Law of Capture (hydrocarbon movement) : A legal concept, valid in some places, that since oil (and gas) are mobile fluids, that they are not owned until they are produced
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}