20-1-4 Drilling Spools for Well Control

  • Model NO.: api 6a
  • Usage: Well Drilling Machinery, Offshore Oil and Gas Field Exploitation Machinery, Oil and Gas Transportation Machinery, Oil and Gas Processing Machinery, Oil (Gas) Production Machinery
  • Specification: API 6A, API 6A
  • Origin: China
  • Type: Petroleum Drilling Machine
  • Certification: ISO
  • Trademark: JIELIN
We design and manufactures drilling spool in accordance with API product specification API 16A. Drilling spools are designed to allow smooth circulation of mud during the drilling environment. Drilling spools are used for BOP hookup. Drilling spools usually have the same nominal top and bottom end connections. Side outlet may differ from each other. Top, bottom and side end connections can be hub end or flanged.
Welding is done in accordance with the applicable API specification and ASME Section IX. Each spool is drift tested to ensure that access to the well bore is not restricted.
Basic material of construction is alloy steel. Application of CRA (AISI 316L or Nickel alloy 625) enhance the corrosion resistance ability of ring groove, thus enhance the product life. Lifting pad-eye is installed to handle spool weight.


Jianhu Jielin Petrochemical Machinery Co., Ltd. Is located in Jianhu Industrial Park, , Jiangsu Province, known as a land flowing with milk and honey. It is a modern large-sized enterprise specialized in researching and developing, manufacturing and selling various oilfield machines and spare parts. Our company has been authorized by China Classification Society for application of ship products and accessories as well as certificates of API-6A, 16A and 16C, etc. We mainly produces API 6A high and middle pressure valves, with the technical performance being that nominal working pressure is PN2.5-105MPa and nominal diameter is DN3-1000mm; In addition, our company also manufactures API 6A wellhead equipment for oil (gas) extraction, choke and kill manifold, mud manifold, drilling accessories and blowout preventer, etc.

Pipes are of excellent content of non metallic inclusions.

Relative standard: EN10305-1

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