api 5ct n80 seamless casing pipe is a kind of oil well drilling pipe.
Standard:API 5CT
Application:Tubing is used to extracting petroleum and natural gas from a well
Casing serves as walls of a well.
Coupling:Thread of BTC
Standard Coupling
Special Clearance Coupling
Special Bevel Coupling
Pup Joint or Connector:
All kinds of size, thread or their combination of tubing and casing are supplied
Dimension Tolerances:
Outside diameter, Wall Thickness and Weight Tolerances

Tag:J55 oil well casing pipe

Products	api steel oil casing pipe
Thickness	2.5-35mm
Diameter	21.3-600mm
Length	6-12m or as requirement
Grade	St35.8, St44 ,St52, 20Mn2 ,10, 20,35,45, 16Mn,Q345,20G,20MnG,
Standard	API 5CT ,API 5L,ASTM A53, ASTM 106.BS.
Surface	Black painting, spray painting, galvanized coating
Application	petroleum, construction ,shipbuilding,smelting, aviation, power, foodstuff,  papermaking, chemical, medical equipment, boiler heat, exchanger, gas metallurgy,

api casing pipe is the major structural component of a well. Casing pipe lines the borehole. It is subject to axial tension by its dead weigh,

internal pressure by fluid purging, and external pressure by surrounding rock formations. Casing is particularly exposed to

axial tension and internal pressure by the pumped oil or gas emulsion. Casing is needed to: Maintain borehole stability




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