DCH 4

DCH 4 is a Downhole Cutting Head (DCH) used for internal cutting of casings and single piles during dismantling of offshore structures. Due to the stepless clamping and the stepless extendable cutting head an extraordinary wide range of casings can be cut with one single tool.

  • Outer diameter of the inner casing/pile: 70″ to 90″ und 90″ to 118“

  • Maximum pressure of the water abrasive suspension: 2.500 bar

  • Stepless clamping

  • Hydraulic driven

  • Stepless extendable cutting head

  • Endless rotation of cutting head

  • Machinery Directive 2006/42/EC

  • ATEX Directive 2014/34/EU (optional, II 3 G IIB T3)

Compatible products

Variants / similar products

Do you have any questions?

Our sales team will be happy to help. You can reach us by telephone from Monday to Friday between 8 am and 3 pm.

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Liam Toovey & Marco from the decom Team

Meet us at OTC Houston, Texas May, 5-8th

Join ANT AG at OTC 2025 (May 5-8, Houston) to discover cutting-edge Water Abrasive Suspension (WAS) cutting solutions for offshore decommissioning, Plug & Abandonment (P&A), and subsea operations. Our ATEX-certified technology enables precise, cold-cutting of multi-string conductors, piles, and complex offshore structures—without heat, sparks, or mechanical stress. Meet Liam Toovey (Business Development) and Marco Linde (CTO) to explore how our advanced solutions reduce downtime, enhance safety, and optimize your sustainable offshore projects.