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>Drill Stabilizers:Integral spiral blade stabilizers are manufactured from single bars of AISI 4145H modified steel.Professional forging process guarantee that mechanical properties meet API Spec 7-1.Hardness range of 285-341HB and a charpy V notch impact value of 54 joules are guaranteed one inch below the surface.Also sleeve stabilizer,straight rib stabilizer,welded blade and non magnetic stabilizers. |
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>Drill Collars: Spiral,Slick and Non Magnetic Drill collars are manufactured from 4145H modified steel.Non Mangetic Drill collars are bored and drifted according to API Spec7-1 and be fully heated to meet or exceed the mechanical property requirements of API Spec-7.Hardness range of 285-341HB and a charpy V notch impact value of 54joules are guaranteed one inch below the surface,also spiral and slick drill collars |
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> Drill Pipe:The drill pipe we manufacture are all made of AISI 4145H alloy steel.And we manage the production and inspection process of drill pipe strictly conformed to API SPEC 7.And the drill pipe has been proved by oilfields all over the world.The drill pipe we manufacture can last more than 600 hours with no thread gluing and no fracture.We also manufacture heavy weight drill pipe. |
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contact us for more details in drill pipe,drill collars,heavy weight drill pipe,spiral and slick drill collars