EP2122118B1 - Measurement device in a horizontal well - Google Patents
Measurement device in a horizontal well Download PDFInfo
- Publication number
- EP2122118B1 EP2122118B1 EP07871835.0A EP07871835A EP2122118B1 EP 2122118 B1 EP2122118 B1 EP 2122118B1 EP 07871835 A EP07871835 A EP 07871835A EP 2122118 B1 EP2122118 B1 EP 2122118B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- probe
- support
- fluid
- circulation
- logging
- 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.)
- Active
Links
- 238000005259 measurement Methods 0.000 title description 2
- 239000000523 sample Substances 0.000 claims description 27
- 239000012530 fluid Substances 0.000 claims description 23
- 238000004891 communication Methods 0.000 claims description 6
- 238000010348 incorporation Methods 0.000 claims 1
- 238000005553 drilling Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/08—Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/14—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
Definitions
- the present invention relates to the field of the exploitation of hydrocarbon deposits, in particular the field of horizontal drilling in which one must implement measurements in a well, or logs logging type.
- the techniques currently used have drawbacks when the wells are drilled in rocks under high pressure, or when the control of fluid fluids deposit is difficult. This is particularly the case in some deep deposits, or in land buried under a great depth of water.
- the figure 1 describes an example of a logging installation in a horizontal well 1.
- a probe support 3 comprises a male electrical connector 4 connected by conductors to the log probes 2.
- a load bar 5 having at its lower end a female electrical connector has descended into the rod train 7 using an electric cable 6, said logging cable.
- the load bar and the cable are pumped into the highly deflected portion of the well to the male connector of the probe holder.
- the connection between the two elements of the electrical connector ensures the electrical continuity between the log probes and the recording equipment 10 located on the surface.
- the operators screw a lateral entry connector 8 ("side entry sub") which makes it possible to pass the logging cable in the annular space between the well and the lining.
- the reference 9 indicates the conventional means for closing the well which equip the head of well.
- EP 0 860 902 discloses a logging probe device of the prior art, with a piston.
- the pressure of the fluid of the geological formation is balanced by the hydrostatic pressure of the fluid, in particular drilling, contained in the rods and outside the rods.
- the fluid lifts can also be done from the inside of the drill rods.
- the logging systems currently used allow the circulation of the drilling fluid, in particular for cooling the well, renewing the drilling fluid, ensuring the maintenance of the pressure balance with the geological formation traversed, but also for pumping and moving. the load bar in the internal space of the drill rods.
- the equipment currently used allows free movement in both directions inside the drill string.
- the present invention aims to remedy the risk of sudden circulation, in the opposite direction from the bottom up, inside the rods being logging horizontally, this circulation may notably cause a blowout on the surface ("blowout"). , or a disconnection of the male and female plugs.
- the invention relates to a logging probe support device comprising plug-in connection means at the bottom of the well with a logging cable contained in the internal space of rods on which the support is fixed, means of fluid communication between the internal space of the rods and the outside of the support, said fluidic communication means being openings arranged between the probe and the electrical connection means.
- the device comprises, between the fluid communication means and the electrical connection means, shut-off means of the non-return valve type allowing the flow of fluid from the inside to the outside and prohibiting the flow of the outside towards the inside of the support, said closure means being made by incorporating into said probe support a cylinder (carrying an annular seat, a cap swinging on a hinge coming to close on said annular seat, or said closure means comprising a piston, said piston moving longitudinally on a rod to clear a passage under the action of the direct circulation of said fluid, or to seal on a seat under the action of a return means and the reverse circulation of said fluid .
- shut-off means of the non-return valve type allowing the flow of fluid from the inside to the outside and prohibiting the flow of the outside towards the inside of the support
- said closure means being made by incorporating into said probe support a cylinder (carrying an annular seat, a cap swinging on a hinge coming to close on said annular seat, or said closure means comprising a piston, said piston moving
- a conduit may put the connection means and the means of electrical connection with the probe in pressure equilibrium.
- Reminder means can keep closed the closure means.
- Locking means can keep the closure means open.
- the locking means can be operated manually.
- the figure 2a shows in schematic section an embodiment of the device according to the invention.
- Reference 2 indicates the logging probe mechanically bonded to the body of support 3 by conventional mechanical means, flanges, nut, or the like.
- the body of the support 3 is attached to the lower end of a tubular lining 12 for manipulating the logging probes in a well.
