侧钻井配套技术在庙C25-15井的应用

庙C25-15井是长城钻探公司在冀东油田完成的一口侧钻井。在该井施工中,通过应用长城钻探具有自主知识产权的侧钻井开窗、扩孔和完井等综合配套技术,较好地解决了老爷庙区块侧钻井普遍存在的环空间隙小、水泥环薄、尾管难以居中和固井质量差的问题,顺利地完成了庙C25-15井的侧钻施工任务。该井的成功钻成为冀东油田规模推广侧钻井打下了良好的基础。

Matching technology application of sidetracking in Miao C25- 15 well

Miao C25-15 is a sidetracking well completed by Great Wall Drilling Company in Jidong oilfield.During well opera tion,some comprehensive matching techniques,with the in tellectual property of their own,such as sidetracking window cutting,reaming and well completion have been put into ap plication,solving general existing problems of sidetracking in Laoyemiao area,such as small annular clearance,thin ce ment annulus,poor cementing quality and liners difficult to be placed in the middle,successfully completing the side tracking in C25-15 and providing a practical basis for side tracking popularization in Jidong oilfield.