Drilling equipments Company

Centrifuge separator is a relative complex separation equipment. Centrifuge manufacturing have high request on production machines and the design ability of the companies. In this situation, few solids control manufacturer have the capability to design and make centrifuge separators. GN Solids Control is among the few companies who can make full line solids control equipment and drilling waste decanter centrifuge.

Besides solids control equipment, centrifuge is a major separation equipment designed and made by GN Solids Control. Besides the oil field decanter centrifuge to treat drilling fluids and drilling cuttings, oil field oil sludge, GN Solids Control also design and make 2-phase and 3-phase decanter centrifuge and disc centrifuge to treat sewage waste and industry waste water.

This week, GN Solids Control factory is working on the assembly and commissioning of a package of decanter centrifuge. The decanter centrifuge package is customized and made for chemical engineering projects for clients in China. It is a customized decanter centrifuge specially designed for chemical industry separation. The bowl design is much different with the oil field decanter centrifuge and sewage waste centrifuge.

It is a big bowl high speed decanter centrifuge equipped in the industry engineering project. The decanter centrifuge will be used to treat liquid chemicals. Besides oil industry separation and chemical engineering separation, GN Solids Control centrifuge can also be used in below applications:
1) GN Solids Control makes centrifuge separator for sludge dewatering, mud dewatering and suspensions.
2) GN Solids Control can design and make centrifuge to clarifying different types of liquids.
3) GN Solids Control can design and make centrifuge for sludge / mud thickening.
4) GN Solids Control designs and makes 3-phase decanter centrifuge / disc centrifuge to separate 3-hase mixtures, it is mainly two immiscible fluid phases and a solid phase. E.g.: oil, water and soil.
5) GN Solids Control designs and makes centrifuge to classifying solids in a wet suspensions to recover a certain size solids.
6) GN Solids Control designs and makes centrifuge for the separation of solids according to various densities

High G drying shaker and vertical cuttings dryer are the major products for drilling cuttings treatment. This week, some sets of high G drying shaker are vertical cuttings dryer are packed for shipping to an offshore drilling company. The high G drying shaker are installed on a small holding tank. There is a centrifugal pump used as transfer pump to transfer mud out from the small holding tank.

The different is that, high G drying shaker is mainly used to separate water base mud and water base cuttings. While vertical cuttings dryer are used to treat oil base mud and oil base cuttings. In some cases, vertical cuttings dryer can be used to treat water base cuttings. But it is easier to be blocked than high G drying shaker.

High G drying shale shaker utilize API RP13C complied shaker screen. Operators can choose suitable API screen to reach the expected cut point. But vertical cuttings dryer use screen basket. Most supplier can only offer 2 sizes of bigger opening screen baskets. GN Solids Control offers 3 options of screen basket: 0.25mm, 0.35mm and 0.5mm. Operators can choose the suitable size per his job site situation and their performance demands. Generally speaking, the fine opening can get more clean liquid, and it may cause more block than big size screen opening. And the more the feeding flow rate, the wetter in the solids discharge.

Vertical cuttings dryer itself cost higher than high G drying shaker. And its motor power is much higher than high G drying shale shaker. But while be used to treat oil base mud, Vertical cuttings dryer can reduce the oil on the cuttings to 3% ~ 5%. But the high G drying shaker can only reduce oil on cuttings to 10% ~ 15%. There is a much difference.

Normally, water base mud is used at the the early drilling sections, and oil based mud is used at deeper drilling. In this case, some clients will choose both high G drying shaker and vertical cuttings dryer to treat WBM and OBM separately. Clients can also choose neither high G drying shaker or vertical cuttings dryer per their job site situation.

GN Solids Control is a professional manufacturer on drilling mud solids control system and drilling waste management equipment. GN Solids Control has branch companies in Russia with branding name GN Solids Russia, and a branching company in Houston U.S.A with branding name GN Solids America. GN Solids Control also has a sister company GN Solids Separation which is focusing on conveyor and separation equipment.

Although the COVID-19 damage the worldwide economic, with the application and promotion of vaccine, the situation becomes better and better, and our world start to get to normal. The oil field and industry field is also recovered.

Drilling mud mixing tank and drilling mud mixing unit are widely used in various kinds of drilling rigs and engineering works. In the middle of March, GN Solids Control finished the manufacturing of a dual mixing system which is complete with a mixing hopper unit and centrifugal pump. The drilling mud mixing system is prepared for an engineering company in China.

