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Onshore oil fields refer to the stock of oil existing on the land. In this context, which of the following are the onshore oil fields in India?
  1. Naharkatia oil field
  2. Mangala Area oil field
  3. Kalol oil field
  4. Bassein oil field
Select the correct answer using the code given below.
  • a)
    1 and 4 only
  • b)
    1, 2 and 3 only
  • c)
    2 and 3 only
  • d)
    2, 3 and 4 only 
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Onshore oil fields refer to the stock of oil existing on the land. In ...
Onshore oil fields in India:

1. Naharkatia oil field:
- Located in the state of Assam, Naharkatia oil field is one of the oldest and largest onshore oil fields in India.
- It was discovered in 1953 and is operated by Oil India Limited (OIL).
- The field produces both oil and natural gas.

2. Mangala Area oil field:
- Located in the Barmer district of Rajasthan, the Mangala Area oil field is part of the larger Rajasthan oil fields.
- It was discovered in 2004 and is operated by Cairn India.
- The field is known for its heavy oil reserves and has significant production levels.

3. Kalol oil field:
- Located in the Mehsana district of Gujarat, the Kalol oil field is operated by Oil and Natural Gas Corporation (ONGC).
- It was discovered in 1961 and has been a major contributor to India's oil production.
- The field has both oil and natural gas reserves.

4. Bassein oil field:
- Located in the Arabian Sea, off the coast of Maharashtra, the Bassein oil field is one of the largest and most productive offshore oil fields in India.
- It was discovered in 1976 and is operated by Oil and Natural Gas Corporation (ONGC).
- The field produces both oil and natural gas and has played a significant role in meeting India's energy needs.

Therefore, the correct answer is option 'B' (1, 2, and 3 only) as Naharkatia oil field, Mangala Area oil field, and Kalol oil field are the onshore oil fields in India.
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Community Answer
Onshore oil fields refer to the stock of oil existing on the land. In ...
  • Onshore refers to the mainland. In exploration and production, “onshore” refers to the development of oil fields, gas deposits and geothermal energy on land. 
  • The onshore extraction of crude oil and geothermal energy requires drilling into underground deposits. The targeted search for crude oil, natural gas and geothermal deposits is called prospecting. 
  • Naharkatia (also spelled as Naharkatia or Nahorkatiya) is a town and a town area committee in Dibrugarh district in the Indian state of Assam. Therefore, it is an onshore oil field. Hence , option 1 is correct. 
  • It is well known for petroleum and gas reserves. Naharkatiya -Barauni Crude Oil Pipeline is an operating crude oil pipeline in India. The pipeline runs from Naharkatiya, Assam to the refinery at Noonmati, Assam and to Barauni, Bihar. 
  • Scottish firm Cairn Energy -discovered on shore Mangala oilfield in Rajasthan, producing more than 473 million stock barrels of oil. Mangala oilfield was discovered by Cairn in 2004. 
  • The field was put to production on August 29, 2009. In December 2011, Cairn sold the India business Vedanta group. Hence , option 2 is correct. 
  • Kalol is a city and a municipality in Panchmahal district in the state of Gujarat, India. It is an onshore oil field. Recently, ONGC has finished drilling operations by country's first indigenously made oil drilling rig at Kalol oil fields in Gujarat which is an onshore facility. Hence , option 3 is correct. 
  • Located 80 -km off the Mumbai coast, the Bassien gas field, also called the Vasai field, was discovered in 1976 and put in production in 1988. Bassein field has 393 billion cubic meters of initial gas in place, of which 248 bcm (about 7 trillion cubic feet) has been produced. It is an offshore facility. Hence , option 4 is not correct.
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Onshore oil fields refer to the stock of oil existing on the land. In this context, which of the following are the onshore oil fields in India? Naharkatia oil field Mangala Area oil field Kalol oil field Bassein oil fieldSelect the correct answer using the code given below.a)1 and 4 onlyb)1, 2 and 3 onlyc)2 and 3 onlyd)2, 3 and 4 onlyCorrect answer is option 'B'. Can you explain this answer?
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