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    • 1. 发明授权
    • Measurement of isotope ratios in complex matrices
    • 复杂基质中同位素比的测量
    • US09128076B2
    • 2015-09-08
    • US13641658
    • 2011-01-06
    • William A. LambertiHubert E. KingWilliam C. HornMindy M. ZimmerGordon MacleodRobert J. PottorfLeonard J. Srnka
    • William A. LambertiHubert E. KingWilliam C. HornMindy M. ZimmerGordon MacleodRobert J. PottorfLeonard J. Srnka
    • G01N33/24
    • G01N33/241
    • The present techniques are directed to a method for microprobe analyses of isotope ratios in inhomogeneous matrices. The method includes selecting matrix standards that have matrices that resemble a target matrix. A bulk isotope analysis is run on each of the matrix standards to determine a bulk isotope ratio value. A microprobe analysis is run on each of the matrix standards to determine a microprobe isotope ratio values for each of the plurality of matrix standards. Spurious values are eliminated from the microprobe isotope ratio values. The microprobe isotope ratio values are averaged for each of the matrix standards to create an average microprobe isotope ratio value associated with each of the matrix standards. The bulk isotope ratio value for each of matrix standards is plotted against the average microprobe isotope ratio value associated with each of the matrix standards to create a matrix corrected calibration curve.
    • 本技术涉及用于非均匀基质中同位素比率的微探针分析方法。 该方法包括选择具有类似于目标矩阵的矩阵的矩阵标准。 在每个矩阵标准上进行体同位素分析以确定体积同位素比值。 在每个矩阵标准上进行微探针分析以确定多个矩阵标准中的每一个的微探针同位素比值。 从微探针同位素比值中消除杂散值。 对于每个矩阵标准物对微探针同位素比值进行平均,以产生与每个矩阵标准相关联的平均微探针同位素比值。 将每个矩阵标准品的体同位素比值相对于与每个矩阵标准相关联的平均微探针同位素比值进行绘图,以创建矩阵校正曲线。
    • 6. 发明申请
    • Method For Obtaining Resistivity From Controlled Source Electromagnetic Data
    • 从受控源电磁数据获取电阻率的方法
    • US20100332198A1
    • 2010-12-30
    • US12280330
    • 2007-02-15
    • Leslie A. WahrmundKenneth E. GreenDmitriy A. PavlovLeonard J. Srnka
    • Leslie A. WahrmundKenneth E. GreenDmitriy A. PavlovLeonard J. Srnka
    • G06F17/10
    • G01V3/12G01V3/083
    • Method for generating a three-dimensional resistivity data volume for a subsurface region from an initial resistivity model and measured electromagnetic field data from an electromagnetic survey of the region, where the initial resistivity model is preferably obtained by performing multiple ID inversions of the measured data [100]. The resulting resistivity depth profiles are then registered at proper 3D positions [102]. The 3D electromagnetic response is simulated [106] assuming the resistivity structure is given by the initial resistivity model. The measured electromagnetic field data volume is scaled by the simulated results [108] and the ratios are registered at proper 3D positions [110] producing a ratio data volume [112]. A 3D resistivity volume is then generated by multiplying the initial resistivity volume by the ratio data volume (or some function of it), location-by location [114]. A related method emphasizes deeper resistive anomalies over masking effects of shallow anomalies.
    • 用于从初始电阻率模型生成用于地下区域的三维电阻率数据体积的方法以及来自该区域的电磁勘测的测量的电磁场数据,其中初始电阻率模型优选地通过执行测量数据的多个ID反转来获得[ 100]。 然后将所得到的电阻率深度分布记录在适当的3D位置[102]。 假设电阻率结构由初始电阻率模型给出,3D电磁响应被模拟[106]。 测量的电磁场数据体积由模拟结果[108]缩放,并且比率被记录在适当的3D位置[110],产生比率数据量[112]。 然后通过将初始电阻率乘以比率数据量(或其一些功能),逐位置[114]来生成3D电阻率体积。 相关方法强调了较浅的异常屏蔽效应的电阻异常。
    • 10. 发明授权
    • Method and apparatus for detection of a liquid under a surface
    • 用于检测表面下的液体的方法和装置
    • US08436609B2
    • 2013-05-07
    • US12672969
    • 2008-08-29
    • Leonard J. SrnkaTimothy J. NedwedHans ThomannRobert E. Sandstrom
    • Leonard J. SrnkaTimothy J. NedwedHans ThomannRobert E. Sandstrom
    • G01V3/00
    • G01V3/175G01N24/08G01N24/081G01R33/50Y02A90/344
    • Methods for detecting a liquid under a surface and characterizing Ice are provided The liquid may be a liquid hydrocarbon such as crude oil or fuel oil or mineral oil The surface may be ice, snow, or water, and the method may be practiced in an arctic region to detect oil spills, leaks, or seepages The methods may be used with a range finder to characterize marine ice The methods may include a nuclear magnetic resonance (NMR) tool with antenna to send a radio-frequency (RF) excitation pulse or signal into volume of substances being detected, detect an NMR response signal to determine the presence of the liquid of interest The NMR response may include a relaxation time element and an intensity level and may include a free induction signal (T2*), a spin echo signal (T2), a train of spin echo signals (T2), or a thermal equilibrium signal (T 1).
    • 提供用于检测表面下的液体并表征冰的方法液体可以是诸如原油或燃料油或矿物油的液体烃。表面可以是冰,雪或水,并且该方法可以在北极 检测漏油,泄漏或泄漏的方法可以与测距仪一起使用以表征海洋冰。该方法可以包括具有天线的核磁共振(NMR)工具以发送射频(RF)激发脉冲或信号 检测到的物质的体积,检测NMR响应信号以确定感兴趣的液体的存在。NMR响应可以包括弛豫时间元素和强度水平,并且可以包括自由感应信号(T2 *),自旋回波信号 (T2),一系列自旋回波信号(T2)或热平衡信号(T 1)。