EP2929143B1 - Probennehmer für unter druck stehende flüssigkeit zur überwachung der geologischen lagerung von gas - Google Patents

Probennehmer für unter druck stehende flüssigkeit zur überwachung der geologischen lagerung von gas Download PDF

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Publication number
EP2929143B1
EP2929143B1 EP13805449.9A EP13805449A EP2929143B1 EP 2929143 B1 EP2929143 B1 EP 2929143B1 EP 13805449 A EP13805449 A EP 13805449A EP 2929143 B1 EP2929143 B1 EP 2929143B1
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EP
European Patent Office
Prior art keywords
chamber
piston
fluid
elastic element
sample chamber
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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.)
Not-in-force
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EP13805449.9A
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English (en)
French (fr)
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EP2929143A1 (de
Inventor
Bruno Garcia
Miguel Garcia
Claudio FERNANDES-MARTO
Virgile Rouchon
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IFP Energies Nouvelles IFPEN
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IFP Energies Nouvelles IFPEN
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Priority to PL13805449T priority Critical patent/PL2929143T3/pl
Publication of EP2929143A1 publication Critical patent/EP2929143A1/de
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    • 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
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
    • 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
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
    • E21B49/087—Well testing, e.g. testing for reservoir productivity or formation parameters
    • E21B49/088—Well testing, e.g. testing for reservoir productivity or formation parameters combined with sampling
    • 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
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
    • E21B49/081—Obtaining fluid samples or testing fluids, in boreholes or wells with down-hole means for trapping a fluid sample

