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在阿拉伯湾的阿布扎比岸外作了一系列的地震测量和校准用的地震测井工作。两年来打了一些野猫井以后,又重新进行了解释。虽然长周期和短周期的多次反射波在这个地区很常见,它们妨碍我们从深层去检出一次波;低速干扰也破坏了反射同相轴的连续性,但记录质量看起来还是好的。在数字处理上作了一系列的试验工作,和生产性处理,最后的结果有了重大改进。数字处理的方法用六次和十二次最佳多道滤波迭加,迭加前用短算子变时间反褶积,迭加后用长算子时间不变类型的反褶积。使用得很成功。每口野猫井以后的重新处理和重新解释,以及某些钻井资料包括地震合成记录使我们可以更精确地绘制构造图,这样就为下一步的勘探和油层评价提供了更可靠的资料。
A series of seismic logging for seismic surveying and calibration was conducted off the coast of Abu Dhabi in the Arabian Gulf. After a couple of wild cat wells were hit in two years, they were reinterpreted. Although long-period and short-period multiple reflections are common in this region, they prevent us from detecting the primary from the deeper; low-speed interference also disrupts the continuity of the reflection events, but the quality of the recording looks good. A series of experiments were carried out on the digital processing, and the productive treatment was carried out. The final result has been greatly improved. The digital processing method is superposed by six times and twelve times of the best multi-pass filter. Before the addition, the short operator is used to deconvolve the time. After the superposition, the deconvolution with long operator’s time invariant type is added. Used very successfully. Future reprocessing and reinterpretation of each wildcat well, as well as some drilling data including seismic composite records, allow us to map the structure more accurately, thus providing more reliable information for further exploration and reservoir evaluation.