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drilling rig | GN Desander Desilter
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Dec 09

Solid control is very critical during the oil and gas drilling process, it will maintain the required property of the drilling mud and remove the low gravity solids from the liquid, and finally can make the drilling mud which could be reused and recycled in the drilling mud system. A good solid control process could increase the rate of penetration, reduce the wear and tear of the drilling equipment, such as the pistons, liners of the mud pump and allow for better hole cleaning.

GN’s solid control equipment can perform very well during the drilling process, and most of them are specially designed as compact, skid mounted and very mobile. One consumable part for the solid control equipment is the shale shaker screen. This year GN made a lot of effort in the improvement for the screens. GN launched its second facility specially for making the shaker screens of composite frame. Now GN has composite frame replacement screens available for MONGOOSE, KING COBRA/ VENOM, FLUID SYSTEM.

Now GN plans to promote its composite screens aggressively in North America, and it’s looking for new distributors. The ideal candidate will be an experienced one who has been in the solid control business for years, and has pretty mature distribution channel. So once combined GN’s composite screens with the distributor’s channel strength, it will quickly generate great revenues, and it will be a win-win situation. Better the candidate has many warehouses in different locations, especially in the key oil and gas basins. That will make us serve the local customers better. Once qualified, GN will give the candidate distributor great support, in terms of payment term, pricing, packaging, branding and so on. GN’s goal is going together with a great company to achieve great success.
That’s the brief introduction about GN’s screen strategy. GN would like to hear from you. Welcome to visit and please send your ideas to . GN believe together we will go far.

written by GN Desander Desilter \\ tags: , , ,

Apr 06

Water properly drilling rigs are popular for oil and gas drilling industry, for normal lifetime as well as industries.
Take the oil and gas drillingfor example , water is the needed material for drilling actions. Water is request for you to for drilling fluids mixing, for tank cleaning, intended for flush, for equalizing nicely pressure, etc… There will be different ladies involved for drilling routines; Water is also the essential substance for the rig peoples. Often the rig sites are normally a long way away from human area. Effectively well drilling is the most rapidly and most convenient way for water supply.
GN Solids Control engineer just came back from the middle east job web-site. He finished the first time ordering and training of 1 fixed GNMS-500G water well drilling mud system. The 500GPM mud system is design and style and made for their oil rigs.

The system is composed of just one deck linear motion shale shaker, a hydro cyclone desilter separator, a drillingfluids mud mixing system, giving pump, mixing pump, the particular explosion proof electric control system, trailer skid mud tank and electrical lights systems.
For a compact design and style, GN put the feeding pump for hydro cyclone desilter, and the mud mixing pump on the skid.
In order to get an even bigger usable capacity, GN developed the mud tank together with 3 m width. With China, but also in many various other countries, 3 m may be the normal width limitation regarding inland shipment. GN produce all the sand gates build-in type. In this case, it will not on the tank width scope.
Customers request a mobile model for fast movement. Just to save the cost of clients, GN Solids Control recommend client in order to source trailer skid hereabouts and buy complete mud system from GN. GN Solids Control customize the system suitable for trailer skid. You will find container corner blocks each and every tank corner. The tank can be out and straightened on the trailer skid such as a container.

written by GN Desander Desilter \\ tags: , , , ,

Sep 05

GN solids America, a sales office of GN solids control, has a unit of vertical cuttings dryer GNCD930 in stock for sale, which is brand new with IEC Ex certificate explosion proof motors and control panel. We accept to test in our Houston factory ahead of shipment, welcome to contact GN solids sales for more detail information.

