WO2010043509A1 - Composant pour le forage et l'exploitation des puits d'hydrocarbures - Google Patents
Composant pour le forage et l'exploitation des puits d'hydrocarbures Download PDFInfo
- Publication number
- WO2010043509A1 WO2010043509A1 PCT/EP2009/062870 EP2009062870W WO2010043509A1 WO 2010043509 A1 WO2010043509 A1 WO 2010043509A1 EP 2009062870 W EP2009062870 W EP 2009062870W WO 2010043509 A1 WO2010043509 A1 WO 2010043509A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- component according
- component
- sealing surface
- groove
- end portion
- 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.)
- Ceased
Links
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
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
-
- 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
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
Definitions
- the subject of the present invention is a component used for drilling and exploitation of hydrocarbon wells, and more specifically the end of such a component, said end being of the male or female type and capable of being connected to one end. corresponding component of another component also used for the drilling and exploitation of hydrocarbon wells.
- component used for the drilling and exploitation of hydrocarbon wells means any element of substantially tubular form intended to be assembled with another element of the same type or not to form in fine is a seal capable of drilling a well.
- hydrocarbon well either an underwater riser for maintenance such as “workover riser” or a column of casing or production of large thickness involved in the operation of the well.
- the invention applies in particular to the components used in a drill string, such as, for example, “Drill Pipes", “Heavy Weight Drill Pipes” heavy rods, “Drill” rods and parts. connecting rods and heavy rods called “tool joint”.
- each component used in a drill string generally comprises one end provided with a male threaded zone and one end provided with a female threaded zone each intended to be assembled by screwing with the corresponding end of another component. , the assembly defining a connection.
- the lining thus formed is rotated during drilling at the surface of the well; therefore the components must be screwed together with a large torque to be able to transmit a sufficient torque to allow drilling in the well without there being unscrewing or over-screwing.
- the tightening torque is generally achieved by cooperation in clamping abutment surfaces provided on each of the components to be screwed.
- pressurized sludge circulates inside the drill string to the bottom of the well so as to ensure the proper operation of the drill bit and so as to bring the debris to the surface.
- gas may be under pressure.
- the sealing thus far guaranteed by abutment surfaces is then no longer ensured.
- the clamping cooperation between the two surfaces is effected by the force-fitting of the sealing surface of the male end under the sealing surface of the female end, and this, during assembly of the screw connection.
- interference is meant the difference between the average diameter value of the portion carrying the sealing surface of the male end prior to force mounting, and the average diameter value of the portion bearing the sealing surface of the male end once it is caught in the female end.
- a second way of improvement has been to reduce interference while extending the sealing surface.
- lengthening the length of contact between the two sealing surfaces increases the instability of said contact, and therefore can induce a loss of tightness under certain operating conditions.
- the object of the invention is to overcome the problem of seizing sealing surfaces by decreasing mainly the radial stiffness of the portion carrying the male sealing surface without losing too much axial stiffness.
- the subject of the invention is a component used for the drilling and exploitation of hydrocarbon wells, of substantially tubular shape having a first end that can be connected to a second end of another packing component.
- the first end having an end portion having a first abutment surface adapted to cooperate in clamping with a corresponding abutment surface of the second end and being provided with a sealing surface adapted to cooperate in clamping with a corresponding sealing surface of the second end, said end portion being preceded by a threaded zone adapted to be screwed into a corresponding threaded zone of the second end, characterized in that a compressible volume is formed in the thickness of the first end portion and partially under the sealing surface, so as to reduce the radial stiffness of said po at least 20%, while retaining at least 60% of the axial stiffness.
- the compressible volume consists of at least one recess formed in the thickness of the end portion. According to other features, the at least one recess encroaches on at most 50% of the first abutment surface.
- the recess is a groove of substantially annular shape, and axisymmetrical along the axis of revolution of the component.
- the recess is a groove opening at the first abutment surface.