Below is the flow line description of the drilling mud mixing tank unit.

The drilling mud mixing system includes 2 small vertical circular tanks. The jet mud mixing hopper and centrifugal pump is used to transport the drilling mud chemicals to the first tank. Two centrifugal pumps connected in parallel are connected to the tank through manual butterfly valves.
Through the opening and closing of the butterfly valve, any centrifugal pump can be used to transport chemical agents. After the first mud tank is fully stirred, the qualified mud is transported to the second tank through the connecting pipeline, and the mud can be directly used for the drilling rig. In order to ensure uniform mixing of drilling mud, each mud tank is equipped with a mud agitator.

Besides the dual tank mixing system, some sets of jet mud mixing unit are ready for delivery to clients’ job site. The mixing unit is composed of Venturi hopper and centrifugal mixing hopper, which are located on a skid and connected by pipelines. GN Solids Control can also makes EX control panel to complied with different market standard. GN Solids Control has EX certificate to accordance with CNEX, ATEX and IECEX.

For any questions or inquires, clients can contact GN engineering team to get solution.

Some sets of drilling mud vacuum degasser and centrifugal pumps are ready for shipment last week. The equipment will be shipped to an Indonesia client to service at their drilling rig mud systems.

GN Solids Control makes 2 types of drilling mud degasser for oil and gas solids control system: centrifugal degasser and vacuum degasser. All degassers in this project is vacuum type degasser model code GNZCQ270B. It is a 1200GPM capacity drilling mud vacuum degasser. Besides 1200GPM vacuum degasser, GN Solids Control has another vacuum degasser model for 1600GPM to service for big size deep drilling rigs.

ZCQ series Vacuum Degasser is a special-purpose solids control equipment for the treatment of gas in the drilling fluids. It can get rid of various gas of invasive drilling quickly. Vacuum degasser is very important for returning mud gravity, stabilizing mud viscosity and reducing drilling cost. Also, at the same time vacuum degasser can be used as a heavy-power agitator and supported applicable to all types of mud circulation purification system. The vacuum degasser design of the structure is scientific and rational. So it is able to achieve an effective gas-liquid separation, filter out impurities and to ensure that the exhaust pipe is always smooth.

Some centrifugal pumps are included in the shipment. Centrifugal pump is the most popular transfer device in drilling mud treatment system. It can be used as water pump to transfer water in water tanks. It can be used a trip pump at trip tanks. It can be used as feed pump for desander and desilter. It can be used as supercharging pump for triple mud pumps. In the mixing system, centrifugal pump can be used as mixing pump, as well as transfer pump to transfer mud between tanks and different tank compartments.

Besides vacuum degasser and centrifugal pump, GN Solids Control is also capable to make full line drilling mud solids control separation equipment, like shale shaker, mud cleaner, desander, desilter, decanter centrifuge, …. and different type of drilling mud processing equipment, like high G drying shale shaker, vertical cuttings dryer, screw conveyor auger, dewatering centrifuge, solidification unit, etc…

 

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.

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.

The TBM construction and Pipe Jacking construction drilling will generate a lot of waste water slurry which contains big percentage of sand and stones. In order to accordance with environment protection regulations and save water, project operators have to separate the TBM drilling mud, to reduce the waste and reuse the water.

GN Solids Control can design and make full package of waste water slurry separation plants. The major separation equipment in GN slurry separation plant includes: shale shaker, desander, desilter, bottom drying shaker, etc… And there are accessory items for a one-stop turn-key solution: centrifugal pump for feeding desander / desilter mud cleaner, mud tank, electrical control system, etc.

The TBM construction and Pipe Jacking construction drilling are often took in urban areas, . In this case, the TBM drilling slurry separation usually requires compact design to suit for small working area. And the TBM drilling slurry separation need to reach high treatment efficiency to treat big volume slurry. GN Solids Control TBM Slurry Separation Plant is specially designed to meet the above demands. GN Solids Control TBM and Pipe Jacking drilling slurry separation system is with a very compact foundation by optimal designing. The TBM and pipe Jacking slurry treating system can work at different height levels.

In order to meet the different requirements of different clients and different projects, clients can choose more than a set GN Solids Control TBM Slurry Separation Plant and connect them by pipelines to use them as a big flow rate handling capacity. Plus, the combination of standard modular is for fast and easy assembly. Clients can choose different modules and select the quality they need to reach the flow rate they want to reach. GN Solids Control TMB and Pipe Jacking Slurry Separation Plant to move conveniently among different work sites.

