The development stages:Exploration drilling/2012-04.Canadian firm Gran Tierra Energy has a full working interest in Azar block. Before, the company had a 40% stake, Gold Oil a 20% interest, and Lewis Energy held the remaining 40%. This block covers 47,224 gross acres in the Putumayo basin. In December 2014, Gran Tierra Energy filed with the ANH a request to relinquish its interest in the block. This process is subject to receipt of final documentation from ANH. The company is still obliged to carry out remediation work on the block. Through 2014, there was no significant capital expenditure on the block and no significant capital expenditure is planned for 2015.