Which gas field, found in 1952, is a key domestic gas source?

Explanation

– The Sui gas field, discovered in 1952 in Dera Bugti district, became so central to Pakistan’s domestic gas supply that the term “Sui gas” is still colloquially used across the country to refer to piped natural gas in general, regardless of its actual source field.
– The term ‘Sui gas’ is still used generally for piped gas in Pakistan.