Petal Basket (cementing) : A attachment to tubing or a plug that looks like an upside down umbrella. It helps hold cement or sand as a plug is started. It has metal ribs and a tough fabric between the ribs
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}