Engineering proven on real offshore assets
Projects across jack-up rigs, subsea systems and floating solar, for clients including ONGC, IOC, ESSAR and ABAN Offshore etc.
- 27documented projects
- 16jack-up rig modifications and studies
- 1,500 mdeepest riser analysis
- 4regions: India, Middle East, North Sea, Qatar
Engineering Clients :
- ONGC
- IOC
- ESSAR
- ABAN Offshore
- L&T
- HMEL
- Union Dredgers
- SESA
Choose the kind of project you need
Each discipline has its own page with every project, the scope, the software and the location.

Jack-up rigs
Helidecks, legs and spudcans, cantilevers, drill floors, deck equipment, sea-fastening and tow.
- Clients
- ONGC, Middle East drillers
- Regions
- India, Middle East, North Sea

Subsea & mooring
Single point moorings, drillship risers, semi-submersible moorings and subsea pipeline installation.
- Clients
- IOC, ESSAR, ONGC, ABAN, L&T
- Codes
- API RP 16Q, API RP 2SK, ABS

Floating solar
Anchoring and mooring design for floating solar arrays up to 150 MW on Indian reservoirs.
- Largest
- 150 MW, Rihand Dam
- Software
- MOSES, OrcaFlex
One project from each discipline
ABAN Abraham drillship riser
A workable riser stack-up for 625 m off India's east coast, checked to 1,500 m and against stronger currents.
- Client
- ABAN Offshore
- Standard
- API RP 16Q
- Software
- OrcaFlex
Helideck upgrade for MI-17 operations
Structural analysis, reinforcement details and complete detailed drawings so a jack-up could take the 13 t MI-17.
- Location
- Middle East
- Asset
- Self-elevating drilling unit
Rihand Dam floating solar PV
Design of a 150 MW floating solar farm on the Rihand Dam reservoir in India.
- Capacity
- 150 MW
- Software
- MOSES
Browse by discipline, client or software
Showing 27 of 27 projects

Helideck upgrade for MI-17 operations
A self-elevating drilling unit had to be upgraded to handle the MI-17 helicopter (13 t version). Aryatech delivered the structural analysis, reinforcement details and a complete detailed drawing package.
- Location
- Middle East
- Duration
- 2 months

SMIT bracket relocation
Relocation of an existing SMIT bracket with a 150 MT safe working load to the port aft area.
- Safe working load
- 150 MT
- Software
- ANSYS

Starboard leg deformation: spudcan preload study
Investigated the likely cause of deformation on the starboard leg by evaluating different preload distribution scenarios across the spudcan footing.
- Region
- North Sea
- Software
- ANSYS

Derrick wind wall installation
Structural response of a new wind wall at the sixth level of the derrick, checked for elevated and ocean transit conditions.
- Location
- Middle East
- Duration
- 1 month

Skidding system check for a 15 ft cantilever extension
The cantilever beam was to be extended by 15 ft. Aryatech verified the skidding system's structural response for operating the extended cantilever.
- Location
- Middle East
- Duration
- 2 weeks

Hull transportation and sea-fastening design
Analysed the hull under tow inertia loads while moving the jack-up to the field, then designed the sea fasteners and supplied detailed fabrication drawings.
- Client
- ONGC
- Location
- India

60-person lifeboat platform at the bow
New lifeboat platform on an extension at main deck level, 18 ft 6 in above the top of the main deck, sized for 60 persons.
- Location
- India
- Software
- ANSYS

New emergency generator room
Structural modification of the RTP accommodation unit to replace a D343 generator with a CAT 3412, checked on the proposed scantlings.
- Location
- Middle East
- Duration
- 1 month

Sea Jet reel platform on Main Pass IV
Structural response of a new Sea Jet reel platform in the port leg well of the rig Main Pass IV, in elevated and transit conditions.
- Location
- Middle East
- Duration
- 1 month

High Island IV gear unit cutting-sequence analysis
Static analysis of the High Island IV gear unit through a sequential cutting operation: stability, load redistribution, stresses and deformation for safe dismantling.
- Location
- Middle East
- Duration
- 2 months

ST-80 floor socket at the drill floor
Structural response of the existing drill floor with the modifications needed to install an ST-80 floor socket.
- Software
- ANSYS
- Status
- Delivered

