Internal Filter Cake : Filtration control by particles smaller than the pore bridging size that invade the pores and bridge within the pore throats. Often very difficult to remove
George E. King Engineering, 5000 Oilfield Terms: A Glossary of Petroleum Engineering Terms, Abbreviations and Acronyms, US 2010. http://gekengineering.com/Downloads/Free_Downloads /Glossary_of_Petroleum_Engineering_Terms_25_August _2010.pdf, (Oil - Amer) {593}