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...
Read MoreWellhead Cleaning Tool
Typical Operations
- Wellhead Cleaning
Features
- ROV Operated
- Rotary Cleaning Disc
- Scotch Pads
- Acid Injection
- Receptacle for Hydraulic Connection
The Cleaning tool is designed to be used on an 18-3/4” Wellhead with or without tubing hanger installed. Hydraulic supply and control of the Cleaning Tool is by means of and through the ROV system.
Compensated Acid Cleaning Unit can be added on request. This can be quite useful to remove more heavy debris or even adding a corrosion inhibitor while performing cleaning operations. The acid cleaning unit is suitable for supply of multiple citric acids if this is required for the operational purpose.
Track record
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...
Read MoreIntegrated 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...
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