Connection List

The connection list gives you access to the VAM® and NSMAXᵀᴹ product lines. Because not all products can be listed, such as fit-for-purpose or so-called isolated products, please contact Nippon Steel engineer in case the VAM® or NSMAXᵀᴹ connection you are looking for is not listed.
VAM® 21 HT

VAM®21 HT is the latest generation of T&C premium connection with High Torque performance, compatible with VAM®21 innovative and revolutionary design. Confidence thanks to ISO 13679 CAL-IV compliance within the full pipe body envelope extends the opportunities for your well designs.

Benefits
  • Compatible with VAM 21 standard design
  • Seal protected from rough handling
  • Fit for automated rig handling systems
  • Reliable running ability
  • High torque resistance
  • Extreme compression resistance (100%)
  • Excellent gas tight sealing under combined loads
  • ISO 13679 CAL-IV performances within the full pipe envelope

VAM 21 is availbale with a High Torque option : VAM 21 HT

  • Compatible with VAM 21 standard product line
  • Same performances: 100% of the pipe body envelope, ISO CAL-IV
  • Only design difference is a lower connection ID through end-sizing
  • Keeps the main drifts compatibility
  • Higher MTS (Maximum Torque with Sealability) than VAM 21 standard for better torque capacity
  • Available from 5” to 9 5/8”

VAM 21 HT applications

  • Horizontal liners
  • Extended Reach Wells
  • Rotation while cementing
  • Drilling with Casing
  • Steerable drilling liners

VAM 21 HT Product line

VAM 21 HT
Brochure
VAM Book
Approved dopes