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一个气田从发现到正式投入开发，必须在前期通过必要的技术和手段解决可以不需要多打井就能落实的储量、构造、气水边界等开发决策参数，而试井技术就是其中的一项关键技术。由于盐城气田是江苏油区目前为止发现的最大气藏，怎样合理高效地开发好气藏，必须在开发初期认清构造、砂体连通性和气井的产能，在目前仅有的几口探井和评价井的基础上，利用试井解释技术计算地层参数、落实构造和储层的连通发育情况，求取气井单井无阻流量，分析部分气井的进一步利用和措施改造的潜力，为气田的下一步试采提供初步的理论依据。

Practices and Cognition of Well Test Interpretation Technology in the Early Development of Yancheng Gas Field of Jiangsu

From discovering to formally developing of a gas field,the decision-making parameters,such as reserves,structure and gas-water boundary,etc.,should be first determined by necessary techniques and means with a few wells.One of the key techniques is well test.Since Yancheng gas field is the biggest one found in Jiangsu now,to properly and efficiently develop the gas reservoir,we have to understand the structure and connectivity and well productivity at early development.Based on the existing few exploration and appraisal wells,the well test interpretation technology is utilized to calculate the reservoir parameters,identify the structure and connectivity,estimate the open flow capacity of an individual well,and analyze the potential of some gas wells for further more utilization and rehabilitation.So that,the primary ground can be established for the production test of the gas reservoir in the future.