This article presented the research on matching technology of casing head and gas-producing wellhead for guaranteeing the safety of drilling and production test operation.
由于套管头和采气井口油管头牵涉到钻井和试油作业中的井口组合，为保证钻井和试油作业时配套使用的安全，要进行配套技术研究。
The methods of test on producing of size loading in size technology are introduced completely, and the examples for the testing system of testing method are given.
对浆纱生产过程中上浆率的各种在线检测方法作了较为全面的介绍，列举了各种检测方法的检测系统。
The methods of test on producing of size loading in size technology are introduced completely, and the examples for the testing system of testing method are given.
对浆纱生产过程中上浆率的各种在线检测方法作了较为全面的介绍，列举了各种检测方法的检测系统。
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