Vertical Cuttings Dryer 3
What’s GN vertical cuttings dryer working principal?
Vertical cuttings dryer can separate of solids and liquids by indicates of centrifugal force and collect the oil in the oil based drill cuttings or synthetic primarily based drilling fluids. The drilling cuttings is feed into the top hopper, by means of the screen basket and rotor, by the effect of centrifugal force, the fluids and fine solids pass through the screen mesh, and after that discharged through fluids output pipe and drop in to the mud tank, you will find 2 fluids output pipe, one particular of them is blocked along with the other one worked as fluids drain pipe. The significant solids or coal particles are retained around the screen basket and scraped down by the scrapper and pushed to the bottom of your screen basket and discharged through a solids trough. The discharged drill cuttings contained equal or less than 5% by weight, it really is dry enough to become shipped directly.
What is GN vertical cuttings dryer applications?
We use a vertical cuttings dryer system right after solids control system within the drilling waste management. A vertical cuttings dryer program firstly gather the cuttings separated from solids control system( shale shakers) by the screw conveyor, then fed into the vertical cuttings dryer, then the discharged the liquids is feed by nemo pump for the decanter centrifuge, the clean fluids is reused for make the drilling fluids once more. The drilling cuttings is drying and lessen oil in the drill cuttings.

written by GN Desander Desilter \\ tags: , , ,

Aug 29

By finish of next month, September of 2014, GN Solids Control’s new factory might be begun. This really is the 4th factory GN owns. And this factory will play an important part in GN production line.

Given that its establishment in year 2007, GN grows from a single factory corporation to today’s top rated manufacturer of solids control and waste management firm in China. It owns four factories: old factory in city of Tangshan, new factory close to Beijing, a separate factory for shaker screensas well as the above pointed out 1, a new factory with workplace developing and workshop.
GN’s core product mud agitatorwill probably be moved there and production capability is going to be doubled soon. In addition to decanter centrifuges, GN Solids America will establish a separate workshop for centrifugal pumps.
Lately, orders for centrifuges come from everywhere in the planet. Some old customers even complain that GN in no way has in-stock centrifuges. GN is sorry about that also. For each and every lot of beneath production centrifuges(, prior to production finished, all are sold out. The new factory will resolve this problem for GN Solids Control; this can be absolutely good news for both GN employees and GN valuable buyers.
For the new factory, GN Solids America will continue its high typical for high quality control and sophisticated technology used for precise solutions. And GN is constantly prepared to complete far better in supplying the clients and finish customers with most appropriate options and extremely effective equipment such as desilter, desander etc..


written by GN Desander Desilter \\ tags: , , , ,

Aug 21

Earth boring is drilling a hole, tunnel, or well in the earth. Boring is applied for any wide variety of applications in geology, agriculture, hydrology, civil engineering, and oil and all-natural gas industries. Whatever type of earth boring, you’ll need increase a good deal of mud/slurry, you’ve to locate a appropriate option to procedure these mud /slurry. GN mud cleaning equipments is usually applied for all kinds of earth boring.
The most popular earth boring projects such as:
1 oil & gas drilling, utilised Mud Cleaning System to separate big solids from the drilling fluids and recycle the clean drilling mud
2 mining core boring,applied to separate the fine silts from the slurry
3 railway tunnelling or Underground Railway, used to separate big rocks from the bentonite slurry which is increased from Tunnelling boring Machine.Micro-tunneling is similar project, just the flow rate per hour is smaller for the mud cleaning system.
4 Civil engineering, like pipeline crossing, after crossing, you can not just leave the mud there, most of these projects are inside the city, you must cleaning the mud and reuse or use a truck to drain off it.
5 Bored piles
GN mud cleaning equipments/ system including shale shaker( for civil construction ususally it is double deck shale shaker, the upper shaker screen is used as first phase cleaning of the big rocks, the bottom shaker screen works to separate the fine solids, such double deck shale shaker can enlarge the treating capacity in the same cost)., mud cleaner( shale shaker with hydrocyclones, sometimes we put hydrocyclone on top of the double deck shaker to save room for bored piles desanding).
The accessories such as mud tank, mud agitator, mud gun, mixing hopper, mixng pump, etc.
Different industries will require different treating capacity mud cleaning equipments, for example, TBM usually have to have a big treating capacity mud system up to 500m3/h, but mud system for micro-tunneling is much smaller. The required flow rate for pipeline crossing in civil construction is usually 500gpm, 800gpm, 1000gpm.
GN solids control engineer teams have many years experience for the customized mud cleaning system for the above application in civil construction, welcome to contact us for any option of mud.

