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Scanmudring

Abrasive pile cutting

The Internal Cutting Tool is designed to perform internal cuts in various dimensions. It will be standard tooling and the same operational methodology which has been developed over the last 20 years will be applied for the severance of the piles.

There is a dual nozzle configuration that is hydraulic spring-loaded providing a constant stand-off distance to the leg provided by a cam that will follow the surface. Two cameras are situated close to the nozzle for monitoring. Two proximity switches system are installed close to the nozzle for precise orientation feedback.

The tool has centralizing pins to hold it steady during the cutting operation. The tool will hang off from a spreader beam that will include the capability to fine adjust the height of the tool inside the pile.
TRL
01234567
Decommissioning incl. P&A

Decommissioning incl. P&A

Scanmudring

Scanmachine

The Scanmachine subsea excavator transfers proven land-based technology to the seafloor.

Each of our machines are advanced construction excavators that have, through the addition of specialised control systems, been converted into cutting-edge ROVs. The machines, which vary in size but share the same effective functionality, are tailored to perform based on individual client scope, offering flexibility, power and precision operations.

Scanmachines set new standards in subsea excavation, providing :

The ability to work in strong currents due to unbeatable seabed stability.
The ability to work in harsh weather
+++

Highly controlled operations through use of (3D-monitoring system), which also allows for increased operation in low visibility conditions.
TRL
01234567
Decommissioning incl. P&A

Decommissioning incl. P&A

Scanmudring

Subsea cutting equipment

Scanmudring has the technical leading abrasive cutting equipment on the market. The system is a dual-bottle design capable of continously cutting during operation, high-precision cutting manipulators and a cut verification system. Internal cutters available up to 100in or larger on request.
TRL
01234567
Decommissioning incl. P&A

Decommissioning incl. P&A

Hydrawell Intervention

PWC® Service for Plugging of Wells

HydraWell are the inventors of PWC® (perf, wash and cement) and owns several patents regarding this technology. The PWC® method replaces section milling for annulus remediation in several well abandonment applications including, but not limited to;
P&A, Slot Recovery, Casing Shoe Repair, Annulus Pressure Remediation

The method is run as a 1-trip system where a perf device (high shot density TCP guns) is run below the PWC® assembly to the planned plug depth. Guns are fired to create access to annulus for the washing operation to commence. Fresh wash fluid is jetted into the annulus before the subsequent cement job is done, leaving a uniform 360-deg cement plug in the area.

This operation reduces the time to remediate a wellbore from 5-15 days with section milling down to 2 days with PWC®.
TRL
01234567
Decommissioning incl. P&A

Decommissioning incl. P&A

Hydrawell Intervention

Annular Integrity Testing

Some times the operator want to test the integrity of the annulus as part of a P&A or slot recovery programme.

HydraWell have the solution called Annular Integrity Testing (AIT); A dual swab cup assy w/ TCP guns is RIH. At the depth where the formation is believed to be squeezing against the casing, the guns are fired–typically 100ft apart–and the AIT tool is positioned to straddle lower sets of perfs. Fluid is then pumped into the annulus, and if the formation is holding, no return is seen on surface. The tool can then be disconnected and a balanced cement plug set on top to finalise the barrier.

Conventional methods consist of several runs to set bridge plugs and retriveable packers to perform testing. HydraWell´s AIT solution is a 1-trip system and can be done in less than one day.
TRL
01234567
Decommissioning incl. P&A

Decommissioning incl. P&A

SUBC SOLUTIONS AS

Engineering and Services

SubC Solutions is a multidiscipline engineering company and conducts a wide variety engineering services such as studies, detail engineering, product design and qualification to name a few. For over 10 years, SubC Solutions has provided clients worldwide with a range of engineering services. SubC Solutions endeavors to meet or exceed our client requirements and we often achieve this by combining innovation with field proven concepts and technology to solve our customers challenges.

Our expertise includes:
- Control and monitoring systems
- All electric systems and subsea electrical valve actuators
- Acoustic system
- Sensor systems and sensor development and qualification
- Electronic PCB development and qualification
- Electrical, hydraulic, and mechanical engineering and analyses
TRL
01234567
Decommissioning incl. P&A

Decommissioning incl. P&A

SUBC SOLUTIONS AS

Engineering and Services

SubC Solutions is a multidiscipline engineering company and conducts a wide variety engineering services such as studies, detail engineering, product design and qualification to name a few. For over 10 years, SubC Solutions has provided clients worldwide with a range of engineering services. SubC Solutions endeavors to meet or exceed our client requirements and we often achieve this by combining innovation with field proven concepts and technology to solve our customers challenges.

Our expertise includes:
- Control and monitoring systems
- All electric systems and subsea electrical valve actuators
- Acoustic system
- Sensor systems and sensor development and qualification
- Electronic PCB development and qualification
- Electrical, hydraulic, and mechanical engineering and analyses
TRL
01234567
Decommissioning incl. P&A

Decommissioning incl. P&A