Liguasan Marsh energy frontier overview poster

Asia’s Largest Inland Marsh

A Strategic Energy Frontier in the Cotabato Basin

Explore the basin

Asia’s Largest Inland Marsh

A Strategic Energy Frontier in the Cotabato Basin

Cotabato Basin · Mindanao · Philippines

Liguasan Marsh

Asia’s largest inland marsh

A strategic energy frontier shaped by responsible development, environmental stewardship, technology and partnership with local communities.

Discover the opportunity

The Liguasan Marsh Basin

A resource frontier in Southern Philippines

The basin combines a vast wetland landscape with a prospective petroleum system. Our approach is grounded in careful exploration, environmental monitoring and long-term shared value.

≈350,000 haInland marsh landscape
Cotabato BasinProven petroleum system
MindanaoStrategic southern location

Energy for progress. Care for the future.

Five principles guide every decision

Responsible Development

Safe, efficient and environmentally responsible operations.

Community Partnership

Working with local communities for shared growth and lasting value.

Environmental Stewardship

Protecting wetlands, biodiversity and water resources for future generations.

Innovation & Technology

Applying advanced technology to improve exploration, safety and efficiency.

Sustainable Value

Creating opportunities, energy security and durable economic benefits.

Responsible operations. Sustainable future.

From exploration to stewardship

01

Seismic Exploration

02

Exploration Drilling

03

Development

04

Environmental Monitoring

05

Community Engagement

Field archive

Community presence and historical well infrastructure

Selected documentary photographs recording site visits, community participation and legacy wellhead infrastructure associated with the wider Liguasan Marsh and Cotabato Basin area.

Field visits and community engagement

Community and field representatives gathered around a concrete well-site structure
Community and field representatives gathered at a documented site structure.
Field representatives indicating a concrete well-site structure
Field inspection and identification of a concrete well-site structure.

Historical wellhead documentation

Historical photograph of a legacy wellhead with a field representative, dated 29 December 2011
Legacy wellhead photograph dated 29 December 2011; the visible record identifies Lot 1393, Barangay Gadungan, S.S.B.
Historical field inspection around a legacy wellhead
Historical field inspection around legacy wellhead infrastructure.
Historical community meeting beside a legacy wellhead in May 2014
Documented community and organizational visit beside a legacy wellhead in May 2014.

Historical images have been digitally restored for clarity. Captions describe visible content and should not be interpreted as independent verification of ownership, reserves or commercial status.