бурильная труба

Dirll pipe are manufactured in accordance with API 5D,APE SPEC 7-1 standards. Drill pipe body material by GrandE75 Grand ×95,G105,S135. Drill pipes are steel tubes with threaded ends that are used to connect a drill rig’s surface equipment with its drilling equipment.Or bottom hole assembly,at the bottom of a well.they are used to transport drilling fluid to drill bits.and to raise,lower and rotate the bottomholes assembly along with the drill bit.Drill pipes must be manufactured to withstand severe internal and external pressure.distortion,bending and vibriation.They are reusable and are not considered consumables in the process of exploring for and extracting oil and gas. 1) OD: 2 7/8", 3 1/2", 4", 4 1/2", 5" 5-1/2" 2) Steel Grade: E75, X95, G105, S135 3) All drill pipe are made according to API 1) OD: 2 7/8", 3 1/2", 4", 4 1/2", 5" 5-1/2" 2) Steel Grade: E75, X95, G105, S1353) Type of end finish: EU-external upset, IEU-internal & external upset4) All drill pipe are made according to API 5D5) We can provide in many conditions, with or without hard banding (Arnco100, Arnco300, tungsten carbide etc).Please specify the following on enquiry:Outside DiameterInside DiameterSteel GradeLengthInternal Coating Material