GN Solids Control TBM and Pile Jacking Slurry Separation Plant advantages:
1) Full function compact package design for One -stop Turnkey Solutions
2) Modular, pre-assembled and small footprint units for easy and fast transportation from one location to another
3) 5-Phase Separation System for finer solids separation and to get more clear water

GNSB Series Centrifugal pump is a very common device used at drilling mud solids control system. GNSB Series Centrifugal pump can be used for oil field drilling mud system, HDD and CBM drilling mud recycling system, piling and micro tunneling desanding plant. GN Solids Control is a professional manufacturer of centrifugal pump in China.

GN Solids Control makes and supply centrifugal pump for solids control system. There is a wide range of applications of centrifugal pump in various applications drilling mud system. Below are some of the applications we normal use.

1. GNSB Series Centrifugal pump can be used as trip pump in the trip tank of the oil and gas drilling mud system. Trip tank is normally the first tank compartment inside drilling mud solids control system. The tank volume of trip tank is not big. It can be a separate smaller size tank other other tanks in the solids control system. It can also a compartment divided from shale shaker tank. Centrifugal pump size 3×2 or 4×3 are mostly used as trip tank trip pump.

2. GNSB Series Centrifugal pump can be used as feed pump for desander, desilter, mud cleaner. The pump transfer capacity should be matching the handling capacity of desander, desilter and mud cleaner. It can be a little big higher than the separation equipment, but it cannot be too much high. And the centrifugal pump transfer capacity cannot be lower than the separation equipment.

3. GNSB Series Centrifugal pump can be used as mixing pump of jet mud mixer and mixing unit. While add a T-pipe at the outlet of the mixing pump, the same pump can also be used as transfer pump.

4. GNSB Series Centrifugal pump can be used as transfer pump to transfer drilling mud or other slurries from one tank to another, or from one location to another.

5. GNSB Series Centrifugal pump can be used as suction or supercharging pump for drilling rig mud pump.

All GN model centrifugal pump use tungsten carbide mechanical seal, with international famous brand Bearing. And spare parts interchangeable with most of the international Brand pump which helps customer to source spare parts easily. Open impeller design that lowers axial thrust loads, and make it easier for installation, repair and maintenance.

 

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…

Many clients do not know how to choose the right model solids control and drilling waste management equipment to suit for their projects. Below are some comments and suggests from GN Solids Control to help clients make decision. For more assistance, clients can contact GN Solids sales engineers.

1. Shaker screen. To ensure accurate cut point, clients must to choose replacement shaker screens which are confirmed to API RP13C. In order choose the right model replacement shaker screen, firstly clients need to confirmed the shaker model, once shaker model confirmed, screen size is known. And then based on the requested separation point to choose right API size. For different brand replacement shaker screen, the same API size screens are interchangeable.

2. High speed Decanter Centrifuge or low speed decanter centrifuge Package complete with feed pump, connection hoses and control panels.
GNLW363C fixed speed centrifuge is recommended as high speed and low speed operation. It is the most popular size 14 inch decanter centrifuge. Operators can change pulley and belt to get another fixed speed.
Fixed speed centrifuge is easy for operation and maintenance, and its cost is much lower than VFD centrifuge or FHD centrifuge.

3. Screw conveyor Auger transfer for drilling cuttings
GN Solids Control makes screw conveyor with auger diameter vary from 10″ 12’’ 14’’, 16’’ and 18’’. The auger body is equipped with grab wire for emergency stop.
Suggest clients to choose a size auger to min. spare parts stock.
GN augers are combined by standard length 12ft per section. 14” dia. with 36ft transfer length is recommended. You can remove the middle section to use it as 24ft, or add another middle section to use as 48ft.

4. Sludge transfer pump
GN Solids control have various types transfer pump. Clients should tell GN Solids Solids Control their request for model selection, like what is the material for transfer, mud, cuttings, solids, or others? What is the transfer capacity want to reach? What is the transfer length? GN Solids Control has submersible slurry pump, and vacuum pump for solids and sludge transfer, it is driven by air. Users should offer air supplier. It can be supplied by air compressor, or supply air from the rig site. GN Solids Control also makes centrifugal pump.