EP0894938B1 - Dispositif de transfert de fluide entre un équipement de fond sous-marin et une unité de surface. - Google Patents
Dispositif de transfert de fluide entre un équipement de fond sous-marin et une unité de surface. Download PDFInfo
- Publication number
- EP0894938B1 EP0894938B1 EP98401720A EP98401720A EP0894938B1 EP 0894938 B1 EP0894938 B1 EP 0894938B1 EP 98401720 A EP98401720 A EP 98401720A EP 98401720 A EP98401720 A EP 98401720A EP 0894938 B1 EP0894938 B1 EP 0894938B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pipe
- flexible pipe
- vertebrae
- arch
- seabed
- 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.)
- Expired - Lifetime
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000005188 flotation Methods 0.000 abstract description 5
- 239000000543 intermediate Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 102100037658 STING ER exit protein Human genes 0.000 description 2
- 101710198240 STING ER exit protein Proteins 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 101100420946 Caenorhabditis elegans sea-2 gene Proteins 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
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
- E21B17/015—Non-vertical risers, e.g. articulated or catenary-type
-
- 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
Definitions
- the present invention relates to a fluid transfer device between underwater equipment such as a head well and a surface unit which can be constituted by a platform floating or a ship.
- the main configurations are those known as names "LAZY S”, “LAZY WAVE”, “STEEP S”, “STEEP WAVE ".
- the flexible line (s) connecting the basic equipment to the surface unit are associated with bodies intermediates which are means of positive buoyancy and so are constituted by flotation buoys or by an arch, which organs intermediaries divide each flexible pipe into two upper parts and lower and giving the upper part a concavity directed towards the area unit.
- US Patent 5,505,560 relates to a system for transferring fluid comprising two upper and lower intermediate members dividing the flexible pipe in three parts, an upper part including an area has a concavity directed towards the surface unit, part intermediate located between the two intermediate bodies and having a area whose concavity is also directed towards the surface unit, and a lower part of which an area has a concavity directed towards the bottom marine, the free end of the lower part being connected to the equipment background.
- the upper intermediate organ is constituted by an arch which is connected by a connecting cable to a fixed point on the seabed, while the lower intermediate member consists of flotation buoys arranged around the flexible pipe. It’s actually the combination of the two configurations "LAZY S" and "LAZY WAVE".
- a method is described installation of a fluid transfer system, as well as the transfer usable for the implementation of the method.
- the process consists of provide an intermediate member arranged laterally with respect to a line extending vertically from the surface unit, down a pipe flexible from the surface to fix it on the intermediate member, so to transfer the weight from the lower part of the pipe to the organ intermediate.
- MBR is the minimum bend radius that the hose can admit without damage. Excessive curvature can cause damage which can take several forms which are described in the API document to which we can usefully refer.
- the swell movements induce vertical and horizontal movements on the area unit.
- a sea is considered shallow when the amplitudes of horizontal and / or vertical displacement induced by the waves and the swell is not negligible compared to the water depth. In practical, when the amplitudes are greater than 10% of the depth, so we consider that we are in shallow sea.
- the movements of the surface unit transmit to the intermediate support element of the flexible force pipe (s) very important hydrodynamics. A consequence of these efforts hydrodynamics is, among other things, significant horizontal displacements of said arch, which results in a dynamic deformation of the flexible driving.
- the object of the present invention is to propose a device for transfer of a fluid between downhole equipment and a surface unit which be usable regardless of the distance between the surface equipment and the area unit.
- the present invention relates to a device of the above type, of the type comprising at least one flexible pipe extending in chain, an intermediate support and flotation member associated with said pipe and dividing the latter into at least two upper parts. and lower, the intermediate member communicating with a zone of the upper part, a concavity turned towards the bottom, means for retaining at least one zone of the lower part of the pipe, said retaining means being connected by means connecting to a fixed point for tensioning the area between the intermediate member and the retaining means, said retaining means and the fixed point communicating with the area between the retaining means and the terminal part of the conducts a mean curvature, the concavity of which is directed towards the downhole equipment, the intermediate member being connected to said fixed point, characterized in that the connecting means have a length at least equal to the minimum radius of curvature of the flexible pipe.
- An advantage of the present invention lies in the fact that it is particularly interesting in oil operations with little water deep.