- Electrical connection means 14 comprise a socket 15 connected to load bars operated in the internal space of the rods 12 by a logging cable.
- the female connector is plugged into the male connector 16.
- a bundle of electrical connections 17 passes through a conduit 18 to be brought to the electrical contactors 19 with the probe 2. It is noted that until at the contacts 19, the electrical harness is subjected to the same pressure as the connection means 14.
- the body of the probe support 3 has openings 13, in the form of grids or bores of appropriate size to prevent internal clogging by debris.
- the circulation of a fluid by pumping from the inside of the rods 12 can be done in the direction shown by the arrows 20. This circulation is performed to pump the female connector 15 for connection, or to clean the well. through the use of the upward circulation in the well of a suitable fluid.
- a non-return valve type closure means is interposed between the circulation openings 13 and the connection means.
- This sealing means is made by incorporating into the body of the probe support a cylinder 22 carrying an annular seat 23 on which is closed a lid 24 swinging on a hinge 25.
- a return spring mounted on the articulation of the hinge maintains in its closed position the lid on the seat.
- the cylinder of the sealing means is assembled tightly in the internal bore of the body of the probe support. The seals are not shown in the figures. Thus, the flow of fluid can be in the inner direction of the rods to the outside of the probe support, the valve being free in this direction.
- the figure 2b shows the closing means closed by the lid closed on the seat.
- the circulation can not be done in the outside direction of the probe support towards the inside of the rods. This circulation, said in the opposite direction, is prohibited.
- FIG. 3a and 3b show another embodiment of the closure means, wherein the seal is in the form of a piston 26 which moves longitudinally on a rod 27 to clear the passage under the action of the direct flow, or to seal on a seat 28 under the action of a return means and the reverse circulation.
- reference 29 designates a latch which keeps the lid open, if it is desired to use a probe holder without making operating the shutter means of anti return type. This latch is manually placed before the probe holder assembly on the operating rods.
- An equivalent system can also equip the variant of the closure means according to the Figure 3a and 3b .
Landscapes
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Sampling And Sample Adjustment (AREA)
- Measuring Fluid Pressure (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Earth Drilling (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
La présente invention concerne le domaine de l'exploitation de gisements d'hydrocarbures, en particulier le domaine des forages horizontaux dans lesquels on doit mettre en oeuvre des mesures dans un puits, ou diagraphies de type "logging". Les techniques actuellement utilisées présentent des inconvénients lorsque les puits sont forés dans des roches sous forte pression, ou lorsque le contrôle des venues de fluides de gisement est difficile. C'est le cas notamment dans certains gisements à grande profondeur, ou dans des terrains enfouis sous une grande profondeur d'eau.The present invention relates to the field of the exploitation of hydrocarbon deposits, in particular the field of horizontal drilling in which one must implement measurements in a well, or logs logging type. The techniques currently used have drawbacks when the wells are drilled in rocks under high pressure, or when the control of fluid fluids deposit is difficult. This is particularly the case in some deep deposits, or in land buried under a great depth of water.
La
Le document
Durant l'opération de diagraphie utilisant un train de tiges de forage la pression du fluide de la formation géologique est équilibrée par la pression hydrostatique du fluide, notamment de forage, contenu dans les tiges et à l'extérieur des tiges.During the logging operation using a drill string, the pressure of the fluid of the geological formation is balanced by the hydrostatic pressure of the fluid, in particular drilling, contained in the rods and outside the rods.
En cas de déséquilibre, des venues impromptues de fluides provenant de la formation peuvent être difficile à contrôler. La remontée de fluides par l'annulaire peut être contrôlée par le système d'étanchéité annulaire 9.In case of imbalance, impromptu inflow of fluids from the formation may be difficult to control. The rise of fluids by the annular can be controlled by the
Mais les remontées de fluides risquent aussi de se faire par l'intérieur des tiges de forage. En effet, les systèmes de diagraphie actuellement utilisés permettent la circulation du fluide de forage, notamment pour refroidir le puits, renouveler le fluide de forage, assurer le maintien de l'équilibre de pression avec la formation géologique traversée, mais également pour pomper et déplacer la barre de charge dans l'espace interne des tiges de forage. Les équipements actuellement utilisés autorisent la libre circulation dans les deux sens à l'intérieur du train de tiges.But the fluid lifts can also be done from the inside of the drill rods. In fact, the logging systems currently used allow the circulation of the drilling fluid, in particular for cooling the well, renewing the drilling fluid, ensuring the maintenance of the pressure balance with the geological formation traversed, but also for pumping and moving. the load bar in the internal space of the drill rods. The equipment currently used allows free movement in both directions inside the drill string.
