Drilling Fluids shale shaker

GN Solids Control makes linear motion or dual motion shale shaker for onshore and offshore drilling rigs. This week, GN Solids Control finished 2 shale shakers for an offshore drilling company.

The 2 shale shakers are the most popular models made by GN Solids Control GNZS594. It is a 4-panel single deck shale shaker. It can either make as linear motion or dual motions while apply various vibrating motors.

GN Solids Control shale shaker is equipped with heady duty design shaker deck. The whole shaker deck of GN Solids Control shale shaker is treated by heat treatment. It enable GN shale shakers to suit for G force up to 7.5 G. If for high G drying shaker model, the G force can up to 8.0G.

The shaker deck of GN shale shaker is sealed with patent design sealing rubbers to avoid fine solids bypass and to protection the shaker deck and shaker screens during vibrating. And the patent design shaker deck sealing rubber is easy for installation and replacement.

Another big advantage of GN Solids Control shale shaker is equipped with mechanical deck angle adjustable device. Operators can adjust shaker deck angle while the the shaker is running. They do not need to stop the shakers. And plus, the shaker deck adjustment device is GN Solids Control patent design technology. It is a Synchronous lifting system, it means the shaker users can change shaker deck at either side of the shaker deck, both side with change with the same angle.

And plus, GN Solids Control is also capable to make other separation equipment for offshore drilling, like mud cleaner, decanter centrifuge, degassers, etc…

Besides shale shaker for drilling rig mud system, GN Solids Control is also capacity to make high capacity dewatering vibrating screen shaker, Classification Vibrating Screen shaker and mining vibrating screen shakers with different capacity. For more details, please contact GN Solids Control system branch: GN Separation.

Last week, GN Solids Control compete the production of 10 sets drilling mud shale shaker for an offshore drilling company in China for their international drilling activities. The shale shaker supplied for the project is model GNZS595, which is a 5-panel shale shaker.

Besides the 5-panel shale shaker, GN Solids Control also make various sizes 2-panel shale shaker, 3-panel shale shaker, 4-panel shale shaker, and double deck shale shaker. Mostly, clients prefer the linear motion shale shaker. GN Solids Control is also capable to make dual motion shale shaker. Other shale shaker supplier need to use 3 vibrationg motors to reach the dual motion: Linear and Elliptical Motion. GN Solids Control adapts 2 special design motors, Clients can adjust the motor G force to choose linear motion or Gradual elliptical motion.

GN Solids Control shale shaker is complete with 2 vibrating motors, control panel, weir feeder, composite frame pretension screens, and tool box. There is a smal collection mud underneath the shaker deck, plus, there are side discharge port at the shaker deck. Operators can choose to discharge drilling mud from bottom of shaker deck, or at side of the shaker deck.
Clients can choose any types of GN shale shaker, and combined it with desander cyclone and / or desitler cyclone to run it as desander separation, desilter separator or drilling mud cleaner.

Besides shale shaker, drilling mud agitator is another popular equipment in drilling mud solids control system. Mud agitators are widely used at shale shaker tank, mixing tank, reserve tank, suction tank to avoid mud settle down. Mud Agitator is composed of a driving motor, gearbox reduce, shaft, impeller / impeller, tank bottom stabilizer. Gearbox reduce ratio is important for the agitator performance. If the rotating speed is too slow, the mud may be settle down during and circulation. If the agitator rotating speed is too high, it may cause more fast worn out of the gearbox and may be damage the balance of drilling mud. Normally, the agitator speed should be less than 100RPM.

GN Solids America, which is located in Houston America, is a subsidiary of GN Solids Control. GN Solids Control is a professional manufacturer who is focusing on drilling mud solids control and drilling waste management. Its products covering oil and gas drilling, as well as non-oil drilling, such as water well drilling, horizontal directional drilling, piling, pipe jacking, and other trenchless activities.

GN Solids Control make various types of waste management equipment to treat the oily and non-oil slurry generated from drilling and construction field.

GN Solids America and GN Solids Control Successfully attended 2022  Offshore Technology Conference in Houston.
The Offshore Technology Conference (OTC) in Houston is the largest exhibition in oil and gas field. It takes place every year in May, the same as this year. There are many visitors in oil field coming from middle east, Africa, South America, and other areas. As the effect of covina-virus, internal trip become very difficult. There are restrictions in many countries. OTC is a good chance to meet clients there.

GN Solids America has big warehouse in Houston. Clients can get standard equipment stock equipment and replacement spare parts in Houston warehouse. This yeas, GN Solids America team take below equipment for the exhibition.

1. Screen vacuum unit. The unit is fixed under shale shaker to further recover useful drilling fluids from the drilling cuttings. It is a 100% air driven unit. A GN screen vacuum unit can be connected to 1 or 3 shale shakers.

