api filter press procedure

procedure, the reader is referred to API standard 13B-1 (API 2009). The Series 300 API Low Pressure Low Temperature (LPLT) Filter Press consists of a mud reservoir mounted in a frame, a pressure source, a filtering medium, and a graduated cylinder for receiving and measuring filtrate. Unit. API Filter Press Test Procedure | Step By Step General Idea Of API Filter Press Test Procedure The low temperature API filter press, which is operated at room temperature and low pressure, is used for measuring fluid loss only with Water Based. Use the following procedure to create a sample. The procedure for measuring the hydraulic conductivity of soil-bentonite samples is described in detail in Chapter 5. Make sure the safety bleeder valve is closed, and the regulator adjusting screw All models meet the specifications listed in section 7.2. The operation of the filter press is described in the second part of the lab. 5.Check the filtrate tube in the base cap to be certain it is free of obstructio. Drilling Operations Guide For Onshore And Offshore Rigs. The pressure sources for this filter press are carbon dioxide (cartridges or cylinder), nitrogen, compressed air, and dead-weight hydraulics (water source). 50 papers were placed at the bottom of the cylindrical cells and the drilling . The basic unit has a cell assembly constructed of Stainless Steel and includes the required screen and gaskets. The Half Area Filter Press is a compact version of the standard Filter Press and employs 1/2 size filtration area. Filter cake thickness is also measured and must never exceed 2 mm. The most common test of mud filtration properties involves the use of an API Filter Press. known as the Standard (API) Filter Press. . If you are a guest, leave the Login ID field blank. 2. Different screens may be used, or , slotted disks of varying sizes are frequently used for lost circulation materials , studies. 1. A sample of mud is pressurized in a chamb er while . The OFITE Dynamic HTHP Filter Press (#170-95) is designed to correct this oversight. Procedure 1.Loosen the T-screw until the filter cell can be removed from the frame. Filtrate . Adjust the pressure regulator to apply 100 psi and open the upper valve stem with a -turn to pressurize the unit and stop the mud from boiling as it is brought up to the required temperature. Mud filtration test procedure. of the top of the cell. The API fluid loss test is used only with Water Based Muds. bentonite mix design and for QA/QC (Barvenik and Ayers 1987). The speed is adjustable, and the motor can be started and stopped periodically to better simulate drilling conditions. Record the filtrate volume for each mud at 7.5 and 30 minutes. API filter paper, cement screens and ceramic filters, which may be obtained , to match the pore throat or permeability of the formation. See Figure 4-1 and 10-5. Air pressure is applied to the top of the specimen. Test the muds simultaneously to save time. Step 2: From this page select Site Actions | Edit Page: Edit the page, go to the "Insert" tab in the Ribbon and click the "Web Part" option. The results obtained from this experiment indicate the volume of the filtrate collected (in cm 3), the thickness of the filter cake and observations as to the quality of the filter cake. Report cc of filtrate collected for specified intervals up to 30 minutes. Drilling Manual. The American Petroleum Institute (API) filter press is commonly used to measure the hydraulic conductivity of soil-bentonite, both during mix design and as a part of construction quality assurance and quality control. A piece of filter paper is used to simulate the wall of the hole against a . 4.1 Carbon Dioxide Pressure Source , Follow this procedure to pressurize the filter press with a CO, 2, cartridge. Advance the holder an additional 1/4 turn. 2. High Temperature / High Pressure, The HPHT filter press fluid loss test, which is differ from API filter press fluid loss test, is used for measuring fluid loss for all types of drilling fluids at elevated temperature and pressure. Place the f. The API filter press is normally used to measure the filtrate loss of bentonite-water slurries. Use the API Filter Press to determine the standard water loss associated with each of the three muds. 3. In the "Web Parts" picker area, go to the "Media and Content" category, select the "Script . Parameter. A motor driven shaft fitted with propellers turns at varying speeds inside a standard 500 mL HTHP cell. Natural formation , cores may also be used of differing sizes. (1997). Their stability is based on fluid loss and may be determined by measuring and describing the filter cake. 4.Check to see that the rubber gasket in the base cap is evenly placed. Step 1: Navigate to your SharePoint 2013 site. The ceramic filters may be , obtained to match the pore throat or permeability of the formation. The Dynamic High Temperature High Pressure (HTHP) filter press measures filtration volume and cake building properties under varying downhole conditions. The Series 300 LPLT Filter Press (API Filter Press) is the most effective means of determining the filtration properties of drilling muds and cement slurries. Whatman No. The procedure for conducting API filter press tests is described in Filz et al. Connect the heating jacket and thermocouple to the controller. Solids build up on the filter cloth, forming the filter cake; the filtrate exits the filter plates through the corner ports into the manifold, yielding clean filtered water. Set-up and Preheating 1. 2. Other models include pressure assemblies, like the #140-30, which features a built-in CO 2 pressure regulator. Download & View Series 300 Api Filter Press as PDF for free. 4. Carbon dioxide cartridges are not included. In this study, the LTLP filter press is a cylindrical cell of 3 inches internal diameter and 5 inches height to contain the drilling fluid samples. LPLT Filter Press Assemblies consist of a mud reservoir mounted in a frame, a pressure source, filtering medium, and a graduated cylinder for receiving and measuring filtrate. The American Petroleum Institute (API) filter press test, described later in this paper, is used to assess the ability of the bentonite slurry to form an adequate filter cake for maintaining trench stability, i.e., by minimizing slurry loss into the adjacent formation. Put the bomb in the stand and tighten the screw. Carbon dioxide cartridges are not included. Put a beaker underneath the filtrate outlet to collect the filtrate, Attach the compressed air source to the inlet, Start timing the run when the air valve is opened, Stop test when either 7.5 minutes have elapsed or air has is coming the filtrate outlet, whichever occurs first, The API filter press is a rigid wall cell 3 inches