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Center for Deep Earth Exploration (CDEX)

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Health, Safety, and Environment

Health, Safety, and Environment (HSE) Policy

Exploring the harsh environment deep under the sea floor, and expanding the frontiers of science, CDEX operates in harsh sea conditions and drill into geological lithologies and structures which are far different from what industrial oil and gas drilling normally encounters. Scientific success can only be achieved with a firm foundation of safe and environment-friendly operations. Our HSE Policy is designed to make this foundation our common goal and to provide the best working environment.

CDEX HSE management system

CDEX established the Health, Safety, and Environment Management System (HSE-MS) to achieve safe and high-quality scientific drilling operations. HSE-MS is an international standard for offshore drilling, and is a set of proactively established rules and procedures of each organization’s goals. HSE-MS emphasizes proper process management more than focusing on outcomes.

CDEX HSE-MS conducts operations at the planning, implementation, and review stages of drilling projects in accordance with the HSE-MS requirements. Specifically, CDEX develops operation plans based upon risk identification and management at the project planning stage, and implements operations following this plan.

Leadership, Policy

At the core of the system lies a cycle of continual improvement (PDCA cycle). A review is carried out upon completion of each project as to evaluate whether identified risks and their control measures were appropriate and effective, and the lessons learnt through project are accumulated and utilized in the future. Then, our project management will be improved and enforced through the PDCA cycle.

Occupational Health and Safety - Our number one priority

The HSE-MS considers the safety of all personnel under the control of CDEX. This includes: CDEX employees, as well as offshore and onshore contractor personnel (including sub-contractors), on-board researchers, and temporary visitors. Risk assessments for an incident-free workplace are carried out in consideration of operation details, human, and other factors, and provides necessary risk control measures (e.g., development of procedures and rules, education and training, management and supervision of contractors) are taken.

Environmental Protection - for our irreplaceable oceans and the Earth

Chikyu is a scientific research vessel and our research activities should not negatively impact the environment. However, as a drill ship, geological research requires drilling deep below the seafloor to collect geological and geo-biological samples and to deploy equipment deployment; some impact on the environment is inevitable. Therefore, CDEX looks to minimize such effects through careful environmental impact assessment before operations begin.

Some environmental impacts include those associated with routine operations, such as fuel consumption and emissions to the atmosphere and oceans, and potential unforeseen accidents or incidents. Clear and open communication regarding environmental risks with the community is important.

  • Approach to environmental preservation
  • Approach to environmental preservation

Maintaining high operation standards

Process management for safe and environment-friendly operations may also lead to the high operation quality. Through high-quality operations such as completion of boreholes that meet the requirements of the research community and providing high-quality samples and data, we hope to contribute to the attainment of project scientific goals. To this end, identification and control of the expected operation troubles are conducted as is done for safety and environmental risk management. After completion of the project, their appropriateness and effectiveness are reviewed and the lessons and tips are accumulated.

  • Maintaining high operation standards
  • Maintaining high operation standards
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