- Another advantage of the present invention lies in the fact that it is applicable for downhole equipment that is offset laterally with respect to or under the surface unit which can be constituted by a production platform.
- Another advantage is that the swell movements and waves cannot excessively distort pipes hoses or umbilicals connecting the surface unit to the bottom equipment, that is to say, the present invention makes it possible to prevent the radius of curvature of the deformation is less than the MBR at any point of the conduct.
- the device according to the invention is intended to be included in a oil exploitation unit comprising a surface unit such that a platform 1 maintained on the surface of the sea 2, an equipment of bottom comprising in particular one or more well heads, shown schematically in Figure 1 and designated by reference 3, pipes flexible and / or umbilicals 4, an intermediate support and flotation 5.
- the support and buoyancy element 5 constituted for example by an arch divides the flexible and / or umbilical duct (s) into at least Three parties.
- the upper part or first part 6 of the flexible pipe is between the platform 1 and the arch 5 and includes a zone 6a whose concavity is turned towards the surface 2.
- the second part 7 of the flexible pipe consists of the area resting on the arch 5 and having a concavity turned towards the bottom 8.
- the third part 9 is between the arch 5 and the bottom 8 and comprises a zone 10, the concavity of which faces the well head 3 which can be located directly below platform 1 (figure 1) or offset laterally and at a certain distance from said platform 1, the portion of pipe connecting zone 10 to said wellhead being shown on the left of Figure 2.
- This portion of pipe constituting a fourth part 11 of the flexible pipe.
- a dead body 12 or other equivalent equipment is attached by any suitable means on or in the background 8.
- the third part 9 of the flexible pipe 4 is connected, at least in the portion comprising zone 10, with dead body 12, the connection being made by means of a cable or an anchor 13 fixed to a end on the dead body 12 and, at the other end, at a fixing point 14 of said third part 9.
- the attachment point 14 may be constituted by a collar 15 tightened around the pipe, the collar 15 possibly comprising two axis elements aligned opposite on each of which is fixed a cable or an anchor rod 13, the two anchor rods, when they are used, being fixed on the same anchor point 16 of the dead body 12.
- the minimum radius is determined curvature or MBR.
- MBR curvature
- a length L is assigned to the anchor tie 13 so that it or at least equal to said MBR which has the effect of limiting the deformation of zone 10 to a certain average value, greater than the MBR of said pipe, which prevents irreversible damage of the type mentioned in said API documentation.
- the zone 10 of the pipe has an average curvature between two extreme values, the nominal radius of curvature being determined as a function of the diameter of the conduct and conditions of use.
- the arch 5 is connected to the dead body 12 by a cable or pulling anchor 17, one end of which is fixed directly to said arch 5 or at a point 18 of connection of two small cables 19 fixed to the base of said arch 5, the other end of the anchoring cable 17 being fixed to the dead body 12 and, preferably, at point 16 for anchoring the flexible pipe 4.
- zone 10 of the third part 9 of the flexible pipe 4 passes through a set of vertebrae articulated 20, said set of vertebrae limiting the maximum curvature of said area to a value which can be predetermined.
- the collar clamp 15 can be mounted around a part of the set of vertebrae 20 or between two vertebrae 21 of said assembly 20 and clamped directly around flexible pipe; preferably, the clamp 15 is disposed substantially in the middle of the length of the set of vertebrae 20.
- the length L ′ of the set of vertebrae 20 is determined so that it is at least twice and preferably three times said MBR.
- the length L “of the anchor rod of the arch 5 it depends on the water depth P between surface 2 and bottom 8, the length L “of the anchor rod 17 determining the depth of immersion of said arch 5.
- the length L " is preferably also determined by depending on the amplitude of the swell and / or wave movements likely to occur in the operating sector, said amplitude can be for example of the order of 15 meters and more designated by D.
- Arch 5 will be submerged to a depth at least equal to D of so as to minimize the effect of sea movements on said arch 5.
- the immersion depth of arch 5 will be between 20 and 70% of the depth P and preferably equal to 50%.
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Underground Or Underwater Handling Of Building Materials (AREA)
- Catching Or Destruction (AREA)
- External Artificial Organs (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Invalid Beds And Related Equipment (AREA)
- Jet Pumps And Other Pumps (AREA)
- Supports For Pipes And Cables (AREA)
Description
caractérisé en ce que les moyens de liaison présentent une longueur au moins égale au rayon de courbure minimum de la conduite flexible.
