CBM drilling

GN Solids Control Desanding unit provide economic solution to treat the dirty mud generated from trenchless projects, like Bored Piling Slurry desanding, TBM slurry treatment, HDD mud recycling, as well as water well drilling mud treatment, and so on.

This week, GN Solids Control finished 4 packages mud cleaning unit for an Asia client. The mud cleaning units will be used for desanding at trenchless and pipe jacking projects. There are 2 models included in the 4 packages mud cleaning unit.

There are 2 packages of GNMS-1500D desanding plan. The handling capacity of the GNMS-1500D unit is up to 1500GPM. The major separation equipment is double coarse shale shaker GNZS707, which is a double deck shale shaker for coarse solids separation. After pre-separation shale shaker, there are number 2 desander cone with size 16 inch for big flow mud treatment.

Another 2 packages desanding unit is smaller capacity, the model is GNMS-1000D. The handling capacity is 1000GPM. The pre-separation shale shaker model is GNZS705. After shale shaker, the desander cone size is 10 inch with quantity 2.

GN Solids Control utilize high quality PU material desander cones for longer lifetime. The separation shake screen is made by 100% PU or by steel with big opening. Clients choose the right screen opening to reach the separation result.

Besides the 1000GPM and 15000GPM mud desanding plant, GN Solids Control is capable to make other smaller size and bigger size mud recycling and desanding unit, it includes but not limited to below models:

Some small Desanding Plants designed and made by GN Solids Control:
Desanding Plant model GNMS-200D, the design Capacity is 200GPM, 50m³/h.
Desanding Plant model GNMS-500D, the design Capacity is 500GPM, 120m³/h.
Desanding Plant model GNMS-1000D, the design Capacity is 1000GPM, 240m³/h.

Some big Desanding Plants designed and made by GN Solids Control:
Desanding Plant model GNMS-360M, the design Capacity is 360 m³/h
Desanding Plant model GNMS-500M, the design Capacity is 5000 m³/h
Desanding Plant model GNMS-1000M, the design Capacity is 1000 m³/h
Desanding Plant model GNMS-2000M, the design Capacity is 2000 m³/h
Desanding Plant model GNMS-3000M, the design Capacity is 3000 m³/h

GN Solids Control make small footprint solids removal unit (SRU) for diamond drilling and mining industries. solids removal unit (SRU) can help to separate the liquid and solids in the slurry waste generated from such mentioned drilling activities. After the shale shaker and centrifuge separation, the dry solids waste is with little water content, the volume is much smaller than the original waste. And it is easy for transport. And the solids waste can be used as construction material. The recovered liquid phase is with less solids, it can be reused for drilling and mud mixing.

Besides the shale shaker and decanter centrifuge separation, GN Solids Control equipped a small size mixing hopper with a mixing pump to prepare qualified new drilling mud to support a continue diamond drilling and mining activity.

The dirty drilling mud from drilling collar is first collected in a mud storage tank. There is a submersible slurry pump allocated on the storage tank to feed the dirty mud to shale shaker for coarse solids separation. The shale shaker is the 1st stage separation. GNZS752 shale shaker is used in the process. It is a min size shale shaker with single deck and 2 screen panels.

The coarse solids will be screened and discharged from the small shale shaker, the liquid phase will pass the screens and fall down into the #1 sand trap of the mud tank. And then there is a screw pump will suck the liquid from sand trap and feed to high speed decanter centrifuge for fine solids separation.

The replacement screens on the mini size shale shaker GNZS752 is fine in order to remove more solids phase, and to maximum reduce the mud weight. And it is to ensure that, after the shale shaker separation, the recovered liquid phase is qualified for decanter centrifuge separation. After centrifuge separation, the clean liquid will flow to the 2# centrifuge tank.
The mixing pump is capacity to suck the drilling mud from #1 sand trap and #2 centrifuge tank, with the power adding from the mixing hopper, the qualified new drilling mud will be send back to the tank compartment and waiting for sending back to rig via s supercharge pump.

