THE DEVELOPMENT OF CHINA ONSHORE DRILLING SCIENCE AND TECHNOLOGY-A REWIEW AND ITS PROSPECT

This paper reviews briefly the development of China onshore drilling science and technology in the past fifty years, and summarizes the progresses achieved on six aspects, lists three kinds of evaluating opinions and four items of experience. It concluded that self-research and development is crucial for the progress of drilling technology, at the same time selectively imports advanced foreign technology is necessary. Looking back the drilling technology development in the past fifty years worldwide, it can be seen that automation and intellectualization on drilling dominate the trend in the 21st century. In combination with the serve status that the industry faces,five new tasks that should be currently solved are presented for reference to the authorities.