Oil India

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Oil India Limited
Public Sector Undertaking
IndustryOil and gas
Founded18 February 1959
HeadquartersDuliajan, Assam, India
Key people
Mr Utpal Bora
(Chairman & MD)
ProductsPetroleum, natural gas, and other petrochemicals
Revenue12,028 crore (US$1.7 billion)
OwnerGovernment of India (67.64%)

Oil India Limited (OIL) is the second largest hydrocarbon exploration and production Indian public sector company with its operational headquarters in Duliajan, Assam, India. The company is a state-owned Navratna under the administrative control of India's Ministry of Petroleum and Natural Gas with its corporate offices in Noida in the New Delhi-NCR region.

OIL is engaged in the business of exploration, development and production of crude oil and natural gas, transportation of crude oil and production of liquid petroleum gas. The company's history spans the discovery of crude oil in the far east of India at Digboi, Assam in 1889 to its present status as a fully integrated upstream petroleum company.

Exploration and production[edit]

Oil India Limited was formed by the Burmah Oil Company Limited as its subsidiary in India 1887 to explore in the Assam Basin, India ( Corley, T A B, 1983, The History of the Burmah Oil Company, 1886-1983). Staff at the Burmah Oil Company Limited had heard from a geologist with the colonial British Indian Geological Survey, Thomas Oldham, that oil was found on the feet of elephants that were being used as beasts of burden in the vicinity of the Digboi village (Arun Metrie, pers. comm., former Burmah Oil economist, 1988). The oil on the elephants' feet was traced to the Digboi area, where a surface fold (anticline in geological parlance) had formed a broad hill. A successful technique for exploration for hydrocarbons at the time was drilling beneath seeps on anticlines (Thornton, S E, 2015, The history of Oil Exploration in the Union of Myanmar, Paper No. 10807), so Oil India drilled beneath the Digboi seeps and found a giant oil field. Several other oil fields were subsequently found by Oil India Limited in what became India's first oil production.

Recoverable oil reserves. As of 2014 the company produced 3.466 MMT of crude oil, 2625.81 MMSCM of natural gas and 46,640 tonnes of LPG.[1] Most of this was produced from its traditionally rich oil and gas fields concentrated in the Northeastern part of India and contribute around 80% of total oil and gas produced in the region. The search for newer avenues has seen OIL spreading out its operations in onshore / offshore Orissa and Andaman, Cauvery offshore, Tamil Nadu, Arabian Sea, deserts of Rajasthan, onshore Andhra Pradesh, riverbeds of Brahmaputra and logistically difficult hilly terrains of the Indian state Mizoram and Arunachal Pradesh. In Rajasthan, OIL discovered gas in 1988, heavy oil / bitumen in 1991 and started production of gas in 1996. The company has accumulated over a hundred years of experience in the field of oil and gas production, since the discovery of Digboi oilfield in 1889.[citation needed]

The company has over 100,000 square kilometres (39,000 sq mi) of licensed areas for oil and gas exploration. It has emerged as a consistently profitable International company[citation needed] and present in Libya, Gabon, Nigeria, Sudan, Venezuela, Mozambique, Yemen, Iran, Bangladesh and United States. OIL has recently emerged in the offshore giant gas-field project of Mozambique and also made discovery of oil & gas in Gabon as an Operator and Libya as non-operator. OIL acquired Shale oil asset in United States during 2012.

In recent years, OIL has stepped up E & P activities significantly in the North-East India. OIL has set up the NEF (North East Frontier) project to intensify its exploration activities in the frontier areas in North East, which are logistically very difficult and geologically complex.[citation needed] Presently, exploration activities are in progress along the Trust Belt areas of Arunachal, Assam including Mizoram. The Company operates a crude oil pipeline from Duliajan to Barauni, in Bihar.


