KOSUN

标签： KOSUN

  • 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 2~10μm 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 2~10μm solid phase from the mud as the last stage in solids control system. It has shared applications in both weighted and unweighted drilling fluids.

    Decanter centrifuges can be specified by the bowls’ lengths and max. diameters as 18×24 inch, 14×22 inch, 14×20 inch (diameter×length); or by the capacities, such as domestic centrifuges with capacities of 40m³/h or 60m³/h and bowl speed ranging from 1500~3500r/min

    Handling Unweighted Drilling Fluids

    Effective separation in unweighted low-solids drilling fluids involves centrifugation and the required centrifuge which is usually large-capacity centrifuge dealing with 23~45m³/h of fluids and 3~4t solids. Drilling fluids will go into two flows in centrifuge, one of which is underflow discharging useless solids to waste pool and another overflow returning valuable fluids to mud tank. Now, centrifuge is riding a wave of popularity in purifying unweighted drilling fluids which carries enormous benefits.

    Handling Weighted Drilling Fluids

    In this case, centrifugal is primarily aiming at controlling viscosity since large viscosity decelerates the speed in drilling. It overflows the impacting ultra-fine particles and colloids to waste pool, and sends back underflow with numerous barite content to the tank.

     

  • Ten Unmissed Points on Desander’s Daily Maintenance

    READ: Here are several unmissed points on desander’s 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 desander’s 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 pressure differential gauge should not surpass 3MPa when it is working.

    5. Only one hydrocyclone is rolling while the other one is saved for later use.

    6. Six-hourly examination of wall thickness should be carried out on key parts of desander.

    7. A sudden fall of pressure differential indicates damaged filter element. In this case, one hydrocyclone should be shut and another one started.

    8. Filter element should be taken out and examined after one day finishes.

    9. The butter from screw thread should be prevented from blocking desander filter element. If blocked, it should be moved from machine and cleaned by high-pressure steam.

    10. The moment the filter element is moved from machine, it should be cleaned by water at once to avoid precipitation of sand or support agent at essential points.

     

  • 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 axis, outwards along radial direction, downwards again along the cone till they flow out of underflow; while the light phase form upward inner swirl by moving towards axis and upwards till they go out from overflow outlet. Thus, the separation is done.

    Sand fill is the commonest anormaly to hydrocyclone and is categorized as:

    Sand fill at the underflow: it happens as a consequence of improper adjustment that results in dry bottom or of excessive silt content which brings about overloaded hydrocyclone. It should be removed immediately as it affects the purification ability and accelerates abrasion of lining and vortex tube. Usually the best ways are to enlarge underflow outlet or to have more solids taken away by preceding equipment.

    Sand fill at the inlet: it can be partial or overall. Partial sand fill decelerates fluid flow inside inlet, leaks enormous drilling fluids from underflow and sometimes clean mud which may flow backwards from the overflow as, at that time, hydrocyclone is not more functional than a hopper. Overall sand fill is prone to back flow drilling mud from the overflow. Inlet sand fill generally stems from poor drilling fluids management, and most likely from going round the shale shaker or abrading shaker screens.

     

  • KOSUN Black Rhino Shale Shaker to Display at 2014 CIPPE

  • Beijing CIPPE Opens on Mar. 19th; KOSUN Shows up with 8 Products

    READ: On Mar. 19th, 14th China International Petroleum Petrochemical Technology and Equipment Exhibition(CIPPE 2014 for short) commenced at New China International Exhibition Center in Beijing. Xi’an KOSUN Machinery Co., Ltd.(KOSUN for short) attended this event with 8 new products such as, Black Rhino Shale Shaker, Black Rhino Mud Cleaner, etc.

    14th China International Petroleum Petrochemical Technology and Equipment Exhibition(CIPPE 2014) commenced today at New China International Exhibition Center in Beijing. Xi’an KOSUN Machinery Co., Ltd.(KOSUN) attended this event with 8 new products such as, Black Rhino Shale Shaker, Black Rhino Mud Cleaner, etc.

