BRPI1013279A2 - aparelho para medir espessura de tubo ferromagnético usando detecção de corrente parasita por campo remoto, aparelho para medir defeitos em um tubo de poço usando medição de correntes parasitas por campo remoto, aparelho para medir defeitos em um tubo usando medição de correntes parasitas por campo remoto, e método para remover defeitos fantasmas de um dispositivo detector de correntes parasitas por remoto. - Google Patents
aparelho para medir espessura de tubo ferromagnético usando detecção de corrente parasita por campo remoto, aparelho para medir defeitos em um tubo de poço usando medição de correntes parasitas por campo remoto, aparelho para medir defeitos em um tubo usando medição de correntes parasitas por campo remoto, e método para remover defeitos fantasmas de um dispositivo detector de correntes parasitas por remoto.Info
- Publication number
- BRPI1013279A2 BRPI1013279A2 BRPI1013279A BRPI1013279A BRPI1013279A2 BR PI1013279 A2 BRPI1013279 A2 BR PI1013279A2 BR PI1013279 A BRPI1013279 A BR PI1013279A BR PI1013279 A BRPI1013279 A BR PI1013279A BR PI1013279 A2 BRPI1013279 A2 BR PI1013279A2
- Authority
- BR
- Brazil
- Prior art keywords
- eddy current
- defects
- measuring
- tube
- remote
- Prior art date
Links
- 230000007547 defect Effects 0.000 title 3
- 238000001514 detection method Methods 0.000 title 2
- 238000005259 measurement Methods 0.000 title 2
- 230000005294 ferromagnetic effect Effects 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9013—Arrangements for scanning
- G01N27/902—Arrangements for scanning by moving the sensors
-
- 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
- E21B47/006—Detection of corrosion or deposition of substances
-
- 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
- E21B47/08—Measuring diameters or related dimensions at the borehole
- E21B47/085—Measuring diameters or related dimensions at the borehole using radiant means, e.g. acoustic, radioactive or electromagnetic
-
- 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
- E21B49/003—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 by analysing drilling variables or conditions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
- G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9073—Recording measured data
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9073—Recording measured data
- G01N27/9086—Calibrating of recording device
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Geophysics (AREA)
- Electromagnetism (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20090290508 EP2270420B1 (en) | 2009-06-30 | 2009-06-30 | Method and apparatus for removal of the double indication of defects in remote eddy current inspection of pipes |
| PCT/EP2010/003800 WO2011000500A1 (en) | 2009-06-30 | 2010-06-25 | Method and apparatus for removal of the double indication of defects in remote eddy current inspection of pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI1013279A2 true BRPI1013279A2 (pt) | 2016-04-05 |
Family
ID=41557535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI1013279A BRPI1013279A2 (pt) | 2009-06-30 | 2010-06-25 | aparelho para medir espessura de tubo ferromagnético usando detecção de corrente parasita por campo remoto, aparelho para medir defeitos em um tubo de poço usando medição de correntes parasitas por campo remoto, aparelho para medir defeitos em um tubo usando medição de correntes parasitas por campo remoto, e método para remover defeitos fantasmas de um dispositivo detector de correntes parasitas por remoto. |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US8958989B2 (pt) |
| EP (1) | EP2270420B1 (pt) |
| BR (1) | BRPI1013279A2 (pt) |
| CA (1) | CA2765293C (pt) |
| RU (1) | RU2523603C2 (pt) |
| WO (1) | WO2011000500A1 (pt) |
Families Citing this family (62)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2270420B1 (en) * | 2009-06-30 | 2014-11-12 | Services Pétroliers Schlumberger | Method and apparatus for removal of the double indication of defects in remote eddy current inspection of pipes |