- the length of the groove is chosen so that it extends under at least 75% of the sealing surface.
- the groove has a thickness of between 10 and 40% of the minimum thickness of the zone carrying the sealing surface.
- the compressible volume is a groove opening inside the terminal portion.
- the length of the groove is chosen so that it extends under at least 75% of the sealing surface.
- the groove has a depth of between 10 and 40% of the minimum thickness of the zone carrying the sealing surface.
- the compressible volume consists of an annular recess opening inside the end portion and at the abutment surface, partially filled by a reinforcement.
- the reinforcement has an axial Young's modulus greater than the Young's modulus of the material forming the drill string.
- the reinforcement has a coefficient of friction at the level of the abutment surface which is at least 20% greater than that of the material comprising the drill string.
- the end portion includes an appendage extending after the sealing surface to the abutment surface.
- the first end of the component comprises a second abutment surface adapted to cooperate in clamping with a corresponding abutment surface of the second end.
- Figure 1A shows an axial sectional view of a component of a drill string according to a first embodiment.
- Figure 1 B shows a detailed view of the component according to the first embodiment.
- Figure 2A shows an axial sectional view of a component of a drill string according to a second embodiment.
- Figure 2B shows a detailed view of the component according to the second embodiment.
- Figure 3A shows an axial sectional view of a component of a drill string according to an improvement of the first embodiment.
- Figure 3B shows a detailed view of the component according to this improvement.
- Figure 4A shows an axial sectional view of a component of a drill string according to a variant of the first embodiment.
- FIG. 4B shows a detailed view of the variant component of the second embodiment.
- FIG. 5 presents comparative results between the prior art, the first embodiment of the invention and its improvement.
- connection between the rods of a drill string having a substantially tubular shape.
- the connection is conventionally composed of a component having a male end 200 called “male tool-seal” and a component with a female end 100 called “female tool-joint", the male end 200 being fit to be connected to the female end 100.
- the end 200 comprises an end portion 210 terminated by an internal abutment surface 21 1 adapted to cooperate with a corresponding abutment surface 101 of the female end 100.
- the terminal portion 210 also comprises a sealing surface 212 adapted to cooperate in clamping with a corresponding sealing surface 102 of the female end 100.
- the sealing surfaces 212, 102 are conventional sealing surfaces of the technical field considered. They may also be cone-cone or torus-on-cone sealing surfaces or torus and cone-cone as described in WO03 / 048623 or WO04109173.
- the end 200 also comprises a male threaded zone 220 adapted to be screwed into a corresponding threaded zone 120 of the female end 100, which precedes said end portion 210.
- the threaded zones 220, 120 are conventional threaded zones of the technical field considered. .
- a compressible volume is made in the thickness of the end portion and in particular under the sealing surface, so as to reduce the radial stiffness of said end portion by at least 20%, while retaining at least 60% of the axial stiffness.
- the volume 214a is a recess formed in the thickness of the end portion 210, so that said end portion 210 is more flexible when a force is applied perpendicular to the 300 axis of the male end.
- the recess is also designed so that it encroaches on at most 50% of the abutment surface 21 1. Thus, it preserves the axial stiffness of said end portion so that the stop plays its role during the screwing of the male ends and female.
- the recess is a groove 214a of substantially annular shape, and symmetrical about the axis of revolution 300 of the male end 200.
- the groove 214a opens at the of the internal abutment surface 21 1.
- Those skilled in the art will know how to size the groove 214 a, in particular in terms of length L, thickness e v , and radial distance from the groove with respect to the sealing surface 212, in order to reduce the radial stiffness of the end portion 210 by at least 20%. It appears in particular that the distance of the groove with respect to the sealing surface 212 is also a parameter which influences the radial stiffness.
- the length L of the groove 214a is chosen so that it extends under at least 75% of the sealing surface 212.
