HDD

3 sets GN fast removable mud recycling system for HDD rigs will be dispatched to the client this week. It is customized system for CPP rigs. CPP engineering team visit GN factory and check the system before dispatch and very satisfied. They are happy with the system quality and thanks very much for the continue technical supporting of GN Solids Control for the years. Till now, they have over 35 sets compact mud recycling systems from GN Solids Control. Most of the systems are for 500GPM capacity.

The 3 new systems are customized with 500gpm capacity also, but can up to as 1000GPM mud system capacity when needed.
The 500gpm ~ 1000 GPM mud recycling systems are composed of below equipment:
1) Mud tank 1 ea. The size of the tank is the same with 20ft standard container, and equipped with ISO blocks. Walkways and handrails are all foldable type design for fast movement. During inland shipment, the users no need to remove the walkways and handrails, they only need to take off the pin shaft and supporting beam of walkway, and fold up the walkway and handrails to the tank side wall.
2) Mud cleaner desander (model GNZS706E-2S) with double deck shale shaker. It is the combination of a double deck shale shaker and 2 each 10’’ desander cones. The bottom shaker deck can be used as solids control shale shaker for preseparation.
3) Mud desilter cleaner (model GNZS706E-8N) with a double deck shale shaker underneath. The bottom deck of the shaker will be used as solids control shale shaker.
The 1 ea desander mud cleaner and 1 ea desilter mud cleaner are mounted in a lifting frame, they can be moved as a compete part during shipment when needed.
4) Feeding pump for desander and desilter cones are mounted in the slope of the mud tank for a compact design.  
For other sizes of GN mud recycling system for HDD rigs, please you visit GN website or contact GN company for details.

GN
mud system is working for many HDD drilling client, both in local market and
overseas marketplace. Good performance mud system can help to improve the
drilling proficiency, thus to improve the production associated with contracts.
GN Solids Control mud system including 200gpm mud system, 500gpm mud system,
800gpm mud system, 1000gpm mud system and so forth

GN Solids Control is definitely China leading manufacturer to get HDD
drilling mud system
, compact design with much smaller presence. CPP is
China greatest HDD drilling company, they have got over 30 sets mud system from
GN and in addition they give us feedback many times every year to help to
improve the design of GN mud system. After many years jobsite experience piling
up, GN mud system design and style is much more user friendly. Even compared to
US brand / American brand mud system dealer, GN Solids Control mud system is
much more cost-effective.

Lately, we have 2 sets 500gpm mud system delivery to help Middle East Drilling
consumer. The basic configuration of the mud system including:

1) Just one set shale shaker GNZS703E-DZ, this is GN 3 panel shaker specialized
for HDD drilling. We also have several panel shaker for choice. GNZS594E-HB
shaker is mostly employed for oil drilling, longer shaker deck with 4 panel
composite material shale shaker
screen
can reach much better effectiveness than 3 panel shakers.

2) One set mud cleaner
GNZJ703-1S8N. This is a few in one unit mud cleaner with shale shaker and also
desander unit & desilter unit. It contain only two phase separation steps,
yet only one unit, much sleek and stylish design. The deck shaker is same as
shale shaker in above, same replacement parts, much convenient for replacement
components stock.

3) Three models centrifugal pump GNSB 6X5-12J. One pump is nourishing for
desander cones; another one pump feeding regarding desilter cones; the last a
single pump for transferring the particular mud out to rig.

4) Mud hopper installed benefit of the mud tank, intended for mixing
chemicals, like bentonite / barite. Some consumer want the mud hopper installed
downside the mud tank, easy for mixing. In this instance, we may offer one
fixed jet mud mixer together with one mud hopper along with one pump installed
on exact same skid plate. This portion can be customized as per clients’
requirements. 

GN Solids Control is China leading manufacturer of compact design mud recycling / cleaning system for HDD, CBM drilling and water well drilling. GN mud desanding plant for micro tunneling, piling and other trenchless activities is also sold well.
GN 500 GPM mud recycling system for HDD and water well drilling has be dispatch for Middles East. The system is catering for mobile unit, and can be used for water well drilling, horizontal directional drilling (HDD), Coal bed methane (CBM drilling), as well as oil and gas drilling.

