Aug 11

In order to give profit back to GN masses of users, now GN have 5 sets of shale shaker & 4 sets of mud cleaner in stock for fast sale. The customer who can give orders ranking in top ten customer within August, 2014 can get 30% big discount, much cheaper than original price.  The customer can only buy 1 set shale shaker or 1 set mud cleaner. Limited quantity available, quick to response if you want to buy.

Five sets of drilling fluids shale shaker

The shale shaker in stock is oilfield solids control shale shaker, large treating capacity 600gpm shale shaker GNZS594E-HB. This shale shaker with 4 panel Swaco Mongoose shaker screen is substitute goods for Swaco 4 panel shaker or Derrick 4 panel shaker. See below technical paratmers:

Model name: GNZS594E-HB

Role:  used for oil drilling rig mud system, eg. 750hp workover rig mud system, 1000hp oil drilling rig mud system, 1500hp oil drilling rig mud system, 2000hp oil drilling rig mud system, 2500hp oil drilling rig mud system. Also can be used for geothermal drilling rig, shale gas drilling rig etc. unbalanced drilling rig.

Capacity:  600 gallon per minutes handling capacity make this shale shaker outstanding from other model. The 4 panel shaker screen contribute to the large screen area 2.7261cbm.

Shaker screen: shaker screen is a wearing parts. GN can offer Swaco mongoose shaker screen with good quality and reasonable price. The customer can buy some in stock for fast use or fast sale to other friends.

One year spare parts: GN Shaker screen with small spare parts can simplify the operation of shale shaker, time saving and cost saving.

shale shaker & mud cleaner

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Aug 05

GN Solids Control equipment mainly used on oil drilling, gas drilling, Coal bed methane drilling, Horizontal directional drilling and also geothermal drilling.  Recently,we got inquiry from Kenya Geothermal Operation Company. They have one 750hp geothermal rig and want to match mud system for near future project.  After have discussion with the operation manager, we offer one compact solution.

mud system

Mud tank:

Originally, we offer 3 options below:

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May 12

GN Solids Control is not only professional solids control equipment supplier, but also supply different mud tanks for different functions. The size of mud tanks range from big mud tanks for oil drilling solids control system and mud plant to mini mud tanks, eg trip tank, sump tank, pill tank etc.

1) Pill tank and trip tank for solids control mud system

Pill tank is used for conditioning the drilling mud by add barite, bentonite or other heavy weight additive.  The size is about 1000x1000x1500mm. The position is placed after decanter centrifuge, fixed on the mixing mud tank. After adding heavy weight additive, the drilling mud can be mixing fully by force from Jet mud mixer with a centrifugal pump.

Trip tank is used for feeding the well when change the drilling tubes. It is generally positioned besides the shaker tank and close to derrick.

Recently, GN Solids Control just offer one sets of 1500HP rig mud system to RG Petroleum.  Pill tank and trip tank is included.

pill tank for solids control mud system

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Mar 05

The shale shaker is the first stage of solids control equipment in drilling mud purification system. It can remove cuttings above 75 μm brought from the drilling well to leave the liquid with smaller particles into the tanks below, which will flow into next grade solids control equipment for further treatment.

The economy of GN Solids Linear Motion Drilling Mud Shale Shaker

GN Solids drilling fluid linear motion shale shaker is especially effective while drilling top-hole sections where heavy and high-volume solids are usually encountered. In these intervals, drilling shale shakers may generate powerful G-forces and its effective vibrating motion can quickly remove the dense solids from screens and particles from wells.

linear motion drilling mud shale shaker

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Feb 27

GN Solids is professional manufacturer for complete sets of drilling mud separation and recycling equipment. The conventional equipment like shale shaker, mud cleaner, desander, desilter, vacuum degasser, decanter centrifuge, mud agitator, mud gun, centrifugal pump, screw pump, etc. Here, let’s learn more about desander and desilter.

1. The general installation type and function of desander and desilter

Desander and desilter are solids control equipment with a set of hydrocyclones that separate sand and silt from the drilling mud used on drilling rigs.

They can be installed separately: Desander is installed on top of the mud tank following shale shaker and vacuum degasser, but before the desilter. Desilter is installed on top of the mud tank following Desander. They also can be installed completely: in this case, they are installed on one deck shaker and called mud cleaner or mud conditioner.

Desander removes the abrasive solids from drilling mud which cannot be removed by shale shakers. Normally the solids diameter for desander to be separated would be 45~74μm, and 15~44μm for desilter

desilter

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Jul 28

See the photo on the right, it is a mud circulation system with mud gas separator, in oil drilling solids control system, the 1st phase cleaning equipments of mud circulation system is shale shaker, which is fed the mud from high pressure manifold, the mud gas separator is fed mud from the chock manifold. When much of harmful gas is found during drilling, they close the valve to stop feeding the shale shaker, and open the valve to feed to mud gas separator, and use hundreds of exhaust pipe to transfer the harmful gas from mud gas separator to a place far from well head, and use flare ignition device to burn it. Mud gas separator is not a part of solids control system, GN can manufacture both of them, so we put them together for your convenience.

