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金龙2井区复杂地层水平井井眼方位优化探讨 被引量:1

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摘要 金龙2井区位于准格尔盆地西北缘,地质条件复杂,二叠系储层乌尔禾组地层的直井钻井过程中遇到了严重的井漏问题。为改善金龙2井区的钻井作业条件,分析了已钻井的乌尔禾组地层的岩心实验数据、井史资料及测井资料,利用地质力学软件建立了该区块的地质力学模型。根据所建地质力学模型,位于分析井附近的新钻井水平井采用以前的钻井液密度,在乌尔禾组地层中沿NE180°钻进,避免了井眼失稳及其井下复杂,同时显著地减少了钻井液漏失。所建地质力学模型,可用于指导金龙2井区后续水平井钻井作业,以减少井漏及井眼失稳的发生。
出处 《钻采工艺》 CAS 北大核心 2015年第5期99-101,共3页 Drilling & Production Technology
基金 国家科技重大专项"钻井工程设计和工艺软件"资助 项目编号:2011ZX05021-006
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