Crude assay. Getting the right crude oil to the right ref...

Crude assay. Getting the right crude oil to the right refinery is essential to prevent yield, quality and production problems. A crude oil assay is a detailed chemical and physical characterisation of a crude oil sample, typically including distillation, property analysis, and compositional data. The analytical data provided helps our clients optimize their refinery engineering process, enhance refinery yields, and assist in crude oil marketing. The data from assays provide refiners, oil traders, and producers assessment to their market position. Full assays are extensive, and especially important for new crudes. The major emphasis is on distillation properties of the crude and how they affect the crude distillation unit products. Crude oil assay is a comprehensive analysis of the physical properties of crude oil, including boiling point, density, viscosity, and sulfur content, which is crucial for evaluating its value and processing suitability in refineries. Without accurate, complete and up-to-date assay data, ef ective planning and scheduling is impossible. These assays are essential tools for refining planning, crude purchasing decisions, blend optimization, and financial modeling. At #Intertek Caleb Brett, we analyse crude oils from around the world to give refiners and traders a clear, data-driven picture of composition and Equinor ranks as the world's third largest net seller of crude oil with more than two million barrels of crude and condensate (light oil) traded every day. A crude assay is essentially a detailed evaluation of a crude oil feedstock conducted by a petroleum testing laboratory. Detailed crude oil assay quality test data helps place a commercial value on crude oil feedstocks during commercial transactions, and helps determine optimal feedstock choices for refineries. A crude oil assay is a compilation of laboratory (bodily and chemical properties) and pilot-plant (distillation and product fractionation) data that characterize a specific crude oil. Each produced crude oil’s unique molecular structure means that we offer evaluations and report layouts on a project quotation basis. They are then compiled into a crude oil assay (or crude assay) to characterize a specific crude oil. Spiral Unified Supply Chain Management: Assay Manage, Use, and Share the Best Assay Data effective crude oil supply chain management. A crude oil assay is a detailed evaluation of crude feedstock using physical and chemical tests—including distillation, viscosity, sulfur content, contaminant levels, molecular profiles—that characterizes quality and refinery suitability. Crude oil assay testing includes crude oil characterization of whole crude oils and boiling–range fractions. Feb 6, 2025 · Crude oil assay is the comprehensive analysis of crude oil’s physical and chemical properties. The fractions correspond to boiling ranges for com-mon fuels. Crude oil and feedstocks are becoming ever more diverse and their uses increasingly innovative. For inspection assays, just a few tests are conducted. This blog will guide you through the steps involved in conducting a crude oil assay, offering insights into its importance and practical applications for refinery planning. Refineries depend on crude assays to understand crude oil composition, processing behavior, and expected yields. The properties of crude oil vary significantly from one source to another, and to understand its composition and quality, oil companies perform a detailed analysis known as crude oil assay. It is intended to illustrate the range of variability and typical assay values. Caution: For final studies and de nitive fi engineering, up-to-date assays from the crude oil suppliers should be used. U. Intertek laboratories test crude oil quality for important physical and chemical properties. These analytical data are used for identifying the output layer, estimating the sedimentary environment and the origin of the organic matter from the source rocks, evaluating for crude oil processing SwRI performs specialty analyses and distillations for hydrocarbon-based materials including petroleum, crude oil assays, shale oil, bitumen, heavy oils, lubricants, and similarly related hydrocarbon mixtures. ” TSD Crude and Product Characterization Unit supervisor Amani H. Find out more. Discover the exciting future trends in crude assay technology, including automation and software Likewise, the assay provides valuable information that is utilized to assess refining characteristics and is used in various Linear Program (LP) modeling and optimization tools. Unlocking crude oil’s composition secrets is critical information for our customers. - The document discusses crude oil assays, which involve evaluating characteristics of crude oils including their composition and the yields and properties of products obtained from fractional distillation. Each crude oil type has unique molecular and chemical characteristics and there are crucial diferences in the quality of each. Each crude oil type has unique molecular and chemical characteristics. ExxonMobil disclaims any liability for the accuracy or completeness of . - Crude oils are complex mixtures of hydrocarbons ranging from simple to The assays determine selected chemical and physical properties of whole crudes and several distilled fractions. Any Crude Oil offered to the Strategic Petroleum Reserve that meets these specifications may be subject to additional testing for acceptance. Refining 101: The Assay Essay Posted by Robert Rapier on January 16, 2007 - 11:35am When a refinery purchases crude oil, the key piece of information they need to know about that crude, besides price, is what the crude oil assay looks like. These crude oil bulk properties are measured by testing laboratories, along with distillation and product fractionation data at pilot plants. The assays here are believed to be from reliable public sources, but they should be used only for Crude Assay Chapter pp 103–116 Cite this chapter Download book PDF Practical Advances in Petroleum Processing CrudeMonitor is a free crude quality monitoring program. Crude oil assays provide petroleum refiners, producers, traders, distributors and other stakeholders with vital quality data. The scheme of cuts, if the customer does not provide, we would apply the standard with commercial products (LPG, naphtha, kerosene, diesel, fuel oil and the corresponding residue). txt) or view presentation slides online. Assay data helps refineries determine if a crude oil Due to differing climates, organisms, and depositional environments, the compositions of crude oil depend drastically with region and can vary very significantly. It is strictly prohibited to redistribute the Data or to sell it in any form (direct or derived) for commercial gain, particularly miss-representing its ownership. Just like each sand grain is different, each crude oil type has its own exclusive chemical and molecular characteristics. Crude Assay - Lecture Notes - Free download as PDF File (. Jul 11, 2025 · Full list of all our crude