专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

61. 发明授权

EP0515188B1 Method in marine seismics of removing multiple data 失效
标题翻译：在从多个除去不需要的数据的海洋地震勘探的方法
公开(公告)号：EP0515188B1
公开(公告)日：1998-02-04
申请号：EP92304617.1
申请日：1992-05-21
申请人： WESTERN ATLAS INTERNATIONAL, INC.
发明人： Monk, David J. , Wason, Cameron B.
IPC分类号： G01V1/36
CPC分类号： G01V1/364 , G01V2210/56

62. 发明公开

EP0809122A1 Computation of Q-derived static corrections from seismic data 失效
标题翻译： Berechnung von Q-abgeleiteten statischen Korrekturdaten von seismischen Daten
公开(公告)号：EP0809122A1
公开(公告)日：1997-11-26
申请号：EP96303589.4
申请日：1996-05-21
申请人： WESTERN ATLAS INTERNATIONAL, INC.
发明人： Chambers, Ronald E. , Mallick, Subhashis
IPC分类号： G01V1/36
CPC分类号： G01V1/362 , G01V2210/53
摘要： An amplitude spectrum is generated within a selected time window of a seismic time scale recording. The rate of change, Q, of the natural logarithm of the signal amplitude is measured with respect to frequency. A Q-derived static time shift is computed and applied to the selected seismic time scale trace to correct the raw seismic times for dispersion-induced time distortion. Amplitude-correction and phase-correction filters are applied to the static-corrected trace to provide a new time scale trace corrected for velocity dispersion which is processed to provide a physical model of the subsurface of the earth.
摘要翻译：在地震时间刻度记录的选定时间窗内产生幅度谱。相对于频率测量信号幅度的自然对数的变化率Q。计算Q导出的静态时间偏移并将其应用于所选择的地震时间尺度轨迹，以校正色散引起的时间失真的原始地震时间。将幅度校正和相位校正滤波器应用于静态校正轨迹，以提供对速度色散校正的新的时间尺度迹线，该轨迹被处理以提供地球表面的物理模型。

63. 发明公开

EP0629884A3 Seismic data processing 失效
标题翻译：处理地震数据。
公开(公告)号：EP0629884A3
公开(公告)日：1997-02-19
申请号：EP94304391.9
申请日：1994-06-17
申请人： WESTERN ATLAS INTERNATIONAL, INC.
发明人： Mackay, Scott W.
IPC分类号： G01V1/30
CPC分类号： G01V1/303
摘要： In a seismic data processing system a multi-dimensional assemblage of time/velocity functions is sampled for velocity as a function of incremental time. The samples are stored in a matrix arranged in columns along the time axis and rows across the velocity axis. The count of the number of samples resident in the respective cells of each row is indexed. A desired statistical operator is applied to the count indices in the rows to provide a family of filtered histograms in time-sequential order. The filtered histograms (24) may be edited by delimiting acceptable velocities to lie between preselected percentiles (17, 19) which may be displayed with the filtered histograms (24).

64. 发明授权

EP0515189B1 Noise attenuation method in seismic signals 失效
标题翻译：一种用于在地震信号衰减噪声的方法
公开(公告)号：EP0515189B1
公开(公告)日：1996-07-17
申请号：EP92304618.9
申请日：1992-05-21
申请人： WESTERN ATLAS INTERNATIONAL, INC.
发明人： Wason, Cameron B. , Monk, David J. , McBeath, Robert G.
IPC分类号： G01V1/28 , G01V1/36
CPC分类号： G01V1/364 , G01V2210/3246 , G01V2210/3248

65. 发明公开

EP0689064A2 Method of adaptively reducing noise transients in co-sensor seismic signals 失效
标题翻译：从定位于朋克，传感器一种用于在地震信号自适应暂态噪声降低方法
公开(公告)号：EP0689064A2
公开(公告)日：1995-12-27
申请号：EP95304251.2
申请日：1995-06-19
申请人： WESTERN ATLAS INTERNATIONAL, INC.
发明人： Dragosett, William H., Jnr. , Chambers, Ronald
IPC分类号： G01V1/36
CPC分类号： G01V1/364 , G01V1/38 , G01V2210/32
摘要： Seismic data from co-located sensors of different genera are formatted into common velocity-receiver gathers and common pressure receiver gathers. A first ratio between the velocity signature amplitudes and the pressure signature amplitudes is measured within a fixed analysis window (14). A second ratio is measured between the pressure and velocity signatures for a weighting-zone window (18) of limited extent. The first and second ratios are combined to form an equalization operator. The pressure and velocity signatures from within the weighting zone window (18) are combined in the presence of the equalization operator to define a transient-free time-scale datum.

