Portable Drilling rig mud recycling system on sale

“in the last 18 months alone theirs been 12, 100/150 ton rigs sold, and not one customer has purchased a recycling system, this is where we want to target both, here the drilling rig mud recycling system needs to be changed slightly”, a client said so. It tells the truth, Only hundreds of rigs are sold, but no mud recycling system were paid more attention, people should consider more factors of environment protection, and recycle the used mud and clean them, so they can be used again for the drilling rig.

GN200gpm mud recycling system has been approved by many HDD clients, with proper treating capacity and small land required, the complete sketch is suitable for a 40 feet container, economic in transportation and easy removed. With all these advantages, it has been the most favorate mud recycling system this year, it can handle all the treating capacity requirement smaller or equal to 200gpm. For larger treating capacity, we have GN400gpm, GN500gpm, GN1000gpm, GN1400gpm for your choice.

GN200 GPM Mud System
GN200 GPM Mud System

Recently we are studying the mobile mud recycling system(portable mud tank) with a trailor, you do not need to remove any equipments but only need a.headstock to transport it from one site to another, it is very convenient. Just like Kem-tron. We are going to public the new designed mobile mud system in 11th CIPPE, and would like to learn from the client’s suggestion to improve it. We have a strong R&D team, they focus on how to improve the technique, and study new equipments, at present, we have already more than 10 models shale shaker available, linear motion , BEM shaker, single deck or double deck, 3 screen panels or 4 screen panels, various treating capacity, even long vibrating motor or short vibrating motor, you have most choice in GN.

A portable drilling mud system includes a mud tank mounted on an over-the-road semi-trailer having an engine driven circulating pump mounted onboard and adapted to withdraw mud from the tank for circulation to the well and for recirculation through a set of mud agitating nozzles disposed in the bottom of the tank. A mud degassing vessel, a solids separator unit and an additive blending unit are all mounted above the tank. The degassing vessel is supported by hydraulic cylinder actuators for movement between a retracted transport position and a vertically elevated working position.

Mobile mud systems are designed with a wheeled undercarriage that allows improved maneuverability for all drilling rig components. GN mobile systems reduce drilling rig-up, down time, and help customers reduce drilling costs.

GN patent linear motion shale shaker

GN designed a new patent linear motion shale shaker, GNZS70-3B. It is designed to replace the previous model GNZS70-3 shale shaker, which is found not so economic and practical before.

 Specification of GNZS70-3B shale shaker

1 Vibrating mode: Linear motion

2 Single deck shaker with 3 screen panels

shale shaker
shale shaker

3 Quick lock( wedge technology operation), which enables screen panel replacement in less than one minute. In drilling site operation, time is more important than money, so easy operation of screen replacement is necessary. It enables for an easy ratchet-type installation of the wedges, which eliminates hammer damage to the screens, as well as the paint on the sidewall of the shaker basket. You do not need any tensioning bolts or system, which can provide a small parts inventory, thus enabling cost savings to be realized.

4 Adjustable while drilling (AWD) mechanism enable faster and easier deck angle changes., adjusment from1 degree down hill to .5 degree up hill.

5 Weir height: Until now we still can not provide operational weir height, the weir height of previous model is 900mm, and for the new designed model is 750mm.

6 Available screen types, PWP(flat panel) and PMD(pyramid screen)

7 Available screen area: 29.6m2

8 Feeding method: optional from back or from top tank

9 Treating capacity: 600gpm

10 Vibrating motor: Italy Oli brand vibrating motor, explosion proof, 220V/380V 50HZ or 230V/460V, 60HZ, 3phase, protection class IP55.

11 With standard screen underflow sump

12 High G force, max 7.5G, and it is adjustable

13 All the link bolts are SS304 material

14 ISO and API certified

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Swaco horizontal degasser v.s. GN Vacu-Flo degasser

GN produce Vacu-FLO degasser with 1000gpm, 1200gpm, 1320gpm, 1584gpm degassing rate.

GN ZCQ series Vacu-FLO degasser v.s.Swaco horizontal degasser

Swaco horizontal degasser and vertical degasser are all different with GN vacuum degasser both in structure and working principle.

