摘要
塔里木盆地库车山前地区目前已经逐渐从勘探阶段进入开发阶段,由于库车山前构造复杂、逆掩发育,需要从储层方面出发研究,但预测技术难点是很难实现在逆掩模型的基础上进行反演工作.提出了一种针对逆掩复杂构造的反演新方法,通过这种方法解决了塔里木盆地库车山前逆掩复杂构造反演技术问题.该方法主要技术思路是通过可视化地质框架建模建立逆掩模型,把下盘层位定义为上盘层位的数据点,在逆掩模型基础上进行稀疏脉冲反演工作.但受软件模块的限制导致岩性对接关系不够清晰,而地质统计学反演利用模型生成的层位进行约束,使得岩性对接关系更加精细准确,最终实现逆掩构造反演.逆掩模型建立的实现可能为一种新的技术手段,为解决库车复杂构造以及储层的研究提供技术支持.
At present,the Kuqa area has gradually entered the development stage from the exploration stage. Because of complex structure and overthrust development in Kuqa Piedmont,which needs to be studied from the reservoir,but the difficult point of the prediction technique is that it is difficult to make the inversion work on the basis of the present overthrust model. In this paper,a new inversion method for complex overthrust structures is proposed. The inversion technique for complex overthrust structures in Kuqa Piedmont of Tarim Basin is perfectly solved by this method. The Earth Model FT overthrust model is mainly established by the data point that defines the lower disk layer as the upper layer. However,due to the limitation of software module,lithologic docking relationship is not clear enough. Geostatistical inversion uses the horizon generated by the model to constrain lithologic docking relationship,which makes lithologic docking relationship more precise and accurate,and ultimately realizes inversion of overthrust structure. The realization of the overthrust model may be a new technical means to provide support for the study of complex structures and reservoirs in Kuqa.
作者
张伟
刘永雷
许建华
高能学
刘晓光
李磊
ZHANG Wei;LIU Yonglei;XU Jianhua;GAO Nengxue;LIU Xiaoguang;LI Lei(BGP Inc.,China National Petroleum Corporation,Korla 841000,Xinjiang China)
出处
《河南科学》
2019年第10期1676-1681,共6页
Henan Science
基金
国家科技重大专项（2017ZX05018-003）
关键词
库车山前
逆掩模型
逆掩构造反演
Kuqa
overthrust model
inversion of the overthrust structure
