Shale shaker screen sizes is decided by shaker screens. Different shale shaker screens have different shale shaker screen sizes.
American Petroleum Institute has laid down the guidelines for solid control systems in drilling industry. However, the main purpose of this standardization was to provide the end user with a fair idea of what they are investing their money into, when the purchase a certain type of shaker screen.
Now, before we delve into the benchmarking by API, let us give you an overview of what the shaker screen is or why is it that important to be researched about?
Drilling is widely used activity in oil and gas industry, to obtain deep seated fossil fuel to fulfill the fuel requirement across the globe, and that makes this industry quite enormous. The drilling operations are carried out on hard ground surface or on the ocean surface. In the entire drilling process, one of the main challenges is the handling of the drilling waste, it is called solid control system. The most important but easy to missed part is the shale shaker screen sizes application in real spot.
API being one of the largest trading group of US in drilling industry, has set up certain industry standards to test the quality of shaker screens, that are respected worldwide. Based on these tests, they have labeled different shaker screen sizes that approved by ISO, and encourage the shale shaker manufacturers like Kosun to use those labels on the product to enable the end user for a fair comparison before purchase.
While quality of different shaker screens cannot alone assure its performance, as the actual performance, in terms of conductance and life, will depend on a variety of aspects. To name a few – Handling of shaker screen, installation and replacement, appropriate tensioning, deck rubbers, storage and cleaning, volume of mud and solids, etc.
Shale shaker screens come in variety of sizes and shapes based upon shale shaker’s make and model. A Rectangular Heavy Duty Shaker Screen is mainly used for handling heavy solid drilling cuttings taken out during oil field drilling projects.
Shale shaker screens with high quality low price was attacted by clients around the world. Shaker screen design is unique inthis industry.
Drilling as such is widely used not only in oil and gas industry but in mining and coal cleaning industries also. Wherever the project demands handling heavy duty solid drilling waste management system , rectangular heavy duty shaker screens are deployed for use.
The main purpose of using shale shaker equipment is to separate out the drilling fluid from drilling solids i.e. drilling waste cuttings.
A Rectangular Heavy Duty Shaker screen uses two layers of finely knitted mesh material and one layer of a coarse mesh to enable the handling of the heavy duty solid waste to provide it better durability and better conductance.
There had been number of incidents where during the solid control system process, while shale shaker was deployed to separate drilling cuttings from drilling fluid, some thicker parts of solid would get stuck in the circulation and make their way through multiple layers of mesh of the shaker screen and over time burst the shaker screen’s mesh cloth. To prevent such incidents, rectangular heavy duty shaker screens came into existence.
RHD shaker screens follow proprietary multi layered technology, that enhances the overall permissibility of drilling fluid through the screen with much less resistance, which naturally enhances the performance of shale shaker equipment.
The shaker screens in RHD line are available in different variations, based on the particulate size they allow to permit through and these are standardized by the America Petroleum Institute through their labeling practice. API has labeled different shaker screens based on the holes size distribution measured with the help of light.
As the technology advances, the drilling industry is all set to go through much more modernized with start to finish automation.
A shale shaker screen is an integral part of the drilling process as it directly contributes to the efficiency of solid control equipment. If not handled properly it may lead to a premature failure or damage of the shale shaker screens which could result in loss of resources as well as monetary loss for the operators. Thus it is very important to understand the proper installation process of a shaker screen in a shale shaker.
Let us take you through the shaker screen installation process one step at a time. The very first step in the process will be to shut down the equipment completely, unplug the power and wait for the equipment to come to a stationary position. Step two will be to clean the equipment that will hold the screen in place, in case you replacing the older ones, or want to just clean and refit the same screen, make sure the screen and the equipment is in clean condition and also look out for any wear and tear of screws or straps that holds to keeps the shaker screens in place. After this the third and final step is to mount the shaker screen panel onto the shaker deck and slid it toward the equipment to fit into the slot. Make sure that the draw bolts are unlocked beforehand and ready to engage with the screen panel’s feed end. Fasten all the screws and nuts back into the place.
The size and shape of shaker screen will vary from manufacturer to manufacturer and so will the fashion in which they will be mounted. Few popular examples are, Hook Strap Screen, Wedge Blocked Screen, Steel framed screen or composite frame screen. Each will essentially be different only in the way they are fastened to the shale shaker deck.
If you initiate a process right, you get quality results. Shaker screens play a vital role in the initial stage of a solid control system. If the Shaker screen is right then you can rest assured that the process is on the right track.
As innovation continues to grow and technology advances further, man makes new discoveries and improves on what existed before. Likewise, the shaker screen has undergone modifications, improvements and witnessed new introductions. There are many types of shaker screens on the market.
Some Types Shale Shaker Screens
1. Derrick Shaker Screens
There are two kinds of Derrick shaker screens
i. The Flat Screen (PWD)
This is the older Derrick shaker screen model. It is less expensive compared to the Pyramid Shaker Screen.
ii. The Pyramid Shaker Screen
This is an improved model of the Flat Screen. Has a higher drilling fluid handling capacity and is more effective than the Flat screen one.
2. Hookstrip Flat Screen
The Hookstrip Flat Screen has vibrating screens which facilitate sorting, sizing up and sieving. It is commonly used by drillers. The 2 to 3 layers of hookstrip and the plastic reinforcing used in the layered screens enhance screen protection.
3. Steel Frame Screen
This screen is commonly used in the industry. It is made of 2 to 3 layers of stainless steel tightly bound to the frame which makes it strong. Rubber plugs can be used to mend gaps or breaks. This makes the screen cost effective.
4. Composite Screen
The composite screen is an improved version of the Steel frame. This shaker screen is lighter, more durable and can with stand high temperatures.
5. Hookstrip Soft Shaker Screen
This is the shaker screen that was used in early days. It has been overtaken by newer models.
As a professional, understanding the task entailed in the drilling work will inform your choice of a screen.
Equipment comes in all kinds of design and industry specifications. Research discovers gaps that innovation seeks to bridge. In solid control system, the shaker screen has over time been improved to enhance its durability, capacity and efficiency. The Rectangular Heavy Duty (RHD) shaker screen is an improvement of the square design.
The Brandt Rectangular Heavy Duty (RHD) shaker screens combine 2 layers of heavy duty rectangular mesh and one layer of coarse mesh to enhance the screen durability. The strong rectangular design is more effective in curbing fluid loss compared to the square model. This series of shaker screens minimizes plugging incidences and resists blinding even under more strenuous circumstances. The RHD series of shaker screens is reputed to maintain its integrity and standard better compared to square designs.
Lost Circulating Material (LCM) has a tendency to infiltrate some double and triple layered screens. The LCM can accumulate on some screens thereby causing the swelling and bursting of the mesh screen. The RHD shaker screen was developed to mitigate this shortcoming. It is more efficient in separating LCM materials. The series has an enhanced capacity to minimize fluid loss while maintaining its integrity in solid control system. Compared to square shaker screens the Rectangular Heavy Duty shaker screens are preferred for the following reasons
• Superior capacity throughput.
• Efficiency in separating Lost Circulating materials such as fibres
• Resistance to blinding
• Ability to minimize plugging
• Removal of fine solids
Modern technology continues to improve equipment and come up with better models. Technology has brought what was impossible before within reach. With the help of technology, you can find out current information about any equipment that you wish to use. Ignore technology at your own peril. Rely on technology to choose the ideal shaker screen for your solid control system.