Oil and gas company Parkmead reported a surge in half-year revenue, supported by an increase in production.The company reported revenue of £9.9m in the six months ended December 31st 2013, compared to £2m the previous year. Maiden profit before tax came to £3.1m, up from a loss of £2.8m in 2012.During the period the company completed the acquisition of Lochard Energy Group, helping to boost production, revenue and cash flow.At the end of 2013 the group also announced the acquisition of a further 20% interest in the Athena oil field from EWE VERTRIEB GmbH, which will treble oil production from Athena. Following the completion of the transaction, Parkmead's net oil and gas production will have grown by over 700%. Total assets increased to £81.5m last year from £40m at end 2012. A new gas discovery was also made in the UK Southern North Sea by the Pharos exploration well.In February 2014, Parkmead completed an oversubscribed placing, raising approximately $66m to invest in assets and explore further merger and acquisition opportunities."I am delighted to report excellent progress in the period to December 31st 2013," said Chairman Tom Cross.Shares fell 1.43% to 241.50p at 15:12 on Friday.RD