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首页> 外文会议>Society of Petroleum Engineers Coiled Tubing and Well Intervention Conference and Exhibition >First Successful Coiled-Tubing Intervention Operation on the Helideck of aNormally Unmanned Installation in Offshore India
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First Successful Coiled-Tubing Intervention Operation on the Helideck of aNormally Unmanned Installation in Offshore India

机译：在印度海上近海安装的先驱的第一个成功的盘管干预操作

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This paper describes the challenges involved with providing a coiled-tubing (CT) intervention solution from the helideck of anormally unmanned installation (NUI) in the Gulf of Cambay in offshore India.The project began with a detailed analysis to determine if intervention was practical from the helideck of the NUI, or ifbarge support or a full jackup-rig intervention was necessary. Some factors in this analysis included the limited deck space,restricted crane capacity, and the existing available utilities. This led to the planning and sourcing of suitable CT, flowbackequipment, nitrogen, and fluid-pumping equipment, as well as necessary downhole tools. Trials were performed onshore tooptimize the rigup, stackup, and deck layout. The boat loading and lifting plans were created from these trials. Thecombination of the prejob planning and the trials led to the confidence to conduct this intervention with modified safetyarrangements required for the platform when no helicopter operations could be performed.The purpose of the actual intervention was to complete sand cleanout of the horizontal-well section, isolate the lower oil-producing zone, open a sliding sleeve to access the upper zone, and unload the well with nitrogen to restore production.This paper also includes the variety of applied technologies that were either attempted or successfully used to bring thewell back into production. This required the use of the latest generation of horizontal, downhole-tool solutions, slicklinetractors, CT-tool deployment, and contingency operations, which involved a wide range of downhole tools. The results fromthe intervention and the lessons learned are presented.
机译：本文介绍开始了详细的分析涉及海上India.The项目坎贝湾提供连续油管从anormally无人安装（NUI）的直升机甲板（CT）介入解决所面临的挑战，以确定是否干预是从实用的NUI，或ifbarge支持或全自升式钻机干预的直升机甲板是必要的。在该分析中的一些因素包括在有限的甲板空间，限制起重机容量，和现有可用的实用程序。这导致了规划和适当CT，flowbackequipment，氮和流体泵送设备，以及必要的井下工具的采购。试验是陆上进行tooptimize的rigup，叠层和甲板布局。船上装载和提升计划，从这些试验产生。在作业前规划的Thecombination并导致信心的试验与平台需要进行修改safetyarrangements进行这种干预时，没有直升机业务可能是实际干预performed.The目的是将水平井段，分离的完整砂清洗较低产油区，打开滑动套筒访问上部区域，并用氮气卸载以及恢复production.This纸还包括品种，要么试图或成功地用来使thewell重新投入生产应用的技术。这需要使用最新一代的水平，井下工具的解决方案，slicklinetractors，CT-工具部署和应急行动的，涉及范围广的井下工具。结果fromthe干预和吸取的经验教训介绍。

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