in diameter. Accuracy. With the air pressure valve closed, clamp the mud cup assembly to the frame while holding the filtrate outlet end finger tight. The following is the standard procedure adopted by the API for testing at 149oC and 3450 kPa: 1. Reporting. Connect the controller to a power source of the correct voltage as indicated on the name tag. The basic unit has a cell assembly constructed of. Natural for-, mation filters or cores may also be used of differing pore throat / permeability , sizes. Equipment. Turn the regulator to set the air pressure to roughly 20 PSI. In this event the filter cake thickness will be the same . It includes a pressure cell, benchmount frame, gaskets, and a screen. In brief, API filter press test procedure is pressurizing a sample of mud in a chamber while the volume of filtrate that passes through filter paper over a specified time period is measured. School of Petroleum Engineering, UNSWPTRL 3015 Drilling Labs API Mud Property API Static Filtration API Filter Press Test Procedures: o Assemble the filter press o Fill the mud cup cell with the required mud sample to approximately ", tight the T-screw to secure the unit.o Place a clean graduated cylinder below the filtrate outlet to coll. Complete assembly of the filter press cell using one sheet of filter paper. . . Remove the barrel from the CO 2 pressure assembly and insert a fresh CO 2 cartridge. Pour the suspension into the filter press cell to within about 13 mm (0.5 in.) Time and pressure requirements are the same as for the API filter press. Stainless Steel and includes the required screen and. After making sure the safety bleeder valve is closed, and the regulator adjusting screw is backed out to the closed position (maximum outward), turn the barrel loosely with the fingers until first contact with the puncturing pin is felt. A variety of filter media are available, the most common being standard API , filter paper, cement screens, and ceramic filters. (LPLT) Filter Press consists of a mud reservoir mounted. HPHT Filter Press Fluid Loss Test Procedure What Is The Drilling Fluid Test HPHT Filter Press? Enter the email address you signed up with and we'll email you a reset link. Filter Press API (LPLT) The Series 300 API Low Pressure Low Temperature. A shaft and paddle extend down into the test cell and circulate the fluid during a test. Preheat the jacket by adjusting the controller to the desired temperature. in a frame, a pressure source, a filtering medium, and a. graduated cylinder for receiving and measuring filtrate. This is a pneumatic pump; you turn it on using the pressure regulator on the wall behind the filter press. In brief, API filter press test procedure is pressurizing a sample of mud in a chamber while the volume of filtrate that passes through filter paper over a specified time period is measured . . Place a graduated cylinder underneath to collect filtrate. The API filter press consists of six (6) cylindrical cells on the stack . The operator prepares the fillter press for action by turning (1) the air supply "on," and (2) the hydraulic selector to "close." The quality and thickness of the filter cake deposited on the filter paper is also checked after the device has been dismantled for cleaning. 3.Be certain that all parts of the filter cell are dry and clean. See Figure 4-1 and 10-5. The alkalinity test is one of the important Water Based Mud testing procedures as alkalinity affects the performance of some treating additives in the water-based fluid, especially if they require alkaline conditions for better performance. Turn on the pump to make sure it is operating. This lab report will discuss the basic procedures involved in conducting the experiment and the overall importance of the experiment. A . 1. The basic model is the Benchmount API Filter Press (#140-20). 2pressuring assembly and insert a fresh CO, 2cartridge. The API filter press is used to analyze filtration behavior and wall cake building characteristics of drilling fluids and cement slurries. Figure 5: Air regulator for filter press pump, The low temperature API filter press, which is operated at room temperature and low pressure, is used for measuring fluid loss only with Water Based Mud. If you do not remember your Ballot ID, you can enter only your Login ID to see a list of open ballots. Before adding the suspension, be sure each part of the filter cell is dry and that none of the gaskets is distorted or worn in accordance with API 13 B-1. Readings are converted to standard measure by multiplying by two as specified in the American Petroleum Institute, API Recommended Practice 13B-1 and 13B-2. (2001) and Barvenik and Ayers (1987). Name:_____ Lab Station: Drilling Lab 3 The purpose of this lab is to learn how to determine the filtration rate and mud cake thickness of drilling mud. The correct procedure for the rheometer test method is as follows: Drilling Fluid Viscometer, Fill the heating cup with the fluid sample and place on viscometer platform. Note that the volume collected at 7.5 minutes is about half the total collected at 30 min. The test is used to determine the static filtration characteristics of the mud and the need for treatment with fluid loss additives. In the form below, enter the Ballot ID and Login ID you were supplied with in the email you received from the API Standards Department and press Login to access the balloting and comments pages. Connect the heating jacket to the correct voltage, place a thermometer in the well of the jacket and preheat the . API Filter Press. Open air pressure valve and start timing at the same time. Place the thermocouple in the cylinder well or the heating jacket. Insert a new CO2 cartridge in the back-pressure assembly, place on the lower valve stem and insert the locking pin. 2.Remove the filter cell and disassemble it. Open the by-pass valve A fully and keep the filter press valve B closed. Many filtration tests are conducted with a "half area" filter press. Filter Press Operation General Operation Of The Water and Wastewater Equipment Company Filter Press: Operating the filter press is simple, and the operating process is easy to understand. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . Adjust the viscometer platform until the fluid sample level reaches the circumferential groove marked on the rotating outer sleeve. 3. The working principle of filter presses is that slurry is pumped into the machine such that solids are distributed evenly during the fill cycle. A more detailed description of the equipment and test procedure for the consolidometer permeameter and API filter press test is given in Heslin et al. Follow this procedure to pressurize the filter press with a CO 2 cartridge.

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