Decanter Centrifuge can be used in many applications, like solids control system for oil drilling, mud treatment unit for sludge treatment and also can be used for water/oily waste treatment. In order to make the centrifuge easy to lift and transport, the customer prefer to protection framework decanter centrifuge with VFD control panel and feed pump.
GN Solids Control just got Purchase Order of protection framework decanter centrifuge from drilling sludge treatment customer. After discussion, the customer confirm on high speed decanter centrifuge GNLW363BG-VFD with Netzsch brand NEMO pump for feeding & Variable Frequency Drive PLC control panel. Pls find details as below:
1) Decanter Centrifuge: GNLW363BG-VFD
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Drilling waste management and zero discharge is a getting much popular recent years. It is important to get zero discharge on drilling waste management. Many EPC company wanna source professional equipment and professional personnel on the potential projects with large profit. The the drilling waste market capacity can reach 17 billion before 2018, it is said.
GN Solids Control is leading manufacturer for drilling waste management equipment & solids control equipment; after some years experience accumulation, GN Solids Control can offer professional solution on drilling waste management and can answer the question most of the people faced with ” How to achieve zero discharge on drilling waste management “. This chapter will give a comprehensive knowledge of drilling waste (OBM & WBM) from three parts as below. And tell people how to achieve zero discharge on drilling waste management in Part 3.
- Source of drilling waste
- Necessary drilling waste management equipment
- Treating process of drilling waste and How to achieve Zero discharge of drilling waste
Part 1: Source of drilling waste
Source 1: Drilling waste from oil based mud drilling operations. The assessment is yet to be conducted
Souce 2: Refinery waste: Most of it is waste water, sludge, and the usual refineries waste ingredients. The refinery waste will be first recovered from large ponds and for those ponds to be remediated to original status where we will plant them with trees.
Source 3: Storage tank sludge: The tanks are yet to be calculated in terms of number and storage capacity. However, they are estimated to exceed the 50 tanks mark.
Source 4: Oil pits (there are many oil pits and waste management service company are trying to do land remediation to original state which means they will treat the crude to get it back to its crude status, soil back to soil and water to be recovered):
Oil pit case from Iraq drilling waste management market:
- There are over 120 oil pits to be treated.
- More than 60% are emptied from crude and what is left is sludge and soil to be treated.
- Average sizes are 100 miters in length, 70 miters in width and 5 miters in depth.
- We will be dealing with all of them, the ones that have sludge and soil left and the ones that are still filled with crude.
- The base of all pits is earthen. No concrete nothing else but earthen.
- Our task is to treat all pits and remediate the land to original status where we will plant them with trees.
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Different country has different special requirement on drilling rig mud system for oil drilling. GN Solids Control can offer different special requirement on equipment which can satisfy most of customer’s request. GN Solids Control can offer drilling solids control mud system with IEC EX/ATEX/CE certificate. Besides, GN can also accept BV or DNV third party inspection. Recently, we exported one set 1000HP drilling rig mud system to Europe company with CE & ATEX certificate. The mud system have configuration as below:
- Two(2) sets Drilling Mud Shale Shaker, GNZS703HB, with customized orange color and LOGO
- Two(2) sets Drilling Mud Vacuum Degasser, GNZCQ270A, with customized orange color and LOGO
- Four(4) sets Drilling mud storage tank, with customized white color and LOGO
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Recently, we got tender invitation from Shell in Middle East. We also have cooperation with Shell China. They have some special requirement on solids control equipment.
Drilling fluids Shale Shaker
Two shale shakers capable of handling 10.5 ppg mud weight at 1000 gpm.The electric motors for shale shakers DO NOT HAVE TO BE ZONE CLASSIFIED AS OPERATION IS NOT IN A LIVE HYDROCARBON ENVIRONMENT. Common header tank for all shale shakers. Mud return flow lines shall enter from the rear at the base of each shale shaker header tank, mud gas sensor to be installed in the header box and readings screen within the drillers control cabin and Cement bypass to be installed. Supply screens for the shale shakers as per the clients recommendations, screen sizes will be supplied at later date.
GN Solids Control Shale shaker, GNZS594E-HB can meet the requirement for this tender file.
USA Solids Control by a group of cyclone shaker and a breakdown of the composition of the upper part of the cyclone, the lower part of the shaker. 100mm from the group consisting of a cyclone swirler. Mainly used to deal with increased drilling, recycling barite; heavier drilling fluids can also be used for non-recovery of precious liquid. While the slurry process is merely a stirrer cyclone underflow material, not all the drilling fluid flow, the cleaner will shaker occurrence of clogging tendency, the following approach may be using to prevent and overcome.