Equipment included in the 500GPM Mobile unit mud system:
1) GNZS703E-ZD shale shaker, 1 ea
It is a linear motion shale shaker with 3 panels. The shaker is equipped with back type feeding box for a lower feeding height. In case the mud will be flowed to shale shaker directly through pipelines.
Features of GNZS703E shale shaker
a. It utilizes the most reliable linear motion for a stable performance.
b. The shaker model utilize pretention screen, Each screen mounted by 2 ea wedge for fast screen changing.
c. The shale shaker deck of GNZS703E shaker is made from stainless steel material for a better performance of anti-abrasive and longer lifetime.
d. The dumpling spring of the shaker is steel material internal for more stronger and better performance of vibration desorption. The spring external is protected with rubber sleeve to prevent fingers involved in during operation.    
e. The vibration model is chose from worldwide famous brand: Italy Oil or Martin.
2) GNZJ703E-8S desilter mud cleaner
It is the combination of a shale shaker GNZS703E and 8 ea 4’’ desilter cone assembly. The 4’’ desitler cone is made from PU material for long lifetime.
And the cone assembly is removable. In case needed, the Operator can bolt off the desilter cone assembly and mounted a feeder box and use it as a separator shale shaker.
3) Slurry pump 1 ea. In case mud maybe stocked in mud pit, a slurry pump is used as backup.
3) Mud tank 1 ea. The mud tank is equipped with container block for easy mounted and clocked on the trailer.

image

Oilfield screen shaker separator normally called oilfield shale shaker or screen separator. It is the first step solids control equipment used in oil field and other drilling activities. It is the necessary solids control equipment for mud systems, no matter for oil and gas drilling, HDD, CBM, TBM, or piling.

image

Per the motion type of screen shaker separator, there are linear motion screen shaker separator and balance elliptical motion screen shaker separator.  
Oilfield screen shaker separator is normally linear motion type. And linear motion screen shaker separator is the most popular and long history type. Linear motion is more reliable. It can suits more kinds of jobsite condition.
While Balance elliptical screen shaker separator is very limited with jobsite and mud condition. When there are big load of mud, or the mud fall onto screen shaker deck unequally, the motion will be damaged and the BEM shaker cannot be working well. Mud will be over flow.

Per shaker deck quantity, there are single deck screen shaker separator and double deck screen shaker separator. Double deck screen shaker separator can be used for scalping shaker separator. The top deck use coarse mesh screen for pre-separation, while the bottom deck use normal mesh wire screen per jobsite condition.

Per the difference of applications and G force, screen shaker separator can be divided into solids control screen shaker separator and drilling waste management high G screen shaker separator. Beside the application G force is different, for solids control screen shaker separator and drilling waste high G force screen shaker separator, the feeding type of the 2 screen shaker separator is also different.
Solids control screen shaker separator is normally use top type or back type weir feeder, or box feeder, while drilling waste screen shaker separator is use hopper feeding.
Solids Control screen shaker separator can be fed by slurry pump or fed directly from the rig manifold under gravity. While drilling waste screen shaker separator can be fed by screw conveyer or cuttings transfer pump.  

GNLW452 is an economic standard decanter centrifuge. It is specially designed and made by China top solids control manufacturer – GN Solids Control Company. It is a basic centrifuge model for middle speed. It is widely used for barite recovery. Another popular function is to reduce the weight of high gravity mud, like used in HDD mud system to reduce the weight of the mud.

Parameters of GNLW452 middle speed decanter centrifuge for mud recovery system or barite recovery.

Dimension: The centrifuge is with 450 mm (18 in) bowl diameter and 1105 mm (43 in) in length. So some customer called it big bowl centrifuge.
Speed and G force: The max. bowl speed is 1800 rpm and the typical speed is also 1800 rpm. G force under 1800rpm is 815. Differential speed is 32rpm @ 1800rpm. In some cased, drilling site may need a lower speed, in the condition that, the mud weight is big, or want a bigger capacity, GN Solids Control can offer another set of pulley and belt to get a lower fixed speed, like 1200 rpm. In this case, customers only need to change the pulley and belt to lower down the speed.
Separation point: 5~7 microns. It means, it can remove solids bigger than 5 ~ 7 microns. Bigger than this point, the solids will remain in the mud. For HDD mud recovery system, this separation point is good. And when GNLW452 is used for barite recovery or used to reduce the weight of the mud, it is mainly used for pre-separation. There normally will be another set of high speed centrifuge for fine solids separation.
Recommended feeding pump for GNLW452 centrifuge is 11kw (15hp) screw pump. GN Solids Control recommended German brand NETZSCH pump feeding for the centrifuge.

Advantages of GNLW452 middle speed decanter centrifuge for mud recovery system or barite recovery
1) Single motor design for more compact design
2) Screw protection is interchangeable ceramic tile for longer lifetime and easy maintenance.
3) Screw flow distribution port and bowl solids discharge port protected by tungsten carbide alloy.
4) Easily adjustable liquid discharge weir height for flexible application.