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Industry Information
Industry Information
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Technological principle Using the rotary device of the JAR full casing full rotary drill, the friction resistance between the steel casing and the soil layer is greatly reduced, and the rotary side is pressed in, while the impact grab bucket and the...
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Air lift reverse circulation drill is a kind of special drilling equipment,engineering machinery,good drilling process, used in the construction of cross-sea bridge, which is mainly used in the foundation construction of bridge pier and pile...
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The drill pipe of the gas lift circulating drill has the following functions: Transfer torque: The drill pipe transmits torque to the drill bit by connecting the drill bit and the rotating device of the rig, so that it can rotate and drill....
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The role of the bit guide in a gas lift circulating drill is to help the bit keep the correct direction in the hole. It usually consists of one or more guides installed under the drill pipe. As the drill pipe rotates, the guide guides the bit...
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