Question:
Which of the following statement(s) regarding hydrocarbon occurrence is/are CORRECT?
Which of the following statement(s) regarding hydrocarbon occurrence is/are CORRECT?
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Cambay Basin → Gandhar, Ankleshwar; Assam Basin → Digboi; Western Offshore → Bombay High.
Updated On: Dec 6, 2025
- Gandhar field is in Cambay basin.
- Oil and gas occur in Mesozoic reservoir rocks in Bombay High field.
- Digboi field is in Assam basin.
- Hydrocarbon occurs in limestone reservoir in Ankleshwar field.
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The Correct Option is A, C
Solution and Explanation
Step 1: Understanding major Indian hydrocarbon fields.
- Gandhar field: Located in Cambay Basin (Gujarat), producing oil and gas from Tertiary sandstones.
- Bombay High: Offshore field with hydrocarbons in Tertiary carbonate rocks (not Mesozoic).
- Digboi field: One of India’s oldest producing fields in the Assam–Arakan Basin.
- Ankleshwar field: Hydrocarbon accumulation in limestone and sandstone reservoirs (Cambay Basin).
Step 2: Conclusion.
Thus, the correct statements are (A), (C), and (D).
- Gandhar field: Located in Cambay Basin (Gujarat), producing oil and gas from Tertiary sandstones.
- Bombay High: Offshore field with hydrocarbons in Tertiary carbonate rocks (not Mesozoic).
- Digboi field: One of India’s oldest producing fields in the Assam–Arakan Basin.
- Ankleshwar field: Hydrocarbon accumulation in limestone and sandstone reservoirs (Cambay Basin).
Step 2: Conclusion.
Thus, the correct statements are (A), (C), and (D).
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