La présente invention a pour objet de remédier aux risques de circulation brutale, dans le sens inverse de bas en haut, à l'intérieur des tiges en cours de diagraphie horizontale, cette circulation risquant notamment de provoquer une éruption en surface ("blowout"), ou une déconnexion des fiches male et femelle.The present invention aims to remedy the risk of sudden circulation, in the opposite direction from the bottom up, inside the rods being logging horizontally, this circulation may notably cause a blowout on the surface ("blowout"). , or a disconnection of the male and female plugs.
Ainsi, l'invention concerne un dispositif de support de sonde de diagraphie comportant des moyens de connexion enfichables en fond de puits avec un câble de diagraphie contenu dans l'espace interne de tiges sur lesquelles le support est fixé, des moyens de communication fluidique entre l'espace interne des tiges et l'extérieur du support, lesdits moyens de communications fluidique étant des ouvertures disposées entre la sonde et les moyens de connexion électrique. Le dispositif comporte, entre les moyens de communication fluidique et les moyens de connexion électriques, des moyens d'obturation du type clapet anti-retour autorisant la circulation de fluide de l'intérieur vers l'extérieur et interdisant la circulation de l'extérieur vers l'intérieur du support lesdits moyens d'obturation étant réalisés par incorporation dans ledit support de sonde d'un cylindre (portant un siège annulaire, un opercule basculant sur une charnière venant se refermer sur ledit siège annulaire, ou lesdits moyens d'obturation comportant un piston, ledit piston se déplaçant longitudinalement sur une tige pour dégager un passage sous l'action de la circulation directe dudit fluide, ou pour faire étanchéité sur un siège sous l'action d'un moyen de rappel et de la circulation inverse dudit fluide.Thus, the invention relates to a logging probe support device comprising plug-in connection means at the bottom of the well with a logging cable contained in the internal space of rods on which the support is fixed, means of fluid communication between the internal space of the rods and the outside of the support, said fluidic communication means being openings arranged between the probe and the electrical connection means. The device comprises, between the fluid communication means and the electrical connection means, shut-off means of the non-return valve type allowing the flow of fluid from the inside to the outside and prohibiting the flow of the outside towards the inside of the support, said closure means being made by incorporating into said probe support a cylinder (carrying an annular seat, a cap swinging on a hinge coming to close on said annular seat, or said closure means comprising a piston, said piston moving longitudinally on a rod to clear a passage under the action of the direct circulation of said fluid, or to seal on a seat under the action of a return means and the reverse circulation of said fluid .
Un conduit peut mettre en équilibre de pression les moyens de connexion et les moyens de connexion électrique avec la sonde.A conduit may put the connection means and the means of electrical connection with the probe in pressure equilibrium.
Des moyens de rappel peuvent maintenir fermé les moyens d'obturation.Reminder means can keep closed the closure means.
Un moyen de verrouillage peut maintenir ouvert les moyens d'obturation.Locking means can keep the closure means open.
Le moyen de verrouillage peut être actionné manuellement.The locking means can be operated manually.
La présente invention sera mieux comprise et ses avantages apparaîtront plus clairement à la lecture de la description qui suit, illustrée par les figures ci-après annexées, parmi lesquelles:
- la
figure 1 décrit un système selon l'art antérieur, - les
figures 2a et 2b décrivent le dispositif de support de sonde de l'invention, - les
figure 3a et 3b décrivent une variante selon l'invention.
- the
figure 1 describes a system according to the prior art, - the
Figures 2a and 2b describe the probe support device of the invention, - the
Figure 3a and 3b describe a variant according to the invention.
