摘要
根据中国大陆科学钻探的主孔设计方案 ,研究了 2 0 0 0m活动套管的固定与起拔方案 ,设计了活动套管的程序结构和施工工艺 ,目前 ,该科研成果已在中国大陆科学钻探施工中实施。
The precept of casing fixing and pulling out was researched and the casing structure and working procedures were designed based on the design of CCSD main hole. The precept and the design were adopted and actualized in CCSD.