drilling

General description of Hydraucyclone desander desitler

Hydraucyclone is a normal parts used for mining industry, for drilling field, for waste water separation, soil depuration. In drilling field. Hydraucyclone can be used as desander desilter per different size. Or combined with shale shaker to work as mud cleaner. 

Big size desander cone normally used for mining, piling or CBM drilling.  Hydraucyclone for desander desilter in drilling fieldi usually small size:

1) Hydraucyclone for desander: 12inch, 10inch

2) Hydraucyclone for desilter: 5inch, 4inch

Main parts of Hydraucyclone for desander desitler. Take example of 4 inch desilter cone, it is components of below parts:

1) Shell

2) Cone tube

3) Drop in Apex

4) Orifice nut

When combined for a desilter machine, elbows and clamps, ball valves will be used for connection.

Principle of Hydraucyclone for desander desitler

Hydrocyclone is a cylindrical part of the conical vessel. The upper part of the internal cone section called the liquid cavity. Cone outside is provided with a liquid inlet pipe, and the liquid cavity is communicated to the tangential direction. The top of the container is the overflow port, the bottom is underflow (also called the discharging port). Cyclone size is determined by the maximum diameter of the cone. Its working principle is centrifugal sedimentation. Because of the coarse particles and fine particle size difference exists (or density difference), the centrifugal force, under the centripetal buoyancy, drag force of different sizes, due to the centrifugal sedimentation, pyramidal intermediate creates a low pressure area, forming a column of air, caused by vacuum suction effect, play, most of the fine particles in the cyclone under the actions of upper discharged from the overflow tube, heavy particles thrown to the wall of the barrel, slide along the barrel wall, from bottom outlet.

Materials ofd Hydraucyclone for desander desitler

Polyurethane is also called polyurethane formate, is a kind of polymer between the plastic and the rubber polymer materials. It has not only high strength plastic, and has the high elasticity of rubber. It is a new type of wear resistant material, an excellent comprehensive performance. It has many excellent performance, high wear resistance, in the synthetic material of the first, even more than some alloy steels. The polyurethane as hydrocyclone lining, its service life is four times of high chromium cast iron, four times eight times Ding hydrogen rubber, natural rubber. Polyurethane shore hardness in the range of 17~97 to 85~90, the best wear resistance.

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GN Solids Control only focus on top quality products, and offer with reasonable price. Since GN Solids Control company select the best quality material, and use the best machine to manufacture the solids control equipment, our market position is the best quality and reason price for China top market and international market, a little higher price than average price of our China competitors.

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For Solids Control System

  •  In Australia and New Zeland, GN Solids Control company is the only one China competitor for Local company and USA Europe company. GN Solids Control partnered with a Germany drilling rig manufacturer TT Asia, to take care of our solids control equipment business in Australia.
  • Since GN Solids Control have the CE certificate to export to Europe ,we also have the advantage for complete systems to European market.   http://www.gnsolids.com/News/156.html
  • Recently We have 2 Solid Control system building for SJ Petroleum export rig, and we have 2 Solids Control Systems for RG petroleum, and we have an order from HH (Honghua) for 4 Sets completed solids control equipment for their rigs.

GN  Vertical Cuttings Dryer

  • GN started developing the Vertical Cuttings Dryer from 2011 and have used the first Generation in 2012, we have already sold around 30 Vertical Cuttings Dryers to China and international market. Other Chinese company just start developing Vertical Cuttings Dryer from 2013, 2 years later than our company. From March 2014, we are selling the 2nd Generation Cuttings Dryer, this is the first cuttings dryer in China and applied in WBM and OBM.
  • You can check our Videos for Drilling cuttings dryer:  
  • http://www.gnsolidscontrol.com/video/vertical-cuttings-dryer-water-based-mud-drilling-waste   
  • http://www.gnsolidscontrol.com/video/drilling-cuttings-vertical-dryer-testing 
  • Many big oilfield service companies like Halliburton and Baker Huges are discussing with our company to work together for the drilling waste management equipment. GN have good business with big international companies like them.

TBM is Tunnel boring machine, it is similar to piling. It is widely used for municipal construction, like subway, tunnel, etc… There are high content coarse rock particles generated during the process. It does not have high standard for mud quantity. No need separate to very small size. It request big capacity for a rough separation, like 120m3/h or 240m3/h mud systm.

Mud plant for TBM Tunnel boring machine

It is compact mud system with double deck shale shaker, and desander hydra cyclone above the shale shaker to used as a combination of mud cleaner. 10’’ Desander cone quantity varies from 1 ~2 for different capacity (120 CBM or 240 CBM). TBM mud system use steel frame screen (e.g. 0.3mm, 0.5mm, etc…) and desander cone. Desilter normally is not used in TBM drilling mud system.