- la figure 1 est une vue en perspective d'un ensemble de production pétrolière comprenant une unité de surface, un équipement de fond et le dispositif selon l'invention,
- la figure 2 est une représentation schématique du dispositif selon l'invention,
- la figure 3 est une vue agrandie de la partie entourée sur la figure 2.
Claims (8)
- Dispositif de transfert de fluide entre un équipement (3) disposé sur un fond sous-marin (8) et une unité de surface (1), du type comprenant au moins une conduite flexible (4) s'étendant en chaínette, un organe intermédiaire de support et de flottaison (5) associé à ladite conduite (4) et divisant cette dernière en deux parties supérieure (6) et inférieure (9), l'organe intermédiaire (5) communiquant à une zone (7) de la partie supérieure (6) une concavité tournée vers le fond, des moyens de retenue (15, 20) d'au moins une zone (10) de la partie inférieure (9) de la conduite (4), lesdits moyens de retenue (15, 20) étant reliés par des moyens de liaison (13) à un organe fixe (12) pour une mise en tension de ladite partie inférieure ledit organe fixe (12) étant disposé sur ou dans ledit fond (8), lesdits moyens de retenue (15, 20) et l'organe fixe (12) communiquant à ladite zone (10) de la partie inférieure de conduite une courbure de rayon prédéterminé et dont la concavité est dirigée vers l'équipement de fond, l'organe intermédiaire (5) étant relié audit organe fixe (12), caractérisé en ce que lesdits moyens de liaison (13) présentent une longueur (L) au moins égale au rayon de courbure minimum (MBR) de ladite conduite flexible (4).
- Dispositif selon la revendication 1, caractérisé en ce que les moyens de retenue sont constitués par un collier (15) serré autour de la conduite flexible (4).
- Dispositif selon la revendication 1, caractérisé en ce que les moyens de retenue comprennent en outre un ensemble de vertèbres s'étendant sur la zone courbe (10) de la partie inférieure (9) de la conduite, ledit ensemble de vertèbres (20) présentant une longueur au moins égale à trois fois le rayon de courbure minimum (MBR) de ladite conduite.
- Dispositif selon les revendications 2 et 3, caractérisé en ce que le collier (15) est disposé sensiblement au milieu de la longueur (L') de l'ensemble de vertèbres (20).
- Dispositif selon la revendication 4, caractérisé en ce que le collier (15) est monté autour de la conduite et entre deux vertèbres (21).
- Dispositif selon l'une des revendications 1 à 5, utilisable dans une mer peu profonde et de profondeur (P) donnée, caractérisé en ce que l'organe intermédiaire est constitué par une arche (5) qui est immergée à une profondeur comprise entre 20 et 70 % de ladite profondeur donnée (P).
- Dispositif selon la revendication 6, caractérisé en ce que l'arche (5) est reliée à l'organe fixe (12) du fond (8) par un câble d'ancrage (17) dont la longueur (L") détermine la profondeur d'immersion de ladite arche.
