深水吸力桩新型表层建井技术适应性分析  

Adaptability Analysis of New Constructing Well Technology with Suction Pile for Deep-water Wells

作　　者：刘正 刘和兴 同武军 郑金龙 赵维青 赵新 Liu Zheng;Liu Hexing;Tong Wujun;Zheng Jinlong;Zhao Weiqing;Zhao Xin(Deep-water Drilling&Production Technology Company,Engineering Technology Branch of CNOOC Energy Technology&Services Limited(Zhanjiang,Guangdong 524057,China);Zhanjiang Branch,CNOOC(China)Limited(Zhanjiang,Guangdong 524057,China);Key Laboratory of MOE for Petroleum Engineering,China University of Petroleum(Beijing)(Beijing 102249,China))

机构地区：[1]中海油能源发展股份有限公司工程技术分公司深水钻采技术公司,广东湛江524057 [2]中海石油(中国)有限公司湛江分公司,广东湛江524057 [3]中国石油大学(北京)石油工程教育部重点实验室,北京102249

出　　处：《石油工业技术监督》2021年第4期57-62,共6页Technology Supervision in Petroleum Industry

基　　金：中国海洋石油集团有限公司十三五重大科技项目“南海深水钻完井关键技术研究”(编号:CNOOC-KJ 135 ZDXM 05LTDZJ 01);中海油南海西部油田“上产2000万方”支持项目(编号:CNOOC-KJ 135 ZDXM 38 ZJ 05 ZJ);中国海洋石油集团公司有限公司综合科研项目“深水吸力桩表层建井技术研究”(编号:YXKY-2019-ZJ-07)资助。

摘　　要：喷射表层建井为国内主要的深水表层建井方式,该技术存在一定局限性,对井场调查要求高、作业扰动较大、对井身结构和导管下入深度要求高等,深水井建井安全面临挑战。吸力桩建井是一种新型深水井表层建井技术,该技术在松软地层、浅层气或水合物浅层地质灾害应对、主井位与备用井位选择、定向井轨迹优化、井身结构优化、工程风险控制等方面具有明显优势,可解决深水井表层建井面临的问题,拓展国内自营深水井表层建井方式。通过调研分析,对深水吸力桩表层建井技术及其适应性开展研究,为技术在国内的推广使用建立应用基础。Jet surface layer well construction is the main way of surface construction of deep-water wells in China.However,the technology has some limitations.It has high requirements to well site investigation,wellbore structure and conduit driving depth,and a large operation disturbance.Therefore,the well construction safety of deep-water well is facing challenges.Suction pile well construction is a new kind of surface well construction technology for deep-water wells,which has obvious advantages in well construction in soft formation,response of geological disaster in shallow gas or hydrate formation,selection of main well location and standby well location,optimization of directional well trajectory,optimization of wellbore structure,control of engineering risk and so on.It can solve the problems faced by surface well construction for deep water wells,and expands the way of domestic self-operated surface well construction for deep water wells.Through investigation and analysis,this paper discusses the surface well construction technology of deep-water suction pile and its adaptability,so as to establish the foundation for the popularization and application of the technology in China.

关 键 词：表层导管 吸力桩建井 井口稳定性 适应性分析 

分 类 号：TE5[石油与天然气工程—油气田开发工程]