川气东送建设工程是我国首次对超深高酸性天然气进行大规模勘探开发、集中净化处理、长距离管道输送、综合市场开发及利用的系统工程，具有特大型、超复杂、高风险、高难度的特点。在简要介绍工程的开发背景、建设规模，分析其面临主要技术与管理难点的基础上，系统叙述了建设工程主要的管理与技术创新系列成果、建设理念及所取得的成就。建设工程所形成的超深高酸性气田勘探开发配套系列技术和特大型综合油气项目建设管理经验，必将为同类气田的建设提供有益的借鉴。

The Sichuan-to-East gas transmission project is the first systemic engineering project in China to explore and develop an ultra deep & high acid gas field on such a large scale, which contains natural gas exploration and development, centralized purification treatment, long distance pipeline transmission and comprehensive market development and utilization. It has the prominent characteristics of being oversize, extremely complex, highly risky and extraordinarily difficulty. Based on a brief introduction to the project's development background and construction scale, analyzing the main challenges of technology and management, this paper systematically accounts the construction ideas and the series of achievements of managerial and technical innovation. The construction and management experience of oversize comprehensive natural gas project about the ultra deep and high acid gas field exploration and development series techniques would surely be a useful reference for similar projects.