66. 发明公开

EP0681193A1 Method of attenuating coherent noise in marine seismic data 失效
标题翻译：在海洋地震活动中，维尔法赫森zumAbschwächenvon coherentenLärm。
公开(公告)号：EP0681193A1
公开(公告)日：1995-11-08
申请号：EP95303020.2
申请日：1995-05-03
申请人： WESTERN ATLAS INTERNATIONAL, INC.
发明人： Dragoset, William H., Jr.
IPC分类号： G01V1/36
CPC分类号： G01V1/36 , G01V1/364 , G01V2210/32 , G01V2210/3246 , G01V2210/38
摘要： A method of attenuating coherent environmental noise from a multitrace digitized seismic recording adaptively creates a filter for that attenuation. The method uses the presence, on the recording, of a limited sample of pure noise that is uncontaminated by desired signal. The pure noise sample is used to discover the location of the noise source and from that discovery, to extrapolate and reconstruct the characteristics of the noise envelope as it would appear on the seismic recording. The reconstructed noise envelope is used as a noise reference for input to a conventional iterative adaptive noise cancellation filter loop (24, 28, 30) . For stability, the loop gain is minimized by temporally and spatically averaging the filter coefficients of the loop for each sample interval.
摘要翻译：从多雷达数字化地震记录中衰减相干环境噪声的方法自适应地创建用于该衰减的滤波器。该方法使用在所记录的情况下存在未被所需信号污染的纯噪声的有限样本。纯噪声样本用于发现噪声源的位置，并从该发现中推断出噪声包络的特征，并将其显现在地震记录上。重建的噪声包络被用作用于输入到常规迭代自适应噪声消除滤波器环路（24,28,30）的噪声参考。为了稳定性，通过对每个采样间隔的循环的滤波器系数进行时间和频率平均来最小化环路增益。

67. 发明公开

EP0674189A2 Seismic exploration 失效转让
标题翻译：地震勘探。
公开(公告)号：EP0674189A2
公开(公告)日：1995-09-27
申请号：EP95301995.7
申请日：1995-03-24
申请人： WESTERN ATLAS INTERNATIONAL, INC.
发明人： Doyen, Philippe M. , Psaila, David E.
IPC分类号： G01V1/28
CPC分类号： G01V1/30 , G01V11/00
摘要： A discretized lithologic model of the subsurface is defined by a regular array of pixels (x). Each pixel (x) corresponds to one of a finite number of possible lithoclasses such as sand, shale or dolomite. The lithoclasses are unknown except at a small number of sparsely distributed control pixels associated with borehole locations. Associated with each pixel there is a multivariate record of seismic attributes that may be statistically correlatable with the local lithology. A Monte Carlo method is used to simulate the lithoclass spatial distribution by combining the lithologic data at control pixels with the seismic-attribute data records. Using Indicator Kriging, a prior probability distribution of the lithoclasses is calculated for each pixel from the lithology values at neighboring pixels. The likelihood of each lithoclass is also calculated in each pixel from the corresponding conditional probability distribution of seismic attributes. A posterior lithoclass probability distribution is obtained at each pixel by multiplying the prior distribution and the likelihood function. The posterior distributions are sampled pixel-by-pixel to generate equally probable models of the subsurface lithology.
摘要翻译：用于通过将对应于井位置的多个分布式控制像素的已知岩性数据与从与像素相关联的站收集的地震属性组合而在常规像素阵列上产生离散岩石类值的模拟模型的方法包括：（a）测量物体几个地层的性质; （b）计算每个岩石类的地震属性的条件概率分布; （c）随机选择尚未被模拟的像素; （d）通过组合附近的控制像素处的岩性数据来估计所选择的像素处的岩石类的先验概率分布函数; （e）根据地震属性的岩石类条件分布计算所选像素中的岩石类似然函数; （f）通过将先验分布函数与似然函数组合来计算所选像素中的光刻胶的后验分布函数; （g）通过从后验概率分布函数中随机采样来绘制所选像素中的模拟岩石类阀; （h）作为附加的控制像素将模拟的光刻类值输入到阵列中; （i）重复步骤（b）至（g），直到对阵列的所有像素模拟岩石类值; 和（j）产生地球地下的岩性模型。

