PT Pertamina Drilling Services Indonesia (PDSI) is a subsidiary of Pertamina Hulu Energi, focused on the oil, gas, and geothermal drilling sector. The company provides a wide range of drilling services, including exploration drilling, exploitation drilling, workover services, and well services. PDSI positions itself as a one-stop service provider, delivering integrated drilling solutions to meet the needs of its clients.

With over a decade of experience, PDSI adheres to international standards for quality management and occupational health and safety. The company emphasizes incident prevention, operational risk minimization, and environmental protection in its operations. PDSI employs between 1,000 and 5,000 people and generates significant revenue, serving primarily upstream oil and gas exploration and production companies, as well as geothermal energy firms in Indonesia.

As part of the Pertamina group, PDSI plays a vital role in Indonesia's energy infrastructure and economic development, contributing to the national energy supply chain through its comprehensive drilling services.