Besides the 9 inch mini size decanter centrifuge, GN Solids Control is capacity to make other big sizes for various application, it includes but not limited to drilling mud solids control system, waste water dewatering system, oil sludge separation system, and drilling waste management system, etc…

During the 1st snowing day of the winter, GN Solids Control workers keep working. The well packed equipment were dispatched from GN Solids Control factory batch by batch.

A full package of GNTBM-360 Slurry Separation Plant was shipped to the nearest seaport. Handling capacity of the system is up to 360m3/h.It will sail for a pipe jacking engineering company. GNTBM-360 is a compact design Slurry Separation Plant with small footprint. Although the design of GN seperation plant is very compact, there are 3-stage solids control separation equipment included in the unit. It can be used by tunnel boring machines(TBM), piling, pipe jacking, etc…

There is a coarse separation shale shaker equipment in the GNTBM-360 Slurry Separation Plant for the pre-separation. After that, recovered drilling mud will be fed to a double deck mud cleaner for bottom deck shaker separation. And then drilling mud can be pumped to desander cyclone and desilter cyclones for the 2nd stage and the 3rd stage separation.

Heavy duty slurry pumps are used in GN slurry separation plant to feed dirty mud to shale shakers. And than centrifugal pump, also called as sand pumps are used for desander and desilter feeding. In case of decanter centrifuge is applied for fine solids separation, submersible slurry pump or screw pump can be used for mud feeding.

The GN Solids Control Slurry separation unit is popular for project of AVN Machines , Mix shields  or Shaft Sinking Machines. GN Solids Control utilize shale shakers, desander, desilter, as well as decanter centrifuges to process liquid and solids separate, and remove the excavated solids from the bentonite suspension – a mixture of water and thixotropic clay. The cleaned fluid is then transferred back to the slurry circulation.

Besides the GNTBM-360 for 360m3/h capacity, GN Solids Control can make Small Size:GNTBM-120M (120m³/h), GNTBM-240M (240m³/h),GNTBM-360M (360m³/h), GNTBM-500M( 500m³/h)

Big Size: GNTBM-900M (900m³/h), GNTBM-1200M(1200m³/h), GNTBM-1400M (1400m³/h), GNTBM-2000M (2000m³/h), GNTBM-2800M (2800m³/h), GNTBM-3600M(3600m³/h)

 

This week, GN Solids Control finished some Drilling Mud Treatment system for overseas engineering service companies.

One of the drilling mud treatment system is a GNMS-500D Desander Unit. It is also called as desanding plant. The handling capacity of the GNMS-500D desanding unit is 500GPM. It is equipped with a combo type double deck shale shaker. Feeding pump and electrical control system are included in the the system for turn key solution.

GN Solids Control Desanding Plant is the economic way for the no-dig mud recycling. It is popular for Bored Pile Slurry desanding plant, micro tunneling sand treatment, TBM slurry treatment, HDD (trenchless) as well as water well drilling etc.

Other drilling mud treatment system is GNLW224ET-VFD Decanter Centrifuge Unit. The 9 Inch Decanter Centrifuge is a Mini centrifuge with small size for industrial application. GNLW224ET-VFD is a small size Decanter Centrifuge. The Bowl Diameter is 220mm (9 inch) and he bowl length is up tp 924mm (36.4 inch). The bowl diameter and length ratio is up to 4.

The fine solids removal unit includes a 9 inch bowl baby centrifuge for fine solids separation. The mini decanter centrifuge and the Centrifuge feeding pump are all located on a holding tank. There is a VFD control panel also located on the same tank to offer control to the whole system. With the VFD control panel, the typical speed of the 9 inch decanter centrifuge is adjustable from 1 to 4500RPM.

The bowl of the centrifuge is 9 inch (220mm). As the compact design, it’s popular for client to use it in small capacity or limited space application for solids and liquid separation. The 9 inch decanter centrifuge is also considered to be the ideal choice for experiment testing with decanter centrifuge. GN 9 inch decanter centrifuge is optional in three types includes: fixed gear box drive, fully hydraulic drive, and variable frequency drive.