2. Sludge and solids vacuum pump. It is also a 100% air driven device. It is specially designed for long distance transfer on solids, powder and sludge.

Replacement screens for various brand and models shale shakers. GN Solids Control makes high quality composite frame pretension screens. GN Solids Control can even make customized screens per clients drawing, and packing.

Mud tank is a basic device for drilling mud solids control system. Drilling mud tank looks sample. It seems easy for fabrication. The difficulties lie in design and pipelines to allocate all equipment. It is difficult to design the mud tanks to suit for clients demands on requested separation equipment and mixing system.

As every jobsite has different request for mud tank size, the number of mud tanks, mud tank usable capacity, the layout of mud tanks, and most clients have different request on separation equipment and mixing equipment, they request different models and numbers of shale shaker, desander, desilter, decanter centrifuge, jet mud mixer, pumps, etc… In this case, nearly every mud system is different. It is a big work to make the mud tank system designs and drawings, and need to change the designs and drawings again and again during the communication with clients. It is a huge work to make full package mud tank systems. It has high request on the manufacturers’ capability.

Shale shaker is a basic separation equipment. There are various types of shale shakers, like 3-panel shale shaker, 4-panel shale shaker, single deck shale shaker, double deck shale shaker, etc… Shale shaker is nearly used for all separation system. And it is the 1st stage solids control separation equipment in mud systems.

There is normally a sand trap under the shale shaker. The drilling fluid enters the drilling fluid mud tank system after passing through the shale shaker screen. The sand trap plays a very important role in the daily use of 80 mesh screen cloth or coarser screen cloth.

The bottom of the sand trap should be inclined by 45 ° to promote the sedimentation of large sand particles and rapid discharge outside the tank. The bottom inclined by 45 ° or more has a self-cleaning effect. The sand trap shall not be stirred, but shall enter the lower tank through overflow. Both linear and balanced elliptical motion drilling fluid shale shakers have this technology. Fine cobalt chips generally do not have enough residence time to precipitate. When cheap drilling fluid is used, the grit pump shall pump 1 ~ 2 times every 1H. At present, ultra-fine mesh screen cloth is widely used. Due to the expensive waste treatment cost and environmental concerns, such discharge is not allowed and the cost is limited.

After shale shaker, there are various types of separation equipment, clients can choose per jobsite demands and jobsite situation, like 3-in-1 mud cleaner, desander, desilter, vacuum degasser, middle speed decanter centrifuge, high speed decanter centrifuge, jet mud mixing unit, etc…

Shale shaker and Mud cleaner is the basic separation equipment in drilling mud solids control system. Shale shaker is the 1st stage solids control equipment. It is 1st separation equipment to treat the dirt drilling mud from drill holes. Drilling mud cleaner is used after solids control shale shaker. It is the 2nd and / or 3rd solids control separation equipment.

A set of dual tandem shale shaker and mud cleaner package is ready and will be shipped to a drilling company. Dual tandem shale shaker is widely used at work over rig drilling mud recycling system. The dual tandem shale shaker shipped in this project is a combination of Qty 2 GNZS594F-SHBF shale shaker, a mounting skid, and mud distribution pipelines. All of them have 2 motors on each shale shakers.totally 4 motors for a set dual tandem shale shaker package. GNZS594F-SHBF is the model of single shale shaker. It is a single deck linear motion shale shaker.

GNZS594 is the series code of the shaker model. It means the shaker screen width is 590mm. 4 means 4-panel shale shaker. F is the version of the shale shaker. S means solids control shale shaker. GN Solids Control also offers HG (high G drying) shaker for drilling cuttings management. HB means the shale shaker is equipment with back type mud distribution box. F is the design version of the shale shaker.

The mud cleaner in this system is a 1000GPM combo type 3-1 shale shaker. The model of the combo type mud cleaner is GNZJ594F-S2S12NF. It is a combination of Qty 1 solids control shale shaker GNZS594F, Qty 2 × 10 inch desander cone, and Qty 12 × 4 inch desilter cone. The under flow shale shaker model is GNZS594F. In this case, all spare parts are interchangeable with the first step solids control shale shaker. Clients are easy to stock back up spare parts and replacement shaker screens.

Chinese Lunar New Year holiday is coming in Feb. There weeks, all workshops of GN Solids Control are works with more shifts in order to finish all orders before the big holiday. A full package drilling mud solids control system will be ready soon and dispatch to sea port next week to catch the vessel.

The full package solid control system is designed and made for a European client. The client cooperated with GN Solids Control for many years. It is not the 1rst mud system the clients bought from GN. They have many similar size drilling mud system from GN Solids Control.