| RU2507393C1 (ru) * | 2012-08-31 | 2014-02-20 | ТиДжиТи Ойл энд Гэс Сервисиз ФЗЕ | Способ электромагнитной дефектоскопии в многоколонных скважинах и электромагнитный скважинный дефектоскоп |
| US9335296B2 (en) | 2012-10-10 | 2016-05-10 | Westinghouse Electric Company Llc | Systems and methods for steam generator tube analysis for detection of tube degradation |
| KR101800522B1 (ko) * | 2013-03-01 | 2017-11-22 | 미쓰비시덴키 가부시키가이샤 | 엘리베이터의 칸 위치 검출 장치 |
| EP2792843A1 (en) * | 2013-04-17 | 2014-10-22 | Services Pétroliers Schlumberger | Measurement Compensation Using Multiple Electromagnetic Transmitters |
| MX369496B (es) | 2013-10-03 | 2019-11-11 | Halliburton Energy Services Inc | Herramienta del interior del pozo con despliegue radial de sensores adaptables para la generación de imágenes y detección en el interior del pozo. |
| EP3025023A1 (en) * | 2013-10-03 | 2016-06-01 | Halliburton Energy Services, Inc. | Downhole multi-pipe scale and corrosion detection using conformable sensors |
| EP3033489A1 (en) * | 2013-10-03 | 2016-06-22 | Halliburton Energy Services, Inc. | Multi-mode measurements with a downhole tool using conformable sensors |
| EP3036399A1 (en) * | 2013-10-03 | 2016-06-29 | Halliburton Energy Services, Inc. | Downhole inspection with ultrasonic sensor and conformable sensor responses |
| US10234591B2 (en) * | 2014-04-10 | 2019-03-19 | Halliburton Energy Services, Inc. | Casing string monitoring using electromagnetic (EM) corrosion detection tool and junction effects correction |
| EP2950038B1 (en) | 2014-05-26 | 2017-02-15 | Services Pétroliers Schlumberger | Electromagnetic assessment of multiple conductive tubulars |
| EP3132115A4 (en) | 2014-07-11 | 2018-03-14 | Halliburton Energy Services, Inc. | Multiple-depth eddy current pipe inspection with a single coil antenna |
| BR112016029087A2 (pt) * | 2014-07-11 | 2017-08-22 | Halliburton Energy Services Inc | sistema e método |
| MX2017000035A (es) | 2014-07-11 | 2017-04-10 | Halliburton Energy Services Inc | Generacion de imagenes microenfocadas de defectos de tuberias de pozos. |
| WO2016007380A1 (en) * | 2014-07-11 | 2016-01-14 | Halliburton Energy Services, Inc. | Imaging of wellbore pipes using deep azimuthal antennas |
| MX362081B (es) | 2014-07-11 | 2019-01-07 | Halliburton Energy Services Inc | Inspección acimutal profunda de tuberías de pozo. |
| EP3149519A4 (en) * | 2014-07-12 | 2017-12-20 | Halliburton Energy Services, Inc. | Using an array of sensors between two transmitters in an eddy current logging environment |
| BR112016029190A2 (pt) * | 2014-07-12 | 2017-08-22 | Halliburton Energy Services Inc | método e sistema de detecção de defeitos em tubulações. |
| WO2016118549A1 (en) * | 2015-01-23 | 2016-07-28 | Halliburton Energy Services, Inc. | Corkscrew effect reduction on borehole induction measurements |
| US10767470B2 (en) | 2015-08-20 | 2020-09-08 | Halliburton Energy Services, Inc. | Inspection of wellbore conduits using a distributed sensor system |
| WO2017082912A1 (en) * | 2015-11-12 | 2017-05-18 | Halliburton Energy Services, Inc. | Two-dimensional imaging with multi-stage processing |
| EP3182173A1 (en) * | 2015-12-16 | 2017-06-21 | Services Pétroliers Schlumberger | Deconvolution of electromagnetic thickness measurement |
| US9715034B2 (en) | 2015-12-18 | 2017-07-25 | Schlumberger Technology Corporation | Method for multi-tubular evaluation using induction measurements |
| AU2016393815A1 (en) * | 2016-02-24 | 2018-05-17 | Halliburton Energy Services, Inc. | Signal cancellation in pipe inspection |
| AU2016406342B2 (en) | 2016-05-12 | 2022-04-28 | Halliburton Energy Services, Inc. | Electromagnetic (EM) defect detection methods and systems with enhanced inversion options |
| AU2016406347B2 (en) * | 2016-05-13 | 2021-07-15 | Halliburton Energy Services, Inc. | Electromagnetic (EM) defect detection methods and systems employing deconvolved raw measurements |
| WO2018017078A1 (en) * | 2016-07-20 | 2018-01-25 | Halliburton Energy Services, Inc. | Shaped sensor coil for attenuating motion-induced noise during remote field testing of pipe |
| EP3458678B1 (en) * | 2016-08-03 | 2024-02-28 | Halliburton Energy Services, Inc. | Multi-spacing array tool |
