d'un dispositif de recuperation d'hydrocarbures |
Country Status (6)
Country | Link |
---|---|
US (1) | US9340942B2 (fr) |
EP (1) | EP2652204B1 (fr) |
BR (1) | BR112013014577B1 (fr) |
FR (1) | FR2968683B1 (fr) |
NO (1) | NO2652204T3 (fr) |
WO (1) | WO2012080640A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3037652A1 (fr) * | 2014-12-23 | 2016-06-29 | Openhydro IP Limited | Système de déplacement et procédé pour un système électrique submersible |
CN107054587B (zh) * | 2017-04-10 | 2018-12-04 | 浙江省海洋水产研究所 | 一种海湾溢油清理装置 |
GB2571955B (en) | 2018-03-14 | 2020-09-30 | Subsea 7 Norway As | Offloading hydrocarbons from subsea fields |
US10781670B1 (en) * | 2019-10-10 | 2020-09-22 | Trendsetter Engineering, Inc. | Process for non-vertical installation and removal of a subsea structure |
US11028663B1 (en) * | 2019-11-18 | 2021-06-08 | Trendsetter Engineering, Inc. | Process and apparatus for installing a payload onto a subsea structure |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2804935B1 (fr) * | 2000-02-11 | 2002-06-07 | Bouygues Offshore | Procede et installation de recuperation d'effluents en mer |
FR2860810B1 (fr) * | 2003-10-13 | 2005-12-30 | Technip France | Procede et dispositif de recuperation du petrole d'un reservoir dispose sur un fond marin, notamment d'une epave |
FR2868446A1 (fr) * | 2004-03-31 | 2005-10-07 | Jacques Edouard Flichy | Ensemble charge de recueillir les fuites de petroles d'une epave |
-
2010
- 2010-12-14 FR FR1004858A patent/FR2968683B1/fr not_active Expired - Fee Related
-
2011
- 2011-12-12 US US13/993,487 patent/US9340942B2/en active Active
- 2011-12-12 EP EP11811087.3A patent/EP2652204B1/fr active Active
- 2011-12-12 NO NO11811087A patent/NO2652204T3/no unknown
- 2011-12-12 BR BR112013014577-3A patent/BR112013014577B1/pt active IP Right Grant
- 2011-12-12 WO PCT/FR2011/052947 patent/WO2012080640A1/fr active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2012080640A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2968683A1 (fr) | 2012-06-15 |
BR112013014577B1 (pt) | 2020-10-06 |
EP2652204B1 (fr) | 2017-09-13 |
WO2012080640A1 (fr) | 2012-06-21 |
BR112013014577A2 (pt) | 2016-09-20 |
FR2968683B1 (fr) | 2014-06-13 |
NO2652204T3 (fr) | 2018-02-10 |
US20130263426A1 (en) | 2013-10-10 |
US9340942B2 (en) | 2016-05-17 |
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