Gulf Keystone said it would launch an aggressive development drilling campaign at its Shaikan-10 well in Iraq.The oil and gas explorer said the decision followed the "spudding", or early drilling, of the well on July 5th.The AIM-listed company said Shaikan-10 was part of its plan to shift from being an exploration company to becoming a producer.Chief operating officer John Gerstenlauer said: "Our next immediate target is to complete the company's transition from an exploration to a key producer in the Kurdistan region in 2013."