Envirent

ROV Tools

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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Reservoir basket with integrated hose reel for barrier-testing a multiphase flow meter

A North Sea operator who had previously completed a similar operation with Envirent in 2022, came back for a reliable pumping solution to flush and barrier‑test a multiphase flow meter. Envirent converted a standard Center Pole Basket into a custom reservoir basket with an integrated hose reel.

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Integrated grease pump basket for subsea maintenance (IMR)

A subsea contractor needed to inject grease into rotating components during an IMR operation in the North Sea and returned to Envirent after a positive experience on a previous project. Envirent delivered a Center Pole Basket with an integrated grease reservoir and hydraulically driven gear pump.

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