Rank Wildcat : An exploratory well drilled in a basin where no other wells (or too few wells to define the basin) have been drilled. (Some areas use a specific distance between wells)
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}