Working principle of Swaco horizontal degasser

The return-flow, gas-cut mud is drawn into the tank through a vacuum created by the discharge jet and pump. The mud is then dispersed in a thin layer over a two-tier, baffle-plate system where the entrained gas, including H2S and corrosive oxygen, is recovered by the vacuum pump. The freed gas is then discharged at a safe distance from the drilling operation while the restored mud is returned to the active mud system.

Vacu-Flo degasser
Vacu-Flo degasser

Working principle of GN

Vacu-FLO 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.

Features of GN vacuum degasser

l)  Skid-mounted design simplifies spotting and installation

2)Small footprint-69x34in.(1750x860mm)

3) Totally self-contained

4)  Corrosion-resistant, epoxy coated inside and out to ensure long life and minimum maintenance

5) More leaf surface area- The greater the effective surface area, the more efficiently gas is separated from the mud.

6) GN particular design- provide higher fluid impact and greater turbulence for faster gas removal. you do not need extra feeding pump, it saves a lot of money and place for clients.

If you are interested to get more information about GN Vacu-FLO degasser, pls check our website.

Drilling rig equipments in Brazil

Brazil market is one of the largest market of oilfield drilling rig equipments, both for onshore and offshore drilling. We are always applying the exploration of Brazil market for our solids control equipments.

drilling rig equipments
drilling rig equipments

A news about “drilling in Brazil”:

The U.S. is going to lend billions of dollars to Brazil’s state-owned oil company, to finance exploration of the huge offshore discovery in Brazil’s Tupi oil field in the Santos Basin near Rio de Janeiro. Brazil’s planning minister confirmed that White House National Security Adviser James Jones met this month with Brazilian officials to talk about the loan.

We try to promote our new designed shale shaker and drilling fluids decanter centrifuge to Brazil. And develop a sole representative in Brazil to have some spare parts and equipments in stock, once they are needed, they can be provided to the client directly, we have bad experience to ship our goods to South America, it is too far and the air freight charge is too expensive. So to store some spares are the best way to solve the problem of after-sale service.

GN solids control sold the following drilling rig equipments in Brazil

1 oil & gas drilling solids control equipments

Such as shale shaker, desander, desilter, mud cleaner, decanter centrifuge, centrifugal pump, screw pump, mud mixer, mud agitator,etc.

2 design and manufacture Complete line of drilling rig mud tank system

3 After-sale service and spare parts

Such as shaker screens ( both for our own shaker and other brand shaker, Derrick shaker, NOV Brandt shale shaker, MI-Swaco shaker, Fluids system, KEM-TRON shaker, etc)

Union: hammer union and Pneumatic union

Hydrocyclone: Derrick 4” cone, GN 8” PU cyclone, 10”, 12” 100% PU hydrocyclone available

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Pyramid Brandt Cobra shaker screen

GN solids control can produce replacement screens for Brandt Cobra shale shaker, both steel frame screen and pyramid screen.

Why people want Pyramid Brandt Cobra shaker screens?

A   Exclusive benefits of pyramid screen technology

1 Increased shaker capacity

2 makes fine separations

Brandt Cobra screen
Brandt Cobra screen

3 drier drilling cuttings

4 Enhanced permeability

B    Steel frame screen is constructed with two or three stainless steel layers bonded tightly to the steel frame. The frame is made of high-strength square steel tube or flat steel welded to multi- ribbed construction. These layers are coupled with the frame through metal backing plate or bonded straightly as well.

Advantages of steel frame screens

1 Using wedge-shaped fastening technology, to save screen changing time and less shaker spare parts cost

2 High strength frame, multi-ribs and the mesh cloth with moderate tension, from one reliable combination, which can increase screen’s acceptable flow, the intensity and the lifetime.

 If we combine the two type screens together , pyramid screen became the complementary of the original steel frame screen. For example, the total non-blanked screen area is increased by using pyramid technology but it still remain stable steel frame.

 Calculation of total non-blanked area for a panel screen

1 Measure the length and width of a panel opening with a dial or digital calliper to the nearest mm.

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Oilfield Drilling mud centrifuge

GN developed a new Oilfield Drilling mud centrifuge LWF600x1000N, since more and more clients inquiry relatively larger centrifuge for oilfield drilling to meet various requirement.

