JP5113340B2 - 超音波走査データを用いて物体を検査する方法およびシステム - Google Patents
超音波走査データを用いて物体を検査する方法およびシステム Download PDFInfo
- Publication number
- JP5113340B2 JP5113340B2 JP2006093436A JP2006093436A JP5113340B2 JP 5113340 B2 JP5113340 B2 JP 5113340B2 JP 2006093436 A JP2006093436 A JP 2006093436A JP 2006093436 A JP2006093436 A JP 2006093436A JP 5113340 B2 JP5113340 B2 JP 5113340B2
- Authority
- JP
- Japan
- Prior art keywords
- crack
- sensors
- pipeline
- depth
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0609—Display arrangements, e.g. colour displays
- G01N29/0645—Display representation or displayed parameters, e.g. A-, B- or C-Scan
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0654—Imaging
- G01N29/069—Defect imaging, localisation and sizing using, e.g. time of flight diffraction [TOFD], synthetic aperture focusing technique [SAFT], Amplituden-Laufzeit-Ortskurven [ALOK] technique
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/11—Analysing solids by measuring attenuation of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
- G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
- G01N29/343—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics pulse waves, e.g. particular sequence of pulses, bursts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/4463—Signal correction, e.g. distance amplitude correction [DAC], distance gain size [DGS], noise filtering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/025—Change of phase or condition
- G01N2291/0258—Structural degradation, e.g. fatigue of composites, ageing of oils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/042—Wave modes
- G01N2291/0422—Shear waves, transverse waves, horizontally polarised waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/105—Number of transducers two or more emitters, two or more receivers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/263—Surfaces
- G01N2291/2636—Surfaces cylindrical from inside
Landscapes
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Description
12 パイプライン
14 PIG
18 センサ
20 位置検出部
22 DAS
24 電源
26 亀裂サイズ検出部
28 出力装置
30 外表面
32 内表面
34 センサ
36 センサ
38 センサ
40 亀裂
42 伝送信号
44 センサの配向角
46 反射信号
48 伝送信号
50 反射信号
52 反射信号
54 伝送信号
56〜62 複数の反射信号
64 3つのセンサのAスコープ
70〜80 信号スパイク
82〜86 スキップ距離からの差
90 異なるAスコープ
94 時間軸
98 軸方向位置
100〜104 線形標識
106〜108 差分
112〜116 Bスコープ上の点
120 流れ図
122〜128 流れ図の各ステップ
Claims (9)
- 超音波走査データから亀裂の深さを推定する方法であって、
複数のセンサから受信した信号のAスコープおよびBスコープを生成するステップと、
前記Bスコープを観察して亀裂からの信号に特徴的な標識を判定するステップと、
前記特徴的な標識が観察されたセンサを識別するステップと、
前記識別されたセンサのAスコープを用いて、前記亀裂の深さを推定するステップと、
前記亀裂がパイプラインの外表面から発生しているか内表面から発生しているかを判定するステップと、
を含む方法。 - 前記複数のセンサからのデータが、センサ信号の位置、伝搬時間、入力エコー時間に関するデータを含むことを特徴とする請求項1記載の方法。
- 前記亀裂からの反射信号を受信する前記複数のセンサのそれぞれからのデータを用いて、前記亀裂の最大深さ推定値を計算するステップを含むことを特徴とする請求項1記載の方法。
- 前記亀裂からの反射信号を受信する前記複数のセンサのそれぞれからのデータを用いて、前記亀裂の平均深さ推定値を計算するステップをさらに含むことを特徴とする請求項1記載の方法。
- 前記それぞれのセンサのスキップ距離値を用いて、前記亀裂の深さを推定するステップを含むことを特徴とする請求項1記載の方法。
- 前記信号が、超音波ビームの中心線を含むことを特徴とする請求項1記載の方法。
- 超音波走査データから亀裂の深さを推定する装置であって、
複数のセンサから受信した信号のAスコープおよびBスコープを生成し、 前記Bスコープを観察して亀裂からの信号に特徴的な標識を判定する振幅プロセッサと、
前記特徴的な標識が観察されたセンサを識別し、前記識別されたセンサのAスコープを用いて前記亀裂の深さを推定し、前記亀裂がパイプラインの外表面から発生しているか内表面から発生しているかを判定する亀裂サイズ検出部と、
