Guwahati Refinery

GuwahatiRefinery Guwahati Refinery located among the picturesque surroundings near Brahmaputra River in Guwahati city in North Eastern part of India. It is the country’s 1st Public Sector Refinery as well as IndianOil’s, serving the nation since 1962. Built with Romanian technology available in the late 50s, the initial crude processing capacity of the Refinery was 0.75 Million Metric Tonnes Per Annum (MMTPA). The Refinery was initially designed to process low sulphur Assam crude in CDU along with secondary processing units, Delayed Coker Unit (DCU) of 0.33 MMTPA capacity and Kerosene Treating Unit (KTU) of 0.23 MMTPA capacity. Subsequently capacity of the refinery was enhanced to 1.0 MMTPA in 1986. DCU capacity was enhanced to 0.44 MMTPA in 2000. Further, the Refinery expanded its capacity from 1.0 MMTPA to 1.2 MMTPA in 2023 to further boost the development of energy sector in the region.

INDMAX Unit, a technology developed by IndianOil R&D Centre for upgrading heavy ends to LPG, gasoline and diesel was commissioned in June 2003.

The following units were added to meet the fuel specifications.

To produce Euro-III quality MS Isomerisation Unit, Naphtha Hydrotreater Unit TMTPA, Naphtha Splitter Unit, and Indmax Gasoline Unit were commissioned in 2010.
INDAdept-G Unit (IOC - R&D Technology based on Adsorption) was commissioned in 2017 for treatment of Heavy Gasoline from Indmax to comply to BS-IV MS norms
To produce BS-VI/Euro-VI quality MS/HSD a New indSelectG unit (IOC - R&D Technology) was commissioned in 2022 along with revamp of existing HDT unit, Hydrogen unit and Isomerization Unit.

Upcoming Projects: A New Semi regenerative CRU unit of capacity of 90 kilo tonnes per annum has been approved and is expected to be completed in 2025. The commissioning of new 90 KTPA Semi-Regenerative CRU will remove the dependency of the Refinery for importing reformate from other IOCL refineries for production of MS.

Major products:Liquefied Petroleum Gas (LPG), Motor Spirit (MS), Ethanol Blended Motor Spirit (EBMS) , High Speed Diesel (HSD), Aviation Turbine Fuel (ATF), Sulphur, Pipeline Compatible Kerosene (PCK), Reformer Naphtha (RN), Superior Kerosene (SKO), Low Sulphur Low Aromatics (LSLA) and Raw Petroleum Coke (RPC).

Mode of Product Dispatch

1).Pipeline: Guwahati Siliguri Pipeline (GSPL) for Motor Spirit (MS), Ethanol Blended Motor Spirit (EBMS), Superior Kerosene Oil (SKO) and High Speed Diesel (HSD)

2).Tanker trucks for LPG, Naphtha, EBMS and ATF.

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IndianOil may change or discontinue any aspect of its website at any time, including, its content or features. IndianOil reserves the right to change the terms and conditions applicable to use of the Site. Such changes shall be effective immediately upon notice, which shall be placed on the Site.
In no event will IndianOil be liable for damages of any kind, including without limitation, direct, incidental or consequential damages (including, but not limited to, damages for lost profits, business interruption and loss of programs or information) arising out of the use of or inability to use IndianOil's website, or any information provided on the website, or in the Products any claim attributable to errors, omissions or other inaccuracies in the Product or interpretations thereof. Some jurisdictions do not allow the limitation or exclusion of liability. Accordingly, some of the above limitations may not apply to the User.
User agrees to indemnify, defend and hold IndianOil harmless from and against all losses, expenses, damages and costs, including reasonable attorneys' fees, arising out of or relating to any misuse by the User of the content and services provided on the Site.
The information contained in the Site has been obtained from sources believed to be reliable. IndianOil disclaims all warranties as to the accuracy, completeness or adequacy of such information.
IndianOil makes no warranty that: (a) the Site will meet your requirements; (b) the Site will be available on an uninterrupted, timely, secure, or error-free basis; (c) the results that may be obtained from the use of the Site or any services offered through the Site will be accurate or reliable.
The User's right to privacy is of paramount importance to IndianOil. Any information provided by the User will not be shared with any third party. IndianOil reserves the right to use the information to provide the User a more personalized online experience.
The Site provides links to web sites and access to content, products and services from third parties, including users, advertisers, affiliates and sponsors of the Site. You agree that IndianOil is not responsible for the availability of, and content provided on, third party web sites. The User is requested to peruse the policies posted by other web sites regarding privacy and other topics before use. IndianOil is not responsible for third party content accessible through the Site, including opinions, advice, statements and advertisements, and User shall bear all risks associated with the use of such content. IndianOil is not responsible for any loss or damage of any sort User may incur from dealing with any third party.