written by GN Desander Desilter \\ tags: , , , ,

Jul 24
For earth surface engineering, the contractor no would like to take into consideration about combustible gas or explosive gas, like HDD no-dig engineering, piling engineering, tunneling engineering, waterway dredging engineering. But for deep drilling engineering, like oil & gas drilling, Coal bed methane drilling, shale gas drilling, all the motor and control panel should be ex-proof standard. The standard should also separately as per different geological conditions. Some security equipment is also necessary.
1) Mud Gas Separator ( poor boy degasser) ?a security equipment in solids control system for deep drilling
When gas cuttings happened to drilling fluid, the gravity and viscosity of drilling mud will be changed a lot and cannot satisfy the requirement for drilling, even lead to kick or blowout accident. The mud gas separator , made of high quality material , can be used to separate the harmful gas effectively.
GN Solids Control can supply the best quality mud gas separator with other solids control equipment, like shale shaker, decanter centrifuge, mud cleaner etc.

2) Flare Ignition Device¨Csecurity equipment in solids control system for deep drilling
The flare ignition device is used to follow the mud gas separator. After the explosive gas, like sulfuretted hydrogen, methane, carbon monoxide, removed by mud gas separator, the explosive gas will be transferred to flare ignition device via rubber hose and fired. After fired, the explosive gas will become carbon dioxide and water.
GN Solids Control can supply the best quality flare ignition device with solids control equipment spare parts, like desander cones and desilter cones for gas mud cleaner,shaker screen for shale shaker.

3) Ex-proof motor and Ex-proof electrical control panel
The Ex-proof motor can be classified into ordinary explosion-proof motor and EX-proof motor with IEC or ATEX certificate. The ordinary EX-proof motor can satisfy the most drilling conditions; In some extremely complex environment, EX-proof motor with IEC or ATEX is necessary. Electrical control panel is the same thing as motor, ordinary EX-proof control panel and EX-proof control panel with IEC or ATEX certificate.
The ordinary motor and control panel can satisfy for the Zone II; the IEC or ATEX standard can be used in Zone I area. Zone I means ? Under normal circumstances, explosive mixture gas may appear?±; Zone II means ?° under normal conditions the explosive gas mixture will not appear ; only in unusual circumstances, the explosive gas mixture may appear occasionally?
GN Solids America can offer motor and control panel satisfy Class I, Zone I and Class I, Zone II. GN Solids Control can offer different standard for different requirement from end user.

more links as below:

written by GN Desander Desilter \\ tags: , , , , ,

Jul 01

Inside the final two decades, desilter approach has experienced a good deal growth as a approach of installation. We could know that the number of the unit in use improved greater than a hundred-fold within the decade following 1984. The improvement has driven by the positive aspects supplied to utility user like elimination of targeted website traffic disruption, minimal surface harm and elimination of affecting the neighbor soil. desilter plan is extensively applied for the civil developing, laying the pipeline, creating the bridge and civil infrastructure.
To date, desilter program play a important part within the solids control system. GN desiler will offer you higher penetration price and proficiently recycle the drilling fluids to lower the lost of drilling fluids and shield the environment.
GN gives desilter system from mini mud strategy which contains: shale shaker, desander, desilter, centrifuge, jet mud mixer, centrifugal pump, mud agitator, mud gun, mud tank and relative unit etc.
How to Choose and Design Desilter System,Concerning to numerous various consumers?requirements for the mud treating system of desilter relevant projects, GN engineer is committed to supply one of the most effective answer and premium excellent of equipment. Also, GN will dispatch our certified engineer for your functioning internet web page for delivering the operation suggestions inside the event you acquire our unit. GN has commonly accompanied your side as your very best companion.

written by desander desilter \\ tags: , , , ,

May 02

In one drilling rig system, regarding the treatment for drilling mud, many equipments involved. And there could be devided into 2 categories: Drilling mud solids control equipments & drilling waste managements equipments.