Definitions

  • the invention relates to the technical field of the exploitation of underground environment, such as the exploitation of a gas tank (storage / withdrawal of gas, gas exploitation) and the monitoring of these operations (contamination of operations on aquifers).
  • the invention relates to the field of geological site monitoring of gas storage, such as carbon dioxide (CO 2 ) or methane.
  • the invention relates to fluid sampling devices, and more particularly to a device for sampling fluids under pressure in a well, a pipe, tube, pipe or the like.
  • Fluids in wells often need to be removed to determine their composition, in order to characterize the geological reservoirs reached by the well. This is particularly the case for geological site monitoring of gas storage.
  • sampler For sampling fluids under pressure in a well drilled through a geological formation.
  • sampler For sampling fluids under pressure in a well drilled through a geological formation.
  • FTS Flow Through Sampler
  • Patent is known US5945611A a device for sampling fluids under pressure in a pipe, pipe, conduit or the like.
  • This device comprises a plurality of pistons, a body having a common passage, wherein said pistons are slidably mounted, a lateral inlet and a lateral outlet located inside said passageway and communicating with the pipeline, said orifices inlet and outlet located so that the movement of the pistons can cover and discover said inlet and outlet ports.
  • Patent is known US5896926 a device for withdrawing underground aquifer fluids in situ in a static condition without disturbing the environment but comprising a "packer” for isolating the sampling system with the zone situated above it and an in situ pumping system in said sampler to "suck" the fluid into the sampling chamber.
  • Patent is known UK2252296 a device for sampling fluids in geological formations.
  • the sampling device is closed by a movable piston.
  • Patent is known US3095930 a device for sampling fluids in a well.
  • the sampling device comprises two movable pistons.
  • the object of the invention relates to a device for sampling pressurized fluids from a well, making it possible to sample a fluid under pressure by ensuring a complete filling of a sampling chamber, and a transfer of the fluid out of the chamber by controlling the pressure.
  • the device comprises firstly a piston controlled by a spring bathed in an oil chamber to sample the fluid, and secondly, a second piston for expelling the fluid during transfer.
  • the device is held in the open or closed position by the compressed spring housed in the chamber filled with oil.
  • the oil contained in the chamber of the spring makes it possible to dampen the decompression effect and to perform the sampling smoothly.
  • the device allows the recovery of sampled fluid through the mechanical action of a solid piston through a manual valve.
  • This design eliminates mercury systems or fluid piston system, and recover all or part of the fluid under controlled pressure conditions.
  • this design eliminates a clearing chamber and an oil chamber as used in almost all known samplers.
  • the first piston (05) can be connected to the elastic element (20) by a rectilinear element (04, 07), so that when the elastic element (20) is compressed, the rectilinear element pushes the first piston (05) out of a sampling chamber (01) allowing a fluid to enter the sampling chamber (01). And when the elastic element (20) is expanded, the rectilinear element cooperates with the second piston (02) to seal the sampling chamber (01) in its upper part, and the rectilinear element goes back first. piston (05) for sealingly closing the sampling chamber (01) in its lower part.
  • the rectilinear element comprises a rod (04), the second piston (02) has a central orifice allowing an upper part of the rod (04) to slide, and allowing a tight closure with a lower part. of the rod (04), the diameter of the lower part of the rod (04) being greater than that of the upper part.
  • the sampling chamber (01) can be closed in its lower part by a nozzle (06) provided with at least a first orifice, the nozzle (06) having a length allowing the first piston (05) to enter a fluid in the sampling chamber (01) via the first port, when the elastic member (20) is compressed.
  • the circulation means may comprise at least a first fluid outlet orifice in the upper part of the chamber and at least a second orifice on the end piece (06).
  • the body (10, 03, 08) may comprise at least one tube (10, 03, 08), the body comprising the elastic element (20) and means (07, 22, 09, 23) for expanding or compressing the tube. elastic element (20).
  • the means (07, 22, 09, 23) for expanding or compressing the elastic element (20) may comprise a slotted shell (09) slidably mounted in the body (10, 03, 08) and cooperating with a handle (23) for compressing or releasing the elastic member (20).
  • the means (07, 22, 09, 23) for expanding or compressing the elastic element (20) can be connected to an electric motor or a clock (24).
  • the electric motor or the clock (24) can be positioned in a tube (11) having a needle valve (26) and a high pressure connection to fill the chamber of the elastic member (20) with oil.
  • the elastic member (20) may be a spring or a set of Belleville washers.
  • a transfer piston (12) can be mounted so as to push the second piston (02), the transfer piston (12) being hollow and adapted so that the rod (04) slides on the inside.
  • the tip (06) can be removed from said sampling chamber (01), and replace with a nozzle (13) without an orifice for maintaining said first piston (05) within said chamber.
  • the first piston (05) can be equipped with a needle valve (25) and a high pressure connection for discharging the fluid out of the sampling chamber (01).
  • the operation of an underground geological site may consist of the monitoring of a geological CO 2 storage site, or the monitoring of a natural gas storage / withdrawal site, or the monitoring of a geological site. exploitation of shale gas.
  • the device according to the invention for withdrawing fluids under pressure is based on the principle of so-called FTS (Flow Through Sampler) samplers, in which the well liquid circulates freely inside the device.
  • FTS Flow Through Sampler
  • the holding means comprise a first piston (05) adapted to allow or prohibit the entry of fluid into the lower part of said chamber (01), said first piston being moved by means comprising an elastic element (20) placed in a chamber filled with oil within said body and connected to said piston by a rod (04).
  • the transfer means comprise means for controlling the descent of a second piston (02) from the upper part to the lower part of said chamber, so that said fluid remains at constant pressure in said chamber (01) .
