API 5CT Casing Pipe

The API casing is generally used for the borehole wall support in the drilling as well as after the completion of a well, so as to make sure the smooth running of the drilling process and also the normal procedure of the whole oil well after well completion. As a result of the advancement in...

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The API casing is generally used for the borehole wall support in the drilling as well as after the completion of a well, so as to make sure the smooth running of the drilling process and also the normal procedure of the whole oil well after well completion. As a result of the advancement in recent years, making use of the product is much more substantial. It is generally utilized in oil, gas, coal bed methane, water system, thermal electrical power generation, thermal electrical power generation, dredging design, as well as other sectors.


This product generally makes use of smooth steel pipeline as the raw product. Some large diameter and special wall thickness items make use of straight seam pipeline as the pipeline body. The body should be processed with screw strings at both ends. One end is linked to the combining, while the other end is equipped with the string protector. Thread as well as coupling link are used between the casings. In addition, the pipe body of various steel qualities ought to correspond to different couplings.


Stock seamless casing available:

1. Steel grade
   J55, K55, L80, N80, P110
2. External size
   4 1/2″, 5″, 5 1/2″, 6 5/8″, 7″, 7 5/8″, 9 5/8″, 10 3/4″, 13 3/8″, 16″, 18 5/8″, 20″
3. Wall density
   2.1 – 16.13 mm
4. Thread kind
   SC( Short round string), LC( Long round thread), BC( Buttress string) and special thread
5. Length.
   R1( 4.88-7.62 m), R2( 7.62-10.36 m), R3( 10.36-14.63 m).

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