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    • 1. 发明授权
    • High-resolution seismic acquisition device
    • 高分辨率地震采集装置
    • US06366536B1
    • 2002-04-02
    • US09701914
    • 2001-03-19
    • Thierry Des VallieresJacques MeunierGilles Grosso
    • Thierry Des VallieresJacques MeunierGilles Grosso
    • G01V138
    • B06B1/0618G01V1/38
    • The invention relates to a seismic acquisition device in a marine environment. The device comprises a Janus Helmholtz (12) transducer which is able to operate at a large depth of immersion and to sound waves in a wide frequency band, a calculator (13) to program at will the frequency band and the form of the sound waves emitted by the transducer, a power amplifier (14) that can control the transducer in order to provide the emitted sound waves with predetermined power levels, an impedance adapter (16) placed between the transducer (12) and the amplifier to enable wide band and power adaptation, and a receiver (18) to capture the seismic waves reflected by the different layers of the sea bed.
    • 本发明涉及海洋环境中的地震采集装置。 该装置包括能够以较大的浸入深度和宽波段的声波操作的Janus Helmholtz(12)换能器,计算器(13)将随时编程声带和声波的形式 由所述换能器发射的功率放大器(14),其能够控制所述换能器以便提供具有预定功率水平的发射声波;阻抗适配器(16),放置在所述换能器(12)和所述放大器之间,以实现宽带和 功率适应,以及用于捕获由海床不同层反射的地震波的接收器(18)。
    • 3. 发明授权
    • Method for charting drillable zones in an oilfield avoiding anomaly zones
    • 在油田避免异常地带绘制钻井区的方法
    • US06101446A
    • 2000-08-08
    • US171987
    • 1999-03-30
    • Thierry des VallieresHelmut KuhnDidier ParronYves Lafet
    • Thierry des VallieresHelmut KuhnDidier ParronYves Lafet
    • G01V1/30
    • G01V1/301
    • The charting method consists in realising a recordings acquisition, constituting on the basis of the recorded seismic traces, a 3D seismic block (X, Y, T) sampled in elementary cells (C.sub.ijk), such that each elementary cell contains a sample (k) of a central seismic trace (TR.sub.ij), calculating for each elementary cell (C.sub.ijk) of the seismic block, the energy thereof, and fixing an energy threshold beyond which the presence Tk of anomaly zones is considered probable, selecting cells of the block which have energy equal or superior to the said threshold, coding the selected cells, such that all the cells belonging to a same contiguously selected cell set have the same code and the selected cells belonging to distinct contiguously selected cell sets have different codes, and effecting an XY projection of the coded cell block.
    • PCT No.PCT / FR97 / 00774 Sec。 371日期1999年3月30日 102(e)1999年3月30日PCT 1997年4月30日PCT PCT。 第WO97 / 41455号公报 日期1997年11月6日图表方法包括实现基于记录的地震轨迹构成的记录采集,在基本单元(Cijk)中采样的3D地震块(X,Y,T),使得每个单元格包含 中心地震轨迹(TRij)的样本(k),计算地震块的每个基本单元(Cijk),其能量,以及固定能量阈值,超过该能量阈值,认为是异常区域的存在Tk是可能的,选择单元 具有等于​​或高于所述阈值的能量的块,对所选择的小区进行编码,使得属于相同连续选择的小区组的所有小区具有相同的代码,并且属于不同连续选择的小区组的所选小区具有不同的代码 并进行编码单元块的XY投影。