を含む装置。 - 前記複数のセンサからのデータが、センサ信号の位置、伝搬時間、入力エコー時間に関するデータを含むことを特徴とする請求項7記載の装置。
- 前記亀裂サイズ検出部が、前記亀裂からの反射信号を受信する複数のセンサのそれぞれからのデータを用いて、前記亀裂の最大深さ推定値を計算するように構成されることを特徴とする請求項7記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/094,909 | 2005-03-31 | ||
US11/094,909 US7299697B2 (en) | 2005-03-31 | 2005-03-31 | Method and system for inspecting objects using ultrasound scan data |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006284578A JP2006284578A (ja) | 2006-10-19 |
JP5113340B2 true JP5113340B2 (ja) | 2013-01-09 |
Family
ID=36603320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006093436A Expired - Fee Related JP5113340B2 (ja) | 2005-03-31 | 2006-03-30 | 超音波走査データを用いて物体を検査する方法およびシステム |
Country Status (4)
Country | Link |
---|---|
US (1) | US7299697B2 (ja) |
EP (1) | EP1707956B1 (ja) |
JP (1) | JP5113340B2 (ja) |
CN (1) | CN100554874C (ja) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7997139B2 (en) * | 2007-12-03 | 2011-08-16 | Fbs, Inc. | Guided wave pipeline inspection system and method with enhanced natural focusing techniques |
US8201454B2 (en) * | 2008-01-11 | 2012-06-19 | Pii Limited | Pipeline inspection apparatus and method |
EP2105737A1 (en) | 2008-03-25 | 2009-09-30 | Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO | System for ultrasonically detecting defects in a pipe wall |
GB2472081B (en) * | 2009-07-24 | 2014-03-05 | Bios Developments Ltd | A method for determining speed of a signal species in a medium and associated apparatus |
DK2545368T3 (da) * | 2010-03-10 | 2019-08-05 | Jrb Eng Pty Ltd | Fremgangsmåde og indretning til magnetisk forudsigelse af revnedybde |
US8043048B2 (en) * | 2010-04-08 | 2011-10-25 | General Electric Company | Systems and methods for monitoring a structural health of a wind turbine |
CA3116787C (en) | 2010-06-16 | 2023-07-11 | Mueller International, Llc | Infrastructure monitoring devices, systems, and methods |
US9772250B2 (en) | 2011-08-12 | 2017-09-26 | Mueller International, Llc | Leak detector and sensor |
RU2508535C2 (ru) * | 2012-04-05 | 2014-02-27 | Государственное Унитарное Предприятие "Водоканал Санкт-Петербурга" | Способ прогнозирования аварийного технического состояния трубопровода канализационной системы |
JP2015528119A (ja) | 2012-07-31 | 2015-09-24 | ゼネラル・エレクトリック・カンパニイ | 物体における幾何学的特徴の決定のための方法およびシステム |
US9939344B2 (en) | 2012-10-26 | 2018-04-10 | Mueller International, Llc | Detecting leaks in a fluid distribution system |
EP2887060A1 (en) * | 2013-12-20 | 2015-06-24 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO | Ultrasonic pipeline inspection system and method |
DE102014109793A1 (de) * | 2014-03-10 | 2015-09-10 | Ge Sensing & Inspection Technologies Gmbh | Ultraschall-Impuls-Echo-Fehlerprüfung mit hoher Prüfgeschwindigkeit insbesondere bei dünnwandigen Rohren |
FR3020463B1 (fr) * | 2014-04-25 | 2016-05-27 | Snecma | Procede et dispositif de controle par ultrasons de soudures, notamment des soudures des aubes sur le disque d'un disque aubage monobloc |
US9528903B2 (en) | 2014-10-01 | 2016-12-27 | Mueller International, Llc | Piezoelectric vibration sensor for fluid leak detection |