     

     

    This time, KOSUN displayed 8 equipment: Black Rhino Shale Shaker, Black Rhino Mud Cleaner, dc355 Decanter Centrifuge, dc550 Decanter Centrifuge, Centrifugal Pump, Vertical Centrifuge, Screw Pump. Among them, Black Rhino Shale Shaker, dc355 Decanter Centrifuge, dc550 Decanter Centrifuge, Vertical Centrifuge were newly launched. It is reported that having been functionally upgraded and materially, technologically and externally adjusted on the principle of “Innovation on Technology, Economical but Practical”, they are now endowed with more practicality and durability.

    On the event, Xi’an KOSUN Machinery Co., Ltd. stands in an exhibition area of 350m², numbered E2160.

     

     

    Xi’an KOSUN Machinery Co., Ltd., KOSUN for short, is originally named as Xi’an Changqing Drilling Equipment Factory and Xi’an KOSUN Oil Drilling Equipment Co. Ltd. KOSUN is capable of providing customers with such four series as oil & gas drilling solids control equipment, centrifuges, drilling waste treatment equipment and drilling security equipment, including 25 categories of products, and can also customize packaged design and matching products of oil & gas drilling rigs for drilling contractors. The products provided by KOSUN are extensively used in oil & gas drilling and workover, coalbed methane drilling, shale gas drilling, water well, geothermal well drilling, trenchless horizontal directional crossing projects, mine gravel staged treatment, tailings treatment, rive dredging works, municipal environment-friendly sewage treatment, industrial wastewater treatment, fruit juice purification, waste oil recovery and purification treatment, etc.

     

  • Beijing CIPPE in Full Swing; Continuous Highlights from KOSUN Stand

    READ: On Mar 20th, with waving colorful flags and teaming crowds at New China International Exhibition Center, 14th China International Petroleum Petrochemical Technology and Equipment Exhibition(CIPPE), the largest worldwide oil exhibition, is in its full swing. It has attracted thousands of oil equipment manufacturers and buyers at home and abroad for business discussions.

    On Mar 20th, with waving colorful flags and teaming crowds at New China International Exhibition Center, 14th China International Petroleum Petrochemical Technology and Equipment Exhibition(CIPPE), the largest worldwide oil exhibition, is in its full swing. It has attracted thousands of oil equipment manufacturers and buyers at home and abroad for business discussions.

     
     
     

    The exhibitors resorts to “the unexpected”, like art performances, charming models and massive screen advertisements for more attention. However, the most eye-attracting are the new equipment and technologies on display. No doub, “NEW” is the major feature this year.

     

     

    At the same time, continuous highlights have been shown from Xi’an KOSUN Machinery Co., Ltd.(KOSUN), who also puts some innovative touches onto its stand.

     

     

    Eight new equipment on display

    The biggest one is to showcase eight new equipment, apart from the old Centrifugal Pump and DC355 Decanter Centrifuge. Black Rhino Shale Shaker, DG70-1 Screw Pump, DC530 Decanter Centrifuge, Vertical Centrifuge, Black Rhino Mud Cleaner were all newly developped in the recent years.

     

     

    DC530 Decanter Centrifuge is a new upgrade from the original manufacture techniques, recently innovated and improved in terms of separating effects and efficiency. And another new product, Black Rhino Shale Shaker is transformed on motors, function modulization as well as performance from the old QZS703 and QZS83. Co-sponsored by Xi’an KOSUN Machinery Co., Ltd. and ES Company, Vertical Centrifugal also debuted at Beijing CIPPE along with Black Rhino Mud Cleaner and DG70-1 Screw Pump.

    Many customers visited and enquiried at KOSUN stand for the first day. Among them, those from Egypt and Russia expressed strong interest and intention to cooperate.

    A large exhibition team, who offers excellent services

    This year, KOSUN organized the ever largest exhibition team to cover assistance services, technical support, multi-ligual services and nogotiations with corresponding professionals.

     

     

    The Company specially prepared on-site desserts by their bakers and free beverages, and foreign bands to warm up for peak time, which attracted many visitors who were well impressed by their hearty, considerate hospiatality and warm, relaxing atmosphere.

