Based on worksite practice, the paper introduces Cleaning and Overhaul Technology of the chock, bushing, sleeve which are the key parts in the oil film bearing.
Directional drilling crossing on Raoyang rive and Dongguo pound of Pan-Jin oil transporting pipeline successed the first time based on the above theory and the situation on the worksite.
In view of the worksite demand, a noosing cross beam for the lop protection was designed with MC nylon as raw material.
The hardening characteristic of plastic deformation is also discussed, which is useful to bend the steel tubes of awning on worksite.
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