Specification |
After-sales Service: Required;
Warranty: 1 Year;
Manufacturing Process: Forging;
Surface Treatment: Spray-Paint;
Operation Pressure: Atmospheric Pressure;
Material: Stainless Steel;
Application: Oilfield Drilling, Oilfield;
Customization: Available;
Tensile Strength: >610MPa;
Valve Seat: 20crmntih;
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After-sales Service: 1 Year;
Warranty: 1 Year;
Manufacturing Process: Forging;
Surface Treatment: Polishing;
Operation Pressure: Atmospheric Pressure;
Material: Cast Steel;
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After-sales Service: 24/7;
Warranty: 12months;
Manufacturing Process: Forging;
Surface Treatment: Spray-Paint;
Operation Pressure: Atmospheric Pressure;
Material: Alloy;
Structure: Customizable;
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After-sales Service: Provided;
Warranty: 12months;
Manufacturing Process: CNC Milling;
Surface Treatment: Sand Blast;
Operation Pressure: Atmospheric Pressure;
Material: 20crmnti, 20CrNiMo, etc.+Rubber;
for Mud Pump Brand: Bomco, Emsco, National, Oilwell, Ideco, etc.;
Service Life: ≥300h;
Size: 4", 4.5", 5". 5.5". 6". 6.25", 6.5", 6.75", 7;
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After-sales Service: 1 Year;
Warranty: 1 Year;
Manufacturing Process: Forging;
Surface Treatment: Spray-Paint;
Operation Pressure: Atmospheric Pressure;
Material: Cast Steel;
Type a: Slick Non-Mag Drill Collar;
Type B: Spiral Non-Mag Drill Collar;
Type C: Flex Non-Mag Drill Collar;
Standard: API;
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