دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

Soda ash, bicarbonate of soda, caustic soda and some phosphates. Act to reduce the effects of calcium in a fluid.

a strong base chemical. Caustic soda is sodium hydroxide.

n: sodium hydroxide, NaOH. It is used to maintain an alkaline pH in drilling mud and in petroleum fractions.

n: See sodium hydroxide.

n: (1) Any chemical that promotes the subdivision of a material phase. (2) Any chemical that promotes dispersion of particles in a fluid. Frequently, a deflocculant is inaccurately called a dispersant. Caustic soda is a dispersant but not a deflocculant.

n: a water-base clay mud containing caustic soda and tannates to which lime has been added. Also called red mud.

n: (SAPP) a thinner used in combination with barite, caustic soda, and fresh water to form a plug and seal off a zone of lost circulation.

n: a sequestering agent used to treat cement contamination and a deflocculant for low-temperature water muds.

n: see caustic soda.

n: The common name for sodium hydroxide [NaOH]. Caustic soda is used in most water-base muds to increase and maintain pH and alkalinity. It is a hazardous material to handle because it is very caustic and gives off heat when dissolved in water. Proper traini