  • the figure 1 illustrates the device in the "open” position.
  • the figure on the right is a section along the AA axis of the figure on the left.
  • the figure 2 represents the lower part of the device.
  • the figure 3 illustrates the device in the "closed” position.
  • the middle figure is a section along the BB axis of the figure on the left, and the figure on the right is a section along the CC axis of the middle figure.
  • the figure 4 represents the central part of the device.
  • the device according to the invention comprises figure 1 ) a sampling chamber (01).
  • This chamber has the function of receiving the pressurized fluid (in background condition).
  • the sampling chamber may comprise a shell (01) defining an internal volume for receiving the fluid.
  • the lower part of the chamber (01) can be screwed into a lower nozzle (06) having at least one orifice to let in the fluid.
  • the upper part of the chamber (01) is screwed into a body (10, 03, 08).
  • the chamber also has an orifice in its upper part, so as to circulate the fluid within the chamber: the fluid enters through the lower opening of the chamber, or through the orifice of the lower nozzle (06), and spring at the orifice of the chamber in its upper part.
  • the body comprises a chamber filled with oil in which a resilient element (20) is embedded.
  • This elastic element may be a spring or a set of washers Beautiful city. It is connected via a spacer (07) and a rod (04) to a lower piston (05).
  • This piston (05) is adapted to allow or prohibit the entry of the fluid under pressure into the lower part of the chamber (01). To do this, in the high position, the piston (05) is positioned at least partially in the chamber (01), at its lower end, it mouth the inlet tightly (the piston has joints for example). In the low position, the piston leaves the chamber (01), allowing the fluid to enter. When the chamber (01) is provided with a lower nozzle (06), this nozzle (06) has a length allowing the lower piston (5) out of the chamber, and thus, to let a fluid into the chamber sampling (01) via the orifice.
  • the rod (04) pushes (with the spacer (07)) the lower piston (05) out of the sampling chamber (01) so as to allow a fluid to enter the chamber.
  • the rod (04) raises the lower piston (05) to seal the sampling chamber (01) in its lower part.
  • the lower piston (05) can be equipped with a needle valve (25) and a high pressure connection for discharging the fluid out of the sampling chamber (01), when the device is reassembled, and that the fluid sample must be analyzed.
  • a second piston (02), said upper piston, is positioned in the chamber (01) at its upper end when the fluid is not transferred out of the chamber.
  • This upper piston (02) is adapted to slide in the chamber, from one end to another. It has a central orifice, allowing an upper part of the rod (04) to slide, and allowing a tight closure with a lower part of the rod (04), the diameter of the lower part of the rod (04) being greater to that of the upper part.
  • the rod (04) cooperates with the upper piston (02) to seal said sampling chamber (01) in its upper part.
  • the rod (04) has a shoulder which closes the hole of the upper piston (02).
  • This upper piston (02) can be locked by appropriate locking screws (27).
  • the chamber can be closed at its upper part by a body member (10, 03, 08), called the connecting tube (10).
  • This junction tube is attached to an upper tube (08) via another tube (03).
  • figure 5 represents the upper part of the device.
  • the means (07, 22, 09, 23) for expanding or compressing said elastic member (20) are connected to an electric motor or clock (24).
  • This motor part is located in a housing tube (11), which is fixed to the body (10, 03, 08), at the upper tube (08).
  • This motor part is surmounted by a hooking piece (14) to be able to attach the device to a cable and down into a well.
  • the motor or the clock cooperates with the handle by means of an axis.
  • the housing tube (11) is equipped with a needle valve (26) and a high pressure connection to fill the spring chamber with oil.
  • the device according to the invention comprises closing aid means (not shown) for discharging from the chamber (01) a portion of the fluid removed, during the ascent of the lower piston (05), so as to that the fluid does not hinder the closure.
  • the fluid under pressure circulates freely within the sampling chamber (01).
  • the spring (20) is armed and maintained at a certain level (80% for example) of its compression by a handle (23) connected to the axis of the motor (or clock).
  • the lower piston (05) is in the low position.
  • the well fluid thus circulates freely through the sampling chamber (during the descent of the sampler in the well, for example).
  • the fluid passes through the orifices of the nozzle (06), the fluid rises in the chamber and passes between the rod (04) and the upper piston (02).
  • a set of holes and openings allows the fluid to flow through the orifices (oblong openings) of the ferrule (01).
  • the gray areas on the figure 6 indicate the presence of the fluid.
  • the orifices (oblong openings) of the chamber (01) and the tip (06) are equipped with a grid (with a mesh of 80 microns for example) for sieving the solid particles of the fluid.
  • the spring (20) is released.
  • the handle (23) turns and as soon as it has 1 ⁇ 4 turn, it is found at the opening of the shell (09).
  • the spring (20) is then released and relaxes carrying with it: the spacer (07), the rod (04) and the lower piston (05). As the chamber of the spring is filled with oil, this rise is done smoothly and does not disturb the fluid taken.
  • the piston (05) is found in the lower part of the shell (01) and sealing is provided in the lower part of the sampling chamber.
  • the rod (04) which seals on the upper piston (02) thanks to the larger diameter at the base of the rod.
  • the fluid sample is insulated and sealed. The sampler can be raised to the surface.
  • the figures 8 , 9 and 10 illustrate 3D views of the device.
  • This device has the advantage of being able to be lowered into the open position in the underground environment, so as to overcome the problems of opening in the underground environment and to allow complete filling of the sampling chamber.
  • the set of analyzes is interpreted and makes it possible to determine in particular if a CO 2 leak is present at the storage site and what type of leakage it is.
  • a surface operator operates the electric motor (24) at the desired time. This motor turns the handle (23).
  • An on-board, stand-alone clock activates the handle (23) at the scheduled date and time.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Claims (16)

