05.07.2009
Date by which a project sponsor has met all the demands of the financial institutions that are providing financing for the project and the financing package has been approved
Date after all the due diligence and investigations have been carried out when a company makes the final decision to go ahead with a specific project, such as drilling the well
the process of filtering a fluid
The layer of concentrated solids from the drilling mud or cement slurry that forms on the walls of the borehole opposite permeable formations