海底第四系水文地质勘探井——嵊泗二井施工工艺的探讨  

Submarine Quaternary Hydrogeological Exploration Borehole——The Shengsi No.2 Borehole Construction Technology

作　　者：张春林[1] 王玉春[1] 

机构地区：[1]中国煤炭地质总局第三水文地质队,河北邯郸056001

出　　处：《中国煤田地质》2007年第A02期90-92,共3页Coal Geology of China

摘　　要：为了查明浙江省嵊泗列岛北部海底第四系水文地质情况,中国煤炭地质总局第三水文地质队于2007年成功实施了水文地质勘探井——嵊泗二井。该井施工采用小型自升式钻井平台与驳船及辅助船只组合的方式,解决了平台与驳船的连接,克服了风浪和潮汐的影响,以井口管隔离海水并防范地下浅层气逸出;最后采用改造的无簧复位水力式内割刀方式完成弃井作业。整套施工工艺可为海上钻探施工提供借鉴。To investigate submarine Quaternary hydrogeological condition of northern Shengsi islands, Zhejiang Province, the Third Hydrogeological Exploration Team of CNACG successfully drilled a hydrogeological exploration Shengsi No.2 borehole. The operation of the borehole used a small self-lifting drilling platform combined with barges and auxiliary ships, has settled the hard nut of to link the platform and barges; to overcome influence from fully developed sea and tide; to use mouth tube closed off seawater and prevent seabed superficial gases breaking away; finally to use altered springless resetting hydraulic inner stick bite accomplished the borehole cast off operation. The complete set of construction technology can be used for reference henceforth.

关 键 词：海底第四系水文地质 勘探井 施工工艺 

分 类 号：P756.5[天文地球—海洋科学]