GN Oil Drilling Solids Control Equipment – Page 50 – Solids Control & Drilling Waste Management

Diamond core drilling centrifuge for Mining

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GNLW223VFD decanter centrifuge is designed for mining diamond core drilling, its max rotary speed up to 4900r/min, its typical speed can reach 3800rpm and 4500rpm by providing different size pulleys, its separation point up to 2µm. This model centrifuge can be designed with a hydraulic gear box, or it can be designed with full electric drive with VFD control panel, different with the big bowl centrifuge, it has only one main motor, no back drive motor.

Since very fine solids need to be separated out in diamond drilling, GNLW223 series centrifuge is your best option for mining slurry separation. Its bowl diameter is 8.7inch, we also 14inch, 18inch, 22inch centrifuge for your choice.

Hydraulic mud system

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GN150gpm,350gpm,500gpm mud recycling system can add hydraulic leg design, this is for easy transportation, as you know, most of the drilling site is far from city and the transportation cost and crane or folk lift cost is very expensive, the traditional way is to use the crane to lift the complete mud system and put it on the truck, then you can move it from one site to another, but sometimes it is inconvenient in some jobsite.

GN designed hydraulic mud system can be lifting by the hydraulic device which is higher and wider than the trailer, so the trailer can be opened directly into the mud system , then operate the hydraulic device again to drop it down on the trailer, by this way, you do not need to rent a crane every time when you want to move the mud system to another jobsite.

Mud cleaner and Desilter

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Mud cleaner and desilter are all used for drilling fluids solids control system, what is the difference between them?

Mud cleaner could be 3 in 1 or 2 in 1, 3 in1 means desander cone, desilter cone and underflow shale shaker. 2 in 1 means desander cone with underflow shaker or desilter cone with shaker, usually it is the latter one. I mean, it must have a shale shaker in mud cleaner. Desander cone is 10 inch, desilter cone is 4 inch, their qty can be customized or according to GN solids control standard model, 1x 10”+8x 4” or 2x 10”+12 x 4” or 16 x 4”+16x 4”.

Desilter is composed of desilter cone and bracket, sometimes it has a small underflow shaker with small screen area, but most time it did not have a shaker, only desilter cones. Usually it is 4inch cone, the qty could be 8ea, 12ea or 16ea or customized according to the required treating capacity.

Barite recovery decanter centrifuge

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GN decanter centrifuge can be used for barite recovery, waste treatment, dewatering and drilling fluids recycling by use different pulleys or add VFD control panel. GNLW452 centrifuge is special designed for barite recovery.

Especially in zero-discharge closed loop system, you want to maximizing the barite recovery and recycling the drilling fluids and dewatering the discharged solids, you may need several different centrifuges in this system, 1 for barite recovery, 1 for recycling the clean drilling fluids. GN new VFD decanter centrifuge are all PLC control for user friendly.

Vibrating screen for shale shaker

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Vibrating screen is the main spare parts for a shale shaker, according to different vibrating screens, there are 2-panel shaker, 3-panel shaker, 4-panel shakers. The vibrating screen types includes steel frame screen, composite material screen, hook strip screens(flat screen and pyramid screens), GN solids control can manufacture all these types vibrating screens for world famous brand shakers and GN own brand shakers, e.g. Derrick FLC-500, FLC-2000,Brandt Kind Cobra family, MI-SWACO Mongoose PT, Kem-tron, FSI, DFE,etc.

And GN solids control keeps developing our screen quality, we made a lot of test in different jobsites worldwide, to adjust the screen according to different drilling fluids in different counties.

For GN own shakers, we have GNZS752, GNZS852, GNZS703, GNZS594 shakers models for option, GN provides our own produced vibrating screens with best price and good quality.

4-panel Shale Shaker for sale

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GNZS594 shale shaker is 4-panel shale shaker designed to replace the previous model GNZS853 shale shaker. The GNZS594 shaker screen dimension is same with MI-SWACO Mongoose screen, and we designed to use composite material Mongoose screens. Except for this, we also provided composite material Brandt Cobra screens, it lasts longer than steel frame material Brandt Cobra screen.

Technical specs of GN 4-panel shale shaker as below:

Model

GNZS594

Capacity

615GPM(140m³/h)

Motor Power

2×1.72KW

Top Shaker Screen

4 Panel 2.7 ㎡

Bottom Screen

N/A

Vibrating Strength

≤7.5G(Adjustable)

Double Amplitude

6.0~7.2mm

Deck Adjustment

-1°~+5°

Power

380V/50HZ, or 460V/60HZ or Customized

Weir Height

Buffer box back type

895mm

Starter

Magnetic force starter

Decibels

<85db

Weight

1800kg

Dimension (mm)

2937x2012x1413

Remarks

Treating capacity test from mud:1.2g/cm³density & viscosity 45s & API40 screen

Drilling Mud Decanter Centrifuge Lubrication system

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GN new designed drilling mud decanter centrifuge GNLW363G adopted a new designed lubrication system compared with traditional Chinese centrifuge, you should lubricate the equipment according to the schematic view of lubrication position, the lubrication table is showed on a steel plate which is connected by bolts with centrifuge.

The centrifuge has two lubrication points, including main bearings respectively at the big and small ends of the bowl. N220 hyperbolic gear oil should be chosen for the gearbox lubrication in winter while N320 hyperbolic gear oil should be chosen in summer.

At the factory, this centrifuge has been filled with sufficient grease at each bearing, and the gearbox and hydro-coupling have been filled with sufficient oil, which has experienced no-load running test for 4 hours. When new machine or unit after storage is again put into operation, the user should examine that whether each lubrication point, gearbox and hydro-coupling have trace of oil leakage and fill oil if necessary.

Barite Recovery Centrifuge for sale

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GNLW363G and GNLW363VFD centrifuges can be used for barite recovery when their rotary speed is adjusted to middle speed. We can provide middle speed pulley for GNLW363G centrifuge when it is used for barite recovery. GNLW363VFD centrifuge is variable frequency drive centrifuge.

When operation, increase the pond depth until the recovered solids become “runny”. Buoyant force reduces the torque to convey solids out of the centrifuge. A shallow pond creates a long beach section. Once the solids exit the pool, the extra energy required to convey these solids results in higher torque.

GN showed drilling fluids decanter centrifuge in 16th Colombia Oil & Gas Show

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GN showed drilling fluids decanter centrifuge in 16th Colombia Oil & Gas Show (XV International Petroleum Conference and Exhibition) in Bogota. GN is the only solids control equipments manufacturer who takes decanter centrifuge there, and we already sold the centrifuge during the show.

The showed centrifuge model is GNLW363G, which is high speed decanter centrifuge, it could be adjustable speed by different size pulleys or VFD control panel. We provided PLC controlled VFD control panel as option.

Application of GN drilling fluids decanter centrifuge:

1 barite recycling

2 solids control system much fine solid particles separation

3 waste cuttings management

4 dewatering system

GN decanter centrifuge in Middle East

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GN decanter centrifuge is showed in Abu Dhabi International Petroleum Exhibition and Conference (ADIPEC 2013).Below is GN exhibition info of this show:

Location: Abu Dhabi, UAE
Date: 10-13 November, 2013
Booth No.: 10230A
GN Solids Control will show there High Speed decanter centrifuge GNLW363VFD, it is mainly used for oil drilling centrifuge tank and drilling waste management plant. If you are interested in this centrifuge, welcome to visit our booth there.