- the groove 214a has a thickness e v of between 10 and 40% of the minimum thickness e s of the zone carrying the sealing surface 212.
- a finite element model gives the so-called surface equation equation connecting the contact force F at the zone 212 as a function of the length L and the thickness e v.
- the groove is formed in the middle of the end so as to be equidistant from the inner and outer periphery of the end 210.
- a, b, c, d, e, f, g, h, i being finite element coefficients and functions of the dimensional characteristics of the drill string.
- the recess is a groove 214b of substantially annular shape, and symmetrical about the axis of revolution 300 of the male end 200.
- the groove 214b opens at the inside the terminal portion 210.
- Those skilled in the art will know how to size the groove 214b, particularly in terms of length L, of thickness e V ', so as to reduce the radial stiffness of the end portion 210 by at least 20% .
- the length L of the groove 214b is advantageously chosen so that it extends under at least 75% of the sealing surface 212.
- the groove 214b has a thickness e V 'between 10 and 40% of the minimum thickness e s of the zone carrying the sealing surface 212.
- a calculation also based on the finite elements makes it possible to establish an equation similar to that corresponding to the previous embodiment, is :
- a ', b', c ', d', e ', f, g', h ', i' being finite element coefficients and functions of the dimensional characteristics of the drill string.
- the annular recess 214a is filled by a reinforcement 215, and this partially so that only a space of thickness e v - is provided between said reinforcement and the surface inside the end portion 210. Due to the presence of the thickness ⁇ v of the space between said reinforcement and the inner surface of the end portion 210, a decrease in the stiffness of the portion carrying the surface of sealing 212, and this as in the embodiments described above. Moreover, thanks to the reinforcement 215 which extends to the internal abutment surface 21 1, the axial stiffness of the end portion 210, which had been affected by the recess 214, is increased.
- the reinforcement may be attached to the end 200 by any means such as for example screwing, crimping, gluing, welding, brazing.
- the reinforcement 215 has a Young's modulus greater than that of the material constituting the connection.
- the reinforcement 215 significantly increases the axial stiffness of the end portion 210 carrying the internal abutment surface.
- the tightening torque applied between the abutment surface 21 1 and the corresponding surface 101 can be increased.
- the reinforcement 215 has a coefficient of friction at the level of the abutment surface 21 1 at least 20% greater than that of the material comprising the drill string, so that it acts as a brake capable of countering the unscrewing of the packing components during drilling. It will be possible, for example, to treat the abutment surface 21 1 to increase the coefficient of friction, or to perform a metal deposition of the Cupro-nickel type.
- the invention finds an advantageous application in the case where the portion carrying the sealing surface 212 is extended by an appendage 213 thus extending after the sealing surface 212 to the internal abutment surface 21 1.
- This type a fireworks device in particular used to move the sealing surfaces away from the abutment surface, has the characteristic of reducing the axial stiffness of the end 210..
- the drill string component comprises an external abutment surface 201 able to cooperate in clamping with a corresponding abutment surface 11 1 of the female end 100.
- This external abutment surface makes it possible in particular to increase the tightening torque.
- the groove may be conformed for example to one of the embodiments described above.
- the invention can be applied both to a component having an internal abutment surface 21 1 or external 201, to a component having two abutment surfaces, one being internal and the other being external.
- connection between the components connected in a complementary manner can show two sealing zones each cooperating in contact sealing two sealing surfaces.
- the invention thus makes it possible to solve the problem of seizing generated by the sealing zones by decreasing the radial rigidity as appropriate at the level of the end portions (210, 1 10) while maintaining the axial rigidity of the abutment surfaces (211). , 11).
- the components are dimensioned, in the case where there is an internal stop and an external stop, so that the docking is done first at the internal stop or at the outer stop.