| WO2018031035A1 (en) * | 2016-08-12 | 2018-02-15 | Halliburton Energy Services, Inc. | High-resolution remote-field eddy current characterization of pipes |
| US10571242B2 (en) * | 2016-08-12 | 2020-02-25 | Halliburton Energy Services, Inc. | Elimination of residual magnetism effect in eddy current based inspection of pipes |
| US10670563B2 (en) * | 2016-08-12 | 2020-06-02 | Halliburton Energy Services, Inc. | Method for in-situ calibration of electromagnetic corrosion detection tools |
| US11174725B2 (en) * | 2016-08-12 | 2021-11-16 | Halliburton Energy Services, Inc. | Tool and method to make high resolution and high penetration measurement of corrosion |
| BR112019000791A2 (pt) * | 2016-08-19 | 2019-04-24 | Halliburton Energy Services, Inc. | sistema de detecção de corrosão para pelo menos um tubo, método para determinar a corrosão de um tubo e método para determinar a espessura do tubo |
| US9977144B2 (en) | 2016-09-15 | 2018-05-22 | Schlumberger Technology Corporation | Nested tubular analysis via electromagnetic logging |
| US10465509B2 (en) * | 2016-10-12 | 2019-11-05 | Baker Hughes, A Ge Company, Llc | Collocated multitone acoustic beam and electromagnetic flux leakage evaluation downhole |
| BR112019005742A2 (pt) | 2016-10-24 | 2019-06-18 | Halliburton Energy Services Inc | método e sistema para medições relacionadas à exploração de petróleo e gás, e, dispositivo de armazenamento legível por máquina com instruções armazenadas no mesmo |
| GB2567785A (en) * | 2016-11-06 | 2019-04-24 | Halliburton Energy Services Inc | Detection of pipe characteristics with a remote field eddy current |
| US10761060B2 (en) | 2016-11-06 | 2020-09-01 | Halliburton Energy Services, Inc. | Reducing effects of pipe couplings in corrosion inspection of pipes |
| US10260854B2 (en) | 2016-12-07 | 2019-04-16 | Probe Technology Services, Inc. | Pulsed eddy current casing inspection tool |
| CN106596715B (zh) * | 2017-01-20 | 2024-01-26 | 西安石油大学 | 一种阵列式瞬变电磁法多层管柱损伤检测系统及方法 |
| US10605720B2 (en) | 2017-01-31 | 2020-03-31 | Halliburton Energy Services, Inc. | Alignment of responses for thickness estimations in a corrosion detection tool |
| WO2018156120A1 (en) * | 2017-02-22 | 2018-08-30 | Halliburton Energy Services, Inc. | Thickness value restoration in eddy current pipe inspection |
| GB2560536A (en) * | 2017-03-14 | 2018-09-19 | Salunda Ltd | Sensing of the contents of a bore |
| US11306577B2 (en) | 2017-06-08 | 2022-04-19 | Halliburton Energy Services, Inc. | Calibrating electromagnetic corrosion detection tools via core saturation |
| WO2019005016A1 (en) * | 2017-06-27 | 2019-01-03 | Halliburton Energy Services, Inc. | DIAGRAM OF TOTAL THICKNESS BASED ON FOUCAULT CURRENCIES FIELD FIELD |
| US20200257014A1 (en) * | 2017-06-29 | 2020-08-13 | Hailiburton Energy Services, Inc. | Using Magnetism To Evaluate Tubing String Integrity In A Wellbore With Multiple Tubing Strings |
| GB2577834B (en) * | 2017-08-30 | 2022-02-09 | Halliburton Energy Services Inc | Artifact identification and removal method for electromagnetic pipe inspection |
| CN107807395A (zh) * | 2017-10-27 | 2018-03-16 | 中国矿业大学 | 矿井瞬变电磁井上下立体双磁源探测方法 |
| WO2019094209A1 (en) * | 2017-11-07 | 2019-05-16 | Halliburton Energy Services, Inc. | Method for estimating the material properties and the individual thicknesses of nested pipes |
| RU2671296C1 (ru) * | 2017-12-18 | 2018-10-30 | Владимир Иванович Панин | Способ оценки коррозионных потерь металла в недоступном участке трубопровода |
| US12018939B2 (en) | 2018-06-14 | 2024-06-25 | Schlumerger Technology Corporation | System and method for analyzing an oilfield casing using an apparent thickness approach |
| EP3887646B1 (en) * | 2018-11-28 | 2025-08-13 | Oxy Usa Inc. | Method and apparatus for determining optimal installation of downhole equipment |
| US11935662B2 (en) | 2019-07-02 | 2024-03-19 | Westinghouse Electric Company Llc | Elongate SiC fuel elements |
| CN110308210B (zh) * | 2019-07-26 | 2024-04-09 | 吉林省电力科学研究院有限公司 | 同时用于远场涡流和声脉冲检测非铁磁性换热器管束缺陷的灵敏度标定样管 |
| US11581102B2 (en) | 2019-09-09 | 2023-02-14 | Westinghouse Electric Company Llc | Nuclear control system with neural network |
