دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: (ZnCI2) a very soluble salt used to increase the density of water to points more than double that of plain water. Normally added to a system first saturated with calcium chloride.

ZnCrO4,yellow powder,poisonous and can cause cancer,which is mainly as a depressor of corruption.

Zn(OH)2,formless and white powder, which can be used as a sulfide scavenger in water-base muds.

orange densify block shape solid,which can be used to extract sulfur removal from zinc oxide.

n: a rock stratum that is different from or distinguished from another stratum (e.g., a pay zone).

a section of a formation.

n: the practice of separating producing formations from one another by means of casing, cement, and packers for the purposes of pressure control and maintenance, as well as the prevention of mixing of fluids from separate formations.

n: a formation that contains holes or cracks large enough to allow cement to flow into the formation instead of up along the annulus outside of the casing.

The bit with only one cone,the rotate speed of cone is low ,which can adapt to big change of rotate speed.

a class of surfactant with both positive and negative charges.