In this paper firstly introduces the development of scientific drilling project in the developed countries , secondly presents the opportunities and challenges faced by china in the process of proceeding ccsd ( chinese continental scientific drilling project ) , and the main contents of the paper focus on researching and developing a novel drilling fluids , formate brine solid - free drilling fluids , that may be suitable for ccsd 本文首先介绍了科学钻探在发达国家的进行情况,相继阐述了中国进行大陆科学钻探工程将面临的机会和挑战,论文的主要内容是研究一种能适合大陆科学钻探的钻井液体系? ?甲酸盐无固相钻井液体系。论文的重点分甲酸盐无固相钻井液体系的若干理论问题研究和试验两部分。