KR101677604B1 (ko) * | 2015-03-30 | 2016-11-21 | (주)피앤에스 | 깊이를 포함하는 용접 품질을 초음파로 검사하는 방법 및 장치 |
US20160298445A1 (en) * | 2015-04-09 | 2016-10-13 | Saudi Arabian Oil Company | Flow Monitoring Tool |
WO2017049326A1 (en) * | 2015-09-20 | 2017-03-23 | General Electric Company | Combined pulse echo inspection of pipeline systems |
US10060883B2 (en) * | 2015-10-01 | 2018-08-28 | General Electric Company | Pipeline crack detection |
US10295508B2 (en) | 2016-01-06 | 2019-05-21 | Saudi Arabian Oil Company | Integrated system for quantitative real-time monitoring of hydrogen-induced cracking in simulated sour environment |
US10305178B2 (en) | 2016-02-12 | 2019-05-28 | Mueller International, Llc | Nozzle cap multi-band antenna assembly |
US10283857B2 (en) | 2016-02-12 | 2019-05-07 | Mueller International, Llc | Nozzle cap multi-band antenna assembly |
ES2805433T3 (es) * | 2016-06-22 | 2021-02-12 | Saudi Arabian Oil Co | Sistemas y métodos para la predicción rápida del agrietamiento inducido por hidrógeno (HIC) en tuberías, recipientes de presión y sistemas de tuberías, y para tomar medidas en relación con el mismo |
US10429176B2 (en) | 2017-06-08 | 2019-10-01 | General Electric Company | Pipeline deep crack detection |
CN107167082A (zh) * | 2017-07-03 | 2017-09-15 | 上海励之恒科技有限公司 | 一种墙面裂缝检测器 |
US10648951B2 (en) | 2017-11-14 | 2020-05-12 | Ge Sensing & Inspection Technologies Gmbh | Classification of ultrasonic indications using pattern recognition |
US10859462B2 (en) | 2018-09-04 | 2020-12-08 | Mueller International, Llc | Hydrant cap leak detector with oriented sensor |
US11342656B2 (en) | 2018-12-28 | 2022-05-24 | Mueller International, Llc | Nozzle cap encapsulated antenna system |
US11473993B2 (en) | 2019-05-31 | 2022-10-18 | Mueller International, Llc | Hydrant nozzle cap |
CN111398424A (zh) * | 2020-05-09 | 2020-07-10 | 国电锅炉压力容器检验有限公司 | 一种管道横向裂纹定位方法 |
US11542690B2 (en) | 2020-05-14 | 2023-01-03 | Mueller International, Llc | Hydrant nozzle cap adapter |
Family Cites Families (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3766775A (en) * | 1971-02-22 | 1973-10-23 | W Gunkel | Ultrasonic inspection system |
JPS55140148A (en) * | 1979-04-19 | 1980-11-01 | Nippon Kokan Kk <Nkk> | Supersonic flaw detection for welded steel pipe |
CA1149914A (en) * | 1981-02-25 | 1983-07-12 | Eric G. De Buda | Pipe inspection device |
JPS61165659A (ja) * | 1985-01-18 | 1986-07-26 | Hitachi Ltd | 超音波探傷装置 |
US4658649A (en) * | 1985-06-06 | 1987-04-21 | Combustion Engineering, Inc. | Ultrasonic method and device for detecting and measuring defects in metal media |
US4702112A (en) * | 1985-08-12 | 1987-10-27 | The Babcock & Wilcox Company | Ultrasonic phase reflectoscope |
US5005420A (en) * | 1987-06-08 | 1991-04-09 | Hitachi Construction Machinery Co., Ltd. | Ultrasonic method for measurement of depth of surface opening flaw in solid mass |
JPH01305351A (ja) * | 1988-06-03 | 1989-12-08 | Hitachi Ltd | 検査装置 |
IL91929A (en) * | 1989-10-08 | 1995-03-30 | Irt Inspection Res & Tech | Apparatus and method for the acquisition and processing of data for analyzing flaws in material |
