The joint operating agreement (JOA) has a number of key commercial provisions. Scope The scope of the JOA is, generally speaking, to establish the respective rights and obligations of the parties with regard to operations and activities under the JOA including the joint exploration, appraisal, development, production and disposition of petroleum products from and decommissioning of the area of joint operations. The scope of the JOA will be determined through a list of identified activities which will constitute the joint operations and a list of activities which are specifically removed from the definition of joint operations, as ‘excluded activities’. Joint operations might be described as those activities necessary to exercise the rights and perform the obligations which result from the concession. Alternatively, the JOA could apply a more technical definition of what constitutes joint operations, derived by reference to the distinct operational elements of a typical petroleum project (exploration, appraisal, pre-development, development, production, disposal and decommissioning). Over the lifetime of a concession these various operational activities could occur at varying stages and the