随钻四极子声波技术在南海西部深水区钻探中的应用分析
Application Analysis of Quadrupole Acoustic Logging While Drilling Technology in Deep-Water Block of Western South China Sea
摘要: 在南海西部深水区的钻探阶段，钻井工程与地层评价主要面临着如何在强噪音、深水疏松地层中实时获得高品质的全波列信息，以及应用实时随钻声波数据提高层位与压力预测精度这两个挑战。利用最新一代的随钻四极子声波技术能够获取高质量的实时全波列数据，对初始的岩石力学模型进行刻度从而进行实时压力监测与井眼稳定性分析。本文对在南海西部陵水区块服务的新一代随钻四极子声波数据质量、影响实时数据质量的钻井环境及计算方法进行了分析，结果表明，随钻四极子声波技术的应用提高了钻井作业的安全系数，优化了经济效益，在油田勘探中具有较强的应用价值。
Abstract: During exploration stage in deep-water block of western South China Sea, there are two main challenges for drilling engineering and formation evaluation: 1) How to obtain real-time high quality full wave train information in strong noise and deep-water unconsolidated formation. 2) Applying real-time acoustic data to improve the prediction accuracy of formation depth and pres-sure. The high quality real-time full wave train data, which acquired from the newest version qu-adrupole acoustic logging while drilling technology, could monitor the real-time pressure and analyze borehole stability by calibrating the original rock mechanics model. After analyzing the quality of real-time quadrupole acoustic data, calculation method and the influence factors of the drilling environment in the Lingshui block—Western South China Sea, our results prove that this technology has great application values in the exploration of oil and gas field, which could largely improve the safety of drilling operation and optimize the economic benefits.
文章引用：王世越, 陈鸣, 孙本强, 杜超, 孙殿强. 随钻四极子声波技术在南海西部深水区钻探中的应用分析[J]. 地球科学前沿, 2018, 8(2): 351-360. https://doi.org/10.12677/AG.2018.82037

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