- FIG. 5 firstly presents a comparison relating to the permissible radial interference ⁇ , that is to say the maximum interference that can be obtained while remaining below the Hertz Pmax pressure from of which seizing occurs, with DO corresponding to a connection of the prior art, D1 corresponding to a connection according to the first embodiment of the invention and D3 corresponding to a connection according to the improvement of the first embodiment of the invention.
- the invention is described in FIGS. 3A and 3B. It is clear that the embodiments D1 and D3 make it possible to increase the radial interference ⁇ considerably. As a result, the seal is optimized.
- FIG. 5 also shows that the first embodiment does not greatly affect the permissible tightening torque C with respect to the results of the prior art and that the third embodiment makes it possible to increase it.
- the compressible volume formed under the sealing surface may be materialized by a plurality of grooves 214a or 214b machined in the end portion of one end of a component used for drilling and exploitation of hydrocarbon wells.
- the component can of course be a lining component capable of drilling a hydrocarbon well such as the connection parts of the rods and heavy rods called the "tool joint". It can also be an underwater riser component for maintenance, such as workover risers, a component of a casing column or heavy-gauge production involved in the operation of the well.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Gasket Seals (AREA)
Abstract
Description
Claims
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011531438A JP5613675B2 (ja) | 2008-10-15 | 2009-10-05 | 炭化水素井戸の掘削用および運転用コンポーネント |
| US13/121,963 US9470344B2 (en) | 2008-10-15 | 2009-10-05 | Component for drilling and operating hydrocarbon wells |
| CA2738094A CA2738094C (fr) | 2008-10-15 | 2009-10-05 | Composant pour le forage et l'exploitation des puits d'hydrocarbures |
| RU2011119460/06A RU2473001C1 (ru) | 2008-10-15 | 2009-10-05 | Конструктивная составляющая для бурения и разработки углеводородных скважин |
| MX2011003431A MX2011003431A (es) | 2008-10-15 | 2009-10-05 | Componente para perforacion y explotacion de pozos de hidrocarburos. |
| PL09783719T PL2344802T3 (pl) | 2008-10-15 | 2009-10-05 | Element do wiercenia i eksploatacji studni węglowodorów |
| CN2009801390647A CN102171502B (zh) | 2008-10-15 | 2009-10-05 | 用于钻探和操作烃井的部件 |
| EP09783719.9A EP2344802B1 (fr) | 2008-10-15 | 2009-10-05 | Composant pour le forage et l'exploitation des puits d'hydrocarbures |
| BRPI0920245A BRPI0920245B1 (pt) | 2008-10-15 | 2009-10-05 | componente para a perfuração e a explotação dos poços de hidrocarbonetos |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR08/05693 | 2008-10-15 | ||
| FR0805693A FR2937077B1 (fr) | 2008-10-15 | 2008-10-15 | Composant pour le forage et l'exploitation des puits d'hydrocarbures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2010043509A1 true WO2010043509A1 (fr) | 2010-04-22 |
Family
ID=40711725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2009/062870 Ceased WO2010043509A1 (fr) | 2008-10-15 | 2009-10-05 | Composant pour le forage et l'exploitation des puits d'hydrocarbures |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US9470344B2 (fr) |