- Dispositif selon l'une quelconque des revendications 1 à 7, caractérisé en ce que les moyens d'ancrage de la partie inférieure (9) de la conduite flexible (4) et de l'élément intermédiaire (5) sont constitués par un corps mort (12), comprenant un point fixe (16) sur lequel sont attachés les moyens de liaison (13) de la conduite flexible (4) et les moyens de liaison (17) de l'élément intermédiaire (5).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9709892 | 1997-08-01 | ||
FR9709892A FR2766869B1 (fr) | 1997-08-01 | 1997-08-01 | Dispositif de transfert de fluide entre un equipement de fond sous-marin et une unite de surface |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0894938A1 EP0894938A1 (fr) | 1999-02-03 |
EP0894938B1 true EP0894938B1 (fr) | 2001-09-12 |
Family
ID=9509944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98401720A Expired - Lifetime EP0894938B1 (fr) | 1997-08-01 | 1998-07-07 | Dispositif de transfert de fluide entre un équipement de fond sous-marin et une unité de surface. |
Country Status (13)
Country | Link |
---|---|
US (1) | US6109833A (fr) |
EP (1) | EP0894938B1 (fr) |
CN (1) | CN1208807A (fr) |
AT (1) | ATE205578T1 (fr) |
AU (1) | AU736476B2 (fr) |
CA (1) | CA2244273C (fr) |
DE (1) | DE69801623D1 (fr) |
DK (1) | DK0894938T3 (fr) |
ES (1) | ES2162697T3 (fr) |
FR (1) | FR2766869B1 (fr) |
NO (1) | NO318728B1 (fr) |
OA (1) | OA10868A (fr) |
ZA (1) | ZA986192B (fr) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO306826B1 (no) * | 1998-06-12 | 1999-12-27 | Norske Stats Oljeselskap | Anordning ved stigerör |
DE69916880D1 (de) * | 1998-11-23 | 2004-06-03 | Foster Wheeler Energy Ltd | Gefesseltes schwimmfähiges auflager für steigrohre zu einem schwimmenden wasserfahrzeug |
US6415828B1 (en) * | 2000-07-27 | 2002-07-09 | Fmc Technologies, Inc. | Dual buoy single point mooring and fluid transfer system |
FR2824124B1 (fr) * | 2001-04-27 | 2003-09-19 | Inst Francais Du Petrole | Tube en materiau composite comportant une carcasse interne |
FR2826051B1 (fr) * | 2001-06-15 | 2003-09-19 | Bouygues Offshore | Installation de liaison fond-surface d'une conduite sous-marine reliee a un riser par au moins un element de conduite flexible maintenu par une embase |
NO315284B1 (no) * | 2001-10-19 | 2003-08-11 | Inocean As | Stigerör for forbindelse mellom et fartöy og et punkt på havbunnen |
US6688348B2 (en) | 2001-11-06 | 2004-02-10 | Fmc Technologies, Inc. | Submerged flowline termination buoy with direct connection to shuttle tanker |
US6763862B2 (en) | 2001-11-06 | 2004-07-20 | Fmc Technologies, Inc. | Submerged flowline termination at a single point mooring buoy |
US6558215B1 (en) | 2002-01-30 | 2003-05-06 | Fmc Technologies, Inc. | Flowline termination buoy with counterweight for a single point mooring and fluid transfer system |
GB0409361D0 (en) * | 2004-04-27 | 2004-06-02 | Stolt Offshore Sa | Marine riser tower |
US7191836B2 (en) * | 2004-08-02 | 2007-03-20 | Kellogg Brown & Root Llc | Dry tree subsea well communications apparatus and method using variable tension large offset risers |
US7025533B1 (en) * | 2004-09-21 | 2006-04-11 | Kellogg Brown & Root, Inc. | Concentrated buoyancy subsea pipeline apparatus and method |
US7963721B2 (en) * | 2004-09-21 | 2011-06-21 | Kellogg Brown & Root Llc | Distributed buoyancy subsea pipeline apparatus and method |
FR2888305B1 (fr) * | 2005-07-11 | 2008-12-12 | Technip France Sa | Methode et installation de raccordement d'une conduite sous-marine rigide et d'une conduite sous-marine flexible |
GB2429992A (en) * | 2005-09-09 | 2007-03-14 | 2H Offshore Engineering Ltd | Production system |
GB2450149A (en) * | 2007-06-15 | 2008-12-17 | Vetco Gray Controls Ltd | A backup umbilical connection for a well installation |
CN102317149B (zh) * | 2009-02-10 | 2015-06-03 | 国际壳牌研究有限公司 | 自支撑式钢悬链线立管 |