A customized drilling mud processing system is is ready for shipment at GN Solids Control Beijing factory. It mud cleaning system is composted of a mud cleaner, a mixing hopper, and a centrifugal pump for mud mixing and transfer.
The drilling mud cleaning and mixing system is designed and made by client’s request to suit his drilling mud situation. Normally, mud cleaner is equipped after a pre-seperation shale shaker. But in this mud cleaning system, the first separation equipment is mud cleaner.

Drilling Mud Cleaner

Drilling Mud Cleaner

The reason why the client do not use shale shaker is that, they said the solids content in the mud is not much high. And mostly are fine solids. In this case, the drilling mud can be separated by mud cleaner directly. It is to save cost. As once the shale shaker is running, clients need to replace shaker screen periodically. It is a continue cost for operation. While delete the shale shaker, the system can meet client’s request. It can save the cost of shale shaker, and furthermore, the can reduce wearing spare parts shaker screen cost.

But if the solids content is high, or the particle side is big, which is over the hydracyclone separation point and its mud handing capacity, it is better to use a shale shaker before the mud cleaner. At one hand, the shale shaker can reduce the flow rate which feed to the mud cleaner. At another hand, after the shale shaker separation, the solids content will be reduced, and the big size particle are total removed based on the shaker screen API size and cut point. It can increase the hydraucyclone separation efficient, and also to avoid the fast wear out the hydraucyclones. 10 inch desander cone and 4 inch desilter cone are the most popular cyclone sizes used for drilling fluids separation system. Operator can choose the to use only desander cone or desilter cone, or both based on the mud condition and their budgetary. Desander and / or desilter cone quality depends on the handling capacity of the whole system.

Drilling Mud Centrifuge

Drilling Mud Centrifuge

Feeding pump for mud cleaner is centrifugal pump. The centrifugal feed pump is located on tank slope for compact design and for maximize the total tank usable volume.

After the mud recycling and mixing system, a drilling mud decanter centrifuge is used for fine solids separation. As there will be more and more fine and ultra fine solids after some circulation of the system. Decanter centrifuge will be used to reduce the mud weight.

A set of GNMS-1000D mud recycling system and a 18 inch decanter centrifuge is ready for shipment. They will be shipped for a trenchless drilling project. GNMS-1000D is a Mud Treating & Recycling System. The mud cleaning system is designed and manufactured according to the needs and requirements of customers. GNMS-1000D mud recycling system is specially designed to treat the drilling mud in mining industry, piling machine, HDD (horizontal directional drilling) and other trenchless drilling activities. The treatment capacity of GNMS-1000D mud recyling system and cleaning system is up to 240m³/h.

1000GPM Mud Recycling Unit

A double deck shale shaker is used in the GNMS-1000D mud cleaning system. There are 2 sets of 10 inch desander cone assembly on top of the double deck shale shaker to use as a mud cleaner. The advantages of a single deck mud cleaner is that, it has the function of both shale shaker and cleaner and the footprint if small while with the compact design. The dirty mud will be fed to bottom shaker deck, which is mounted coarse shaker screen. The centrifugal pump is located on the tank slope to feed for the desander cleaner. Besides GNMS-1000D mud recycling system, GN Solids Control makes other capacity drilling mud cleaning system for trenchless drilling rigs: D Series Mud Recycling Models: 1) GNMS-200D mud cleaning system with handling Capacity: 200GPM, 50m3/h 2) GNMS-500D mud cleaning system with handling Capacity: 500GPM, 120m3/h 3) GNMS-1000D mud cleaning system with handling Capacity: 1000GPM, 240m3/h 4) Other models can be customized according to clients special request. GNLW452 is an economic standard decanter centrifuge. It is a 18 inch big bowl centrifuge. But the bowl diameter and bowl length ration is only 2. And the max. Bowl speed of the GNLW452 centrifuge is 2200RPM. It is a single motor decanter centrifuge with fixed speed control. VFD control is available if requested by clients. The centrifuge is widely used for trenchless drilling mud treatment, and oil & gas drilling mud barite recovery.

