Custom J-tube Diaphargm Cutting Tool for an umbilical replacement in the North Sea

A global EPC contractor needed to clear reinforced rubber diaphragms from a series of J‑tubes before installing new risers and an umbilical. The standard J‑tube diaphragm cutter wasn’t sized for the diameter and length required by the client. Envirent stepped in and engineered three bespoke ROV‑friendly diaphragm cutting tools – long versions for Ø 462 mm and Ø 318 mm and a modified short version.

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