    Last but not least of all, KOSUN also innovated on the design of exhibition stand, predominately with white and green in compliance with the idea of “Green and Environment-friendly Solids Control Equipment”.

     

  • KOSUN Black Rhino Shale Shaker to Display at 2014 CIPPE

    READ: KOSUN Shale Shaker issued in 2013 is about to show up at CIPPE this year.

    When another Spring comes, the Capital turns into hustle and bustle busy with continuous events. International petrochemical event—China International Petroleum Petrochemical Technology and Equipment Exhibition(Beijing CIPPE for short) is following the high-profile two sessions to open in Beijing, where domestic and foreign relevant enterprises will gather together in pursuit of new business opportunities. Frequent exhibitor—Xi’an KOSUN Machinery Co., Ltd. is about to show up and now still in its last preparatory stage.

    It is reported that KOSUN Shale Shaker issued in 2013 is about to show up at CIPPE this year.

    As a commonplace screening machine in industrial mining companies, shale shaker screens, classifies, washes, sculps and dewaters the materials. Technical effects, manufacture efficiency, energy saving and, consequently, economic benefits are reliant on screening machine’s technology level and quality. Due to its simplicity, large capacity and reliability, shale shaker has had an absolute head start and accounted for 95% shares in the market.

    Catering to the global demands, Black Rhino Linear Shale Shaker has been produced with choicest materials and latest techniques and been bestowed with such features as better efficiency, simple maintenance, more flexible configuration from function modularization, etc.

    Large capacity makes dual unit as efficienct as the triple one.

    By Martin Vibrating Motor with powerful G-force, Black Rhino Shale Shakers can produce significant improvement on the capacity and cuttings dryness. They averagely handle 600-750 GPM per hour for 9-10ppg-dense mud and 140 meshes. Dual unit is efficient as conventional triple unit. Under the same circumstances, its large capacity decreases the amount needed and cost.

    Function modulization produces dryer oil-based cuttings.

    Besides, Black Rhino Shale Shaker has also modulized their functions. As the bottom shaker for cleaners, it brings big economic benefits from valuable drilling fluids for its excellent performance on reducing lost mud from below cyclones.

    Also, as an independent dryer shaker, Black Rhino Shale Shaker is effective when oil-based cuttings is handled. It is proved that its further treated oil-based cuttings contains less 10% of oil content, which accords with requirements for completion well waste treatment.

    With strong adaptability, it can serve for over 8 years.

    KOSUN Black Rhino Shale Shaker fully considered all the possible drilling conditions from choosing to forging parts materials, and were fully prepared to resist heat, freeze and corrosion. It is not only reliable, but also is environmentally acceptable. It can serve for over 8 years.

    Black Rhino Shale Shaker adopts AWD Angle Adjustment System rather than conventional hydraulic hoist since it can adjust between -1°～5° by mere moves of handle without halting the machine and it is convenient for its practical control of treatment effects. Except for this, it is equipped with synchronous adjustment system for both sides, in a bid to reduce enormous lost mud. Black Rhino Shale Shaker has also got a better sliding displacement structure than the common one.

     

  • 2014 Beijing CIPPE Countdown

    The Company, in recent years, has shown up on several domestic and foreign exhibitions at their invitations, securing heavy order book at the same time. Here are a list of snapshots taken these years on Beijing CIPPE.

    Group photo of KOSUN’s exhibiters at the Exhibition
    Group photo of KOSUN’s exhibiters at the Exhibition 
     
    Group photo of KOSUN’s overal staff at the Exhibition in 2013
    Group photo of KOSUN’s overal staff at the Exhibition in 2013
     

    Again, Xi’an KOSUN Machinery Co., Ltd. is about to participate in CIPPE in 2014 with its exhibition area covering 350 m²; and its stand number to be E2160.

    CIPPE, as a regular meeting of the international petroleum and petrochemical industry, is the high-quality exhibition verified by the Union of international Fairs, that is UFI for short and is held in Beiing in Spring and in Shanghai in Autumn.

