Larry Dalton Talley

Kinetic Hydrate Inhibitors Performance

This chapter discusses kinetic hydrate inhibitors performance and a few case studies. A lot of studies have been carried out to foresee kinetic hydrate inhibitor (KHI) performance in gas-dominated field applications. The major questions addressed in this chapter are what test apparatuses and what test protocols sufficiently predict field performance. The end result from this study is that KHI performance in chaotic flow pipelines can be fruitfully predicted in closed system test apparatuses between 0.5-in diameter to 4-in diameter. The method of determining hydrate appearance times in the laboratory are mainly covered in this chapter. Various studied and graphical representations show thermodynamic run in miniloop, HPML-1 studies, temperature history of 500 ml seawater, 400 mL condensate at 1000 psig gas. The chapter also reviews what test apparatus sizes and what test apparatus flow regimes sufficiently calculate field performance. A broad range of lab test apparatuses can forecast field performance provided that the flow characteristics, fluid compositions, pressures, and temperatures can be stimulated.

Chapter Eight – Conclusion

Publisher Summary This chapter is a summary of all chapters in this book. Chapter 1 deals with basic structures and formation properties which illustrates the importance of hydrates. It also has a detailed explanation about what hydrates are, thumb rules of crystal hydrates. The second chapter explains the formation of hydrates in offshore system and different hydrate blockages, hydrate formation case studies, risk management in hydrate plug Prevention. The third chapter gives a brief idea about safety in hydrate plug removal, how hydrate plugs are remediated, their safety concerns and blockage identification is the main highlight of Chapter 4. The fifth chapter gives information about artificial and natural inhibition of hydrates and how thermodynamic hydrate inhibitors function and how they are used. Chapter 6 illustrates kinetic hydrate inhibitors performance and a few case studies. The last chapter illustrates the industrial operating procedures for hydrate control.