๐ข️ History & Development
๐️ Early Construction and Start
The Dumai refinery (known locally as Kilang Minyak Putri Tujuh) was built starting in April 1969 through a cooperation between Pertamina and Japanese partners (Ishikawajima-Harima Heavy Industries among others).
It was officially commissioned on 9 September 1971 by President Soeharto.
The first crude distillation unit (CDU) initially processed about 100,000 barrels per day (bpd) of light crude oil (such as Sumatera Light Crude).
๐ Expansion & Modernization
To meet growing fuel demand, the complex was expanded with a new processing plant (Hydrocracker Complex) in the 1980s, broadening conversion capabilities.
Over time, the complex has continued upgrades as part of wider Pertamina Refinery Development Master Plan (RDMP) to improve yield quality and flexibility.
๐️ Strategic Role
It’s one of Indonesia’s largest refineries, crucial for national fuel supply, especially in Sumatra and Kalimantan.
The Dumai site also includes the adjacent Sungai Pakning refinery complex (smaller capacity) under the same unit.
๐ Capacity
Today, Refinery Unit II Dumai has an installed capacity of about 170,000 barrels per day (bpd) of crude oil processing — making it roughly 16 % of Pertamina’s total refining capacity and one of the largest in Indonesia.
Older references mention initial capacity around 100,000 bpd at start, later scaled up.
๐ ️ Main Feedstock / Input Materials
The refinery primarily processes crude oil. Historically and into the present:
Light to medium crude oils, especially from Sumatra and nearby Indonesian fields (e.g., Sumatera Light Crude).
The complex’s upgrade plans aim to handle a wider range of crude qualities to enhance flexibility (as part of general Pertamina refinery modernization).
Beyond crude:
Internal processing feedstocks include intermediate streams from distillation (e.g., naphtha, gasoil) for secondary conversion units. Detailed unit types include hydrocrackers, vacuum distillation, delayed coking, etc.
๐ข️ Main Products
The Dumai refinery produces a mix of fuel and non-fuel products that serve both domestic and export markets:
๐ฅ Fuel Products (BBM & BBK)
These fuels are delivered to domestic markets or exported:
Aviation Turbine Fuel (Avtur) — for aircraft
Gasoline products — including various grades (e.g., Pertalite, etc.)
Diesel / Solar — for engines and generators
Industrial diesel oil
Fuel oil / Heavy fuel for ships
Kerosene / Minyak tanah
๐งช Non-Fuel Products
These serve petrochemical and other industrial uses:
LPG (Liquefied Petroleum Gas) — for domestic and industrial use
Solvents and feedstock intermediates
Green coke — used in carbon and aluminum industries, or further processed for fuels/chemicals
๐ Summary
Pertamina RU II Dumai is a key asset in Indonesia’s energy infrastructure.
✔️ Built: 1969–1971 (commissioned 1971)
✔️ Capacity: ~170,000 bpd of crude oil processing
✔️ Main Feedstock: Crude oil (especially from local Indonesian fields)
✔️ Key Products: Avtur, gasoline, diesel/solar, kerosene, fuel oils, LPG, solvents, green coke
#pertamina #anekdotindonesia
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