Offshore disposal of oil-based drilling-fluid waste: an environmentally acceptable solution

摘要: Oily cuttings and waste fluid are byproducts of oil-based drilling muds. In such difficult environments as the Gulf Mexico, where fluids often preferred, personnel safety, environmental, economic concerns exacerbated by necessity to transport these shore for disposal. This paper describes a process on-site preparation subsequent disposal slurry annular pumping. The includes all oil mud generated during with fluids. Wastes displaced down casing annulus into permeable zones below surface setting depth. Descriptions environmental safety problems arising from onshore disposal, benefits pumping, equipment used pumping described. technique eliminates need platform storage, transportation shore, effects