| CN110487891A (zh) * | 2019-09-09 | 2019-11-22 | 西安石油大学 | 一种基于瞬变电磁发射阵列的套管损伤检测方法、装置和系统 |
| KR102523509B1 (ko) | 2019-09-19 | 2023-04-18 | 웨스팅하우스 일렉트릭 컴퍼니 엘엘씨 | 콜드 스프레이 침착물의 현장 접착 테스트를 수행하기 위한 장치 및 사용 방법 |
| WO2022232153A1 (en) | 2021-04-26 | 2022-11-03 | Schlumberger Technology Corporation | Inversion-based combined collocated (time-domain) and multi-frequency non-collocated sensor data processing for evaluating casings |
| US11814945B2 (en) | 2021-11-19 | 2023-11-14 | Halliburton Energy Services, Inc. | Downhole nested pipe inspection using hybrid frequency and time domain logging technique |
| US12044655B2 (en) | 2021-12-01 | 2024-07-23 | Halliburton Energy Services, Inc. | Downhole well pipe inspection using optimized inspection tools |
| WO2023101665A1 (en) | 2021-12-01 | 2023-06-08 | Halliburton Energy Services, Inc. | Reconfigurable downhole pipe inspection tool |
| CN115126477B (zh) * | 2022-07-07 | 2024-07-19 | 陕西延长石油（集团）有限责任公司 | 一种磁旋式套损套漏井检测测试装置及施工方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3940689A (en) | 1974-05-14 | 1976-02-24 | Schlumberger Technology Corporation | Combined eddy current and leakage field detector for well bore piping using a unique magnetizer core structure |
| US4292588A (en) | 1978-12-18 | 1981-09-29 | Schlumberger Technology Corporation | Electromagnetic inspection tool for ferromagnetic casings |
| US5233297A (en) | 1990-08-06 | 1993-08-03 | Atlantic Richfield Company | Transient electromagnetic method and apparatus for inspecting conductive objects utilizing sensors that move during inspection |
| US5283520A (en) | 1991-04-04 | 1994-02-01 | Martin Philip W | Method of determining thickness of magnetic pipe by measuring the time it takes the pipe to reach magnetic saturation |
| US5987385A (en) * | 1997-08-29 | 1999-11-16 | Dresser Industries, Inc. | Method and apparatus for creating an image of an earth borehole or a well casing |
| RU2176317C1 (ru) | 2000-03-13 | 2001-11-27 | Открытое акционерное общество Научно-производственное предприятие Научно-исследовательский и проектно-конструкторский институт геофизических исследований геологоразведочных скважин | Способ электромагнитной дефектоскопии стальных труб в скважинах |
| US6924640B2 (en) | 2002-11-27 | 2005-08-02 | Precision Drilling Technology Services Group Inc. | Oil and gas well tubular inspection system using hall effect sensors |
| EP1795920B1 (en) | 2005-12-09 | 2013-07-17 | Services Pétroliers Schlumberger | An electromagnetic imaging method and device |
| RU2330276C2 (ru) | 2006-01-10 | 2008-07-27 | Открытое акционерное общество Научно-производственное предприятие "Научно-исследовательский и проектно-конструкторский институт геофизических исследований геологоразведочных скважин" (ОАО НПП "ВНИИГИС") | Способ электромагнитной дефектоскопии обсадных колонн в скважине и электромагнитный дефектоскоп для его реализации |
| EP2270420B1 (en) * | 2009-06-30 | 2014-11-12 | Services Pétroliers Schlumberger | Method and apparatus for removal of the double indication of defects in remote eddy current inspection of pipes |
-
2009
- 2009-06-30 EP EP20090290508 patent/EP2270420B1/en not_active Not-in-force
-
2010
- 2010-06-25 RU RU2012102933/28A patent/RU2523603C2/ru not_active IP Right Cessation
- 2010-06-25 BR BRPI1013279A patent/BRPI1013279A2/pt not_active IP Right Cessation
- 2010-06-25 WO PCT/EP2010/003800 patent/WO2011000500A1/en not_active Ceased
- 2010-06-25 CA CA2765293A patent/CA2765293C/en not_active Expired - Fee Related
- 2010-06-25 US US13/266,129 patent/US8958989B2/en not_active Expired - Fee Related
-
2015
- 2015-01-06 US US14/590,921 patent/US9476857B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2765293C (en) | 2018-01-09 |
| WO2011000500A1 (en) | 2011-01-06 |
| US20120095686A1 (en) | 2012-04-19 |
| EP2270420A1 (en) | 2011-01-05 |
| RU2012102933A (ru) | 2013-08-10 |
| US9476857B2 (en) | 2016-10-25 |
| US8958989B2 (en) | 2015-02-17 |
| EP2270420B1 (en) | 2014-11-12 |
| CA2765293A1 (en) | 2011-01-06 |
| US20150127274A1 (en) | 2015-05-07 |
| RU2523603C2 (ru) | 2014-07-20 |
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