US5189915A (en) * | 1990-11-21 | 1993-03-02 | Reinhart & Associates, Inc. | Single mode ultrasonic inspection method and apparatus |
US5392652A (en) * | 1992-04-07 | 1995-02-28 | Lambert, Macgill, Thomas, Inc. | Method and apparatus for inspection of metal objects utilizing variable angle ultrasonic transducer |
US5511425A (en) * | 1993-12-09 | 1996-04-30 | Krautkramer-Branson, Inc. | Flaw detector incorporating DGS |
DE19502764A1 (de) | 1995-01-30 | 1996-08-01 | Pipetronix Gmbh | Verfahren und Vorrichtung zum Prüfen von gasführenden Rohrleitungen |
US5804730A (en) * | 1995-10-10 | 1998-09-08 | Pfannenstiel; Richard A. | Ultrasonic testing method |
JPH10332649A (ja) * | 1997-05-29 | 1998-12-18 | Kansai Electric Power Co Inc:The | 水壁管内面欠陥検査方法及び装置 |
US6243657B1 (en) | 1997-12-23 | 2001-06-05 | Pii North America, Inc. | Method and apparatus for determining location of characteristics of a pipeline |
DE19938722B4 (de) * | 1999-08-16 | 2010-10-07 | Prüftechnik Dieter Busch AG | Verfahren und Vorrichtung zur Analyse von Wälzlagern in Maschinen |
JP2001264305A (ja) * | 2000-03-21 | 2001-09-26 | Toshiba Corp | 遠心清澄機の回転体点検装置 |
JP2002062281A (ja) * | 2000-08-15 | 2002-02-28 | Toshiba Corp | 欠陥深さ測定方法および装置 |
US6802221B2 (en) * | 2001-03-29 | 2004-10-12 | General Electric Company | System and method for conditioned-based monitoring of a bearing assembly |
US6578422B2 (en) * | 2001-08-14 | 2003-06-17 | Varco I/P, Inc. | Ultrasonic detection of flaws in tubular members |
US6748808B2 (en) * | 2001-08-14 | 2004-06-15 | Varco I/P, Inc. | Flaw detection in tubular members |
GB0121470D0 (en) | 2001-09-05 | 2001-10-24 | Pii Ltd | Pipeline inspection pigs |
RU2212660C1 (ru) * | 2001-12-25 | 2003-09-20 | ЗАО "Нефтегазкомплектсервис" | Способ внутритрубного ультразвукового контроля |
DE10262232B4 (de) | 2002-01-22 | 2008-07-03 | Pii Pipetronix Gmbh | Verfahren und Vorrichtung zum Untersuchen von Rohrleitungen |
JP2002333435A (ja) * | 2002-04-01 | 2002-11-22 | Mitsubishi Heavy Ind Ltd | 超音波信号処理装置 |
US6745136B2 (en) * | 2002-07-02 | 2004-06-01 | Varco I/P, Inc. | Pipe inspection systems and methods |
JP2004191111A (ja) * | 2002-12-10 | 2004-07-08 | Hitachi Eng Co Ltd | 電子スキャン探傷装置及びその方法 |
DE10259218A1 (de) * | 2002-12-17 | 2004-07-01 | Agfa Ndt Gmbh | Verfahren und Vorrichtung zur Größenbestimmung eines Risses in einem Werkstück mittels der Ultraschall-Impuls-Methode |
CA2538133A1 (en) * | 2003-06-06 | 2004-12-16 | Luna Innovations | Method and apparatus for assessing a material |
JP4410037B2 (ja) * | 2004-06-08 | 2010-02-03 | 株式会社東芝 | 超音波探傷方法および超音波探傷装置 |
US7234355B2 (en) * | 2004-12-27 | 2007-06-26 | General Electric Company | Method and system for inspecting flaws using ultrasound scan data |
-
2005
- 2005-03-31 US US11/094,909 patent/US7299697B2/en active Active
-
2006
- 2006-03-23 EP EP06251573.9A patent/EP1707956B1/en active Active
- 2006-03-30 JP JP2006093436A patent/JP5113340B2/ja not_active Expired - Fee Related
- 2006-03-31 CN CNB2006100898706A patent/CN100554874C/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN100554874C (zh) | 2009-10-28 |
