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Pertamina Drilling Secures Jack Up Rig Contract for Mako Gas

The cooperation focuses on developing the Mako field’s shallow gas reservoirs, expected to deliver about 120 million standard cubic feet of gas daily once operational.

  pertamina.com
Pertamina Drilling Secures Jack Up Rig Contract for Mako Gas

PT Pertamina Drilling Services Indonesia (Pertamina Drilling), operating through the PDSI–ADES Consortium, has secured a contract to provide jack-up drilling rig services for the Mako Gas Field. Managed by West Natuna Exploration Limited (WNEL), this project focuses on infrastructure development in the Natuna Sea to stabilize and increase regional energy output.

Context of the Cooperation
The Mako Gas Field is located offshore in the Riau Islands Province, characterized by a water depth of approximately 80 meters. The cooperation between the PDSI–ADES Consortium and WNEL addresses the technical complexities of extracting shallow-water gas reserves in a strategically significant maritime zone.

As the primary drilling contractor, Pertamina Drilling provides the heavy machinery and technical personnel required for well construction. WNEL, acting as the Production Sharing Contractor (KKKS), oversees the field’s geological evaluation and long-term production strategy. This partnership integrates local drilling expertise with international exploration standards to mitigate the challenges of natural production decline in mature basins.

Technical Solution and Implementation
The technical core of this agreement involves the deployment of a high-specification jack-up rig designed for stable operations in the specific bathymetry of the Natuna Sea. The rig functions as a mobile offshore drilling unit (MODU) that stands on the seafloor to provide a stable platform for high-pressure drilling activities.

Responsibilities are divided as follows:
  • PDSI–ADES Consortium: Responsible for rig mobilization, maintenance of safety protocols (HSE), and the execution of drilling phases.
  • West Natuna Exploration Limited: Manages the integration of the wells into the broader digital infrastructure of the Duyung Working Group and ensures alignment with national gas delivery schedules.
Use Cases and Operational Impact
The primary application of this cooperation is the development of the Mako field's shallow gas reservoirs. Once operational, the field is expected to produce approximately 120 million standard cubic feet of gas per day (MMSCFD).

The implementation of reliable jack-up technology is essential for maintaining process stability and ensuring that the extraction process meets specific environmental and safety benchmarks. By securing specialized drilling assets, the partners aim to streamline the transition from exploration to active production, providing a consistent feedstock for domestic energy markets and industrial automation processes that rely on stable gas supplies.

Expected Results
The project is positioned as a critical component of Indonesia’s national energy strategy. Quantifiable objectives include reaching the projected 120 MMSCFD production peak to support domestic consumption. Beyond volume, the cooperation utilizes standardized drilling interfaces to ensure the project remains on schedule, thereby optimizing the return on investment for subsea infrastructure and reinforcing the reliability of the national gas grid.

Edited by Evgeny Churilov, Induportals Media - Adapted by AI.

www.pertamina.com

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