Mud circulation system with mud gas separator

Mud circulation system with mud gas separator

Mud circulation system is also called mud cleaning system, mud recycling system, solids control system, Usually if a mud circulation system with mud gas separator, it is usually oil & gas drilling or geothermal, it can not be HDD or water well drilling. Mud gas separator is horizontally installed on the skid with the chock manifold on it together, it is easy for transportation.

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May 22

As a part of rig package, mud system is a separate but an essential part, the handling of drilling fluids can save huge cost of drilling. In the early oil industry open earthen pits were used as settling area to separate solids and mud thereby acting as a solids control equipment.

mud system for a rig

mud system for a rig

Now, with the stringent environmental regulations and high mud costs, the economics of an effective mud system come into consideration. Different solids control companies introduce zero-discharge systems, closed-loop systems, “quick move” technology, screening technology, disposal options etc. No reserve-mud pit is used in a truly closed mud system. Mud is continually processed primarily by mechanical means, such as screening, hydrocyclone and centrifuging to remove solids initially. A second stage to remove colloidal solids is by wastewater cleanup techniques.

Major components of a mud system, including:

Mud gas separator, flare ignition device

Shale shaker, mud cleaner(or desander, desilter), vacuum degasser, decanter centrifuge , centrifugal pump, mud hopper,  mud agitator, mud gun, mud tank and others, such as cutting dryer, screw auger, mud cooling unit,etc.

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Jan 25

Closed loop drilling fluids system (sometimes referred to as closed mud or pitless system)are system which do not need mud pits, which can greatly reduce or eliminate the discharge of toxic drilling wastes on site.

What mud systems need mud pits?

closed loop drilling fluids system

closed loop drilling fluids system

1 HDD  mud system need mud pits, the drilling mud flow to mud pit, and the slurry pump installed into the mud pit transfer the mud to HDD mud cleaning system, and the processed mud is pumped to the rig again.

2 At a typical oil & gas drilling site, drilling fluids are circulated through the wellbore, then the fluids and drill cuttings are deposited in a reserve pit dug near well. This pit is used to hold used drilling fluids and wastes. There are many potential problems from pits — leaky liners and overflows can lead to soil and water contamination, pits can produce odors and toxic air contaminants, and pits can be a hazard for birds and wildlife.

What is closed loop drilling fluids system?

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Jan 03

GN solids control mud system can be used for both oil & gas drilling and water well drilling. Water wellis an excavation or structure created in the ground by drilling to access groundwater in underground aquifers. Most shallow well drilling machines are mounted on large trucks, trailers, or tracked vehicle carriages. Water wells typically range from 3 to 18 m deep, but in some areas can go deeper than 900 m.

GN200gpm trailer mounted mud system for water well drilling

GN200gpm trailer mounted mud system for water well drilling

Most of the water well drilling rig is trailer mounted or truck mounted, for convenient transportation from one place to another. Some contractors do not process the used mud from water well drilling, but recently there are more strict laws for environment protection, they have to search for small mud recycling system to complete the job. They prefer trailer mounted mud system, GN 200gpm trailer mounted mud recycling system is widely used for water well drilling. Total transportation dimension is 5500x2300x4000mm( including the trailer height), it meets the transportation limit in most of the countries in the world( you do not need to remove anything when transport in domestic). You only need to remove the mud cleaner and shale shaker from the tank, then I can fit for 40feet standard container.

GN200gpm trailer mounted mud system including:

GNZS752 shale shaker 1set

GNZJ752 mud cleaner 1 set

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Sep 14

GN designed centrifuge mud tank for oilfield and dredging project, with 1 unit of GNLW553VFD decanter centrifuge(or other model available) and Nemo pump to feed the centrifuge, the centrifuge tank is divided into 2 compartment, the mud after treated by shale shaker, desander/desilter flow or be pumped to compartment 1, then Nemo pumppumped it from the compartment 1 to the centrifuge for processing, the clean drilling mud dropped into compartment 2, which can be pumped to other application or flow to anywhere required.

centrifuge mud tank

centrifuge mud tank

In oilfield application, sometimes mud hopper unit also installed on centrifuge mud tank, the mud which will be feed to centrifuge is with solids smaller than 20 microns, it has been separated by desilter cone. After treated by decanter centrifuge, the max solids remained in the drilling fluids is smaller than 5 microns, it is called “clean mud”. The clean mud may be weighted in pill tank/compartment and mixed by mud mixing hopper & mixing pump.

In Dredging project, centrifuge mud tank is applied after dredging slurry separation system, after treated by the desander ( or sometimes desilter), the solids remained in the slurry may be too fine to be separated out by the centrifuge, so you need a flocculation tank before centrifuge mud tank. After flocculation, the mud is concentrate so It is easy for centrifuge to separate it, this is for better performance. So you have to use a positive displacement pump to pump the flocculated mud to centrifuge, otherwise the centrifugal pump will break it off. Sometimes filter press will replace the centrifuge, but efficiency of filter press is not so dissatisfied, so people use large treating capacity centrifuge instead.

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