为了提高深水钻井表层导管施工的安全性和时效性,针对深水浅层钻井难题,基于锤击沉桩原理,通过理论分析和工艺研究,对深水钻井表层导管水下打桩安装技术进行了分析。深水钻井表层导管水下打桩安装技术采用水下液压打桩锤系统将表层导管锤入地层,可在工作船上实施作业,不占用钻机时间。针对我国南海深水浅层地质特点和油气开发需求,对该技术在南海深水钻井表层导管施工作业的适应性进行了研究。结果表明,与目前采用的表层导管钻孔/固井和喷射法安装技术相比,水下打桩技术可分别节省65%和43%的作业时间、79%和46%的作业费用。表层导管水下打桩安装技术可有效提高深水浅层钻井的安全性和经济性,对我国南海深水钻井表层导管施工具有很好的适应性。

In order to improve the safety and efficiency of deepwater drilling conductor installation op-eration ,underwater tamping technique was studied .In view of the deepwater shallow formation drilling problem and based on the pile driving method ,the underwater tamping technique for deepwater drilling conductor installation was analyzed through theoretical analysis and process research .This technique uses underwater hydraulic pile system to drive surface conductor into deepwater formation from the working ship ,without taking the rig time .According to the geological characteristic of deepwater shallow zone in South China Sea and the requirement of oil and gas exploitation ,the adaptability of the underwater tamping technique applied in South China Sea deepwater drilling operation was analyzed .Compared with the con-ductor drilling/cementing and jetting technique ,underwater tamping can save 65% and 43% of operation time ,and 79% and 46% of operation costs ,respectively .Conductor underwa

动力定位性能研究是万马力级深水三用工作船自主研发这一国家工信部和财政部联合下达的配套研究课题之一。根据万马力级深水三用工作船的功能和特点，对其DP作业环境条件进行研究界定，结合该船的动力配置，着重分析和研究在不同作业工况下的动力定位能力。研究结果解决了该船在我国深水海域进行动力定位作业的关键技术。

Research on the dynamic positioning (DP) capability of twenty thousand class horsepower deepwater AHTS is one of the supporting research topics issued jointly by the Ministry of industry and information technology and the Ministry of finance. According to the functions and features of the twenty thousand class horsepower deepwater AHTS, this study defines its DP system operation environmental conditions, and emphasizes the analysis and study of the DP capability under different operation conditions based on the vessel’s power configuration. This research offers a solution to the key technologies concerning the AHTS operation in domestic deepwater regions.

介绍一种集成深水柔性管与脐带缆铺设、Reel与J-lay钢管铺设、水下结构物安装于一体的多功能立式管道铺设系统构成与设备特点。该系统可以安装在一艘中小型动力定位船舶上，其显著特点是可通过可移动式张紧器和J-lay铺管作业线的设计实现多种作业模式的快速转换，从而使船舶作业功能和灵活性大为提高，对于我国深水油气开发作业装备和多功能作业船的研究及设计建造有一定的借鉴意义。

This paper introduces the conifguration and the equipment characteristics of a multifunction vertical pipelaying system which is integrated of deep sea lfexible pipe line and umbilical cable laying, Reel and J-lay steel pipe laying, and underwater structure installation. This system can be installed on a medium/small dynamic positioning ship, and it is mainly characterized of the quick conversion among the various operation modes through the design of movable tensioner and J-lay pipelaying, which will greatly improve its performance and lfexibility of operation. It can be refered for the design and research of the deepwater oil and gas exploration equipment and the multifunction workboat.

深水钻井防喷器系统在保障海上油气作业安全,保护海洋环境和人身安全中起着关键作用.目前,国内深水钻井防喷器系统研制正在起步阶段,为了能提高国产深水钻井防喷器系统关键设备技术水平,在介绍深水钻井防喷器系统中关键设备的国内外技术现状基础上,重点对典型深水防喷器系统中深水BOP组和控制单元的关键设备进行了研究.分析了深水防喷器系统中其关键设备的主要特征,并对其组成和功能进行了说明.结合国内实际情况,提出了深水钻井防喷器系统研究建议.

The deepwater drilling BOP system plays a key role in oil and gas operation security, protecting the marine environment and personal safety.At present,The development of deepwater drilling BOP system in domestic is at the early stage,in order to improve the technical level of the key equipments in deepwater drilling BOP system made in our country,The present technical sta-tus of the deepwater BOP system used in marine drilling riser at home and abroad are introduced at the beginning,The key equipments of the BOP stack and control units of deepwater BOP sys-tem are researched especially.The main characteristics of the key equipments in deepwater BOP system are analyzed,and their compositions and functions are illustrated.Finally,combined with domestic actual situations,the suggestions of research on deepwater BOP System were given.

深水测试管柱的力学行为对深水测试的成功有着重要的影响。以陆地管柱力学研究为基础，对深水测试管柱的结构、工况、载荷以及研究现状进行了分析阐述。分析认为，国外深水测试技术成熟，深水测试管柱力学行为研究完善；而国内则主要依靠国外技术服务公司进行深水油气田的测试工作。同时，针对中国深水测试的应用现状，对深水测试管柱的力学行为研究进行了系统分析，指出应该建立考虑平台升沉和漂移、隔水管影响、产层高压流体、射孔冲击载荷、温度耦合作用等因素的深水测试管柱动力学模型，分析整个管柱的力学行为，实现对深水测试管柱的优化设计，提高深水测试管柱施工作业的安全可靠性。

The mechanical behavior of deep water testing string has an important influence on the success of the deep water test. Based on the study of the ground pipe string mechanical,the structure,working condition,load and the research status of the deep water testing string are analyzed and expounded. According to the result of the analysis,the test technology overseas is mature and the study of mechanical behavior of the deep water testing string is consummate. However,the test work of deep water field is mainly carried out by foreign technology service company. Aiming at the application status of deep water test in China,the mechanical behavior of the deep water testing string is analyzed systematically. The conclusion shows that a dynamics model of deep water testing string could be built,considering the heaving and drifting of platform,the high pressure fluid of pay formation,the impact of perforation,the temperature coupling effect and other factors. For the purpose of optimiz