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    • 3. 发明申请
    • METHOD AND SYSTEM FOR MONITORING WATERBOTTOM SUBSIDENCE
    • 监测水底栖息地的方法和系统
    • WO2010037726A2
    • 2010-04-08
    • PCT/EP2009/062572
    • 2009-09-29
    • SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.DEN BOER, Johannis JosephusFRANZEN, AndreJOINSON, DanielJÄÄSKELÄINEN, Kari-Mikko
    • DEN BOER, Johannis JosephusFRANZEN, AndreJOINSON, DanielJÄÄSKELÄINEN, Kari-Mikko
    • G01V11/00G01C5/04G01C5/06
    • G01V11/00G01C5/06
    • A system for monitoring subsidence and/or rising of a waterbottom (3), such as an ultradeep oceanfloor, has a string of pressure sensors (2) along the length of the interior (13) of a sealed pressure resistant protective tube (1) that rests on the waterbottom (3) and is filled with a low pressure liquid, such as water, so that any subsidence and/or rising of the waterbottom (3) can be deduced from subsidence and/or rising of a section of the tube (1) and associated variation of the fluid pressures measured by the pressure sensors due to variation of the hydrostatic fluid pressure of the low pressure liquid in the interior (13) of the tube (1). The tube (1) is equipped with a series of valves (10) which divide its interior (13) into a series of sealed segments during descent to protect the pressure sensors (2) against hydrostatic pressure of the liquid within the tube(l) during installation. The use of a pressure resistant tube (1) filled with a low pressure liquid allows the use of sensitive pressure sensors (2) which are able to monitor pressure variations of -0.001 Bar associated with a waterbottom subsidence of ~1 cm, at a waterdepth of >km where the ambient water pressure may be >100 Bar.
    • 用于监测诸如超深度海底的水底(3)的沉降和/或上升的系统具有沿着密封耐压保护管(1)的内部(13)的长度的一串压力传感器(2) 其位于水底(3)上,并且填充有诸如水的低压液体,使得可以从管的一部分的沉降和/或上升中推导出水底(3)的任何沉降和/或上升 (1)和由于管(1)的内部(13)中的低压液体的静水流体压力的变化而由压力传感器测量的流体压力的相关变化。 管(1)配备有一系列阀(10),其在下降期间将其内部(13)分成一系列密封段,以保护压力传感器(2)免受管(1)内的液体的静水压力, 在安装过程中。 使用填充有低压液体的耐压管(1)允许使用敏感的压力传感器(2),其能够监测在水深处与〜1cm的水底沉降相关联的-0.001巴的压力变化 >公里,其中环境水压可能> 100巴。
    • 6. 发明申请
    • FIBRE BRAGG GRATING MEASUREMENT METHOD AND SYSTEM
    • 光纤布拉格测量方法和系统
    • WO2012089816A3
    • 2012-08-23
    • PCT/EP2011074248
    • 2011-12-29
    • SHELL INT RESEARCHDEN BOER JOHANNIS JOSEPHUSFRANZEN ANDRELUMENS PAUL GERARD EDMOND
    • DEN BOER JOHANNIS JOSEPHUSFRANZEN ANDRELUMENS PAUL GERARD EDMOND
    • G01D3/028G01D5/353
    • G01D5/35316G01D3/028G01D5/35387
    • The sensitivity of a fiber optical sensing assembly (2) with Fibre Bragg Gratings ( FBGs) (3, 4) to temperature variations in the associated light source (6) is reduced by using an interrogation system (1) with first and second sensors ( 12&15) that are connected to the sensing assembly (2) and to a reference element ( 14 ) to generate a measurement signal (M1, M2) and a reference signal, and a signal processing device (13), which identifies peaks (R1, R2) of the reference signal, compares a pattern of the identified peaks (R1, R2) with a known pattern of the reference spectrum to determine an order of wavelengths in the reference signal, and calculates for at least one peak an associated wavelength using the order of wavelengths in the reference signal, thereby avoiding that a different order of the peaks (R1, R2) in the reference signal, for instance due to temperature variations at the light source (6), results in false calculation of a wavelength in the measurement signal (M1, M2).
