Study on Optimum Completion Technology for Building Underground Gas Storage in Depleted Gas Reservoirs

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摘要： 在地下储气库、气田、小型 LNG等众多调峰方式中，地下储气库仍是当今世界最主要的天然气储存方式和调峰手段。继西南地区第一座储气库—相国寺储气库建立以来，目前正启动相国寺储气库扩容工程，未来的十年内西南油气田将新建5个储气库，形成工作气量达100×10⁸ ｍ3，日调峰采气量超过 8300×10⁴ｍ³ 的储气库群。针对枯竭型气藏储气库，具有地层压力系数低的特点，在考虑完井工艺时不仅要充分发挥注采井的产能，保证储气库的应急调峰能力，同时还要保障注采井安全、高效注采，增加气井寿命。储气库在强注强采工况下，管柱会发生高频振动，导致管柱螺纹和封隔器疲劳失效，需进一步开展光纤监测管柱振动的研究。结合枯竭型气藏的特点，通过总结相国寺和国外储气库注采井完井方式、油管选择、注采管柱结构、井下工具及井口装置等工艺技术，为新建储气库完井设计提供依据。

关键词: , 枯竭型气藏, 储气库, 完井工艺, 强注强采, 注采井

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QIN Shan, LU Linfeng, JIANG Yi, WANG Han, ZHANG Jiantao, TIAN Lu. Study on Optimum Completion Technology for Building Underground Gas Storage in Depleted Gas Reservoirs [J]. Drilling & Production Technology, 2020, 43(增): 57-60.

秦山, 陆林峰, 姜艺, 王汉, 张健涛, 田璐. 枯竭型气藏储气库完井工艺技术优化研究[J]. 钻采工艺, 2020, 43(增): 57-60.

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Study on Optimum Completion Technology for Building Underground Gas Storage in Depleted Gas Reservoirs

枯竭型气藏储气库完井工艺技术优化研究

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