La
Le corps du support de sonde 3 comporte des ouvertures 13, sous la forme de grilles ou de perçages de dimension appropriée pour éviter le bouchage intérieur par des débris. Ainsi, la circulation d'un fluide par pompage par l'intérieur des tiges 12 peut se faire selon la direction montré par les flèches 20. Cette circulation est effectuée pour déplacer par pompage la prise femelle 15 pour la connexion, ou pour nettoyer le puits grâce à l'utilisation de la circulation remontante dans le puits d'un fluide adapté.The body of the
Selon l'invention, un moyen d'obturation de type clapet anti retour est intercalé entre les ouvertures de circulation 13 et les moyens de connexion. Ce moyen d'obturation est réalisé par incorporation dans le corps du support de sonde d'un cylindre 22 portant un siège annulaire 23 sur lequel vient se refermer un opercule 24 basculant sur une charnière 25. Un ressort de rappel monté sur l'articulation de la charnière maintient en position fermée l'opercule sur le siège. Le cylindre des moyens d'obturation est assemblé étanche dans l'alésage interne du corps du support de sonde. Les joints d'étanchéité ne sont pas représentés sur les figures. Ainsi, la circulation du fluide peut se faire dans le sens intérieur des tiges vers l'extérieur du support de sonde, le clapet étant libre dans ce sens.According to the invention, a non-return valve type closure means is interposed between the
La
Les
Sur la
Claims (4)
- A logging probe support device (2) comprising downhole pluggable electrical connecting means with a logging cable contained in the inner space of rods to which said support is fastened, fluid communication means (13) between the inner space of the rods and the outside of the support, said fluid communication means (13) being openings (13) arranged between the probe and the electrical connecting means, preferably said probe being a logging probe, characterized in that it comprises, between said fluid communication means (13) and the electrical connecting means, shutoff means such as nonreturn valves allowing fluid circulation from the inside to the outside and preventing circulation from the outside to the inside of the support, said shutoff means being achieved by incorporation into said probe support of a cylinder (22) carrying an annular seat (12), a gate (24) tilting on a hinge (25) that closes in on said annular seat (22), or said shutoff means comprising a piston, said piston (26) moving longitudinally on a rod (27) so as to clear a passage under the action of the direct circulation of said fluid, or to provide a seal on a seat (28) under the action of a return means and of the reverse circulation of said fluid.
- A device as claimed in claim 1, wherein return means keep the shutoff means closed.
- A device as claimed in any one of the previous claims, wherein a locking means keeps the shutoff means open.
- A device as claimed in claim 3, wherein said locking means is positioned manually.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL07871835T PL2122118T3 (en) | 2006-12-15 | 2007-12-10 | Measurement device in a horizontal well |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0610993A FR2910048B1 (en) | 2006-12-15 | 2006-12-15 | MEASURING DEVICE IN A HORIZONTAL WELL. |
PCT/FR2007/002041 WO2008087282A2 (en) | 2006-12-15 | 2007-12-10 | Measurement device in a horizontal well |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2122118A2 EP2122118A2 (en) | 2009-11-25 |
EP2122118B1 true EP2122118B1 (en) | 2019-07-24 |
Family
ID=38229384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07871835.0A Active EP2122118B1 (en) | 2006-12-15 | 2007-12-10 | Measurement device in a horizontal well |
Country Status (9)
Country | Link |
---|---|
US (1) | US8695701B2 (en) |
EP (1) | EP2122118B1 (en) |
CN (1) | CN101636557B (en) |
CA (1) | CA2671252C (en) |
CY (1) | CY1122589T1 (en) |
FR (1) | FR2910048B1 (en) |
PL (1) | PL2122118T3 (en) |
RU (1) | RU2470151C2 (en) |
WO (1) | WO2008087282A2 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO334696B1 (en) * | 2011-09-15 | 2014-05-12 | Roxar Flow Measurement As | Well hole measurement arrangement |
CA2866280C (en) * | 2012-03-09 | 2017-01-24 | Halliburton Energy Services, Inc. | Method and assembly for conveying well logging tools |
