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公开(公告)号：US20080283418A1
公开(公告)日：2008-11-20
申请号：US12116003
申请日：2008-05-06
IPC分类号： G01N17/04
CPC分类号： G01N17/02
摘要： An electrochemical noise method, apparatus and system may be used to estimate and/or calculate parameters of interest related to corrosion rates of an electrically conductive article. The apparatus involves a working electrode (having substantially the same composition of the electrically conductive article), a reference electrode, and a counter electrode in an environment of interest. The working electrode is placed under potentiostatic control. A current transient between the working electrode and the counter electrode is measured. The working electrode is switched to open potential. A potential transient is measured over the duration of a localized corrosion event. The localized corrosion may then be calculated based on the measured potential transient and the current transient.
摘要翻译： 可以使用电化学噪声方法，装置和系统来估计和/或计算与导电制品的腐蚀速率相关的感兴趣参数。 该设备包括在感兴趣的环境中的工作电极（具有基本相同的导电制品组成），参考电极和对电极。 工作电极置于恒电位控制下。 测量工作电极和对电极之间的电流瞬变。 工作电极切换到开放电位。 在局部腐蚀事件的持续时间内测量潜在的瞬态。 然后可以基于测量的电位瞬变和电流瞬态来计算局部腐蚀。
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公开(公告)号：US07368050B2
公开(公告)日：2008-05-06
申请号：US11086191
申请日：2005-03-21
IPC分类号： G01N17/04
CPC分类号： G01N17/02
摘要： The invention provides an electrochemical noise method, apparatus and system for estimating parameters of interest related to corrosion rates of an electrically conductive article, the method comprising: placing a working electrode, a reference electrode, and a counter electrode in an environment of interest; measuring potential at open circuit between the working electrode and the reference electrode over time; placing the working electrode under a potentiostatic control; measuring current between the working electrode and the counter electrode for a predetermined period of time, the period of time of measurements may be extended to include a transient event; and estimating the corrosion rate.
摘要翻译： 本发明提供了一种用于估计与导电制品的腐蚀速率有关的参数的电化学噪声方法，装置和系统，所述方法包括：将工作电极，参比电极和对电极放置在感兴趣的环境中; 测量工作电极与参考电极之间的开路电位随时间的变化; 将工作电极置于恒电位控制下; 在预定的时间段内测量工作电极和对电极之间的电流，测量时间可以延长到包括瞬时事件; 并估算腐蚀速率。
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公开(公告)号：US07713405B2
公开(公告)日：2010-05-11
申请号：US12116003
申请日：2008-05-06
IPC分类号： G01N17/04
CPC分类号： G01N17/02
摘要： An electrochemical noise method, apparatus and system may be used to estimate and/or calculate parameters of interest related to corrosion rates of an electrically conductive article. The apparatus involves a working electrode (having substantially the same composition of the electrically conductive article), a reference electrode, and a counter electrode in an environment of interest. The working electrode is placed under potentiostatic control. A current transient between the working electrode and the counter electrode is measured. The working electrode is switched to open potential. A potential transient is measured over the duration of a localized corrosion event. The localized corrosion may then be calculated based on the measured potential transient and the current transient.
摘要翻译： 可以使用电化学噪声方法，装置和系统来估计和/或计算与导电制品的腐蚀速率相关的感兴趣参数。 该设备包括在感兴趣的环境中的工作电极（具有基本相同的导电制品组成），参考电极和对电极。 工作电极置于恒电位控制下。 测量工作电极和对电极之间的电流瞬变。 工作电极切换到开放电位。 在局部腐蚀事件的持续时间内测量潜在的瞬态。 然后可以基于测量的电位瞬变和电流瞬态来计算局部腐蚀。
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公开(公告)号：US07686938B2
公开(公告)日：2010-03-30
申请号：US11262861
申请日：2005-10-31
IPC分类号： G01N17/04
CPC分类号： G01N17/02
摘要： An electrochemical noise method, apparatus and system calculates parameters of interest related to corrosion rates of an electrically conductive article. The method involves placing a test electrode, a reference electrode, and an auxiliary electrode in an environment of interest; placing the test electrode under potentiostatic control regime for a potential scan; measuring the relationship of current v. potential (polarization resistance, Rp) of the test electrode relative to the reference electrode during a first period; switching from potentiostatic control to the open circuit potential (OCP) of the test electrode; monitoring the OCP of the test electrode during a second period; determining ΔI from the relationship Rp=ΔV/ΔI, where ΔV is measured over a second period of time; and calculating the localized corrosion from the measured potential and current data.
