油气资源遥感勘查新方法

NEW METHODOLOGY IN REMOTE SENSING EXPLORATION FOR OIL AND GAS RESOURCES

地下深处的油气藏中的烃类物质,在压力梯度下会向地表产生微渗漏,导致地表物质产生一系列理化异常,在地表形成吸附烃异常、红层退色、粘土化、碳酸盐化、放射性异常和地植物异常等标志。根据这些地表标志的地物波谱特征,选择出油气资源遥感勘查的最佳工作波段,在此基础上,以机载遥感信息为主,以星载遥感信息为辅,以地表地球化学、地植物学、地面遥感勘查作为验证手段,最终施行多元信息复合分析,可达到寻找油气藏的目的。

The hydrocarbon from the oil and gas pool in the depth beneath the erath surface will escape toward the surface under pressure gradient, and cause microseepage to the surface, which makes the surface material to show a series of physical and chemical anomalies, so, many indications are formed in the surface such as: absorbent hydrocarbon anomaly, decoloration of red beds, clay mineralization, carbonatization, radioactive anomaly and geobotanical anomaly. According to the spectral properties of these subface indications, select the optimal working bands for oil and gas exploration, thereupon, the airborne remote sening information is mainly applied, and space-borne remote sensing information subsidiary, use ground geochemical, geobotanical, and ground remote sensing exploration as verification means, finally, multielement information composite analysis is conducted to reach the goal of finding oil and gas deposits.