EP1707956A2 (en) | 2006-10-04 |
US20060219011A1 (en) | 2006-10-05 |
JP2006284578A (ja) | 2006-10-19 |
EP1707956B1 (en) | 2016-11-23 |
EP1707956A3 (en) | 2011-12-14 |
US7299697B2 (en) | 2007-11-27 |
CN1854683A (zh) | 2006-11-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5113340B2 (ja) | 超音波走査データを用いて物体を検査する方法およびシステム | |
KR102251819B1 (ko) | 특히 현지에서 전기음향 위상망을 사용한 튜브형 제품들의 비파괴 제어를 위한 장치 및 방법 | |
US20100131210A1 (en) | Method and system for non-destructive inspection of a colony of stress corrosion cracks | |
US10996203B2 (en) | Detection, monitoring, and determination of location of changes in metallic structures using multimode acoustic signals | |
JP4116483B2 (ja) | 管体の超音波探傷検査方法および装置 | |
US10585069B2 (en) | Detection, monitoring, and determination of location of changes in metallic structures using multimode acoustic signals | |
Brockhaus et al. | In-line inspection (ILI) methods for detecting corrosion in underground pipelines | |
JP2011027571A (ja) | 配管減肉検査装置および配管減肉検査方法 | |
US11221314B2 (en) | Combined pulse echo inspection of pipeline systems | |
CN112154324B (zh) | 使用多模声学信号来检测、监控和确定金属结构中变化的位置 | |
Kania et al. | Validation of EMAT technology for gas pipeline crack inspection | |
Beller et al. | Combined quantitative in-line inspection of pipelines for metal loss and cracks | |
JP2009092471A (ja) | 探傷方法及び装置 | |
KR101826917B1 (ko) | 다중 채널 초음파를 이용한 장거리 배관 진단 방법 | |
RU2621216C1 (ru) | Способ внутритрубного ультразвукового контроля сварных швов | |
RU2394235C1 (ru) | Способ ультразвукового контроля сварных соединений труб малого диаметра | |
US11067540B2 (en) | Method and device for checking an object for flaws | |
JP5150302B2 (ja) | 超音波検査データ評価装置及び超音波検査データ評価方法 | |
JP2011047655A (ja) | 超音波を用いた欠陥識別方法及び欠陥識別装置 | |
Slaughter et al. | A pipeline inspection case study: Design improvements on a new generation ut in-line inspection crack tool | |
JP5750066B2 (ja) | ガイド波を用いた非破壊検査方法 | |
Baiotto et al. | Development of methodology for the inspection of welds in lined pipes using array ultrasonic techniques | |
Kania et al. | Investigation and Assessment of Low-Frequency ERW Seam Imperfections by EMAT and CMFL ILI | |
Bauer et al. | Detection and sizing of subcritical cracks using ultrasonic in-line inspection methods | |
Mihovski et al. | Application of ultrasonic methods for manufacture of pipelines and maintenance |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20090325 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20090326 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20090326 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20110615 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20111004 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20111226 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20120104 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120203 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20120918 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20121012 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20151019 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |