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  • 1 3 8 24 72倍投:BroadSeis for Development

    后一万能码 2期内中 www.qgqx.net BroadSeisTM allows you to develop optimal development plans as its superior bandwidth enables better interpretation. The high frequencies provide shallow hazard information, the broad bandwidths simplify interpretation and the low frequencies deliver detailed facies discrimination and more quantitative and reliable inversion results for improved lithology prediction.

    NWAus Inversion

    Reservoir-quality seismic

    BroadSeis delivers the broadest bandwidths available, with the optimal signal-to-noise ratio at low frequencies, for the best possible reservoir image:

    • High resolution provides better delineation of thin layers and subtle traps
    • The low frequencies are ideal for Full Waveform Inversion to provide extremely detailed velocity models
    • Better resolution gives better volumetric analysis and estimates of hydrocarbons in place

    Accurate quantitative inversion

    In conventional seismic the lithology prediction away from wells depends on additional information or assumptions about the ‘background model’, i.e. the low-frequency trend in the subsurface acoustic properties. With BroadSeis ultra-low frequencies no additional data or assumptions are needed. This makes predicting lithology away from wells more reliable with BroadSeis data.

    FWI

    The best reservoir model

    The physical broad bandwidths acquired by BroadSeis deliver the most accurate inversion attributes and enable detailed interpretation and facies discrimination. Our Seismic Reservoir Characterization and Robertson groups within our GeoConsulting business line provide advanced reservoir characterization  services for detailed reservoir models and better field development plans

    BroadSeis bandwidth

    The unrivalled low-noise, low-frequency response of Sercel Sentinel? solid streamers, combined with the BroadSeis proprietary curved streamer shape, delivers the optimal signal-to-noise ratio at low frequencies, recording quality signal down to 2Hz. Combined with BroadSourceTM, CGG’s synchronized multi-level broadband source, the upper frequency limit is bounded only by the Nyquist frequency delivering an unrivalled bandwidth of over 6 octaves at 2 msec sampling. This broad bandwidth produces a sharp wavelet without sidelobes for events that are single peaks or troughs, corresponding to genuine geological layers, clarifying impedance contrasts and creating sharp images of small features and thin layers.

    Volumetric Analysis

    BroadSeis ultra-low frequencies

    • Are ideal for FWI to create the best subsurface images
    • Deliver reliable, accurate inversion and lithology prediction to understand reservoir quality and recovery factors, even in areas away from existing wells
    • Provide easy identification of facies variations

    Better volumetric analysis for accurate reserve prediction

    The broad bandwidth of BroadSeis delivers wavelets without sidelobes, so that the actual geologic signature of events can be identified. This gives accurate images that are representative of the geology to provide better volumetric analyses and better economic evaluations.
    In this example from CGG's multi-client Cornerstone data, showing the Dornoch in the Central North Sea, the division of the wavelet into two distinct peaks is clearly identifiable, indicating the increased extent of the reservoir.

    Combining BroadSeis 3D HD-WAZ data in a reser...

    Gabino Castillo | Rob Mayer | Paola Fonseca | Maria Coronado...
    ?2015 EAGE

    New technology breathes new life into mature ...

    Vetle Vinje | Andrew Wright | Jo Firth | Jan-Erik Lie | Vida...
    ?2015 Gulf Publishing Company

    Variable-depth streamer acquisition: broadban...

    Loic Michel | Yves Lafet | Ronan Sablon | Damien Russier | R...
    Offshore - Low Frequency Recording

    Ultra-Low Frequency Recording

    See below salt and basalt. Build better reservoir models. Record useful data down to 2.5 Hz with Sentinel.
    Offshore - BroadSeis AVO & Inversion

    BroadSeis AVO & Inversion

    The low frequencies achieved by BroadSeis deliver stable inversion results, even away from existing wells making lithology prediction more reliable
    Offshore - BroadSource & BroadSeis

    BroadSource & BroadSeis

    Get the widest bandwidth and highest frequencies from ghost-free wavelets without compromising low frequencies. Available in flip-flop mode across the fleet.
    Offshore - GeoHazards

    Solutions for Geohazards

    Clear, high-resolution near-surface images to delineate the smallest structures. Over 6 octaves of data from BroadSource for shallow hazard identification.
    Subsurface Imaging - FWI

    Full Waveform Inversion

    Reveal intricate velocity details for the clearest images. Harness seismic low frequencies from BroadSeis, StagSeis, seabed and land data.

    Subsurface Imaging - Q Tomography

    Q Tomography

    Build accurate models of amplitude and phase anomalies, then compensate for their effects using Q PSDM.
    Offshore (Marine)

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    CASE STUDY

    Check out how CGG streamlines Norwegian seismic, well, and production data.
  • 太坏了!傅欢遇“断子绝孙腿” 这动作红牌都不冤 2019-04-17
  • 市民工地发现并机智"抢回" 4件圆明园流散文物终"回家" 2019-04-17
  • 世界杯成中国企业营销升级大战场 2019-04-15
  • 中东部地区将有强降雨 京津冀等地有轻至中度霾 2019-04-11
  • 郑永年:新时代的清醒判断 2019-04-11
  • 让协商民主优势得以充分发挥 2019-04-10
  • 网友给太原市市长留言获回复 共计11条 2019-04-09
  • 尧都区车站街建设社区老党员高德宏同志手抄“党章”庆党生 2019-04-09
  • 正心正念 爱国爱教 佛界楷模 2019-04-02
  • 防治土地荒漠化 新疆保护生态兼顾农民增收 2019-04-02
  • 许倬云作序《现代的历程》:现代人的天问 2019-03-31
  • 证监会:首发审核政策始终没有变化 2019-03-31
  • 2008年全球金融危机之后,为什么金融危机发源地的美国,欧债危机重灾区的欧洲各国股市连续7年走牛,屡创历史新高,唯经济最好的中国股市却连续7年熊冠全球?去年中国 2018-11-17
  • 完成自己的第一部电影, 她23岁就做到了 2018-11-17