  1. Vorrichtung zur Entnahme von Flüssigkeiten unter Druck aus einem Schacht, umfassend eine Kammer zur Probenahme (01), die ein Innenvolumen definiert, um die Flüssigkeit aufzunehmen, einen Körper (10, 03, 08), der über der Kammer zur Probenahme angeordnet ist, Zirkulationsmittel, um die Flüssigkeit in der Kammer zirkulieren zu lassen, Haltemittel, um die Flüssigkeit in der Kammer zu halten, und Weiterleitungsmittel, um die Flüssigkeit aus der Kammer weiterzuleiten, dadurch gekennzeichnet, dass:
    - die Haltemittel einen ersten Kolben (05) umfassen, der dazu vorgesehen ist, den Eintritt von Flüssigkeit in den unteren Teil der Kammer (01) zu gestatten oder zu verhindern, wobei ein elastisches Element (20), das in einer mit Öl gefüllten Kammer angeordnet ist, geeignet ist, den ersten Kolben (05) zu verschieben;
    - die Weiterleitungsmittel Mittel umfassen, um die Absenkung eines zweiten Kolbens (02) vom oberen Teil zum unteren Teil der Kammer zu kontrollieren, so dass die Flüssigkeit in der Kammer (01) auf einem konstanten Druck bleibt.
  2. Vorrichtung nach Anspruch 1, bei der der erste Kolben (05) mit dem elastischen Element (20) durch ein geradliniges Element (04, 07) verbunden ist, so dass, wenn das elastische Element (20) zusammengedrückt wird, das geradlinige Element den ersten Kolben (05) aus der Kammer (01) zur Probenahme schiebt, wobei eine Flüssigkeit in die Kammer (01) zur Probenahme eingelassen wird.
  3. Vorrichtung nach Anspruch 1, bei der der erste Kolben (05) mit dem elastischen Element (20) durch ein geradliniges Element (04, 07) verbunden ist, so dass, wenn das elastische Element (20) entspannt ist, das geradlinige Element mit dem zweiten Kolben (02) zusammenwirkt, um die Kammer (01) zur Probenahme in ihrem oberen Teil dicht zu verschließen, und das geradlinige Element den ersten Kolben (05) hochschiebt, um die Kammer (01) zur Probenahme in ihrem unteren Teil dicht zu verschließen.
  4. Vorrichtung nach einem der Ansprüche 2 und 3, bei der das geradlinige Element eine Stange (04) umfasst, der zweite Kolben (02) eine zentrale Öffnung besitzt, die es einem oberen Teil der Stange (04) ermöglicht zu gleiten, und einen dichten Verschluss mit einem unteren Teil der Stange (04) ermöglicht, wobei der Durchmesser des unteren Teils der Stange (04) größer als jener des oberen Teils ist.
  5. Vorrichtung nach einem der vorhergehenden Ansprüche, bei der die Kammer (01) zur Probenahme in ihrem unteren Teil durch einen Ansatz (06) geschlossen ist, der mit mindestens einer ersten Öffnung versehen ist, wobei der Ansatz (06) eine Länge hat, die es dem ersten Kolben (05) ermöglicht, eine Flüssigkeit in die Kammer (01) zur Probenahme durch die erste Öffnung einzulassen, wenn das elastische Element (20) zusammengedrückt wird.
  6. Vorrichtung nach Anspruch 4, bei der die Zirkulationsmittel mindestens eine erste Flüssigkeitsaustrittsöffnung im oberen Teil der Kammer und mindestens eine zweite Öffnung am Ansatz (06) umfassen.
  7. Vorrichtung nach einem der vorhergehenden Ansprüche, bei der der Körper (10, 03, 08) mindestens ein Rohr (10, 03, 08) umfasst, wobei der Körper das elastische Element (20) und Mittel (07, 22, 09, 23) umfasst, um das elastische Element (20) zu entspannen oder zusammenzudrücken.
  8. Vorrichtung nach Anspruch 7, bei der die Mittel (07, 22, 09, 23), um das elastische Element (20) zu entspannen oder zusammenzudrücken, einen geschlitzten Ring (09) umfassen, der gleitend in dem Körper (10, 03, 08) montiert ist und mit einem Griff (23) zusammenwirkt, um das elastische Element (20) zusammenzudrücken oder freizugeben.