    Xi’an KOSUN Machinery Co., Ltd., “KOSUN” for short, was originally named as Xi’an Changqing Drilling Equipment Factory and Xi’an KOSUN Oil Drilling Equipment Co., Ltd.. KOSUN is mainly capable of producing such four series as oil & gas drilling solids control equipment, centrifuges, drilling waste treatment equipment and drilling security equipment, including 25 categories of products, and can also customize packaged design and matching products of oil & gas drilling rigs for drilling contractors. The products provided by KOSUN are extensively used in oil & gas drilling and workover, coalbed methane drilling, shale gas drilling, water well, geothermal well drilling, trenchless horizontal directional crossing projects, mine gravel staged treatment, tailings treatment, rive dredging works, municipal environment-friendly sewage treatment, industrial wastewater treatment, fruit juice purification, waste oil recovery and purification treatment, etc.

     

  • Common Ways to Adjust Water-based Mud Density

    READ: Water-based mud is a generic term of versatile circulating liquids satisfying different drilling requirements in exploration efforts. It is proper to apply solids control system against harmful solids and to get down nud density by input of additives or lower-density mud from identical system, etc.

    Water-based mud is a generic term of versatile circulating liquids satisfying different drilling requirements in exploration efforts. It plays a leading role in actual oil drilling operations. In terms of composition, it is a multi-phase dispersed system including bentonite, additives, weighting materials, brine and drill cuttings. In terms of fluid media, it is a drilling fluids with water as continuous fluid media. Water -based mud extends to deep well drilling mud, dispersed drilling mud, calcified drilling mud, brine drilling mud, non-dispersed drilling mud and MMH drilling mud.

    Ways to boost its density:

    1. It is better to remove coarse solids and keep bentonite and solid content within designed limits first.

    2. It is better to evenly inject weighting materials with weighting device along the cycle whose density is best kept between 0.01g/cm3 and 0.04 g/cm3(unless confronted with kick and spill).

    3. It is better to improve mud’s lubricating property with proper amount of lubricant when high-density drilling mud are made denser.

    4. After all, it is better to adjust mud properties within designed limits.

    Adjustment of Water-based Mud Density:

    1. Based on actual operations, it is proper to apply solids control system against harmful solids and to get down nud density by input of additives or lower-density mud from identical system, etc.

    2. It is better to add weighting materials and proportional weighted fluids for boost of mud density. The weighting materials can be barite, iron ore, limestone powder, and so on.

     

  • Advantages of Three-in-one Mud Cleaner

    READ: Three-in-one mud cleaner, a combination of desander, desilter and high efficient shale shaker, can further separate the smaller solid particles left in the mud after primary treatment in shale shaker for a better treatment in the following equipment.

    I. Description of Three-in-one Mud Cleaner’s Functions:

    Three-in-one mud cleaner, a combination of desander, desilter and high efficient shale shaker, can further separate the smaller solid particles left in the mud after primary treatment in shale shaker for a better treatment in the following equipment. MD Mud Cleaner can serve as independent equipment, or as spare equipment in parallel with first-stage solids control equipment–shale shaker by mere application of its underflow shaker.

    Drilling fluids enters from the mud compartment under vacuum degasser into desander via the force of its pump, flows into the compartment under desander after treatment, accesses desilter by mud pump and then goes for further treatment in decanter centrifuge through spillway trough afterwards.

    II. Advantages and Features of KOSUN’s Products:

    1. Hydrocyclones in desander and desilter are both made of wearable materials like PU, high-chromium cast iron or ceramics.

    2. Desander is flexible to work with 1-3 pieces of 10" or 12" cones, each of which has a capacity between 100-120GPM, and is capable to address solids from 45-74μm. While desilter is flexible to work with 8, 10, 12, 16 or 20 pieces of 4" or 5" cones and is capable to segregate solids between 10-44μm.

    3. Angle of the sieve beds can be adjusted manually when it is rolling.

    4. Screens are fixed by hooks for the convenience of replacement.

    5. Compared with single desander or desilter, it effectively saves time and improves treating efficiency.