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OCTG Casing/ Anson Com, China

  • Enquire from Seller
  • Published date: December 4, 2015
  • Modified date: February 23, 2016
    • China, International

Anson have much experience on supply casing pipes, which will be best rate and international certificated quality. Casing is large diameter pipe that is assembled and inserted into a recently drilled section of a borehole and typically held into place with cement.  With the casing set depths determined, hole sizes and casing sizes must follow. The hole drilled for each casing string must be large enough to easily fit the oil well casing inside it, allowing room for cement between the outside of the casing and the hole. Casing design for each size is done by calculating the worst conditions that may be faced during drilling and production. Mechanical properties of designed pipes such as collapse resistance, burst pressure, and axial tensile strength must be sufficient for the worst conditions. Application of OCTG casing: In the planning stages of a well a drilling engineer, usually with input from geologists and others, will pick strategic depths at which the hole will need to be cased in order for drilling to reach the desired total depth. This decision is often based on subsurface data such as formation pressures, strengths, and makeup, and is balanced against the cost objectives and desired drilling strategy. 

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