摘要翻译： 电化学噪声方法，装置和系统计算与导电制品的腐蚀速率有关的参数。 该方法包括在感兴趣的环境中放置测试电极，参考电极和辅助电极; 将测试电极置于恒电位控制方案下进行电位扫描; 测量在第一周期期间测试电极相对于参考电极的电流v电位（极化电阻Rp）的关系; 从恒电位控制切换到测试电极的开路电位（OCP）; 在第二期间监测测试电极的OCP; 根据关系Rp =＆Dgr; V /＆Dgr; I，其中＆Dgr; V在第二时间段内测量并确定Dgr; I; 并从测量的电位和当前数据计算局部腐蚀。
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公开(公告)号：US07622030B2
公开(公告)日：2009-11-24
申请号：US11499630
申请日：2006-08-04
CPC分类号： G01N17/02
摘要： Simultaneous determination of general corrosion and localized corrosion rate measurements is achieved with polarization applied by the electrodes themselves rather than externally applied polarization. Two or more working electrodes may be galvanically coupled. A localized pitting corrosion event on one of the electrodes will lead to a potential transient. The area within the potential transient is measured with the baseline being the initial starting potential. This gives localized corrosion as a function of time. The relationship Rp=ΔV/ΔI is calculated, where Rp is the polarization resistance of the working electrodes and is a measure of generalized corrosion rate.
摘要翻译： 通过电极自身施加的极化而不是外部施加的极化来实现一般腐蚀和局部腐蚀速率测量的同时测定。 两个或多个工作电极可以电耦合。 其中一个电极上的局部点腐蚀事件将导致潜在的瞬变。 以基线为初始起始电位来测量潜在瞬态内的面积。 这使得局部腐蚀作为时间的函数。 计算关系Rp = DeltaV /ΔI，其中Rp是工作电极的极化电阻，并且是广义腐蚀速率的量度。
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公开(公告)号：US09463989B2
公开(公告)日：2016-10-11
申请号：US13527822
申请日：2012-06-20
IPC分类号： B01D53/48 , B01D53/52 , B01D53/76 , B01D53/77 , B01D53/78 , B01D19/00 , C02F1/68 , B01D53/79 , C02F101/10
CPC分类号： C02F1/683 , B01D19/0005 , B01D53/485 , B01D53/52 , B01D53/79 , B01D2251/21 , B01D2257/304 , B01D2257/306 , C02F2101/101
摘要： The use of a dialdehyde (e.g. glyoxal) and a nitrogen-containing scavenger (e.g. a triazine) when injected separately in media containing hydrogen sulfide (H2S) and/or mercaptans to scavenge H2S and/or mercaptans therefrom gives a synergistically better reaction rate and overall scavenging efficiency, i.e. capacity, over the use of the dialdehyde or the nitrogen-containing scavenger used alone, but in the same total amount of the dialdehyde and nitrogen-containing scavenger. The media may include an aqueous phase, a gas phase, a hydrocarbon phase and mixtures of a gas and/or hydrocarbon phase with an aqueous phase.
摘要翻译： 当分别注入含有硫化氢（H2S）和/或硫醇的介质中分别注入二氧化硫（如乙二醛）和含氮清除剂（如三嗪）以清除其中的硫化氢和/或硫醇时，会产生协同增效的反应速率和 总体清除效率，即容量，单独使用二醛或含氮清除剂的使用量，但二醛和含氮清除剂的总量相同。 介质可以包括水相，气相，烃相以及气相和/或烃相与水相的混合物。
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公开(公告)号：US20130004393A1
公开(公告)日：2013-01-03
申请号：US13527822
申请日：2012-06-20
CPC分类号： C02F1/683 , B01D19/0005 , B01D53/485 , B01D53/52 , B01D53/79 , B01D2251/21 , B01D2257/304 , B01D2257/306 , C02F2101/101
摘要： The use of a dialdehyde (e.g. glyoxal) and a nitrogen-containing scavenger (e.g. a triazine) when injected separately in media containing hydrogen sulfide (H2S) and/or mercaptans to scavenge H2S and/or mercaptans therefrom gives a synergistically better reaction rate and overall scavenging efficiency, i.e. capacity, over the use of the dialdehyde or the nitrogen-containing scavenger used alone, but in the same total amount of the dialdehyde and nitrogen-containing scavenger. The media may include an aqueous phase, a gas phase, a hydrocarbon phase and mixtures of a gas and/or hydrocarbon phase with an aqueous phase.
