石油地球物理勘探2024，Vol.59Issue(3)：581-590,10.DOI:10.13810/j.cnki.issn.1000-7210.2024.03.021
花岗岩内幕储层温度预测技术及效果
Prediction technology and effectiveness for temperature of granite inner reservoirs:a case study of hot dry rock in Gonghe Basin
摘要
Abstract
Indosinian granite in Gonghe Basin,Qinghai Province is a favorable hot dry rock resource.How-ever,the seismic reflection inside the granite is disordered and highly heterogeneous.At present,the tempera-ture prediction method based on seismic data is rare,which restricts the development of hot dry rock resources.Therefore,the temperature prediction technology for granite inner reservoirs was proposed.The seismic data of different frequency bands were reconstructed,and the dominant frequency band(10～20 Hz)with good lateral reflection continuity inside the granite was optimized for tectonic interpretation.Combined with the longi-tudinal variation characteristics of lithology and electrical properties,the interior of granite was divided into four layers.According to the laboratory results,the relationship between temperature and seismic velocity was es-tablished by using well logging data,and then high-precision longitudinal wave velocity inversion was carried out to predict the spatial variation of temperature.This method has achieved good results in Gonghe Basin and can provide a reference for similar areas.关键词
干热岩/优势频带/温度预测/共和盆地/花岗岩内幕Key words
hot dry rock/dominant frequency band/temperature prediction/Gonghe Basin/interior of granite分类
天文与地球科学引用本文复制引用
常德双,郭增虎,汪关妹,唐美珍,王冬雯..花岗岩内幕储层温度预测技术及效果[J].石油地球物理勘探,2024,59(3):581-590,10.基金项目
本项研究受国家重点研发计划项目"深部热储地球物理探测技术联合研究"(2020YEF0201300-02)资助. （2020YEF0201300-02）
