Fluid problems in deepwater are critical issues (such as colder seabed temperatures, producedwater, condensates, paraffin, and asphaltene contents in the oil) that can compromise the viability of a development project. To remedy that concern, chemicals are being increasingly relied on for production assurance. The use of chemicals in offshore oil production processes is not a new approach. Some of the chemicals used are corrosion inhibitors, workover/packer fluids (weighted clear fluids, bromides, chlorides, etc.), hydrate and paraffin inhibitors, defoamers, solvents (soaps, acids), glycol, and diesel. These chemicals are typically used for batch treatments, small-volume continuous injections, and remedial treatments such as workover operations. Material safety data sheets are required for all chemicals used offshore. Corrosion inhibitors are used to protect carbon-steel components of the production systems that are wetted by the produced fluids. Material selection is a critical factor in the proper design of a production system, requiring information about the composition of the produced fluids.
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