EESiFlo North America, Terminology and Glossary: Oil Well Terms, Pennsylvania, Oil: Oil Well Drilling Science and Technology, USA 2002, flowmeterdirectory.com/flowmeter_terminology, (Oil Well Drilling Sci and Tech - Amer) {555}
Hurricane Energy plc., Talking About Hurricane: Glossary of Terms and Abbreviations Used in Geology and in The Oil Business, Surrey, UK 2014. http://www.hurricaneenergy.com/Communications/Glos sary/, (Oil - Brit) {778}