Oil India

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Oil India Limited
ऑयल इंडिया लिमिटेड
Public Sector Undertaking
Founded 18 February 1959
Headquarters Duliajan, Assam, India
Key people
Mr U.P. Singh
(Chairman & MD)
Owner Government of India
Website www.oil-india.com

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

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 USA. 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 USA 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 in the North East for transportation of crude oil produced by both OIL and ONGCL in the region to feed Numaligarh, Guwahati, Bongaigaon and Barauni refineries and a branch line to feed Digboi refinery.


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.


  1. ^ "OIL India Annual Report 2013-2014" (PDF). Retrieved 21 June 2015. 

External links[edit]