FR2954966B1 (fr) * | 2010-01-05 | 2012-01-27 | Technip France | Ensemble de support d'au moins une conduite de transport de fluide a travers une etendue d'eau, installation et procede associes. |
NO336854B1 (no) * | 2011-03-21 | 2015-11-16 | Nexans | Modulær bøyestiver |
WO2012152278A1 (fr) | 2011-05-06 | 2012-11-15 | National Oilwell Varco Denmark I/S | Système d'extraction de pétrole en mer |
GB2495287B (en) * | 2011-10-03 | 2015-03-11 | Marine Resources Exploration Internat Bv | A riser system for transporting a slurry from a position adjacent to the seabed to a position adjacent to the sea surface |
FR2983233B1 (fr) * | 2011-11-30 | 2016-01-01 | Saipem Sa | Installation de liaisons fond-surface flexibles multiples sur au moins deux niveaux |
GB2527845B (en) | 2014-07-04 | 2017-04-05 | Subsea 7 Norway As | Anchoring subsea flexible risers |
BR102014028326A2 (pt) * | 2014-11-14 | 2016-08-09 | Qualihouse Automação Predial Ltda | processo de detecção automática de ocupação de vagas de estacionamento por veículos |
CN107630683B (zh) * | 2017-08-09 | 2018-06-22 | 广州海洋地质调查局 | 一种用于天然气水合物开采的管路结构 |
EP3936749B1 (fr) * | 2020-07-06 | 2024-04-17 | Siemens Gamesa Renewable Energy A/S | Procédé d'installation d'un agencement de transport de gaz |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4650431A (en) * | 1979-03-28 | 1987-03-17 | Amtel, Inc | Quick disconnect storage production terminal |
NO160914C (no) * | 1986-03-24 | 1989-06-14 | Svensen Niels Alf | Boeyelastningssystem for offshore petroleumsproduksjon. |
EP0251488B1 (fr) | 1986-06-05 | 1991-11-06 | Bechtel Limited | Dispositif de colonnes montantes souples et son procédé d'utilisation |
FR2627542A1 (fr) * | 1988-02-24 | 1989-08-25 | Coflexip | Dispositif de transfert de fluide entre le fond sous-marin et la surface |
US5505560A (en) | 1993-10-26 | 1996-04-09 | Offshore Energie Development Corporation (Oecd) | Fluid transfer system for an offshore moored floating unit |
US5639187A (en) * | 1994-10-12 | 1997-06-17 | Mobil Oil Corporation | Marine steel catenary riser system |
GB2323876A (en) * | 1995-12-19 | 1998-10-07 | Foster Wheeler Energy Ltd | Catenary riser system |
NO960581L (no) * | 1996-02-14 | 1997-08-15 | Kvaerner Oilfield Prod As | Produksjonsrörsystem til havs, samt en fremgangsmåte ved dets utlegging |
-
1997
- 1997-08-01 FR FR9709892A patent/FR2766869B1/fr not_active Expired - Fee Related
-
1998
- 1998-07-07 DE DE69801623T patent/DE69801623D1/de not_active Expired - Lifetime
- 1998-07-07 AT AT98401720T patent/ATE205578T1/de active
- 1998-07-07 DK DK98401720T patent/DK0894938T3/da active
- 1998-07-07 ES ES98401720T patent/ES2162697T3/es not_active Expired - Lifetime
- 1998-07-07 EP EP98401720A patent/EP0894938B1/fr not_active Expired - Lifetime
- 1998-07-13 ZA ZA986192A patent/ZA986192B/xx unknown
- 1998-07-14 AU AU76151/98A patent/AU736476B2/en not_active Ceased
- 1998-07-23 NO NO19983407A patent/NO318728B1/no not_active IP Right Cessation
- 1998-07-23 CN CN98116163A patent/CN1208807A/zh active Pending
- 1998-07-28 CA CA002244273A patent/CA2244273C/fr not_active Expired - Fee Related
- 1998-07-30 OA OA9800123A patent/OA10868A/en unknown
- 1998-08-03 US US09/127,745 patent/US6109833A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1208807A (zh) | 1999-02-24 |
CA2244273C (fr) | 2008-04-29 |
NO983407L (no) | 1999-02-02 |
DK0894938T3 (da) | 2002-01-07 |
OA10868A (en) | 2003-02-18 |
NO983407D0 (no) | 1998-07-23 |
ES2162697T3 (es) | 2002-01-01 |
AU736476B2 (en) | 2001-07-26 |
ATE205578T1 (de) | 2001-09-15 |
CA2244273A1 (fr) | 1999-02-01 |
ZA986192B (en) | 1999-02-02 |
US6109833A (en) | 2000-08-29 |
DE69801623D1 (de) | 2001-10-18 |
FR2766869B1 (fr) | 1999-09-03 |
NO318728B1 (no) | 2005-05-02 |
FR2766869A1 (fr) | 1999-02-05 |
AU7615198A (en) | 1999-02-11 |
EP0894938A1 (fr) | 1999-02-03 |
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