Non-Magnetic Drill Collar Slick/Spiral/Flex Type - China Drill Collar, Non-Magnetic Drill Collar

Manufacturing Process: Forging Surface Treatment: Galvanized Operation Pressure: Atmospheric Pressure Material: Alloy Item: Drill Collar Transport Package: Wooden Case
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Non-Magnetic Directional Drill Collar Spiral or Flex Drilling Tool of Oil Well Operation - China Non-Magnetic Drill Collar, Non-Magnetic Drilling Pipe

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Non-Magnetic Drill Collar Slick/Spiral/Flex Type - China Drill Collar, Non-Magnetic Drill Collar