LWF600x1000N decanter centrifuge specification

Max treating capacity: 300gpm

Oilfield Drilling mud centrifuge
Oilfield Drilling mud centrifuge

Normal treating capacity: 264gpm

Average bowl speed: 1800rpm

Bowl diameter: 23.6”

Bowl length: 39.4”

Total power: 52.5KW

Matched pump power: 5.5KW

Previous model decanter centrifuge LWF450x1000N

Max treating capacity: 264gpm

Normal treating capacity: 220gpm

Average bowl speed: 1800rpm

Bowl diameter: 17.7”

Bowl length: 39.4”

Total power: 37.5KW

Matched pump power: 5.5KW

 Compare with LW450x1000N, LW600x1000N has larger treating capacity and larger bowl, which can process more drilling fluids in one time and less drilling cost relatively. They are both middle speed decanter centrifuge, which can separate drilling fluids solids particles 5~7 μm, for some clients, it is enough for drilling fluids cleaning, but for some other clients, they need a high speed centrifuge to separate more fine solids from the drilling fluids, we will recommend GLW355x1250N or GLW-V-355X1250N. The max treating capacity is 176gpm.

 Sometimes you will encounter troubles when operate the centrifuge in oilfield, we would like to offer some suggestions for normal problems, anyway, we will have a engineer to service if complex trouble.

 1 Intense Vibration

 A Solids in the drum doesn’t clear away after last operation

  Solution: Start-up auxiliary motor to flush it by clean water and always remember to clean the bowl after using everytime

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Design & operation of API Standard shale shaker

GN designed some new models shale shaker in 2011, all of them are BEM shaker with 3 screen panel, the shaker screen dimension is larger than Derrick FLC 500 & 2000 series shaker, even 3 panel screen area is larger than Derrick 4 panel screen area.

The new designed shale shaker is according to API standard of design procedure,GNPS70-3,GNPS85-3 all matched standard oilfield solids control mud tank.

shale shaker
shale shaker

API standard design procedure of shale shaker

1 Shale shakers skids shall be level.

2 Shakers shall be rigged with adequate space, walkways and handrails to permit easy and safe servicing.

3 if the shaker is equipped with a rear tank, the flow line shall enter the rear tank as near the bottom as possible.

4 A means of diverting fluid from the flow line is recommended to permit the disposal of cement, spotting fluids, contaminated fluids, etc, before these fluids reach the shale shaker. The procedure shall not be used to dump the rear tank into the sand trap before trips.

operation procedure of shale shaker

1 The screens shall be inspected every time circulation is interrupted.

2 Use the shaker screens with the smallest openings that do not cause excessive drilling fluid loss.

3 Under normal operating conditions and when using a single-deck shaker with multiple screens, all screens shall have the same API designation.

4 Torn or damaged screens shall be replaced or repaired promptly.

e.g.GNZS63-3 shale shaker use wedge technology, it is easy to change and install Brandt Cobra shaker screen.

GNZS83-3 shale shaker use tension bolts to install screens.

5 When using shaker screens that need tensioning, tension shall be checked 15 min to 30 min after installation and tourly thereafter.

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solids control service in Indonesia

GN solids control specialises in the supply of solids control equipments based systems and associated solids control services, applicable to a broad spectrum of solids control and separation applications on a worldwide basis.

New and ever increasing environmental legislation increases the importance of employing efficient and reliable methods to meet waste reduction and minimisation targets.

solids control service
solids control service

Related service of Solid control

* Drilling Services
* Casing & Tubing Running Services
* Pressure Test Services
* Drilling Tools & Accessories
* Power Generation & Electrical Installations
* Telecommunication, Automation & Control Systems
* Vehicle Tracking Systems
* Power Generation Systems

What is the content of Solids control service?

* To provide solids control equipments with high quality and competitive price, such as shale shaker, mud cleaner, desander, desilter, decanter centrifuge, etc.
* To support the user for the using instruction and tecnitian service
* To supply quality guarantee and free installation commissioning service

Solids control service in Indonesia 

1 Pt. Saribumi Prima Utama :

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