Development of New Environmentally Compliant CO2 Corrosion Inhibitor for Subsea Injection

Menendez, Carlos M. (Baker Hughes) | Sowders, Kathy (Baker Hughes) | Ake, Charles (Baker Hughes)

OnePetro 

Carlos M. Menendez, Kathy Sowders, Charles Ake Baker Hughes 12645 West Airport Blvd Sugar Land, Texas USA ABSTRACT The need for green corrosion inhibitors is expanding to geographical areas beyond the North Sea and the Norwegian shelf as more countries adopt regulations that minimize the environmental impact of offshore production chemicals. The design process of corrosion inhibitors for these applications can be complex because of a limited number of chemistries with environmentally favorable properties and the rigorous qualification process necessary for subsea applications. The newly developed corrosion inhibitor complies with North Sea environmental regulations and physical properties such as cleanliness specifications, thermal stability, viscosity, and flammability while matching the corrosion performance of a conventional incumbent and methanol based corrosion inhibitor. Keywords: sweet environment, corrosion inhibition, offshore environmental regulations, subsea injection qualification INTRODUCTION Previous work addressed the development of green corrosion inhibitors for high shear applications in the North Sea. The need for green corrosion inhibitors is expanding to geographical areas beyond the North Sea and the Norwegian shelf as more countries adopt regulations that minimize the environmental impact of production chemicals offshore.