摘要翻译： 当分别注入含有硫化氢（H2S）和/或硫醇的介质中分别注入二氧化硫（如乙二醛）和含氮清除剂（如三嗪）以清除其中的硫化氢和/或硫醇时，会产生协同增效的反应速率和 总体清除效率，即容量，单独使用二醛或含氮清除剂的使用量，但二醛和含氮清除剂的总量相同。 介质可以包括水相，气相，烃相以及气相和/或烃相与水相的混合物。
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8.发明申请Apparatus for Introducing Drag Reducers Into Hydrocarbon Transportation Systems 审中-公开将减速机引入烃运输系统的装置公开(公告)号：US20080047614A1
公开(公告)日：2008-02-28
申请号：US11926928
申请日：2007-10-29
申请人： Paul Hammonds , Vladimir Jovancicevic , C. Means , David Green
发明人： Paul Hammonds , Vladimir Jovancicevic , C. Means , David Green
IPC分类号： F17D1/17
CPC分类号： F17D1/16 , Y10T137/0329 , Y10T137/0391 , Y10T137/2531 , Y10T137/2703 , Y10T137/4238 , Y10T137/87652
摘要： An apparatus for reducing drag in a fluid stream involves admixing the components of a drag reducer to form an incipient drag reducer and injecting the incipient drag reducer into the fluid stream wherein the drag reducer components are admixed at the site of the fluid stream.
摘要翻译： 用于减少流体流中的阻力的装置包括混合减阻剂的组分以形成初始减阻剂并将初始减阻剂注入到流体流中，其中减阻剂组分在流体流的位置混合。
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公开(公告)号：US20060144719A1
公开(公告)日：2006-07-06
申请号：US11262861
申请日：2005-10-31
申请人： Raymond Gill , Vladimir Jovancicevic , Wai Mok , Paul Hammonds
发明人： Raymond Gill , Vladimir Jovancicevic , Wai Mok , Paul Hammonds
CPC分类号： G01N17/02
摘要： An electrochemical noise method, apparatus and system calculates parameters of interest related to corrosion rates of an electrically conductive article. The method involves placing a test electrode, a reference electrode, and an auxiliary electrode in an environment of interest; placing the test electrode under potentiostatic control regime for a potential scan; measuring the relationship of current v. potential (polarization resistance, Rp) of the test electrode relative to the reference electrode during a first period; switching from potentiostatic control to the open circuit potential (OCP) of the test electrode; monitoring the OCP of the test electrode during a second period; determining ΔI from the relationship Rp=ΔV/ΔI, where ΔV is measured over a second period of time; and calculating the localized corrosion from the measured potential and current data.
摘要翻译： 电化学噪声方法，装置和系统计算与导电制品的腐蚀速率有关的参数。 该方法包括在感兴趣的环境中放置测试电极，参考电极和辅助电极; 将测试电极置于恒电位控制方式进行电位扫描; 在第一时段期间测量测试电极相对于参考电极的电流v电位（极化电阻，R BAT）的关系; 从恒电位控制切换到测试电极的开路电位（OCP）; 在第二期间监测测试电极的OCP; 根据关系RΔPΔV/ΔI确定ΔI，其中在第二时间段内测量DeltaV; 并从测量的电位和当前数据计算局部腐蚀。
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公开(公告)号：US08506777B2
公开(公告)日：2013-08-13
申请号：US13364760
申请日：2012-02-02
IPC分类号： G01N27/26
CPC分类号： G01N17/04
摘要： A localized corrosion monitoring (LCM) device is modified to obtain polarization resistance (Rp) from electrical resistance of a probe having a strip of metal under investigation (test electrode), a reference electrode and a temperature sensor (e.g. thermocouple). This configuration allows the probe to be used in areas where only a thin film of conductive fluid is available or required to provide potential monitoring. Thus, the applicability of the LCM technique is broadened. All the above devices are expected to be configured in one item of equipment, except for the probe which may be remotely located from the rest of the equipment.
摘要翻译： 修改局部腐蚀监测（LCM）装置以从具有正在研究的金属条（试验电极），参考电极和温度传感器（例如热电偶）的探针的电阻获得极化电阻（Rp）。 该配置允许探针用于只有导电流体薄膜可用或需要提供潜在监测的区域。 因此，LCM技术的适用性得到拓宽。 预期所有上述设备都将配置在一个设备项目中，除了可能远离设备其余部分的探头。
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