塔里木盆地大庆区块壳内地温场计算及应用分析

CALCULATION AND APPLICATION OF GEOTHERMAL FIELD WITHIN THE CRUST OF DAQING BLOCK IN TARIM BASIN

在简要介绍航磁资料应用于区域壳内地温场研究的方法原理之后， 通过塔里木盆地大庆区块的实算应用， 分析研究了壳内地温场特征及其对油气生成的影响。指出利用航磁资料反演居里面深度， 进而推算壳内平均地温梯度， 是研究地温场的有效方法， 为大庆区块地壳结构、地壳热状态的研究及生油潜力评估提供了重要依据。

This paper introduces the theory of studying geothermal field within regional crust using aeromagnetic data. Through the application on Daqing block in Tarim Basin, it analyses the characeristic of geothermal field within the crust and its effect on hydrocarbon generation. It concludes that an effective method for studying geothermal field is to inverse the Curie panel depth and defer the average geothermal gradient using aeromagnetic data. This provides an effective evidence for the study of crust structure and thermal state and the appraisal of hydrocarbon generation potential in Daqing block.