基于随钻测井的地质导向解释系统研究与应用  

RESEARCH AND APPLICATION OF GEOSTEERING INTERPRETIVE SYSTEM BASED ON THE LWD

作　　者：闫振来[1] 

机构地区：[1]胜利石油管理局钻井工艺研究院

出　　处：《钻采工艺》2010年第5期5-10,共6页Drilling & Production Technology

基　　金："十五"国家科技攻关项目"复杂油气藏配套钻井技术及关键装备研究"(2003BA613A-11);中国石化集团"十条龙"科技攻关项目"地质导向钻井技术研究"(JP03009)的部分成果

摘　　要：通过理论分析和方法研究,实现了地层岩性定性判别和流体性质识别;随钻测井资料预处理和标准化后,可以利用两条随钻测井曲线实时识别地层岩性;经过垂深校正,可以直接与直井测井曲线进行对比分析,并采用直井参数解释方法对所钻遇地层进行随钻地层参数解释,通过邻井对比再结合地质、钻井等资料进行随钻地层评价;提出了从测井曲线中提取小层对比信息和极值方差聚类自动分层方法,实现了所钻地层的层位和岩性对比;研发了水平井地质导向测量参数随钻解释系统。实践表明,水平井地质导向测量参数随钻解释系统能够较好地指导油气藏评价和水平井地质导向钻井施工,随钻解释成果与电缆测井解释成果相比具有很高的可比性。实施地质导向钻井技术的前提是将随钻测井数据与储层地质特征进行实时对比和评价,从而有效控制井眼轨迹的走向。建立实时解释平台是实现地质导向钻井的基础工作,而研发基于地质导向钻井的测量参数随钻解释系统可以为地质导向钻井井眼轨迹控制提供决策依据。Through theoretical analysis,the formation lithology discriminate and fluid property identification were realized.After pretreatment and standardization for LWD data,using two LWD curves could identify formation lithology at first time,and carried out formation evaluation while drilling by comparative analysis with borehole log of straight well;Using contrast information obtained from borehole log and extremal variance clustering delamination procedure could realize the contrast of horizon drilled and lithology.And the geosteering interpretive system based on the LWD was developed.Application results showed that the system could guide the reservoir evaluation and geosteering drilling,and the comparability of wireline logging interpretation results and interpretation results while drilling was very high.The geosteering drilling technology can control the direction of well track effectively.

关 键 词：水平井 随钻测井 地质导向 随钻地层评价 随钻解释系统 

分 类 号：P631.83[天文地球—地质矿产勘探]