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  • 时时彩走势图开奖视频:Ultra-Low Frequencies

    后一万能码 2期内中 www.qgqx.net The curved shape of BroadSeisTM streamers delivers the optimal signal-to-noise ratio at low frequencies for more quantitative and reliable inversion results, simplified interpretation and detailed facies discrimination. This delivers more accurate reservoir models, so enabling better development plans and improved ROI. The low frequencies are also crucial for Full Waveform Inversion for better velocity models and clearer imaging.

    Cornerstone slice

    Exceptional images from wavelets without sidelobes

    Miocene channels Angola

    Improved facies discrimination for better architecture definition

    NWAus stratigraphy

    Amazing stratigraphic detail for more accurate interpretation

    StagSeis FWI

    Low frequencies are ideal for FWI and detailed velocity modeling

    Cornerstone channels

    More accurate volumetric analysis from delineation of fine detail

    Santos inversion

    More reliable and quantitative inversion attributes

    The inclusion of low frequencies reduces the sidelobes of the wavelets, so that each peak or trough represents a real change in acoustic impedance, clarifying interpretation. Low frequencies also add "texture" to the data, making layer differentiation easier and simplifying correlation across faults, as well as providing stunning images.

    zero notch graphThe streamers are towed deeper in BroadSeis than in any other towed-streamer broadband configuration, the profile generally varying from around 7 to 50m, with an average depth of 40m compared to 20-25m for multi-sensor streamers. The deeper tow of BroadSeis provides the best low-frequency content of any towed-streamer broadband solution

    • There is 11dB less attenuation at 5Hz due to using a cable at 40m than a cable at 10m
    • In addition, towing deep increases the signal-to-noise ratio
    • Sentinel solid streamers are 10-15dB quieter than gel streamers below 10Hz as they are decoupled from the stress members and so suffer less from tug noise.

    The stability of the low frequencies can be ensured by 3D designature using signatures estimated from recordings at the near field hydrophone using FSC (Full Source Characterization).

    Experiencing the full bandwidth of energy fro...

    Jo Firth | Idar Horstad | Menne Schakel
    ?2014 EAGE

    Improved imaging in Santos Basin utilizing va...

    Jeremy Langlois | Bing Bai | Yan Huang
    ?2013 SEG

    How broadband can unlock the remaining hydroc...

    Gregor Duval
    ?2012 EAGE
    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 - BroadSeis Interp

    BroadSeis Interpretation

    Confident interpretation from clear differentiation between sedimentary packages and better facies discrimination with the ultra-low frequencies delivered by BroadSeis.
    Offshore - StagSeis

    StagSeis

    Illuminate subsalt and basalt like never before. Reduce exploration and production risk. Ultra long-offset, full-azimuth broadband for unparalleled interpretation.
    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.
    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.

    Offshore - Sentinel Solid Streamers

    Sentinel Solid Streamers

    Best signal-to-noise ratio. Lowest frequencies. Most reliable 4D. Widest weather window. Broadband ready. For the most demanding applications, choose Sentinel.

    Offshore (Marine)

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  • 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
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  • 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