TBM Tunnel boring machine supplier:

1) Akkerman Inc  for Trenchless Tunneling Equipment 

2) Alvenius Industrier AB (Sweden)

3) Associated Polymer Services Ltd Geotechnical and Tunneling Supplies 

CBM (Coal Bed Methane) is more and more widely used. As natural gas as a clean energy type become more and more polular.

CBM (Coal Bed Methane) mud system is similar to HDD (Horizontal Directional Drilling). Compared with TBM and piling, it has a higher request on mud quality.

Mud cleaning system used for CBM drilling:

1) Per different capacity, Shale shaker is single deck or double deck, and utilize shaker screen 2 panels, 3 panels or 4 panels.

2) Desander cleaner

3) Desander cleaner

4) Mixing machine

CBM (Coal Bed Methane) machine supplier:

1) Atlas Copco (America)

2) SCHRAMM (America)

3) Sany Heavy Industry (China)

Desanding plant for TBM and mud cleaning system for CBM us different. They are not changeable. Customer should specify the rig type before order. For any questions on compact mud system, you can contact GN group for solution.

Per different control system, there are fixed speed decanter centrifuge and variable speed control (VFD) decanter centrifuge.

Features of fixed speed control centrifuge

As the bowl speed and conveyer speed is fixed, cannot be changed, fixed speed control centrifuge is easy for operation and maintenance. And price lower compared with the same model VFD centrifuge.

Feature of variable speed control (VFD) decanter centrifuge

For the same model centrifuge decanter, VFD model cost more than fixed speed. Per International Explosion-proof standard, there should be positive pressured control panel for variable speed control for better cooling. It requests more professional on operators for the VFD decanter centrifuge.

For GN design VFD centrifuge, the bowl speed, conveyer speed and feeding pump flow are all flexible. Customer can change one or all of the 3 parameters to get the best separation performance in different jobsite. An and customer can change centrifuge parameter for getting the max. capacity centrifuge can reach.

Take GNLW363BG-VFD centrifuge for example, below steps show you how to find out the max. capacity of the centrifuge

1) For a bigger capacity, we should reduce the BOWL speed and increase CONVEYOR speed.

BOWL SPEED: 2000RPM

CONVEYOR SPEED: 40RPM

Pump running model set as AUTO

Then pump will running to the max. capacity it can reach.

2) Or you can try more settings to compare the capacity, with pump AUTO running:

a. Bowl 1600rpm, Conveyer 34rpm

b. Bowl 1800rpm, Conveyer 38rpm

3) The back drive motor is opposite rotating under low speed and high conveyer. If centrifuge shut down during running , reduce Conveyer speed.

4) For this centrifuge, the max. capacity will be not over 30cbm. As the pump max. capacity is 30cbm.

Features of GNZS594 4-panel high G force drying shaker

GNZS594 is a high quality 4 panel high G force drying shaker for drilling waste management system. The drying shaker with adjustable high G force up to 8.0G. It is suitable for difference job site application, from mud solids control to drilling waste management.

Furthermore, shaker screen of GNZS594 high G force drying shaker is interchangeable with Swaco Mongoose shaker. It can minimize customer’s storage cost. The customer is easy to source replacement shaker screen locally. They can storage for screen for their own use as well as distribute to other customers.

Parameters of GNZS594 High G drying shale shaker

Model: GNZS594HGE-LD

Vibration Mode: Linear Motion

Capacity: 140m3/h(616GPM)

Vibration Motor: 2×1.94Kw

Screen Qty: 4pcs

Screen Size: L×W: 585×1165mm

Screen Area: 2.73m2

Adjustable G Force: ≤8.0G

Vibration Amplitude: 4.4~6.34mm

Deck Angle Range: -1°~+5° (Adjustable)

Feeding Type: Hopper Feeder

EX Standard: ExdIIBt4 / IEC EX/ ATEX

In which system GNZS594 –panel drying shaker can be used

1) Water based mud drilling cuttings treatment. It is used as a dryer to drying the OBM cuttings. The fluids phase will be further treated by decanter centrifuge with high speed.

2) In some cases, GNZS594 –panel drying shaker can also be used to treat oil based drilling cuttings, as an alternative of vertical cuttings dryer. But it cannot separate as dryer as vertical cuttings dryer.

3) When reduce the G force (normally around 6.0 G ~ 7.0 G )and change the feeding type, it can be used as a normal mud solids control shale shaker at mud cleaning system.