Mud cleaner features:1 structure compact, and operation maintenance simple, and installed overhaul convenient, and using life long; 2 impeller has best of hydraulic design structure, efficiency high, Hou swept type leaves has since clean features, can anti-debris winding, and Jam; 3 and aeration gas system mixed using can makes energy significantly reduced, filling oxygen volume obviously improve, effective prevent precipitation; 4 motor winding insulated grade f level, protection grade for IP68, in sewage factory of aeration gas system in the tie using, can makes system energy greatly reduced, and filling oxygen volume obviously improve, Can effectively prevent sedimentation. According to technological requirements, direct coupled submersible mixer can be equipped with a shroud. 5 mechanical seals using high quality bearings and electrical device against condensation, and makes the motor work safe; 6 mixing series selection of multi-motor, used straight-type structure, low energy consumption and high efficiency; by casting or stamping of the impeller, high precision, thrust, smooth appearance, compact structure. To shop for Solids Control, click this link.
For earth surface engineering, the contractor no need to consider 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) — 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.
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GN america company ‘s desander is used in drilling fluid in the borehole after sand pump to the lower screen the first level filter to remove the large size solid particles, then into the sedimentation tank below. By the second sand pump from the tank to above desilter of the second filter, after desander below the upper deck of the vibrating screen mesh third grade filter. After after three-stage filtration purification of liquid is clean, can through the sand pump or overflow to other sedimentation pool or storage container in order to continue to use. In addition to the mud cleaning equipment, a group of mud mixed cell installed in the side of the tank. It is in the process of purification, add the necessary drilling mud materials control mud weight.
such as the trenchless technologies as well as HARD DISK DRIVE task tend to be extremely used within the city drinking water tube, sewer & air pollution manage, energy & telecommunications, essential oil & gasoline area and so on. Trenchless task as well as HARD DISK DRIVE program create some waste materials. Pre-estimates associated with quantities as well as solids manage gear will help drilling rig to lessen the actual coastline as well as reduce the actual air pollution. GN Solids Manage thoroughly specializes in the actual higher solids tools as the mud desander is very import . in order to bring about the actual trenchless. Since the worldwide manufacturer, GN Solids Manage along with API & ISO accreditation produce best regular solids manage tools for example shale shaker, dirt solution, decanter centrifuge, vacuum cleaner degasser, dirt gasoline separator, up and down reducing clothes dryer, centrifugal pump motor, shear pump motor, agitator as well as auger to satisfy customers expection.
The desander is used for the trenchless system, also called horizontal directional crossing the mud system, crown to solid control is a company specializing in the production of horizontal directional crossing the mud system manufacturers, our company engineer with more than ten years of horizontal directional crossing the mud system design and production experience, our company has a mature production process and quality control system. Recently my company to Indonesia, Singapore, Libya and other countries export several sets of trenchless horizontal directional crossing system, customers are very satisfied with the feedback. My company can according to the different requirements of customers to configure different solutions, to provide customers the best in the most economic way, crown to solid control has a reliable customer service, our company engineer will provide the satisfaction for the customer the post-sale service, and can provide comprehensive training for our customers.
The site can give you more options for choosing equipment.
A same decanter centrifuge will work differently by different operators. Because the professional maintainence is very important to protect the centrifuge and gives the decanter centrifuge a longer operation life.Following is two reminding for handling GN decanter centrifuges.
- 1)Protect the Centrifuge Bearing before Moving.
GN latest designed decanter centrifuge is fixed with tighten steel bracket belt to support the bowl assemly.Before moving the centrifuge, it is very important to fix the bracket under the bowl assemly by screws and make sure it is tighten enough,if the bracket can not support the bowl assembly tightly,operators can put some rubber on the steel bracket to make the bracket more tightly under the bowl assembly. And then tighten belt to prevent the rotation of the bowl during shipping from jobsite to jobsite.
2) To start the centrifuge,operators should disassemble the supporting bracket for the bowl, and remove the tighten belt,and rotate the bowl assembly by hand before start to make sure the bowl rotation is free.
3)Lubrication should be done regularly for the centrifuge as following.
If customers have any other questions for your decanter centrifuge,please feel free to contact GN representatives.We will do our best to support you and give you solutions.
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.
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Oil Based Mud ( OBM) is much costly in oil & gas drilling. In order to recycle and reuse the OBM discharged from solids control line ( shale shaker & desander & desilter), lower down the drilling cost and make it easy to further treatment in environmental friendly way, OBM Recycling Unit is becoming much popular for drilling contractors. Many drilling contractor will buy one set OBM Recycling Unit for their own use or rent service from third party service company. With customer’s feedback and suggestions, GN Solids Control develop one set OBM Recycling Unit. With the OBM Recycling Unit, your work will be simplified, effective.
GN Solids OBM Recycling Unit General Configuration
Screw Conveyor, GNSC12A-36, 2 nos
Vertical Cuttings Dryer, GNCD930LC, 1 nos
Decanter Centrifuge, GNLW363BG, 1 nos
Submersible Slurry Pump, GN50YZ20A-18, 1 nos
Telescopic Skid for Vertical Cuttings Dryer, 1 nos
Height Adjustable Telescopic Skid for Decanter Centrifuge, 1 nos
Liquid transfer sump tank, 1 nos
GN Solids OBM Recyling Unit General Working Process
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