Screens Types Selection and Usage in Shale Shakers

Solids control equipment shale shakers typically composed of wire mesh shaker screens in kinds of mesh sizes that vibrate the drill waste across and off the shaker screens as the drilling fluid or drilling mud flows through shaker screens in the solids control system and back into mud system.

Usually there are three types of shaker screens for different shale shakers, including PWP screen, PMD screen, and hook strip screen. PMD scree is Derrick’s patented products for Derrick 2000 series and Derrick 500 series shale shakers. While hook strip screens and PWP screens are widespread application to world famous shale shakers like brand Derrick, Brandt, M-I SWACO, and KOSUN.

The steel frame shaker screen is the most commonly shaker screens composed of steel frame and two or three layers SS304 cloth. Frame shaker screen is commonly used on shale shakers for its simple process craft and easy and quick replacement. There are two kinds of frame according to the frame material, steel frame and composite frame. Steel frame is made of high strength square steel or flat steel with reinforced support bars.

The screen cloth can be joined to the frame by metal liner or directly bonded to the frame.The composite frame is made of high strength composite such as plastic, fibers, carbon and so on. There are lots of types of frame shaker screens made by different manufacturers like Brandt, M-I SWACO, Derrick and KOSUN.

Hook strip screens is a common kind of shale shakers screen, which can be widely used in different conditions of drill waste operation. This screen is made with two or three layers of SS wire cloth bonded to a steel support plant. KOSUN can supply hook strip flat panel screens with the mesh sizes ranging from mesh 12 to 275.

KOSUN products now also extend to HDD & TBM slurry treatment for infrastructure and oil sludge treatment for petroleum refining industry. With more than 25 years history and over 50 countries clients all over the world, KOSUN has gained great reputation with its high quality and exclusive services.

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Mono Screw Pump Working Principle and Apllication

M ono screw pump , also called sewage pump or progressive cavity pump , belongs to the rotor type positive displacement pump . M ono screw pump is depend ing on the screw meshing with liner on the discharge and suction cavity to conveying liquid volume change. It is a kind of method of pressurized screw pump, a main working parts by bushing has a double helix cavity (stator) and the stator cavity and its meshing singlehead screw screw (rotor). When the input shaft through the universal joint drive making planets revolving around the center of the stator, rotor stator, rotor, vice is continuous mesh form sealed cavity, the seal chamber volume invariably uniform axial movement, the medium from the suction end of deputy to the stator, rotor pressure side, the suction medium sealed cavity through the stator without stirring and destruction. M ono screw pump is an ideal pump used to feed drilling fluids to decanter centrifuge. Since mud is evenly pushed to pro

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Water Based Mud Drilling Cuttings Management

In geotechnical engineering , drilling fluid is used to aid the drilling of boreholes into the earth , o ften used while drilling oil and natural gas wells and on exploration drilling rigs , and also for much simpler boreholes like water wells . Liquid drilling fluid is often called drilling mud. The three main categories of drilling fluids are water-based mud (which can be dispersed and non-dispersed), non-aqueous mud, usually called oil-based mud, and gaseous drilling fluid, in which a wide range of gases can be used. The main functions of drilling fluids include : providing hydrostatic pressure to prevent formation fluids from entering into the well bore, keeping the drill bit cool and clean during drilling, carrying out drill cuttings, and suspending the drill cuttings while drilling is paused and when the drilling assembly is brought in and out of the hole. The drilling fluid used for a particular job is selected to avoid formation damage and to limi

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Drilling Waste Management Approach and Method

Drilling waste management is a hot topic these years with global attention to environmental protection, especially in O il & gas industry. Drilling waste management into environment without any treatment is strictly forbidden. So before disposal, a series methods must be introduced to treat the cuttings and make it reach to disposal standard. Drill ing waste is produced as the rock is broken by the drill bit advancing through the rock or soil; the cuttings are usually carried to the surface by drilling fluid circulating up from the drill bit by rotary , percussion , or auger methods. The drill ing waste is commonly examined to make a record (a well log ) of the subsurface materials penetrated at various depths. In the oil and gas industry, this is often called a mud log . One drilling method that does not produce drill ing waste is core drilling , which instead produces solid cylinders of rock or soil. In cable-tool drilling, the drilling waste i

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Solid Control & Drilling Waste Management Solution

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