1 Chemicals and chemical preparations, namely, surfactants, degreasers, corrosion inhibitors, drag reducing agents, demulsifiers, iron sulphide scavengers, pour point depressants, scale inhibitors, foaming agents, clay stabilizers, defoamers, diverting agents, and friction reducers used as additives for crude oil and as additives used for oil and gas industry exploration, drilling, production, and transport; chemicals and chemical preparations, namely, chemical additives for oil well drilling fluids used in oil and gas exploration, drilling, production and transport, especially oil well treatment; chemicals for treatment of water produced during drilling and extraction of crude oil, in fracturing and other stimulation processes; chemicals used to treat equipment used in the storage and transport of crude oil, namely, chemicals used to treat such equipment to protect against corrosion, to protect against formation and deposition of scale, to protect against the formation of deposits containing hydrocarbons, such as waxes or paraffins, and deposits containing iron compounds, such as iron sulfide and iron oxide, and surface coating removal chemicals to remove deposits that have formed in or on tanks, pipelines, refinery equipment, drilling equipment, especially scale, deposits containing hydrocarbons, such as waxes or paraffins, and deposits containing iron compounds, such as iron sulfide and iron oxide; chemical additives for refined fuel, namely, drag reducing additives added into oil pipelines to reduce the friction with the pipeline
Trademark: 90657403
