三维地震勘探技术在开滦林南仓矿的应用 .pdfVIP

学兔兔 第22卷8期 中 国 煤 炭 地 质 V01．22 No．8 2010年8月 COAL GEOLOGY OF CHINA Aug． 2010 doi：10．3969~．issn．1674-1803．2010．08．15 文章编号：1674—1803(2010)08—0058—03 三维地震勘探技术在开滦林南仓矿的应用 成润根，段建华，石君华 (中国煤炭地质总局水文物测队，河北 邯郸 056001) 摘 要：开滦林南仓矿位于华 E平原北部，地面建筑物密集、煤层倾角大、地质构造复杂。为取得较好的三维地震勘探 效果，针对该区的施工难点，采用了特殊观测系统设计与施工方法，确保障碍物地段覆盖次数与全区保持一致；在资 料处理时采用了叠前时间偏移处理技术和目标处理技术．有效解决了陡倾角复杂地质构造成像及多煤层识别等难 题。 关键词：林南仓矿；三维地震；特殊观测系统；叠前时间偏移、目标处理 中图分类号：P631．4 文献标识码：A Application of 3D Seismic Prospecting Technology in Linnancang Coalmine，Kailuan Cheng Rungen，Duan Jianhua and Shi Junhua (Hydrogeological，Geophysical Prospecting and Surveying Team，CNACG，Handan，Hebei 056001) Abstract：The Linn ancang coalmine，Kailuan is situated in the noahern Noah China Plain，with developed economy，dense population，closely spaced surface buildings，large coal seam dip angle and complex geological structures．For obtaining of better 3D seismic prospecting effects，in allusion to the operational nodi in the area，special observation system design and operation methods have adopted to keep folds in the obstacle sectors coincide with folds in the whole area．In data processing，prestack time migration and object processing technologies have adopted，thus nodi of steep dip angle complex geological structural imaging and multiple coal seams recognition solved effectively． Keywords：Linnancang coalmine；3D seismic prospecting；special field setup；prestack time migration；object processing O前 言 及无煤