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SUBS AND TOOL JOINTS
KELLY SAVER SUB

KELLY SAVER SUB

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CROSSOVER SUB

CROSSOVER SUB

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SIDE ENTRY SUB

SIDE ENTRY SUB

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TOOL JOINT

TOOL JOINT

       Tool Joints acts for conversion and connection of drill stem component in petroleum, natural gas and geology drilling work. It is used mainly for connecting of upper drill tools and lower drill tools.

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CIRCULATING SUB

CIRCULATING SUB

Circulating head is a crossover sub installed on the top of drill pipe, It is connected with circulating system through union for circulating drilling fluid. The sub has always 2″LP pin connection up, connecting circulating system; and drill pipe pin down , connecting drill pipe. Union is to be ready by user.

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WEAR SUB

WEAR SUB

       The blast joint acts for conversion and connection of drill stem component in petroleum, natural gas and geology drilling work. It is the main tool for connecting the upper drilling tool with the lower drilling tool. The middle of the blast joint has vulcanized rubber to protect the inside wall of the casing and prevent the drill pipe from eccentric wear.

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SAVER SUB WIHT RUBBER

SAVER SUB WIHT RUBBER

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FLOAT VALVE SUB

FLOAT VALVE SUB

      Float valve is a necessary tool of oil drilling. The float valve sub is a bit sub, and mainly includes near bit float valve sub and string float valve sub. The function is to prevent the mud from bring the drilling cuttings, the silt reverse flow; the bit wellbore is jammed; when blowout, float valve assembly close the wellbore automatically to prevent from spouting in the pipe.

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TOOL JOINT

TOOL JOINT

      Tool Joints acts for conversion and connection of drill stem component in petroleum, natural gas and geology drilling work. It is used mainly for connecting of upper drill tools and lower drill tools.

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