Bow leg brace damage study
Local strength and buckling of a bow leg with three damaged braces in operating conditions, and the reinforcement needed for safe operation.
- Region
- North Sea
- Software
- ANSYS

Cantilever and substructure securing for ocean tow
Structural response of the cantilever and substructure with a new securing arrangement for ocean tow.
- Location
- Middle East
- Duration
- 1 month

Airman compressor platform
Structural check of a new main-deck platform for installing an Airman compressor.
- Location
- Middle East
- Duration
- 2 weeks

30-inch BOP two-point lifting ring
Feasibility study of a lifting ring for a 30-inch BOP at its 32 MT safe working load, with boundary conditions and factors of safety.
- Client
- ONGC
- Location
- India

16-inch mouse hole installation
Response of the mouse hole, substructure and drill floor to an accidental slip of heavy-weight drill pipe from 1 m above the bottom plate.
- Location
- India
- Software
- ANSYS

IOC Paradip single point mooring
Modelled the Paradip CALM buoy system in OrcaFlex, matched to the SBM model, and assessed the extreme response of submarine hoses, floating hoses and mooring hawsers.
- Client
- IOC
- Software
- OrcaFlex

HMEL Mundra SPM subsea hose analysis
After recently installed subsea hoses failed, Aryatech ran an independent hose analysis and gave the owners a solution for installing new hoses.
- Client
- HMEL
- Software
- OrcaFlex

Mooring buoy systems at SESA, Goa
Design analysis of four mooring buoy configurations, including anchors, buoys, chain, connecting hardware and hawsers, to ABS rules for single point moorings.
- Client
- SESA
- Standard
- ABS SPM rules

ESSAR Vadinar SPM verification
Independent subsea hose analysis of the ESSAR single point mooring at Vadinar, which transfers fluids of different densities.
- Client
- ESSAR
- Software
- OrcaFlex

ONGC drillships Sagar Vijay and Sagar Bhushan
Checked whether ONGC's existing riser could work at 265 m water depth off India's east coast, and designed a feasible mooring configuration.
- Client
- ONGC
- Water depth
- 265 m

Riser and pipeline installation, Halul Island
Re-modelled 690 m of existing subsea pipeline for the client's new installation method, then ran installation, abandonment and recovery analysis for Halul Island conditions.
- Client
- Union Dredgers
- Location
- Qatar

ABAN Abraham drillship riser stack-up
Designed a workable riser stack-up for 625 m water depth off India's east coast, also analysed at 1,500 m, including the effect of stronger currents.
- Client
- ABAN Offshore
- Standard
- API RP 16Q

8-point semi-submersible mooring for L&T
Designed and optimised the mooring of a 60 x 60 semi-submersible desalination plant: anchors, limiting sea states, operating and survival analysis, and line-break cases.
- Client
- L&T
- Standard
- API RP 2SK

Anchoring and mooring of a 100–150 MW floating solar array
With partner Stewart Technology Associates (USA), Aryatech designed the anchoring and mooring of a floating solar array of 100–150 MW using OrcaFlex and MOSES.
- Location
- India
- Capacity
- 100–150 MW

Rihand Dam 150 MW floating solar PV
Design of a 150 MW floating solar farm on the Rihand Dam reservoir in India.
- Capacity
- 150 MW
- Software
- MOSES

Pegadapalli floating solar mooring, Telangana
Research and development on the mooring of a floating solar field in a sheltered feedwater reservoir near Ramagundam, with all components to the relevant IS/IEC standards.
- Region
- South India
- Software
- MOSES
Industry software and recognised standards
Every project on this page was analysed with the tools and codes offshore owners, class societies and EPCs already use.
Software used on these projects
- ANSYS
- OrcaFlex
- SACS
- STAAD.PRO
- MOSES
Standards applied
- API RP 16Q
- API RP 2SK
- ABS rules for single point moorings
- IS / IEC
Have a rig, mooring or floating asset to modify, verify or certify?
Send us the asset, the change and your timeline. An engineer will come back with questions and a scope.
Or email info@aryatech.net · New Delhi · Kochi · Ras Al Khaimah
