替代触发器在油田实时地质导向系统中的应用  

An Application of Instead Trigger in the Real-time Geosteering System

作　　者：王珂 严又生 李自超 

机构地区：[1]东方地球物理公司信息技术中心,北京100043

出　　处：《电脑编程技巧与维护》2013年第14期99-100,106,共3页Computer Programming Skills & Maintenance

摘　　要：地质导向是通过安装在钻井近钻头处的测量工具,实时返回地下地层信息,通过调整钻进参数,保持钻头尽可能穿行于地下油气储层中的一种先进的多学科综合科学钻井和地质研究技术。地质导向实时系统可以将现场数据实时传输回基地的研究中心,供研究人员进行分析决策。Oracle替代触发器可以解决在数据接收和应用过程中的多数据源和异构数据库应用问题。Geosteering system is an advanced multi-discipline applied science drilling and Geology research technology which use the real-time formation information returned by the survey tool that was installed near by the drilling bit under- ground to adjust drilling parameters in order to keep drilling trajectory in the oil＆gas production layer as long as possible. Geosteering real-time system can transfer real-time data from drilling site to remote research center and help engineer＇ s decision analysis. Oracle instead trigger can solve Application problems multiply data source and heterogeneous database during the data receive and date application processes.

关 键 词：替代触发器 多数据源 异构数据库 数据同步 

分 类 号：TE927.6[石油与天然气工程—石油机械设备] TP311.13[自动化与计算机技术—计算机软件与理论]