500GPM and 1000GPM are the most popular size drilling rig mud recycling system for Horizontal directional drilling, water well drilling, Coal bed methane drilling, and other trenchless drilling rigs.
500GPM mud recycling system is mostly a compact 1-tank system complete with separation equipment and mixing unit for compact design and easy movement.

Regarding 1000GPM mud system system, clients can choose 1-tank system or 2-tank system. 3-shaker mud recycling system and 4-shaker mud recycling system are the most popular proposal. 3-shake mud recycling system means 2 shale shakers plus a mud cleaner (3-1 mud cleaner, desander mud cleaner, or desilter mud cleaner).

Equipment list for 1000GPM mud system is normally as below:

1) At least 2 sets shale shaker. 4-panel or 3-panel shale shaker model are both fine. Single shale shaker model is min. 500GPM capacity. So for 2 shale shakers the handling capacity can reach to 1000GPM minimize.

2) 1 set of mud cleaner c/w shale shaker, desander and desilter, mud capacity is at least 1000GPM. It is the full functional and with compact design. As a 3-1 mud cleaner can save footprint. If clients want to reach a better separation performance, they can also choose a separate desander mud cleaner, or a desilter mud cleaner. Regarding the desander mud cleaner and desilter mud cleaner, clients can choose to equip with the same under flow shale shaker as the first stage shale shaker, or a mini size shale shaker with 2 screen panels. Clients can also choose a small desander or desander without shale shaker.

3) Feeding centrifugal pump for mud cleaner is 45kw or 55kw. The feeding pump can be located on tank skid or tank slope.

4) Mixing unit is C/W 6 inch mixing hopper. Mixing pump can be 45kw or 55kw. It is better to be the same model with mud cleaner feeding pump.

For 3-shaker system, all separation equipment and the mixing unit can be located on the same mud tank for company design. But if it is 4-shaker mud system, the first tank is recycling tank with separation equipment, the next tank is mixing tank.

GN Solids Control is focusing on the full package of drilling mud processing system. As GN Solids Control makes full line drilling mud processing equipment. They know well about the equipment. GN Solids Control can offer professional proposal of drilling mud treatment system and mud mixing unit. All processing equipment and the tank volume should be match to each other.

For example, if the total shale capacity is max. 160m3/4 or 200m3/h, but the desilter and desilter capacity is 240m3/h. And feeding centrifugal pump and mixing pump are 55kw or above. The system is not reasonable. As the 1rst stage separation equipment, the shale shaker capacity should be bigger than the next step separation equipment. Otherwise, if the mud flow is big, the shale shaker will overflow. Or if the mud flow is small for the shale shaker to handle, but the desander and desilter pump are too big, it will cause pump suction air. And the hydrocyclone separation performance is not good in condition the feed flow is too small. The client need to increase shale shaker capacity, or decrease pump and mud cleaner capacity to suit for the mud pump capacity.

Every jobsite is different. Every client has his preferable. In order to offer a suitable mud system design to suit for the job site situation, as well as client’s special requirements. Below are some questions to let GN Solids Control knows more about clients request.

1) what is the rig horse power of the system for, or what is the mud pump horse power or capacity? The whole mud system handle capacity should suit to the mud pump capacity.
2) What is the total tank volume the client prefer?
3) How many tanks the client prefer?
4) What is the max. Tank size (L × W × H) the client can accept to suit for their local shipping regulations?
5) What processing equipment they prefer to equip inside the system? Shale shaker, mud cleaner, desilter, desilter, mud cleaner, vacuum degasser, decanter centrifuge, etc..Which processing equipment they want?
6) What is the Voltage and hz for the mud system?
7) What is the explosion proof standard, CNEX, ATEX, or international IECEx standard?
8) Additional requirement and any special requirements if there, like do they want trip tank, pill tank, water tank, etc…

GN Solids Control is one of the well-known International Brand for drilling Mud Solids Control System & Drilling Waste Management system. GN Solids Control offers the one stop solution for Solids Control treatment of oil gas drilling, CBM drilling, HDD, and water well drilling as well as the construction drilling mud treatment etc.

