Explanation

• Pakistan’s largest oil fields are located in District: Attock
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• KHAUR oil field lies 54 miles southwest of Rawalpindi in Campbellpur (now Attock) District.
• This is the oldest field in Pakistan, discovered by the Attock Oil Company in 1915.
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• JOYA MAIR oil field was discovered in 1944 by the Attock Oil Company.

• BALKASSAR oil field is located west of Joya Mair in Jhelum District. The first well was drilled by Attock Oil Company in 1945/6.

• The KARNAL oil field was the first field discovered after independence.
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• Pakistan has found new deposits of oil and gas in the exploratory well Mamikhel South-01, located in Tal block in KPK
• Byco is the single largest oil refinery in Pakistan.