Performance of Exploration Work Programme and Budget. (a) If any well forming part of the Exploration Work Programme and Budget provided for in this Article 4 is abandoned for any reason other than a reason specified in paragraph 4.4 (b) before reaching the defined objectives of such well, the Contractor shall drill a substitute well. In this event, the First, Second or Third Exploration Period, as the case may be, shall be extended by a period of time equal in length to the time spent in preparing for and drilling the substitute well, including mobilisation and demobilisation of the drilling rig, if applicable.
