The shale shaker is an essential first stage in drilling mud solids control operations. Its task is to separate and remove solid particles, such as drill cuttings. We provide details of the appropriate shaker screen sizes based on the type of shaker screen.
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Different shaker screens have different types of screen panels. Panels difference including the tensioning way or clamping system, the screen surface, and screen frame material.
Tensioning methods are divided into hook-belt type, wedge type, pneumatic or pneumatic system compression type.
Of course, we know that the wedge block is the most convenient type of tensioning method for installation. And when using pneumatic or pneumatic system compression type tensioning method, you just need to release the pressure and take out the panels one by one, or directly remove the panels, you can replace it!
Why do users need high-quality screens? It is well known that high-quality screens facilitate the efficient passage of drilling fluids and possess relatively high electrical conductivity. Having a relatively long service life will result in additional time and cost savings throughout the drilling process.
So how should we identify the quality of the screen?
AIPU offers screen material options in either an iron frame or a composite frame. You can customize the screen material to suit your preferences.
After receiving the screen, we need to first check the package&#;s integrity and the label on it. Next, the screen&#;s appearance needs to be checked after opening the package. Of course, in addition to the appearance, we also need to check the screen size and mesh size.
AIPU offers many different types of screens. Replacement screens for the NOV Brant Venom and VSM300 series are also available. Also the replacement panels for M-I SWACO Mongoose, MD, and the ALS series. Furthermore, the replacement screen for DP600, HYP, FLC series, and so on
The panels including steel frame, composite frame, flat panel and the panel with waves from side view.
If you want to learn more, please visit our website Derrick Hyperpool PMD Screen.
Please feel free to contact Aipu Solids Control.
API shaker screens refers to shaker screen conform to API RP13C or previous API RP13E. The designation and features are as follow
Shaker screens conform to API 13C designation including the cut point and conductance. To be API RP 13C compliant, a screen must get test on opening size or the particle size can&#;t pass through screen as per latest practice. The tests describe a screen without predicting its performance. Internationally, API RP 13C becomes ISO .
Cut point and conductance test conforms to ISO code and further detail standard. Stick label on quality screen panels as per API RP13C, which request model, cut point, manufacturer information
Shaker screen conductance is a measure of the ability of a fluid to pass through a screen. 5W30 motor oil can help to test this property. That means, dip the oil on the testing screen sample piece. Then applying the pressure differential to a formula to calculate the conductance. Because motor oil is oil-wets the screen and has a high viscosity. A large volume of motor oil is needed to allow equilibrium and to prevent large temperature changes
According to practice, we found the screen panel shape is related with conductance. Furthermore, the different screen configuration of different manufacturer vary the conductance as well. In some degree, conductance affect much on filtration efficiency and whole shaker performance
The API RP 13C cut point test is based on a time-proven testing method used by ASTM to classify particles by size. The procedure utilizes a series of standard-size screens (sieves), which have been used for such analysis since . The API standards committee simply use these sieves to designate shaker screens. The shaker screen designation is identified by matching the screen&#;s cut point to the closest ASTM sieve cut point.
The cut point test uses aluminum oxide, a Rotap, a set of ASTM sieves, a test screen, and a digital scale for weighing the quantity of test particles retained by the test screen. The D100 cut point help much on assigning screen designations. D100 means that 100 percent of the particles larger than the test screen will be retained, and all finer particles will pass through. After conducting three Rotap tests, the results are averaged, and the screen is given an API number of the test sieve having the closest D100 cut point.
The cut point information on API screen label give users convenience on screen selection. Make various mesh size standard but same API size.
After identifying the cut point and conductance, complying with API RP 13C requests permanent tag or label to the screen in a position that is visible and legible. Both cut point (API number) and conductance with kD/mm value are on the screen label. Presently, API shaker screen manufacturer will label panels according to same standard. And the API designation must be 2 or more times than other letters on label
No need on screen label material or color. We need to pay attention on label or stickers content and necessary information. Have you faced any problem on API screen label or designation? Please feel free to contact us.
For more information, please visit Vortex Shaker Screen.