دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: 1. a low-pressure area, around which wind flow is counter-clockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere. The term is sometimes used to describe storms occurring in the atmosphere;in the Indian Ocean it is used to designate a tropical cyclone. 2. a device for the separation of various particles from a drilling fluid, most commonly used as a desander. The fluid is pumped tangentially into a cone, and the fluid rotation provides enough centrifugal force to separate particles by mass weight.

n: A device for the separation of solid particles from a drilling fluid. The most common cyclones used for solids separation are a desander or desilter. In a cyclone, fluid is pumped tangentially into a cone, and the fluid rotation provides enough centrifuga

a device that separates cuttings by centrifugal motion of the fluids.

n: refer todesilter

devices that typically use centrifugal flow paths to spin solids out of a drilling or circulating fluid.

n: a centrifugal device for removing very fine particles, or silt, from drilling fluid to keep the amount of solids in the fluid at the lowest possible point. Usually, the lower the solids content of mud, the faster is the rate of penetration. The desilter works on the same principle as a desander. Com- pare desander.

n: A hydrocyclone with an inside diameter less than 6 inches. It can remove a large fraction of solids larger than 15–20 microns.

n: see hydrogen cyanide. hydrocyclone n: a cone-shaped separator for separating various sizes of particles and liquid by centrifugal force. See desandet;desilter.

n: the loss mud that along with the solide controll system of mud shaker,desander, desilter, cleaner or centrifuge or the loss mud that clean the mud or mud pool.

n: a steel tank placed under the shale shaker into which mud falls after passing through the shale shaker. The shaker re- moves mainly cuttings from the mud so solids such as sand and other fine particles fall with the mud into the sand trap. Many of the solids fall out of the mud in the sand trap: those that do not settle out are removed with other specialized solids control mud treatment equipment such as desanders and desilters.

n: A small pit, typically located immediately after the shaker screens, which is used as a settling pit to separate coarser solids that accidentally bypass the shakers. Mud enters the pit at one side and exits via an overflow at the other. Sand traps are dum

a surface vessel in the production line with the specific task or capturing sand before the production goes through a point where the sand may damage equipment.

n: A system used to control and process the performance of drilling fluids,which consists of mud desander,de-gasser,sand filter,desilter and agitator etc.