| EP (1) | EP2344802B1 (fr) |
| JP (1) | JP5613675B2 (fr) |
| CN (1) | CN102171502B (fr) |
| AR (1) | AR073776A1 (fr) |
| BR (1) | BRPI0920245B1 (fr) |
| CA (1) | CA2738094C (fr) |
| FR (1) | FR2937077B1 (fr) |
| MX (1) | MX2011003431A (fr) |
| PL (1) | PL2344802T3 (fr) |
| RU (1) | RU2473001C1 (fr) |
| WO (1) | WO2010043509A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3120416A1 (fr) * | 2021-03-03 | 2022-09-09 | Vallourec Oil And Gas France | Elément tubulaire fileté à segment |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8668014B2 (en) * | 2011-02-14 | 2014-03-11 | Tejas Research & Engineering, Llc | Subsurface safety valve for high temperature and high pressure wells |
| FR2984395B1 (fr) * | 2011-12-19 | 2013-12-27 | Vallourec Mannesmann Oil & Gas | Composant tubulaire pour le forage et l'exploitation des puits d'hydrocarbures et joint filete resultant |
| GB201210852D0 (en) * | 2012-06-19 | 2012-08-01 | Rmspumptools Ltd | Seal assembly for a downhole device |
| FR3008763B1 (fr) * | 2013-07-18 | 2015-07-31 | Vallourec Mannesmann Oil & Gas | Ensemble pour la realisation d'un joint filete pour le forage et l'exploitation des puits d'hydrocarbures et joint filete resultant |
| SG11202101219XA (en) * | 2018-12-28 | 2021-03-30 | Halliburton Energy Services Inc | Threaded joint for coupling two concentric tubes to one tube |
| FR3098272B1 (fr) * | 2019-07-01 | 2022-07-22 | Vallourec Oil & Gas France | Joint filete avec epaulement realise par fabrication additive |
| US11859461B2 (en) * | 2022-03-30 | 2024-01-02 | Halliburton Energy Services, Inc. | Metal to metal tubular connection with controlled support structure |
| US12180800B2 (en) * | 2023-03-10 | 2024-12-31 | Baker Hughes Oilfield Operations Llc | Seal system, method, and borehole system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58187684A (ja) * | 1982-04-27 | 1983-11-01 | 新日本製鐵株式会社 | 油井用鋼管継手 |
| JPS5983887A (ja) * | 1982-11-04 | 1984-05-15 | 住友金属工業株式会社 | 油井管用管継手 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2239942A (en) * | 1939-05-17 | 1941-04-29 | Hydril Company Of California | Well pipe joint |
| US3100657A (en) * | 1959-10-28 | 1963-08-13 | Jersey Prod Res Co | Pipe coupling having holding means responsive to high internal fluid pressure |
| EP0087557B1 (fr) * | 1982-02-27 | 1985-05-15 | MANNESMANN Aktiengesellschaft | Raccord de tuyaux pour tuyaux métalliques |
| US4753460A (en) * | 1985-04-26 | 1988-06-28 | The Hydril Company | Tubular connection having two thread sets with multiple interengaging characteristics |
| DE3825992A1 (de) * | 1988-07-28 | 1990-02-01 | Mannesmann Ag | Bohrrohr |
| US6047997A (en) | 1996-05-15 | 2000-04-11 | Iberia Threading, Inc. | Threaded connection with radiused surfaces |
| FR2761450B1 (fr) | 1997-03-27 | 1999-05-07 | Vallourec Mannesmann Oil & Gas | Joint filete pour tubes |
| FR2807095B1 (fr) | 2000-03-31 | 2002-08-30 | Vallourec Mannesmann Oil & Gas | Element filete tubulaire delarde pour joint filete tubulaire resistant a la fatigue et joint filete tubulaire resultant |
| US6478344B2 (en) | 2000-09-15 | 2002-11-12 | Abb Vetco Gray Inc. | Threaded connector |
| US6494499B1 (en) | 2000-10-31 | 2002-12-17 | The Technologies Alliance, Inc. | Threaded connector for pipe |
