| 水下井口回接工艺在边际油田开发中的应用及改进 |
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| 引用本文： | 魏刚,;李立宏,;张春琳,;邵明仁.水下井口回接工艺在边际油田开发中的应用及改进[J].海洋地质译丛,2009(2):88-91. |
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| 作者姓名： | 魏刚 ;李立宏 ;张春琳 ;邵明仁 |
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| 作者单位： | [1]中海油能源发展股份有限公司监督监理技术公司,天津塘沽300452; [2]中海油有限公司开发生产部,北京100010; [3]中海能源发展股份有限公司采油技术服务公司,天津塘沽300452 |
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| 摘 要： | 水下井口回接是海洋石油钻井工程中的一项特殊工艺。为降低开发成本,提高边际油田的开发效益,利用临时弃井的井进行水下井口的回接,并在此基础上建造小型生产平台是开发边际油田一项不错的选择。于1988年钻探的BZ34-3-2D井,试油显示较好,采用了保留水下井口的临时弃井。介绍了井口回接工艺以及该工艺在BZ34-3油田的应用中遇到的困难,对常规井口回接工艺进行了改进与创新,利用水下摄像技术观察水下井口情况,最终回接成功,对今后水下井口回接作业有一定的指导作用。
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| 关 键 词： | 海洋钻井 临时弃井 边际油田 水下井口 水下摄像 |
Application and innovation of subsea wellhead tieback technology in marginal oilfield development |
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| Institution: | Wei Gang, Li Lihong, Zhang Chunlin, Shao Mingren( 1. Supervision and Technology Co. , CNOOC Energy Technology ＆ Services Ltd. , Tanggu 300452;2. Development and Productiotz Department, CNOOC Ltd. Beijin 100010;3. Oil field Technology Service Co. , CNOOC Energy Technology ＆ Services Ltd. Tanggu 300452) |
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| Abstract: | Sub-sea wellhead tieback technology is a special technology of offshore drilling engineering. In order to decrease production cost and increase development benefits, applying the well bore of temporary abandonment well to tieback the sub-sea wellhead and building small production platform is a good way. Well BZ34-3-2D was drilled in 1988 and was temporary abandoned but the sub-sea wellhead was kept. This paper introduces the tieback technology and the difficulties using the technology in BZ34-3 oilfield. Through the improvement and innovation of the tieback technology, the underwater video was applied to observe the subsea wellhead, at last, the tieback was successful which can guide the sub sea wellhead tieback for the future. |
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| Keywords: | offshore drilling temporary abandonment marginal oilfield sub-sea wellhead underwatervideo |
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