Enhancing Synergy to Build the Nation

Through solid collaboration and synergy, BKS Blok Cepu runs its business to encourage energy security while creating a good future for national energy management

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About Us

BKS is a forum for collaboration between four regionally-owned enterprises (BUMD) that hold a 10% participating interest (PI) in the Cepu Block Working Area, which is regulated by Oil and Gas Law No. 22 of 2001, Government Regulation No. 35 of 2004 in conjunction with Government Regulation No. 34 of 2005 concerning Upstream Oil and Gas Business Activities, as well as the implementing provisions of SKK Migas. The four BUMDs are PT Asri Dharma Sejahtera (ADS) as the BUMD of Bojonegoro Regency, PT Petrogas Jatim Utama Cendana (PJUC) as the BUMD of East Java Province, PT Blora Patragas Hulu (BPH) as the BUMD of Blora Regency, and PT Sarana Patra Hulu Cepu (SPHC) as the BUMD of Central Java Province. Through the BKS, these four BUMDs collectively manage the rights and obligations of the 10% PI, conduct joint supervision of operations with the Cooperation Contract Contractor (KKKS), and ensure that governance, lifting, and commercialisation of oil are carried out professionally so that the economic benefits of the Cepu Block can be optimised for the region.

PT Asri Dharma Sejahtera

Regionally-Owned Enterprises of Bojonegoro Regency

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PT Petrogas Jatim Utama Cendana

Regionally-Owned Enterprises of East Java Province

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PT. Blora Patragas Hulu

Blora Regency Regional-Owned Enterprises

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PT Sarana Patra Hulu Cepu

Regionally-Owned Enterprises of Central Java Province

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Community Development

Community Development

The Cepu Blocks BKS PI is committed to achieving sustainability through responsible, integrated management of its 10% Participating Interest, providing long-term benefits for the region.

Environmental Resilience

Community Development

Environmental Resilience

Economic and Cultural Independence

Community Development

Economic and Cultural Independence

WTI and Brent Crude Oil Price Update

BKS Media

BKS Media

Discover key activities, programs, and recent milestones from BKS that reflect our commitment to collaboration, development, and regional progress.

BKS Blok Cepu Distributes Crporate Social Responsibility Funds for the Development of Ancient Boat Tourism Sites
community development

BKS Blok Cepu Distributes Crporate Social Responsibility Funds for the Development of Ancient Boat Tourism Sites

26 Feb 2026
BKS Blok Cepu Supported Candra Benawa River Festival: A Bojonegoro-Blora Collaboration
community development
BKS Blok Cepu Supported Candra Benawa River Festival: A Bojonegoro-Blora Collaboration
26 Feb 2026
BKS Blok Cepu Distributes Corporate Social Responsibility by Planting 1,000 Trees to Reduce Carbon Emissions
community development
BKS Blok Cepu Distributes Corporate Social Responsibility by Planting 1,000 Trees to Reduce Carbon Emissions
26 Feb 2026

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Monday - Friday 08.00 - 18.00

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interface@bkspiblokcepu.com

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Contact Us
Monday - Friday 08.00 - 18.00
LeGreen Office Jl. Penjernihan II No.10 Bendungan Hilir, Jakarta
interface@bkspiblokcepu.com
About Us

BKS is a forum for collaboration between four regionally-owned enterprises (BUMD) that hold a 10% participating interest (PI) in the Cepu Block Working Area, which is regulated by Oil and Gas Law No. 22 of 2001, Government Regulation No. 35 of 2004 in conjunction with Government Regulation No. 34 of 2005 concerning Upstream Oil and Gas Business Activities, as well as the implementing provisions of SKK Migas. The four BUMDs are PT Asri Dharma Sejahtera (ADS) as the BUMD of Bojonegoro Regency, PT Petrogas Jatim Utama Cendana (PJUC) as the BUMD of East Java Province, PT Blora Patragas Hulu (BPH) as the BUMD of Blora Regency, and PT Sarana Patra Hulu Cepu (SPHC) as the BUMD of Central Java Province. Through the BKS, these four BUMDs collectively manage the rights and obligations of the 10% PI, conduct joint supervision of operations with the Cooperation Contract Contractor (KKKS), and ensure that governance, lifting, and commercialisation of oil are carried out professionally so that the economic benefits of the Cepu Block can be optimised for the region.