Nearly all drilling mud processing equipment containers shaker screen separation. Replacement shaker screen is a major wearing spare parts for drilling mud system. And it is a big and continue cost. GN Solids Control is specialized in high quality replacement shaker screen for various popular shaker models. GN Solids Control has his own R&D department for shale shaker screens. Clients can also contact GN Solids Control to make customized shaker screen.

Most solids control equipment manufacturer only make some kinds of processing equipment. Like some companies make shale shaker, mud cleaner and agitators, but they are not capacity to make decanter centrifuge or cuttings dryers. Some companies are only capacity to make centrifuges for various industries, they cannot make solids control separation equipment, like shale shaker, mud cleaner, degasser, etc…While some companies are only make pumps, they cannot make separation equipment. And there are some companies only make mud tanks, they are not capacity to make solids control separation equipment by themselves.

GN Solids Control is focusing on full line solids control equipment for various drilling mud. GN Solids Control is specialized in drilling mud liquid and solids separation. All the separation equipment are made by GN Solids Control. In this case, GN Solids Control knows more about the separation equipment, and can offer more reasonable proposal.

Furthermore, electrical control system is another essential point for separation equipment, especially VFD smart control panels for decanter centrifuges. GN Solids Control has his own electrical control department. GN Solids Control electrical engineering business department has comprehensive ability to provide solution for explosion-proof electrical control. GN is able to provide the electric control system, explosion-proof electrical enclosure design and development, fabrication, site installation, program debugging, and other services.

GN Explosion Proof Certification: GN Solids Control electrical control products have been certified by China National standard CNEx, International standard IECEx and European standard ATEX certificate, which enable GN’s products to meet high level market requirements.

GN Solids Control made a small liquid and solids separation system. The small system is customized for an Europe company per clients request. The client asked for a small recycling unit with cleaning capacity of about 12-15 m³ / hour. The client wants a small single centrifuge in the small recycling system.

GN Solids Control customized a compact system which is composed of a small size shale shaker and a mini size decanter centrifuge. The shale shaker and decanter centrifuge are located on a mud tank together with a centrifuge feeding pump and electric control cabinet for the whole system. Tank size for the whole system is 3900Lx2250Wx1300H (mm) for easy movement. It is a small capacity recycling system with turn-key solution. All connections inside the system are included.

The Shale shaker separator model is GNZS752F-MDZF. It is a 2-panel small size shale shaker with small footprint.

The Decanter centrifuge model is GNLW223D-VFD. It is a 9” baby centrifuge for fine solids separation. The Cut point of GNLW223D-VFD centrifuge is 2 ~ 5 microns.

The color, brand and logo are all customized per client’s request. GN Solids Control is capable to make other customized system per clients job site situation. Clients can contact GN Solids Control sales engineer to get customized solutions.

Besides the small mud recycling system, GN Solids Control makes various sizes of Mud Recycling System for HDD, water well drilling, Trenchless, Piling and TBM activities.

The major applications of GN mud recycling system covers below field, but not only limited to below:
1) Trenchless HDD Project
2) Bored Pile Project
3) Micro TBM (Tunnel Boring Machine)
4) Diamond Drilling, Water Well Drilling etc

Below are some Mud Recycling desanding plant Models GN can make:
D Series Mud Recycling Models:
1)GNMS-200D Capacity: 200GPM, 50m3/h
2)GNMS-500D Capacity: 500GPM, 120m3/h
3)GNMS-1000D Capacity: 1000GPM, 240m3/h
4)Other models should be customized per clients’ request