CA2886227A1 (en) | 2012-12-26 | 2014-07-03 | Halliburton Energy Services, Inc. | Method and assembly for determining landing of logging tools in a wellbore |
CA2907097A1 (en) | 2013-04-19 | 2014-10-23 | Halliburton Energy Services, Inc. | Fluid flow during landing of logging tools in bottom hole assembly |
US9631446B2 (en) | 2013-06-26 | 2017-04-25 | Impact Selector International, Llc | Impact sensing during jarring operations |
US9951602B2 (en) | 2015-03-05 | 2018-04-24 | Impact Selector International, Llc | Impact sensing during jarring operations |
RU175906U1 (en) * | 2017-05-15 | 2017-12-22 | Общество с ограниченной ответственностью "Предприятие "ФХС-ПНГ" | Device for geophysical and hydrodynamic studies of production horizontal wells |
EA032471B1 (en) * | 2017-05-15 | 2019-05-31 | Общество с ограниченной ответственностью Предприятие "ФХС-ПНГ" | Complex for geophysical and hydrodynamic exploration of producing horizontal wells |
Family Cites Families (15)
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US3066693A (en) * | 1960-02-18 | 1962-12-04 | Jr Julian S Taylor | Float valve for drill pipe and the like |
US3446237A (en) * | 1967-04-03 | 1969-05-27 | William L Haley | Drill pipe float valve |
US4064939A (en) * | 1976-11-01 | 1977-12-27 | Dresser Industries, Inc. | Method and apparatus for running and retrieving logging instruments in highly deviated well bores |
US4220176A (en) * | 1978-04-10 | 1980-09-02 | Russell Larry R | Methods and apparatus for controlling fluid flow |
US4376464A (en) * | 1980-12-08 | 1983-03-15 | Otis Engineering Corporation | Well safety valve |
SU987083A2 (en) * | 1981-07-21 | 1983-01-07 | Опытно-Конструкторское Бюро Геофизического Приборостроения | Cable head for deep-well instrument |
US4510797A (en) * | 1982-09-23 | 1985-04-16 | Schlumberger Technology Corporation | Full-bore drill stem testing apparatus with surface pressure readout |
SU1317106A1 (en) * | 1985-12-02 | 1987-06-15 | Восточно-Сибирский Научно-Исследовательский Институт Геологии,Геофизики И Минерального Сырья | Device for connecting downhole instruments with cable |
SU1408058A1 (en) * | 1986-10-30 | 1988-07-07 | Опытно-Конструкторское Бюро Геофизического Приборостроения Объединения "Укргеофизика" | Arrangement for sealing the assemblies of downhole instrument |
US5927402A (en) * | 1997-02-19 | 1999-07-27 | Schlumberger Technology Corporation | Down hole mud circulation for wireline tools |
US6062905A (en) * | 1997-02-19 | 2000-05-16 | Schlumberger Technology Corporation | Male pin connector |
US5871052A (en) * | 1997-02-19 | 1999-02-16 | Schlumberger Technology Corporation | Apparatus and method for downhole tool deployment with mud pumping techniques |
GB2372057B (en) * | 2001-02-09 | 2005-05-18 | Reeves Wireline Tech Ltd | A drillpipe assembly and a method of deploying a logging tool |
CN2837509Y (en) * | 2005-11-10 | 2006-11-15 | 吉林石油集团有限责任公司 | Horizontal well logging cable protector |
US7640979B2 (en) * | 2006-06-23 | 2010-01-05 | Schlumberger Technology Corporation | System for well logging |
-
2006
- 2006-12-15 FR FR0610993A patent/FR2910048B1/en not_active Expired - Fee Related
-
2007
- 2007-12-10 CN CN2007800501817A patent/CN101636557B/en active Active
- 2007-12-10 US US12/519,181 patent/US8695701B2/en active Active
- 2007-12-10 CA CA2671252A patent/CA2671252C/en active Active
- 2007-12-10 WO PCT/FR2007/002041 patent/WO2008087282A2/en active Application Filing
- 2007-12-10 EP EP07871835.0A patent/EP2122118B1/en active Active
- 2007-12-10 PL PL07871835T patent/PL2122118T3/en unknown
- 2007-12-10 RU RU2009127098/03A patent/RU2470151C2/en active
-
2019
- 2019-10-24 CY CY20191101113T patent/CY1122589T1/en unknown
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
CN101636557A (en) | 2010-01-27 |
RU2009127098A (en) | 2011-01-20 |
WO2008087282A3 (en) | 2009-08-27 |
CY1122589T1 (en) | 2021-01-27 |
CA2671252C (en) | 2014-02-11 |
WO2008087282A2 (en) | 2008-07-24 |
FR2910048A1 (en) | 2008-06-20 |
EP2122118A2 (en) | 2009-11-25 |
FR2910048B1 (en) | 2009-02-06 |
PL2122118T3 (en) | 2020-01-31 |
RU2470151C2 (en) | 2012-12-20 |
US8695701B2 (en) | 2014-04-15 |
US20100089567A1 (en) | 2010-04-15 |
CA2671252A1 (en) | 2008-07-24 |
CN101636557B (en) | 2013-04-10 |
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