Drilling Mud Service Worksite


Solids control equipments is used to separate drilling cutting from the mud. It is always cosist of shale shaker,vacuum degasser,desander, desilter, sometimes decanter centrifuge. After the treatment by these equipments, the drilling mud from bottom hole is active for reusing.

Mostly, the drilling cuttings discharge from the shale shaker aften full of fluids and difficult for transporting. It need further drying. Then we need some drilling waste management equipments. While the main equipments in drilling waste management system are Verti G cutting drer(or drying shaker) and centrifuge. The drilling cuttings was collected and transfered by auger to cutting dryer, then for further treatment. In this system, it is also a separation for solid and fluid. Just the discharge more dryer, and more active drilling mud could be reused.

Drilling Mud Treatment Diagram


GN received more and more inquiries from the contractor for drilling waste managements. Just last month, we received order from client for Hi G drying shaker and VFD Centrifuge, they used in project for pertamina. Welcome contact with GN if any requests for our products.

written by GN Desander Desilter \\ tags: , , , , ,

Mar 10

In 1 set complete drilling mud cleaning system, we could find six pipeline system. They are Overflow launder pipeline, clean water pipeline, mud gun pipeline, active mud suction pipeline, mud mixing pipeline and drilling hole mud replenishment pipeline.

Overflow launder pipeline is the most important pipeline in the mud system. From the Shale shaker compartment fo the tank, there will be a launder uphill through the desander tank, desilter tank in order to prevent the drilling mud overflow out of the tank.

The clean water pipeline is used to clean the tank, it is connected with the clean water tank or a water faucet and installed opening controled by valve in each tank.

Mud gun is always powered by mud pump in a mud system for oil drilling rig. The high pressure could transfer the active mud to each tank from the begainning of the desilter tank to make the replenishment or prevent the mud sediment. While in small mud systme, the mud gun often powered by mixing pump. Some mud system will have a trip tank, also we will install mud gun there.

In large mud system, mud pump could suction the active mud from every tank behind the desander tank. All the tanks storaging active mud is connected by the mud suction pipeline.

Mud mixing pump is used to mix the drilling mud in the tanks. Where there is the active mud in the tank, the mixing pump could suction it, after treatment by adding some drilling chemical then transfer them back by mud mixing pipeline.

the drilling hole mud replenishment pipeline is connected to wellhead, when the drilling bit raise out of the hoel, the drilling mud will be pump into the drilling hole to keep the well pressure and protect the well wall. When the drilling pit again down, the drilling mud will backflow to the trip tank.

The above mentioned six pipeline system could be find in 1 set complete large mud system and all of them functioned irreplaceable. Welcome for your comments and let’s learn it together

written by GN Desander Desilter \\ tags: , , , , ,

Sep 13

GN vacuum degasser is different with Derrick Vacu-Flo Degasser Model 500, both in structure and working principle,  but they have same function as follows.

GN drilling rig vacuum degasser(ZCQ series) is a special-purpose device for the treatment of gas-cut drilling fluid. It is a new type one we have designed and developed by combining different sorts of degassers from home and abroad. It’s applied to match with various mud purification system. It is important for returning mud gravity, stabilizing mud viscosity and reducing drilling cost. Also, it can be used as a heavy-power agitator during the operation of gas free mud.

vacuum degasser

vacuum degasser

Working principle of GN vacuum degasser

The vacuum degasser uses the suction of the vacuum pump to establish an under balanced pressure area in the vacuum cylinder and causes the drilling fluid into the hollow shaft of the rotator through suction pipe under the atmosphere pressure, and then lets the fluid spray to the walls of the cylinder from the windows on the hollow shaft, now the gas bubble cut in the mud may break and run off in the function of vacuum pump suction to a safe area due to the fluid collision and bubble separator. However, the mud will enter the drainage cavity forced by its self-weight and pass the rotator and discharge off the cylinder. In addition, drilling mud can enter the pump cylinder only through the suction pipe, and can’t be sucked in through the discharge pipe because the vacuum pump and the master motor are started simultaneously and the rotator connected to the motor will revolve at a high speed.

Trouble shooting of vacuum degasser operation:

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written by GN Desander Desilter \\ tags: , , , , ,

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