Pakistan Petroleum Limited (PPL) () is a Pakistani state-owned petroleum company. It was incorporated on 5 June 1950, when it inherited the assets and liabilities of the Burmah Oil Company Ltd. which initially holds 70% of the share with the rest mostly held by the government of Pakistan (GoP). As of June 2011, Government of Pakistan held 70.66% of the shares. The company is headquartered in Karachi. It operates major oil and gas fields, including the Sui gas field, has non-operating interests in other fields, and has an interest in an exploration portfolio onshore and offshore. The company's Managing Director reports to the Petroleum Secretary of Pakistan. In 1997, the old company Burmah Oil Company of the United Kingdom sold all its remaining equity in this company to the Government of Pakistan. Operations PPL is operator and shares 100% in two fields: Kandhkot gas field was discovered in 1959 but due to low demand, production did not begin until 1987. It was hit by flood in August 2010 and one of the gas gathering mains (GGM) submerged completely and two GGMs partly. There were 25 producing wells out of which 15 were shut-in. Production from the field dropped to at standard conditions from the peak of of gas. Eight wells were bought into operation by September 2010. After repairs, production increased to . Two additional wells brought into operation by mid October 2010 adding of gas thereby increased available production to . In December 2010, compression station began commercial operation to maintain contractual delivery pressure and enhance recovery ratio. Sui gas field was discovered in 1952 and is PPL's flagship natural gas project. It is under depletion phase, gas sales during the financial year 2010–2011 was against in 2009–2010. Production commenced from two development wells and a third well spud-in during the fiscal year 2010–2011. Drilling of well Sui-92U was started in March 2010. The well was drilled up to the depth of 2,128 meters in the Pab reservoir and was successfully completed as a single string producer from Sui upper limestone (SUL) in December 2010. Drilling of well Sui-89M started in January 2011 and was completed in February 2011. Sui-93M was drilled as a horizontal well using under-balanced drilling technology in the reservoir for the first time in the country to optimise field production. Well drilling started in March 2011 and completed in July 2011. Partners operated producing fields