  9. Vorrichtung nach einem der Ansprüche 7 und 8, bei der die Mittel (07, 22, 09, 23), um das elastische Element (20) zu entspannen oder zusammenzudrücken, mit einem Elektromotor oder einer Zeitschaltung (24) verbunden sind.
  10. Vorrichtung nach Anspruch 9, bei der der Elektromotor oder die Zeitschaltung (24) in einem Rohr (11) angeordnet sind, umfassend ein Regulierventil (26) und einen Hochdruckanschluss, um die Kammer des elastischen Elements (20) mit Öl zu füllen.
  11. Vorrichtung nach einem der vorhergehenden Ansprüche, bei der das erste elastische Element (20) eine Feder oder eine Einheit von Belleville-Scheiben ist.
  12. Vorrichtung nach einem der Ansprüche 2 bis 4, bei der ein Transferkolben (12) derart montiert ist, dass er den zweiten Kolben (02) schiebt, wobei der Transferkolben (12) hohl und dazu vorgesehen ist, dass das geradlinige Element (04) in seinem Inneren gleitet.
  13. Vorrichtung nach Anspruch 5, bei der der Ansatz (06) von der Kammer (01) zur Probenahme demontiert und durch einen Ansatz (13) ohne Öffnung ersetzt werden kann, der es ermöglicht, den ersten Kolben (05) in der Kammer zu halten.
  14. Vorrichtung nach einem der vorhergehenden Ansprüche, bei der der erste Kolben (05) mit einem Regulierventil (25) und einem Hochdruckanschluss versehen ist, der es ermöglicht, die Flüssigkeit aus der Kammer (01) zur Probenahme abzuleiten.
  15. Verwendung der Vorrichtung nach Anspruch 8, bei der eine Beobachtung der Nutzung eines unterirdischen geologischen Standortes durch Entnahme einer Flüssigkeit unter Druck mit Hilfe eines Beobachtungsschachts erfolgt, dadurch gekennzeichnet, dass die folgenden Schritte durchgeführt werden:
    - Betätigung des Griffes, um das elastische Element zusammenzudrücken;
    - Absenken der Vorrichtung in "offener" Position in den Beobachtungsschacht mit Hilfe eines Seils, das am oberen Teil der Vorrichtung befestigt ist;
    - in einer bestimmten Tiefe wird die Vorrichtung während einer bestimmten Dauer in "offener" Position belassen;
    - Betätigung des Griffes, um das elastische Element freizugeben, wobei die Vorrichtung in die "geschlossene" Position übergeht;
    - Hochfahren der Vorrichtung an die Oberfläche;
    - Weiterleiten der Flüssigkeit aus der Kammer der Vorrichtung, wobei der obere Kolben geschoben wird, wobei der Druck mit Hilfe eines Drucksensors kontrolliert wird, so dass der Druck in der Kammer konstant bleibt;
    - Durchführen von Analysen der entnommenen Flüssigkeit.
  16. Verwendung nach Anspruch 15, bei der die Nutzung eines unterirdischen geologischen Standortes in der Beobachtung eines geologischen CO2-Speicherstandortes oder in der Beobachtung eines Erdgas-Speicher/Abbau-Standortes oder in der Beobachtung eines Standortes zur Nutzung von Schiefergas besteht.
EP13805449.9A 2012-12-07 2013-10-31 Probennehmer für unter druck stehende flüssigkeit zur überwachung der geologischen lagerung von gas Not-in-force EP2929143B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13805449T PL2929143T3 (pl) 2012-12-07 2013-10-31 Urządzenie do pobierania płynnych próbek pod ciśnieniem do monitorowania geologicznego składowania gazu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1203329A FR2999224B1 (fr) 2012-12-07 2012-12-07 Preleveur de fluide sous pression pour la surveillance de stockage geologique de gaz
PCT/FR2013/052614 WO2014087061A1 (fr) 2012-12-07 2013-10-31 Préleveur de fluide sous pression pour la surveillance de stockage geologique de gaz

