摘要
本文着重讨论钻井船重返井口作业时的地基问题,即讨论原桩穴对插桩的影响;桩脚引起的附加应力对原有平台基础的影响以及井口基盘的稳定等问题。这些课题都是在生产实践中提出的,其研究成果在海上钻井作业中,具有一定的实用价值。
The article mainly discusses the foundation problems in the jack-up reentry to the wellhead. These problems are the influence of the original leg hole on the leg penetration of the additional stress caused by the leg footing on the original foundation and stability of the template. The abovd mentioned subjects are raised in the drilling practice and the results of the research is useful in the offshore drilling.
出处
《中国海上油气(工程)》
1989年第4期29-35,共7页
China Offshore Oil and Gas