Below is the major equipment list of the full package drilling mud solids control system:

1) Shale Shaker. It is the 1rst stage solids control equipment for drilling mud system, and it is the major separation equipment in a drilling mud treatment system. There are 2 sets linear motion shale shaker in the mud system. Some clients will order an extra shale shaker as backup. The shale shaker model is GNZS594F. It is a 4-panel shale shaker. And it is the most hot sale shaker model from GN Solids Control.

2) Mud cleaner. It is normally 1 mud cleaner in a full package mud cleaning system. And in some jobsite, clients will use more shale shaker to replace mud cleaner. It is also called as 3-in-1 cleaner. It is the combination of a shale shaker, desander separator and desilter separator.

3) Lower/middle speed Decanter centrifuge. The model is GNLW452D. It is a 18inch bowl size middle speed centrifuge which is used for barite recovering.

4) High speed decanter centrifuge. After low speed centrifuge, there is a high speed centrifuge GNLW363C in the system for fine solids separation. As after some circulations, there will be more and more ultra fine solids inside the drilling mud, the drilling mud is weighted. High speed centrifuge will be used in this condition to reduce the mud weight.

5) Centrifugal pump. There are 6 centrifugal pumps inside the system for different functions: a desander feed pump, a desilter feed pump, 2 mixing pumps, and supercharging pump for drilling rig mud pump.

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 makes full line drilling mud solids control equipment and drilling waste management equipment. GN Solids Control is also capacity to make high quality replacement shaker screens. Besides makes replacement shaker screens for GN Solids Control own brand shale shaker and mud cleaner. GN Solids Control is also a famous screen manufacturer for various models and brands shale shaker.

GN Solids Control makes high quality composite frame pretension screen. The screen internal is supported with metal frame for reinforce. The screen external are covered by special material plastic which contains fiber glass for durable at high temperature. The external plastic is made from hot press by hot press machine. Compared with traditional metal frame, it is more environment friendly during manufacturing. And the quality is much more stable and under control. As the traditional metal frame frame cover plastic by dipping, which causes more pollution. And more man power involved during manufacturing. The quality is not stable at automatic machine production line.

Some clients may think composite frame shaker screen is an excellent screen on quality and performance, but they are not environmental friendly and a high carbon foot print for decades to come. They prefer the company to make the decision to revert back to metal frame screens to as a commitment to the environment and to reduce carbon foot print . They think Metal frame screen platform can be recycled for other manufacturing applications.

It is good question. When people talk about plastic, it may mean pollution. But this plastic which GN Solids Control use to make screens is PP (polypropylene). It is (C3H6)n only have C and H to produce CO2 and H2O if burning. This PP (polypropylene) plastic is relatively less environmental impact. And In many countries like in China, there are some companies who can do the recycling of the composite frames made by PP (polypropylene) and metal.

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

Shale shaker model GNZS594F is designed and made by GN Solids Control to treat drilling mud for oil and gas drilling, HDD, TBM, CBM and other drilling activities. It is a linear motion shale shaker.

GN Solids Control keeps optimizing the product design and material base on jobsite performance. GNZS594F is the 6th generation shale shaker from GN Solids Control. It is the latest shale shaker model from GN Solids Control. It avoids most problems happened before and add some additional features per clients’ demands to make the shale shaker more durable and more user friendly.

GNZS594F shale shaker uses the same shaker screen with Mongoose shaker. GN Solids Control also makes mud cleaner with the same under flow shale shaker GNZS594F. The hydra cyclone unit on top of the shaker deck is easy to be removed. Once remove the desander and destiler cone unit, the mud cleaner can be used as a separated shale shaker.

Compared with other brand shale shakers, GN Solids Control shale shaker owns significant advantages:
1) GN GNZS594F shale shaker is utilizing composite frame pretension shaker screen, its life time is longer than traditional metal frame shaker screen and hoop type shaker screen. And composite frame screen usable area and screen conductance is better than traditional metal frame screens.
2) GN GNZS594F shale shaker and mud cleaner is fixing shaker screens by wedges. Compared with fixing screens by bolts, wedges is a very much and easy way for screen changing.
3) The GN shaker bed below the shaker screen is made from stainless steel to have anti-corrosion features for longer life. And the whole shaker deck is after heat treatment for more durable.
4) GN Solids Control shaker deck is sealed by oil-resistant sealing rubbers. It is GN patent design. And the shaker deck sealing rubber is interchangeable. The patent shaker screen seal technology can avoid fine solids bypass, and it makes the shale shaker deck easy for maintenance.
5) Mechanical Deck angle adjustable while working system to work reliably for different drilling fluids