Shaping the future together
Internal cutting
of multi-string casings and piles
Fields of application
- Multi-string casings
- Casings and single piles
- Water depth up to 250 m
Special Features
- Most powerful & precise jet at 36.000 psi
- Optional dewatering module
- Air surrounded jet
- High cut quality: with or without cement
- Verified and proven water depth = 150 m, with dewatering module 250 m
- 3S cut verification system real time cut verification
What makes WAS cutting tools of ANT so specific?
Besides the general advantages of the Water Abrasive Suspension (WAS) cutting technology, ANT has developed specific solutions to further improve performance of the Downhole Cutting Heads (DCHs) in great depth and challenging conditions of internal cuts. Even concentric multistring dual bore wells can be completely cut in a single pass.
Cutting examples
Offshore job in the gulf of Mexico
ID 7 5/8″ OD 36″ / Water depth 60′ / 20m
average casing setup, cemented
average cutting speed 30° / h, cutting time 12h
Offshore job in the
Chinese Sea / Bohai Bay
ID 13 3/8″ OD 30″ / Water depth 60′ / 20m
average casing setup, cemented
average cutting speed 80° / h, cutting time 4,5h
Mock-up test
ID 13 3/8″ OD 30″ / Water depth 15′ / 4m
average casing setup, cemented
average cutting speed 100° / h, cutting time 3,5h
“ANTs products and service is excellent. Using their tools for our Offshore projects is lucrative and practicable.”
Wang Chao – CNOOC
Turnkey offshore WAS cutting spread
High Pressure Pump*
- Various types of Downhole Cutting Head (DCHs) and Pile Cutting Head (mounted on skid), some with optional packer module CAir.
- A-frame with goose neck*
- Winch* and Umbilical
- Air compressor*
- Abrasive Mixing Units (AMUs) with Lifting Unit and external Switch Box
- Control System and Hydraulic Power Unit
- High Pressure Pump*
- Working Container*
- Abrasive Container*
- External tugger wire e.g. lifting device**
Overview of ANT’s Water Abrasive Suspension (WAS) cutting spread
**provided by customer
**provided by customer
Key Features
- Turnkey WAS cutting spread
- Small footprint
- Modular tools
- Smart monitoring system
- High quality materials
- Reliable and proven technology
Your Advantages
- Control and feedback
- High flexibility
- Time savings
- Cost reduction
- Maximum safety
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Core components of
the WAS Cutting Spread
Abrasive Mixing Units (AMUs)
Our standard WAS offshore spread comes with an ATEX Zone 2 certified complete AMU TWIN 2500-100 system which ensures safe operation and transport as well as interruption-free cutting.
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Cutting Devices: Downhole Cutting Heads (DCHs) and Pile Cutting Head (PCH)
3S Cut Verification System
Offshore subsea cutting implies being “blind”, especially during internal cuts of multistring casings. Our 3S cut verification system makes the whole cutting process visible in real time. A variety of sensors are used to display the cut in real time on a monitor, giving the operator reliable feedback and full control during the entire cutting process.
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Umbilical
Any questions?
Our Sales Team is always happy to help. You can reach us by phone from Monday to Friday between 8 am and 4 pm.
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