Chennai Petroleum will operate the upcoming Nagapattinam II refinery, proposed to be built at Tamil Nadu in India. The integrated refinery will be owned by Indian Oil, National Iranian Oil, and others and is expected to start operations in 2025.

Key processes of the refinery

Crude Distillation Unit (mbd): 180
Coking (mbd): 50
Catalytic Cracker (mbd): 54
Reformer (mbd): 13
Hydrotreater (mbd): 226
Isomerization (mbd): 11

During the period 2021-2025, the Nagapattinam II refinery is expected to witness an estimated capex of $3,870m.

Contractors involved in the refinery

Some of the key contractors for the upcoming projects at the Nagapattinam II refinery include the following.

Main EPC: Engineers India, McDermott International, Tata Sons.

About Chennai Petroleum

Chennai Petroleum Corp Ltd (CPCL) formerly known as Madras Refineries Limited (MRL), is a state-owned oil refining company. It is a subsidiary of Indian Oil Corporation Limited. The company offers a range of petroleum and specialty products. CPCL’s product portfolio includes liquefied petroleum gas, superior kerosene, motor spirit, aviation turbine fuel, naphtha, high-speed diesel, bitumen, paraffin wax, lube base oils, furnace oil, propylene, butane and hexane among others. CPCL owns and operates two refineries: Manali Refinery in Himachal Pradesh and Cauvery Basin Refinery (CBR) in Nagapattinam, Tamil Nadu The company caters its products to various industries that include fertilizers, power, petrochemicals, roadways, railways and airways. The company is a joint venture between the Government of India (GOI), AMOCO and National Iranian Oil Company (NIOC). CPCL is headquartered at Chennai, Tamil Nadu, India.


Information on the refinery is sourced from GlobalData’s refinery database that provides detailed information on all active and upcoming, crude oil refineries and heavy oil upgraders globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.