    • 通过使用具有第一和第二传感器的询问系统(1)来减少具有光纤布拉格光栅(FBG)(3,4)的光纤传感组件(2)对相关光源(6)中的温度变化的灵敏度 连接到感测组件(2)和参考元件(14)以产生测量信号(M1,M2)和参考信号的信号处理设备(13),其识别峰值(R1, R2)与所参考频谱的已知图案比较所识别的峰值(R1,R2)的图案,以确定参考信号中的波长的顺序,并使用所述参考信号的至少一个峰值计算相关波长 参考信号中的波长顺序,从而避免参考信号中的峰值(R1,R2)的不同顺序,例如由于光源(6)处的温度变化导致了在 测量信号(M1,M2)。
    • 7. 发明申请
    • FIBRE BRAGG GRATING MEASUREMENT METHOD AND SYSTEM
    • 光纤布拉格光栅测量方法和系统
    • WO2012089816A2
    • 2012-07-05
    • PCT/EP2011/074248
    • 2011-12-29
    • SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.DEN BOER, Johannis JosephusFRANZEN, AndreLUMENS, Paul Gerard Edmond
    • DEN BOER, Johannis JosephusFRANZEN, AndreLUMENS, Paul Gerard Edmond
    • G01D5/00G01D5/353
    • G01D5/35316G01D3/028G01D5/35387
    • The sensitivity of a fiber optical sensing assembly (2) with Fibre Bragg Gratings ( FBGs) (3, 4) to temperature variations in the associated light source (6) is reduced by using an interrogation system (1) with first and second sensors ( 12&15) that are connected to the sensing assembly (2) and to a reference element ( 14 ) to generate a measurement signal (M1, M2) and a reference signal, and a signal processing device (13), which identifies peaks (R1, R2) of the reference signal, compares a pattern of the identified peaks (R1, R2) with a known pattern of the reference spectrum to determine an order of wavelengths in the reference signal, and calculates for at least one peak an associated wavelength using the order of wavelengths in the reference signal, thereby avoiding that a different order of the peaks (R1, R2) in the reference signal, for instance due to temperature variations at the light source (6), results in false calculation of a wavelength in the measurement signal (M1, M2).
    • 具有光纤布拉格光栅(FBG)(3,4)的光纤传感组件(2)对相关光源(6)中的温度变化的灵敏度通过使用询问系统( 1)与连接到感测组件(2)和参考元件(14)以产生测量信号(M1,M2)和参考信号的第一和第二传感器(12和15)以及信号处理设备 (13),其识别参考信号的峰值(R1,R2),将所识别的峰值(R1,R2)的模式与参考光谱的已知模式进行比较以确定参考信号中的波长的顺序,并且计算 对于至少一个峰值使用参考信号中的波长的顺序来确定相关联的波长,从而避免例如由于光源(6)处的温度变化而导致参考信号中的峰值(R1,R2)的不同阶次, 导致测量人员对波长的错误计算 t信号(M1,M2)。
    • 8. 发明申请
    • METHOD AND SYSTEM FOR MONITORING WATERBOTTOM SUBSIDENCE
    • 监测水底栖息地的方法和系统
    • WO2010037726A3
    • 2011-03-03
    • PCT/EP2009062572
    • 2009-09-29
    • SHELL INT RESEARCHDEN BOER JOHANNIS JOSEPHUSFRANZEN ANDREJOINSON DANIELJAEAESKELAEINEN KARI-MIKKO
    • DEN BOER JOHANNIS JOSEPHUSFRANZEN ANDREJOINSON DANIELJAEAESKELAEINEN KARI-MIKKO
    • G01V11/00G01C5/04G01C5/06
    • G01V11/00G01C5/06
    • A system for monitoring subsidence and/or rising of a waterbottom (3), such as an ultradeep oceanfloor, has a string of pressure sensors (2) along the length of the interior (13) of a sealed pressure resistant protective tube (1) that rests on the waterbottom (3) and is filled with a low pressure liquid, such as water, so that any subsidence and/or rising of the waterbottom (3) can be deduced from subsidence and/or rising of a section of the tube (1) and associated variation of the fluid pressures measured by the pressure sensors due to variation of the hydrostatic fluid pressure of the low pressure liquid in the interior (13) of the tube (1). The tube (1) is equipped with a series of valves (10) which divide its interior (13) into a series of sealed segments during descent to protect the pressure sensors (2) against hydrostatic pressure of the liquid within the tube(l) during installation. The use of a pressure resistant tube (1) filled with a low pressure liquid allows the use of sensitive pressure sensors (2) which are able to monitor pressure variations of -0.001 Bar associated with a waterbottom subsidence of ~1 cm, at a waterdepth of >km where the ambient water pressure may be >100 Bar.
    • 用于监测诸如超深度海底的水底(3)的沉降和/或上升的系统具有沿着密封耐压保护管(1)的内部(13)的长度的一串压力传感器(2) 其位于水底(3)上,并且填充有诸如水的低压液体,使得可以从管的一部分的沉降和/或上升中推导出水底(3)的任何沉降和/或上升 (1)和由于管(1)的内部(13)中的低压液体的静水流体压力的变化而由压力传感器测量的流体压力的相关变化。 管(1)配备有一系列阀(10),其在下降期间将其内部(13)分成一系列密封段,以保护压力传感器(2)免受管(1)内的液体的静水压力, 在安装过程中。 使用填充有低压液体的耐压管(1)允许使用敏感的压力传感器(2),其能够监测在水深处与〜1cm的水底沉降相关联的-0.001巴的压力变化 >公里,其中环境水压可能> 100巴。