Publications (2)

Publication Number Publication Date
EP2929143A1 EP2929143A1 (de) 2015-10-14
EP2929143B1 true EP2929143B1 (de) 2016-10-19

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US (1) US9644479B2 (de)
EP (1) EP2929143B1 (de)
CN (1) CN104838089B (de)
CA (1) CA2892653C (de)
FR (1) FR2999224B1 (de)
MX (1) MX357679B (de)
PL (1) PL2929143T3 (de)
RU (1) RU2603646C1 (de)
WO (1) WO2014087061A1 (de)

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FR3028880B1 (fr) 2014-11-25 2021-06-25 Ifp Energies Now Dispositif de prelevement d'un fluide sous pression equipe de moyens pour augmenter le volume de la chambre d'echantillonnage
FR3040730B1 (fr) 2015-09-08 2017-10-06 Ifp Energies Now Sonde de mesures permanentes dans le sol et sous-sol
FR3068066B1 (fr) 2017-06-21 2019-08-16 IFP Energies Nouvelles Installation mobile d'analyse d'un fluide
CN108387404B (zh) * 2018-04-02 2020-06-12 龙口检验认证有限公司 一种石油检测取样器
CN110578498B (zh) * 2019-08-12 2020-07-10 浙江大学 一种自适应放气杆及浅层气有控放气回收系统及方法
US12320349B2 (en) * 2022-09-06 2025-06-03 Mustang Sampling, Llc Fluid sample pump system
CN117030349B (zh) * 2023-09-13 2024-04-02 中国矿业大学 一种地热流体密闭取样装置

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CN104838089A (zh) 2015-08-12
CA2892653A1 (fr) 2014-06-12
FR2999224B1 (fr) 2016-09-30
WO2014087061A1 (fr) 2014-06-12
CA2892653C (fr) 2020-05-12
US20150315908A1 (en) 2015-11-05
MX2015007088A (es) 2015-09-25
PL2929143T3 (pl) 2017-08-31
RU2603646C1 (ru) 2016-11-27
CN104838089B (zh) 2018-10-02
US9644479B2 (en) 2017-05-09
EP2929143A1 (de) 2015-10-14
MX357679B (es) 2018-07-19
FR2999224A1 (fr) 2014-06-13

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