Oil & Gas
Silicone antifoams and defoamers are highly active and very effective agents used to prevent or suppress foams in many chemical processes without contaminating or altering the product.
SAG silicone antifoams are used in the Oil & Gas industry where they have demonstrated control foam in a variety of applications, such as diesel fuel, gas sweetening, butadiene units, gas oil separators, drilling muds, and others. SAG antifoams that we are supplying have been shown to offer lower use levels, stability in extreme weather conditions, easier handling, improved compatibility, and stability to provide better overall performance in many oil and gas applications.
Antifoams are mainly used during drilling - crude oil, water, natural gas separation.
- Gas oil separator systems (crude oil / natural gas / water separation): Certain crudes tend to foam while undergoing depressurization to release entrapped gas. This tendency can severely limit output and is especially severe on offshore rigs where special foaming problems occur.
- Drilling mud: These vital fluids are extremely surface active and prone to foam.
- Gas dehydration: Stripping water from glycols such as di-, tri- or tetramethylene glycol during drying of gas often causes severe foaming. This leads to high glycol loss and reduction of throughput.
- Gas scrubbing: Gas scrubbers that are used to remove CO2 and H2S from gases are prone to foam. Such processes are commonly used for natural gas, refinery gas, in gas treatment as a part of reforming, in ethylene production (steam cracking), and in the production of ethylene oxide. Trace impurities, such as liquid hydrocarbons, wellhead inhibitors, and valve greases in the incoming gas can cause foam regardless of which absorbent (MDEA, DEA, TEA, and DGA or carbonate solution) is used. Foaming can cause reduced throughput as well as the loss of expensive absorbent by carryover.