A 1,157-kilometre (719 mi) long fully automated telemetric pipeline with 212 kilometres (132 mi) of looping and a total capacity to transport over 6.0 MMTPA remains the lifeline of the company. Commissioned in 1962, the double skinned crude oil pipeline traverses 78 rivers including the Brahmaputra River as it meanders through paddy fields, forests and swamps. There are 11 pumping stations, 18 repeater stations and two terminals at Numaligarh and Rongapani. The engines that drive the giant pumps along the pipeline have more than two hundred thousand hours of service and established a world record of machine hours.[citation needed]

OIL completed the construction of a 660-kilometre (410 mi) pipeline from Numaligarh to Siliguri in November 2007. The company also sells its gas to different customers in Assam: BVFCL, ASEB, NEEPCO, IOC (AOD), and APL as well as to RSEB in Rajasthan. It also produces liquefied petroleum gas (LPG) at its plant in Duliajan,Assam.

International Operations[edit]

OIL’s overseas E & P portfolio consists of 17 Blocks spread over 10 countries: Libya, Gabon, Nigeria, Yemen, Venezuela, USA, Mozambique, Myanmar, Bangladesh and Russia. In addition to the above, OIL has 10% PI in 741 km long Multiproduct pipeline construction and operation project in Sudan which was completed in 2005.


Oil India Limited carries out operations through a total of five subsidiaries, namely OIIL (Oil Indian International Limited), Oil India International BV, Oil India Sweden AB, Oil Indian (USA) Inc and OIL Cyprus.[2]

During 2016-17

OIL along with Indian Consortium partners IOCL and BPRL acquired two producing assets in Russia - 23.9% stake in Vankorneft, Russia and 29.9% stake in Taas-Yuryakh, Russia . These assets are held through OIL’s WOS Oil India International Pte. Ltd. incorporated in Singapore.

TYNGD is a producing asset with current production of 1.13 MMT and expected peak production of 5 MMT by 2021. It is one of the largest green fields located in Eastern Siberia. TYNGD is ramping up required infrastructure to meet peak production level.

Vankorneft has two licences - Vankor and North Vankor. It is a giant oil & gas producing field located in Eastern Siberia, and contributes to about 10% of Rosneft’s entire oil production. The commercial agreements for sale of oil and gas are in place for the asset. Vankorneft started commercial production from 2009 and all infrastructure is in place.

In License-61 in Russia, the development and production activities are undergoing at present. OIL is taking an active role in the development activities and supporting the operator of the license, M/s Petroneft Resources by providing expert opinions in selected areas.

In Venezuela, Carabobo Project where OIL has PI of 3.5%, the development activities in the field are under progress.

In the USA Liquid rich shale asset where OIL has 20% PI, OIL holds approx. 14172.75 net acres of the asset. Currently, OIL’s share of daily production from this asset is around 350 BOEPD.

OIL together with OVL, has 10 per cent participating interest (OIL 4%, OVL 6%) in the Mozambique block in the Area 1 Rovuma Field. , the Initial development of Integrated Golfino-Atum (GA) Project. . The Area 1 JV is presently working on Four (4) elements, viz. (i) Legal and Contractual framework, (ii) Resettlement of the local community, (iii) Marketing of LNG, (iv) Project Financing, that must be sufficiently progressed before Operator Anadarko and the participants can determine economic viability and take Final Investment decision. The first production and revenue from the field is expected to be generated in fiscal year 2022/2023.

In Libya, in the block Area 95/96,OIL holds 25% PI and Sonatrach is the operator. The consortium signed an Interim Arrangement Agreement to continue in the block till May 2018.

In Gabon, Block SHAKTHI, a discovery has been made, which produced oil with gas.

In Nigeria, Based on the interpreted results, consortium decided to re-enter the (Discovery Well) and re-entry in the well is under progress now.

In Bangladesh , seismic acquisition and processing of acquired data is almost complete.

In Myanmar, the Consortium led by OIL has completed Geoscientific Studies .

OIL’s overseas portfolio has contributed significantly to accretion of reserves and production of oil and Natural gas. During 2016-17, OIL’s Crude Oil and Natural Gas Production for its proportionate share of stakes in the overseas producing assets stood at 0.9069 MMT and 352.99 MMSCM respectively.

See also[edit]


  1. ^ "OIL India Annual Report 2013-2014" (PDF). Retrieved 21 June 2015.
  2. ^ "OIL Financial results - subsidiaries". OIL Official website - Investors. Oil India Limited. Retrieved 10 October 2018.
  3. ^ http://www.topnews.in/sonia-lay-foundation-rajiv-gandhi-petroleum-institute-rae-bareli-221339

External links[edit]