Offshore Geotechnical Site Investigations in Korea

Geoquip Marine RKN is a Korean joint venture delivering offshore geotechnical site investigations for offshore wind projects in Korea.

Combining Geoquip Marine’s offshore execution capability with RKN’s local regulatory and operational expertise, the joint venture provides a compliant and efficient solution for offshore development.

Joint venture overview

Geoquip Marine RKN Limited is a Korean-incorporated joint venture between Geoquip Marine and RKN Co., Ltd.

The joint venture operates as a single contracting entity, providing a clear and accountable interface for clients across all project phases, from tendering through to execution and reporting.

This structure integrates offshore execution with in-country expertise to support efficient project delivery aligned with Korean regulatory requirements.

Integrated offshore geotechnical delivery in Korea:

  • Compliance with Korean regulatory and permitting requirements
  • A single, accountable contracting entity
  • Streamlined stakeholder and project coordination
  • Deployment of proven offshore assets and experienced crews
  • Reduced regulatory and operational risk

Roles and offshore capability

Geoquip Marine is responsible for offshore execution and geotechnical delivery, including mobilisation of vessels, offshore operations and data acquisition.

RKN provides local support, ensuring alignment with Korean regulatory and operational requirements, including permitting, port operations, logistics and stakeholder coordination.

Geoquip Marine RKN delivers offshore geotechnical investigations using Geoquip Marine’s Tier 1 DP2 geotechnical drilling vessels.

Key capabilities include:

  • DP2 dynamic positioning for high-precision operations
  • Operation across a wide range of water depths
  • Heave-compensated drilling systems for boreholes
  • Wireline sampling, CPT and coring capability
  • 20 t deep push CPT and seabed sampling equipment
  • Onboard laboratories for real-time data processing and reporting

Local expertise

Inhyeon Cho, Director of Geoquip Marine RKN and CEO of RKN Co., Ltd., leads operations in Korea.

He acts as the primary interface with clients, regulatory authorities and stakeholders, supporting effective delivery within the Korean regulatory environment.

By combining global offshore capability with a local presence, Geoquip Marine RKN delivers safe, compliant and reliable geotechnical data for offshore wind development in Korea.