| JP4092871B2 (ja) | 2000-12-04 | 2008-05-28 | 住友金属工業株式会社 | ねじ継手の潤滑処理に適した潤滑被膜形成用組成物 |
| US6755447B2 (en) | 2001-08-24 | 2004-06-29 | The Technologies Alliance, Inc. | Production riser connector |
| US6607220B2 (en) | 2001-10-09 | 2003-08-19 | Hydril Company | Radially expandable tubular connection |
| FR2833335B1 (fr) | 2001-12-07 | 2007-05-18 | Vallourec Mannesmann Oil & Gas | Joint filete tubulaire superieur contenant au moins un element filete avec levre d'extremite |
| FR2868146B1 (fr) | 2004-03-26 | 2009-01-23 | Vallourec Mannesmann Oil Gas F | Joint filete tubulaire resistant aux contraintes de flexion |
| FR2860546B1 (fr) * | 2003-10-01 | 2006-01-27 | Vallourec Mannesmann Oil & Gas | Composant tubulaire muni d'elements filetes mutuellement orientes et procede pour le realiser |
| RU2297512C2 (ru) | 2005-04-01 | 2007-04-20 | ОАО "Таганрогский металлургический завод" | Герметичное резьбовое соединение нефтепромысловых труб |
| FR2889727B1 (fr) | 2005-08-09 | 2007-09-28 | Vallourec Mannesmann Oil Gas F | Joint filete tubulaire etanche aux liquides et aux gaz |
-
2008
- 2008-10-15 FR FR0805693A patent/FR2937077B1/fr not_active Expired - Fee Related
-
2009
- 2009-10-05 MX MX2011003431A patent/MX2011003431A/es active IP Right Grant
- 2009-10-05 CA CA2738094A patent/CA2738094C/fr not_active Expired - Fee Related
- 2009-10-05 US US13/121,963 patent/US9470344B2/en active Active
- 2009-10-05 BR BRPI0920245A patent/BRPI0920245B1/pt not_active IP Right Cessation
- 2009-10-05 RU RU2011119460/06A patent/RU2473001C1/ru not_active IP Right Cessation
- 2009-10-05 PL PL09783719T patent/PL2344802T3/pl unknown
- 2009-10-05 JP JP2011531438A patent/JP5613675B2/ja not_active Expired - Fee Related
- 2009-10-05 CN CN2009801390647A patent/CN102171502B/zh not_active Expired - Fee Related
- 2009-10-05 EP EP09783719.9A patent/EP2344802B1/fr not_active Not-in-force
- 2009-10-05 WO PCT/EP2009/062870 patent/WO2010043509A1/fr not_active Ceased
- 2009-10-06 AR ARP090103843A patent/AR073776A1/es active IP Right Grant
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58187684A (ja) * | 1982-04-27 | 1983-11-01 | 新日本製鐵株式会社 | 油井用鋼管継手 |
| JPS5983887A (ja) * | 1982-11-04 | 1984-05-15 | 住友金属工業株式会社 | 油井管用管継手 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3120416A1 (fr) * | 2021-03-03 | 2022-09-09 | Vallourec Oil And Gas France | Elément tubulaire fileté à segment |
| WO2022184992A1 (fr) * | 2021-03-03 | 2022-09-09 | Vallourec Oil And Gas France | Elément tubulaire fileté à segment |
Also Published As
| Publication number | Publication date |
|---|---|
| US9470344B2 (en) | 2016-10-18 |
| BRPI0920245B1 (pt) | 2019-10-22 |
| AR073776A1 (es) | 2010-12-01 |
| BRPI0920245A2 (pt) | 2015-12-29 |
| FR2937077B1 (fr) | 2010-10-22 |
| RU2473001C1 (ru) | 2013-01-20 |
| JP5613675B2 (ja) | 2014-10-29 |
| CA2738094C (fr) | 2016-10-04 |
| CN102171502A (zh) | 2011-08-31 |
| JP2012505981A (ja) | 2012-03-08 |
| PL2344802T3 (pl) | 2013-12-31 |
| CA2738094A1 (fr) | 2010-04-22 |
| MX2011003431A (es) | 2011-04-21 |
| FR2937077A1 (fr) | 2010-04-16 |
| EP2344802A1 (fr) | 2011-07-20 |
| EP2344802B1 (fr) | 2013-07-31 |
| CN102171502B (zh) | 2013-08-07 |
| RU2011119460A (ru) | 2012-11-27 |
| US20110174482A1 (en) | 2011-07-21 |
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