当前中国西部新区物探工作的几点思考
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摘要
为适应新的油气勘探形势要求,应进一步加强4个方面工作:①有必要进一步提高地震勘探的分辨率,为此, 应继续把做好静校正作为提高分辨率的关键工作来抓;做好沙漠区沙丘对地震波的吸收衰减补偿工作;从资料处理角度重视做好沙漠区激发子波分析,并实现确定性子波反褶积,保幅处理要坚持同时实现时间域-频率域保幅处理; 进一步提高分辨率采集研究。②重视加强三维工区速度资料的研究,深化三维资料区速度研究,做好速度分析研究工作。③加强山前地震攻关研究。④做好地层-岩性类隐蔽油气藏的识别难题,隐蔽圈闭研究有10大难题。为此,有必要进一步提高地层-岩性类复合型隐蔽油气藏的识别描述水平,必须切实做好3项基础工作,必须为圈闭识别和储层预测描述提供应有的资料成果,必须做好精细的速度研究和变速成像技术,必须提交迭前时间偏移成像剖面。
Four aspects of works should be enhanced in accordance with the new situation of petroleum exploration in west frontiers of China.(1)Increasing resolution of seismic exploration, which including static correlation,calculation of absorption and attenuation compensation of seismic wave in desert area, shooting wavelet analysis, deconvolution of definite wavelet, and simultaneous time-frequency amplitude-preserving processing.(2)Paying great attention to the study of velocity data of 3D seismic exploration(3)Improvement of seismic exploration in mountain front.(4) Determination of subtle stratigraphic-lithological reservoirs, such as fine calculation of velocity, variable speed imaging, prestack imaging section should be studied in detail.
Four aspects of works should be enhanced in accordance with the new situation of petroleum exploration in west frontiers of China.(1)Increasing resolution of seismic exploration, which including static correlation,calculation of absorption and attenuation compensation of seismic wave in desert area, shooting wavelet analysis, deconvolution of definite wavelet, and simultaneous time-frequency amplitude-preserving processing.(2)Paying great attention to the study of velocity data of 3D seismic exploration(3)Improvement of seismic exploration in mountain front.(4) Determination of subtle stratigraphic-lithological reservoirs, such as fine calculation of velocity, variable speed imaging, prestack imaging section should be studied in detail.
引文
[1]曲寿利,王鑫．国内外物探技术现状与展望[M]．北京:地质出版 社,2003
[2]王顺国．复杂山区静校正研究及应用[J]．石油物探,1998,37(4): 93～103
[3]杨宝林,田希泰．用近地表模拟实现静校正[J]．石油地球物理勘 探,1988,22(5)
[4]熊翥．我国物探技术的进步及进展[J]．石油地球物理勘探, 2004,39(3):354—358
[5]俞寿朋．高分辨率地震勘探[M].北京:石油工业出版社,1992
[6]王克宁．地震记录极性和层位标定研究[J]．石油地球物理勘探, 1992,(1):25—32
[7]韩文功．用合成记录提高地质层位的解释精度[J]．石油物探,1993, 32(3):21-30
[8]徐怀大．寻找非构造油气藏的新思路[J]．勘探家,1996,(1):43—45
[2]王顺国．复杂山区静校正研究及应用[J]．石油物探,1998,37(4): 93～103
[3]杨宝林,田希泰．用近地表模拟实现静校正[J]．石油地球物理勘 探,1988,22(5)
[4]熊翥．我国物探技术的进步及进展[J]．石油地球物理勘探, 2004,39(3):354—358
[5]俞寿朋．高分辨率地震勘探[M].北京:石油工业出版社,1992
[6]王克宁．地震记录极性和层位标定研究[J]．石油地球物理勘探, 1992,(1):25—32
[7]韩文功．用合成记录提高地质层位的解释精度[J]．石油物探,1993, 32(3):21-30
[8]徐怀大．寻找非构造油气藏的新思路[J]．勘探家,1996,(1):43—45
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