Vanwell Oil Equipment(tianjin)Co.,Ltd.

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Vanwell Oil Equipment(tianjin)Co.,Ltd.
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Brief introduction of oil derrick commonly used in oil drilling

Brief introduction of oil derrick commonly used in oil drilling

The derrick is used to place lifting equipment and tools such as overhead cranes, traveling blocks, hooks, etc., to bear the load generated by the drilling, casing and other operations, and provide the height and space for the operation of drilling and storing the pipe string. It is a tower mast steel structure.
 
The derrick is composed of main body, overhead crane platform, overhead crane frame, two-story platform, riser platform and working ladder.
 
Derrick classification
 
According to the structural characteristics of the derrick, it can be divided into the following 4 categories:
 
1. Tower derrick
 
The tower derrick is one of the widely used derricks in the early days of domestic land drilling. It is a spatial structure of a quadrangular truncated cone with a generally square cross section. This kind of derrick is generally a single rod assembly structure, which is time-consuming to install and disassembl