Project Experience

At PT. BUTO, we pride ourselves on delivering expert solutions in marine construction, underwater services, and sustainable energy development. Since our establishment, we have continuously evolved—transforming our offerings to meet the needs of an increasingly environmentally-conscious industry. Below are some highlights of the projects that showcase our expertise, innovation, and commitment to sustainability:

Key Projects Executed

Conceptual Study of CCUS (Carbon Capture, Utilization, and Storage) Project for Badak LNG

Client: Badak LNG
Scope of Work:

  • Comprehensive conceptual study focused on implementing a CCUS framework for the facility.
  • Assessment of capture technologies, transport mechanisms, and potential storage sites.
  • Technical consultation on converting captured carbon into Methanol & DME for energy reuse.

Impact:
This project laid the groundwork for long-term carbon mitigation strategies at Badak LNG, supporting Indonesia’s commitment to net-zero emissions.

1. Conceptual Study of CCUS (Carbon Capture, Utilization, and Storage) Project for Badak LNG

Navigational Buoy and Seabed Condition Inspection

Client: PT. PGN Solution
Duration: 2015 – Present
Scope of Work:

  • Underwater inspection and maintenance of navigational buoys.
  • Seabed mapping to evaluate structural stability and environmental changes.
  • Use of sonar scanning and diver video documentation.

Impact:
Supports safe maritime operations and helps mitigate risks in dynamic seabed environments.

Navigational buoy and seabed condition inspection

Subsea Valve Inspection and Maintenance Project

Client: PT. PGN (Perusahaan Gas Negara)
Duration: 2014 – Present
Scope of Work:

  • Regular inspection and maintenance of critical subsea valve systems.
  • Power cable crossing survey and diagnostics.
  • Deployment of underwater robotics and manual divers for asset integrity monitoring.

Impact:
Ensures the uninterrupted operation and safety of undersea infrastructure critical to national energy distribution.

Pt bumar (3)

Installation of Cathodic Protection Systems

Scope of Work:

  • Design and installation of cathodic protection for offshore and onshore pipelines.
  • Material supply and long-term corrosion monitoring.
  • Integration of CIPS and DCVG survey methods.

Impact:
Extends the life of critical assets while reducing maintenance costs and preventing environmental hazards.