Circulating Head OCTG
A solution to connect your casing string with the mud system
Circulating Head is used for circulating the string hydro test up to 6000 psi. Maximum weight is 250kg and it cannot be used to lift the full string. Circulating Head is also known as circulating swedges, waterbushing OCTG x WECO®( Hammer union), cross over OCTG x WECO® and pump-in sub (WECO® and hammer union are interchangeable).
Benefits
Benefits
Ensure Well Integrity through integrated VAM® accessories offer
Cost competitiveness with taylor made solutions
Easy supply chain and Global network
Connection
Connection & Material
Connection
- Hammer union end – Generally 1502 2”
- OCTG end
All API T&C connections
All VAM® OCTG T&C connections
All VAM® OCTG Integral connections
Other connections available upon request
Material Type
Round bar, mechanical steel
Performance
Characteristic & Performance
Size Range
- OCTG: 5” to 24”
- Hammer union: Generally 1502 2”
Available Lengths
1.5’ to 3’
Performance
- Internal pressure up to 6000 psi
- Lifting with the hammer union: 200kg max.
- Cannot lift the full string
Grades
Grades
Material Grades
Yield strength min 110ksi or 125 ksi
(No API or Vallourec proprietary grades).
Resources
Documents & Resources
Stories
Customer Story
Stories
Customer Story
"Vallourec has developed an innovative and ultra-competitive solution for complex cross-over with high reduction of diameters. Thanks to our patented forging process, Vallourec has been able to propose a unique solution to a major IOC allowing to use traditional Sour Service pipe material instead of a costly Inconel bar. Thus, Vallourec combines well integrity and cost reduction."
