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Summary of Mud’s Composition and Resultant Functions

READ: Drilling fluids, the circulating fluid for drilling operations, is a mixture of the fluid, the solid and chemical agents. It is usually known as the mud or the blood of drilling deriving from its distinctive significance. Drilling fluids, the circulating fluid for drilling operations, is a mixture of the fluid, the solid and chemical agents. It is usually known as the mud or the blood of drilling deriving from its distinctive significance. The solid in mud primarily includes concocting clay, weighting materials, drill cuttings and other solid substances. In terms of sources, it then comprises concocting clay, debris, weighting materials, solids from agents, etc. Besides, different types of action of solids and ions in water can further categorize low-density solids into active and in

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Four Major Functions of Filtrate Reducer

READ: Pressure gradients naturally genders fluid loss through the walls from the drilling mud as drilling processes, subsequently developing into borehole collapse and drilling-related accidents. Thus, filtrate reducer plays a significant role in maintaining relatively low fluid loss, one of the essential properties of the mud. Pressure gradients naturally genders fluids loss through the walls from the drilling mud as drilling processes. Excessive fluid loss can impact many aspects of drilling operations: 1. Shale formation can expand and collapse and the wall be less stabilized. 2. Fluid penetration can expand the clay, blocking the oil and gas channel and damaging the formation. 3. Larger fluid loss thickens the filter cake, narrows the borehole diameter, increases the torque of drilling

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33 MBA Students from University of Texas Visit KOSUN for Study

On the afternoon of April 18th, 2014, 33 MBA students from University of Texas paid a visit to KOSUNs Jingwei Solids Control Equipment Factory, where they made a field trip to the workshops with their topics and asked questions with great interest. The American students were given a full demonstration of KOSUNs overall strength and a fresh angle to look at Chinas private enterprises in the exchange activity. Meanwhile, KOSUN also acquired a better understanding of the American market and laid the foundation for massively developing the North American market in future. Group Photo of Visiting Students and KOSUN Leadership A staff member is making a brief introduction to KOSUN for the visiting students. Students are discussing issues of common concern. Students are discussing issues of commo

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Solutions for Four Common Underflow Problems of Cyclone

READ: When cyclone works, high-speed swirling movement generates the air column and low-pressure area, creating suction towards underflow outlet. This cyclone is often found in mud cleaners where solid-content fluids enters and solids leave through underflow outlet. When cyclone works, high-speed swirling movement generates the air column and low-pressure area, creating suction towards underflow outlet. Inject some water into cyclone by certain pressure and adjust the outlet till it allows no fluid flow, meaning it reaches the balance point.

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KOSUN Will Attend OTC 2014

Xian KOSUN Machinery Co., Ltd. would like to extend its warm welcome to all the customers to visit it on its stand No. 7535 at the worlds foremost event in oil gas industry—Offshore Technology Conference, lasting from 6th to 9th May, 2014 in Houston, USA. Mr. Geng Feng, general manager of Xian KOSUN Machinery Co., Ltd., at 2013 OTC The 44th Offshore Technology Conference was sponsored by American Petroleum Institute. Founded in 1969 and presently located in Houston, it is now the worlds largest annual oil gas conference. With numerous oil drilling machine suppliers attracted, OTC has been recognized a weather vane for oil gas machine industry, embracing major customers from oil-rich Mid-east, North America, CIS, Africa, Asia-Pacific Region, Europe, etc. every year. This time, KOSUN is to

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Application in Handling Unweighted and Weighted Drilling Fluids

READ: Decanter centrifuge separates by the work principle of centrifugal sedimentation. The drilling fields usually apply spiral settling centrifuge which works on the basis of different component densities. It mainly removes 2~10m solid phase from the mud as the last stage in solids control system. It has shared applications in both weighted and unweighted drilling fluids. Application in Handling Unweighted and Weighted Drilling Fluids Decanter centrifuge separates by the work principle of centrifugal sedimentation. The drilling fields usually apply spiral settling centrifuge which works on the basis of different component densities. It mainly removes 2~10m solid phase from the mud as the last stage in solids control system. It has shared applications in both weighted and unweighted drill

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Ten Unmissed Points on Desander’s Daily Maintenance

READ: Here are several unmissed points on desanders daily maintenance: No butter should be applied insider its hydrocyclones and seal groove cavity on the top since they are sealed by metal which will be damaged by the potential particle content or fixture from butter. Spare filter element and adequate O-shape sealing ring should be fully prepared. Here are several unmissed points on desanders daily maintenance: 1. No butter should be applied insider its hydrocyclones and seal groove cavity on the top since they are sealed by metal which will be damaged by the potential particle content or fixture from butter. 2. Spare filter element and adequate O-shape sealing ring should be fully prepared. 3. Visual inspection should be conducted into its hydrocyclones. 4. Indicated value displayed on p

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Causes and Solutions of Sand Fill in Hydrocyclones

Hydrocyclones are major components in desander, desilter and mud cleaner and assist most of their works. A hydrocyclone has a upper casing, a lower casing, a underflow mouth as well as auxiliary parts. The upper casing is an inlet chamber in cylindric with an inlet pipe on one side and a vortex tube in top middle as the overflow. The lower casing is a cone whose angle ranges from 15~20 at the tip. The underflow mouth is located at the bottom as the discharge port for solids. The work principle of hydrocyclones is to separate two or several components with different densities with the aid of centrifugal force. After the mixture is sent into hydrocyclones by certain pressure, it gradually flow into a high-speed rotation where the heavy phase form an outer swirl by moving downwards along the

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