基于GIS数据仓库的激光单分子海洋油气化探数据可视化处理

Visual processing of geochemical data of laser single-molecule detection for marine oil and gas prospecting on the basis of data warehouse

采用基于地理信息系统(GIS)的数据仓库技术,以激光单分子海洋油气化探数据处理与评价作为数据仓库主题,实现了激光单分子海洋油气化探数据的可视化处理。将可视化处理分为4个步骤:数据预处理、异常背景分析、异常分析、异常综合评价;使用MAPX、DELPHI等软件研制开发了相应的可视化软件模块。通过对渤海湾盆地某测区实测的甲苯化探数据的处理,验证了所开发技术的实用性。

Visual processing of geochemical data obtained with laser single-molecule detection （LSMD） for marine oil and gas prospecting on the basis of geographic information system （GIS） and data warehouse is presented in this paper. The procedure of visual processing consists of data pretreatment, background analysis of anomaly, anomaly analysis and anomaly appraisal. The program of data processing system and mapping system is made according to the procedure of data processing. The procedure of data processing and its program were verified by the CH4 data obtained by LSMD in the Bohai. The geochemical anomalies clarified by the visual processing satisfy the purpose of marine oil and gas geochemical prospecting.