探矿工程-岩土钻掘工程Issue(5)：20-24,5.
四川盆地及周缘页岩气水平井钻井面临的挑战与技术对策
Challenges of Shale Gas Horizontal Well Drilling in Sichuan Basin and Its Vicinity and the Technical Counter-measures
摘要
Abstract
In recent years, there has been a major breakthrough in shale gas exploration in Sichuan basin and its vicinity by SINOPEC, but the commercialization process of exploration and development is influenced by low penetration rate, long drilling cycle, high drilling cost and bad well completion quality in this area.In this article, the main challenges in shale gas horizontal drilling are summarized, air drilling limited by shallow formation water, low ROP due to large diameter of di-rected section, frequent circulation lost, hole deviation by air drilling and poor cementing quality in horizontal section with oil based drilling fluid.Aiming at the above challenges, the technical countermeasures are proposed in 6 aspects:shallow formation water control, test of directional drilling with foam drilling fluid, prevention and treatment for circulation lost, de-velopment of anti-deviation device for air drilling, cementing of shale gas horizontal well and research and application of multi-well pad drilling technology.All these can provide reference for the research on shale gas drilling technology and con-struction.关键词
页岩气/水平井/钻井/气体钻井/四川盆地Key words
shale gas/horizontal well/drilling/air drilling/Sichuan basin分类
能源科技引用本文复制引用
臧艳彬,白彬珍,李新芝,牛新明,张金成..四川盆地及周缘页岩气水平井钻井面临的挑战与技术对策[J].探矿工程-岩土钻掘工程,2014,(5):20-24,5.基金项目
中国石化科技部重点攻关项目“页岩气井工厂技术研究”资助 （）
