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October 22, 2021

Numaligarh Refinery, India

By Carmen

Numaligarh Refinery operates the Numaligarh refinery, which is located in Assam, India. It is a non integrated refinery owned by Oil India, Engineers India, and others. The refinery, which started operations in 1999, has an NCI of 7.8.



Key processes of the refinery

Crude Distillation Unit (mbd): 60
Vacuum Distillation (mbd): 27
Coking (mbd): 6
Hydrocracker (mbd): 29
Reformer (mbd): 5
Hydrotreater (mbd): 21
Isomerization (mbd): 2



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The capacity of the refinery is expected to increase to 180.7mbd by 2030.

During the period 2021-2025, the Numaligarh refinery is expected to witness an estimated capex of $2,546.18m.

Maintenance activities at Numaligarh refinery

The Numaligarh refinery witnessed ten incidents during the period 2015-2020.



Upcoming expansion projects at Numaligarh refinery

CDU, Sulfur Recovery Unit, Resid Hydrocracker, Hydrogen Unit, Diesel Hydrotreater, Naphtha Hydrotreater, CCR, Delayed Coking Unit , Other Isomerization, Gasoline Hydrotreater, FCC

Contractors involved in the refinery

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

Main EPC: Engineers India.

EPC: ThyssenKrupp.

About Numaligarh Refinery


Numaligarh Refinery Ltd (NRL) refines and markets crude oil and petroleum products. It is a subsidiary of Bharat Petroleum Corporation Limited (BPCL). Apart from BPCL, Government of Assam and Oil India Limited (OIL) also have stakes in NRL. The company offers light distillates, middle distillates, heavy ends, and fuels and lubricants. Its product line includes naphtha, motor spirit, LPG, high speed diesel, aviation turbine fuel, raw and petroleum coke, paraffin wax and sulphur. The company operates a marketing terminal equipped with Terminal Automation System (TAS) that dispatches products through road and rail across the country. NRL is headquartered in Guwahati, Assam, 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.

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