The term User shall refer to the user who is browsing the site. The term IndianOil shall refer to Indian Oil Corporation Limited. The term Site refers to www.iocl.com owned and monitored by IndianOil.
By using the Site, you agree to follow and be bound by the following terms and conditions concerning your use of the Site. IndianOil may revise the Terms of Use at any time without notice to you. Areas of the Site may have different terms of use posted. If there is a conflict between the Terms of Use and terms of use posted for a specific area of the Site, the latter shall have precedence with respect to your use of that area of the Site.
IndianOil may terminate User's access at any time for any reason. The provisions regarding to disclaimer of warranty, accuracy of information, and indemnification shall survive such termination. IndianOil may monitor access to the Site.
All content present on this site is the exclusive property of IndianOil. The software, text, images, graphics, video and audio used on this site belong to IndianOil. No material from this site may be copied, modified, reproduced, republished, uploaded, transmitted, posted or distributed in any form without prior written permission from IndianOil. All rights not expressly granted herein are reserved. Unauthorized use of the materials appearing on this site may violate copyright, trademark and other applicable laws, and could result in criminal or civil penalties. IndianOil is a registered trademark of Indian Oil Corporation Ltd. This trademark may not be used in any manner without prior written consent from IndianOil.
IndianOil does not make any warranties, express or implied, including, without limitation, those of merchantability and fitness for a particular purpose, with respect to any information, data, statements or products made available on the Site.
The Site, and all content, materials, information, software, products and services provided on the Site, are provided on an "as is" and "as available" basis. IndianOil expressly disclaims all warranties of any kind, whether express or implied, including, but not limited to, the implied warranties of merchantability, fitness for a particular purpose and non-infringement.
IndianOil shall have no responsibility for any damage to User's computer system or loss of data that results from the download of any content, materials, information from the Site.
IndianOil may change or discontinue any aspect of its website at any time, including, its content or features. IndianOil reserves the right to change the terms and conditions applicable to use of the Site. Such changes shall be effective immediately upon notice, which shall be placed on the Site.
In no event will IndianOil be liable for damages of any kind, including without limitation, direct, incidental or consequential damages (including, but not limited to, damages for lost profits, business interruption and loss of programs or information) arising out of the use of or inability to use IndianOil's website, or any information provided on the website, or in the Products any claim attributable to errors, omissions or other inaccuracies in the Product or interpretations thereof. Some jurisdictions do not allow the limitation or exclusion of liability. Accordingly, some of the above limitations may not apply to the User.
User agrees to indemnify, defend and hold IndianOil harmless from and against all losses, expenses, damages and costs, including reasonable attorneys' fees, arising out of or relating to any misuse by the User of the content and services provided on the Site.
The information contained in the Site has been obtained from sources believed to be reliable. IndianOil disclaims all warranties as to the accuracy, completeness or adequacy of such information.
IndianOil makes no warranty that: (a) the Site will meet your requirements; (b) the Site will be available on an uninterrupted, timely, secure, or error-free basis; (c) the results that may be obtained from the use of the Site or any services offered through the Site will be accurate or reliable.
The User's right to privacy is of paramount importance to IndianOil. Any information provided by the User will not be shared with any third party. IndianOil reserves the right to use the information to provide the User a more personalized online experience.
The Site provides links to web sites and access to content, products and services from third parties, including users, advertisers, affiliates and sponsors of the Site. You agree that IndianOil is not responsible for the availability of, and content provided on, third party web sites. The User is requested to peruse the policies posted by other web sites regarding privacy and other topics before use. IndianOil is not responsible for third party content accessible through the Site, including opinions, advice, statements and advertisements, and User shall bear all risks associated with the use of such content. IndianOil is not responsible for any loss or damage of any sort User may incur from dealing with any third party.