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非地震综合物化探技术,是根据不同的勘探目的和探区地球物理条件,有选择地使用多种物探技术进行联合勘探、综合解释。目前采用的主要勘探方法有重力、磁力、电法、化探等。随着野外采集质量的提高及计算技术的不断进步,突破了单一资料解释的限制,开展了物化探资料综合解释的新技术。它在很大程度上降低了单一重、磁、电异常的多解性,提高了解释成果的准确性。非地震综合处理解释系统的应用,使得重、磁、电资料的联合解释成为现实。勘探实例表明,重、磁、电、化勘探综合应用技术在盆地早期勘探阶段,能有效地解决盆地拗隆分布、区域构造、基底结构等问题,同时可结合少量的地震、钻井及地质资料对各构造单元作出早期含油远景评价;在目标勘探方面,如解决碳酸盐岩地区找礁、圈定火成岩体、基底岩相预测、盖层岩性、山前逆掩断层等地质问题也有较好的效果。
Non-seismic geophysical and geochemical exploration technologies are based on different exploration purposes and exploration geophysical conditions, and are selectively explored and interpreted comprehensively using various geophysical techniques. The main exploration methods currently used are gravity, magnetic force, electrical method, geochemical exploration and so on. With the improvement of field acquisition quality and the continuous improvement of computing technology, the limitation of single data interpretation has been broken through and new technologies for the comprehensive interpretation of geophysical and geochemical data have been developed. It largely reduces the multiplicity of single heavy, magnetic and electrical anomalies, and improves the accuracy of interpretation results. The application of non-seismic comprehensive interpretation system makes the joint interpretation of heavy, magnetic and electrical data a reality. The exploration examples show that the integrated application of heavy, magnetic, electric and chemical prospecting technologies can effectively solve the problems of auroral distribution, regional structure and basement structure in the basin during the early exploration stage of the basin. At the same time, a combination of few seismic, drilling and geological data pairs The tectonic units make the early oil-bearing long-term evaluation. In the target exploration, geological problems such as finding reefs, delineating igneous rocks, basement facies prediction, caprock lithology and piedmont inverse overthrust are also better in carbonate exploration effect.