68. 发明公开

EP0665958A1 METHOD OF DETERMINING FORMATION RESISTIVITY UTILIZING COMBINED MEASUREMENTS OF INDUCTIVE AND GALVANIC LOGGING INSTRUMENTS 失效
标题翻译：使用组合具有感应测量和电偶孔测仪器地层电阻测定方法。
公开(公告)号：EP0665958A1
公开(公告)日：1995-08-09
申请号：EP94922576.0
申请日：1994-07-19
申请人： WESTERN ATLAS INTERNATIONAL, INC.
发明人： STRACK, Kurt, M. , TABAROVSKY, Leonty, A. , PAYTON, Christopher, C.
IPC分类号： G01V3
CPC分类号： G01V3/28 , G01V3/20
摘要： A method of determining selected parameters of an earth formation (132) surrounding a borehole (135) by first obtaining at least one induction logging measurements of the selected parameters in a first predetermined volume (138-138') of the formation (132) surrounding the borehole (135) having known first radial and vertical dimensions, then obtaining at least one galvanic logging measurement of the identical selected parameters in a second predetermined volume (136) of the formation (132) surrounding the borehole (135) having known second radial and vertical dimensions that overlap the first radial and vertical dimensions of the first predetermined volume, whereby the overlapping volumes form a representative common volume (140) of the formation (132), and then combining the induction and galvanic logging measurements using an inversion technique to obtain a measurement of the selected parameters of the earth formation (132) surrounding the borehole (135) in the representative common volume (140) of the formation (132).

69. 发明公开

EP0642624A1 METHOD AND APPARATUS FOR DETERMINING DEPTH OF DRILL CUTTINGS 失效
标题翻译：方法和设备，用来确定屑URSPRUNGSTEUFE。
公开(公告)号：EP0642624A1
公开(公告)日：1995-03-15
申请号：EP94911732.0
申请日：1994-03-28
申请人： WESTERN ATLAS INTERNATIONAL, INC.
发明人： GEORGI, Daniel, T. , ROBERTSON, Homer, A. , FRANKS, Mark, S.
IPC分类号： E21B21 , E21B47 , E21B49
CPC分类号： E21B21/065 , E21B47/04 , E21B49/005
摘要： A method and apparatus for identifying cuttings (20) from a wellbore (18) are provided. The cuttings are segregated through a screen assembly (33) where they can be identified by measuring emissions such as alfa, beta, or gamma particles which emanate from the cuttings via a collector or storage vessel (40). A continuous wellbore profile of the emissions from cuttings can be constructed by measuring the emissions taken from different locations in the wellbore, and by documenting such emissions. The effects of cutting dispersion caused by differing particle sizes can be reduced by collecting cuttings of an intermediate size (68) for analysis. The profile of the intermediate size cuttings can be compared with a well log to identify the original elevation of the cuttings within the wellbore.

70. 发明公开

EP0636252A1 REMOVABLE PISTON BORE LINER FOR HYDRAULICALLY ACTUATED SEISMIC VIBRATOR 失效
标题翻译：的电力可拆卸活塞导向OPERATED地震振动器。
公开(公告)号：EP0636252A1
公开(公告)日：1995-02-01
申请号：EP94905394.0
申请日：1993-12-14
申请人： WESTERN ATLAS INTERNATIONAL, INC.
发明人： CROWELL, John, M. , TESKE, James, E.
IPC分类号： F15B15 , G01V1
CPC分类号： F15B15/1428 , G01V1/155
摘要： A removable bore liner (30) is provided that substantially increases the dependability, flexibility and field serviceability of seismic vibrators (14) and other hydraulically actuated devices. A method for installing the removable bore liner (30) in a seismic vibrator (14) is also provided.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式