assays. View our alphabetically-organized library of crude oil assays showing API gravity, sulfur content and geographic location. It is also fundamental work toward maintaining Aramco’s oil and gas production value chain. In a whole crude assay, analyses are done by combining atmospheric and vacuum distillation runs to Access to TotalEnergies’s crude assays and supporting information is strictly limited to your direct needs or those of the company you work for. Abstract This appendix provides a selection of several simple crude assays for stocks worldwide. It plays a crucial role in determining how crude oil is processed in refineries, impacting product yields, refining costs, and operational efficiency. We offer inspection and full spectrum quality assay of crude oil, providing valuable data that determine the value of feedstocks and the blend for your end products. Testing can include characterization of the whole crude oil and/or its various distillation fractions. Without accurate and up-to-date assay data, effective planning and scheduling is impossible. Crude oil is a fundamental component of the global energy sector, serving as the primary source for the production of various fuels and petrochemical products. A crude assay can be an inspection assay or a comprehensive assay (full assay). The complete crude assay will provide information on the gravity, viscosity, pour point, true boiling point (TBP) curve, and light end analysis up to C8 and C9, in addition to the properties of the fractions, lube distillates, and asphalt. refiners Phillips 66 and Citgo Petroleum are seeking to buy heavy crude directly from Venezuelan state oil company PDVSA starting in April to maximize profits, rather than purchasing through Crude Oil Assay Crude Oil Assay, combination of physical and chemical data that uniquely describe a crude oil. Crude Assay Libraries High Quality Assay Data Haverly is the world leader in crude assay management and offers the widest selection of assays. Crude oil assay is a crucial analysis performed by refineries to evaluate the characteristics of the crude oil they plan to process. Crude oil analysis from SGS helps ensure that your crude oil is compatible with the target refinery process. It includes data from multiple countries and emphasizes that users must independently verify the information and assume responsibility for its application. This discussion covers what information crude assays reveal. The assay helps in adjusting refinery operations for optimal yield and quality, determining crude oil pricing based on quality, and conducting detailed The Strategic Petroleum Reserve The Strategic Petroleum Reserve SGS crude oil assay evaluation enables you to market your oil more effectively, as well as making it easier to identify potential value chain partners. pdf), Text File (. The boiling-point distribution, boiling profile, or distillation assay gives the yield of the various distillation cuts. What, why and how do the different test? Crude oil assay tests and testing methods listing. AVEVA Unified Supply Chain: Assay is designed to make working with crude oil data easy. CRUDE OIL ASSAY 30 L of the physical oil sample is needed. An overview of common test methods and typical ranges of variation of petroleum quality parameters. You'll gain an understanding of crude oil analytical measurement, composition and classification; quality variations and what causes them; sampling (both manual and automatic); inspection, assays and test methods; basic crude oil evaluation; quality case studies; current challenges and future needs in characterization, and much more. The most important properties of a whole crude oil are its boiling-point distribution, its density (or API gravity), and its viscosity. The list of tests required by fractions. Overall, crude oil assay provides the refiner with the data needed to make informed decisions in the areas of crude selection, scheduling and planning. Musharah said that assay data determines a feedstock’s use, adding, “Feedstock assay data is important for decision making about the refining process. Chevron’s assay validation and updating process relies on tracking Crude Cargo Data Crude quality is tracked via custody transfer information and monitored in AVEVA USC Assay Web Crude simulated yields are tracked for known blended crudes or pipeline delivered crudes Assays are updated when the current assay is determined to be “invalid. Understand how accurate crude oil analysis aids refiners, traders, and producers in optimizing operations, reducing costs, and enhancing profitability. As part of Spiral Unified Supply Chain Management, Assay is desi S ummary Through crude oil analysis, we determine the physical and chemical properties of crude oil and gas condensate produced from a geological formation several thousand meters underground. Crude oil assay includes characterisation of the crude or condensate, along with the commercial fractions produced from the physical distillation. Purchasing decisions and ultimately processing capability all begin with having high quality assay data that reflect the needs of the organization. The Benefits of Crude Oil Assay Testing As industry leaders in the field of oil testing, we understand that getting the right crude oil to the right refinery is essential to prevent problems of yield, quality and production. Explore the significance of crude assay in the oil and gas industry, covering its methodologies, key parameters, and implications for stakeholders. This paper explores the different assay purposes, compares some typical crudes, and examines the meaning and significance of common assay tests. A crude assay is essentially a detailed chemical evaluation of a crude oil feedstock sample conducted by a petroleum testing laboratory. Intertek's crude oil assay laboratories provide clients with professional, independent, and impartial crude oil quality data needed to make beneficial commercial trading and refining feedstock decisions. Bureau Veritas delivers a variety of customised crude oil testing services which add significant value to your business by utilizing our network of professional technicians, state-of-the-art laboratories, and the latest in testing technology. Click to learn more about how AmSpec can help you with your testing, inspection, and certification needs in the Crude Oil & Oil Assay industry. Inspection, Lab Testing and Calibration Services in Middle East, Far East, Subcontinent, America, Africa and Europe. A crude assay is a complete and definitive analysis of crude oil and of all its components. WHY DO YOU NEED CRUDE OIL EVALUATION Crude Assay is the comprehensive evaluation of crude oil feedstocks. The document provides a comprehensive list of crude oil assays from various regions, detailing their API gravity, sulfur content, and classification as sweet or sour. A crude oil assay is the chemical evaluation of crude oil feedstocks by petroleum testing laboratories. A crude assay takes the guess work out of the equation by simulating refinery distillation conditions to help those make informed decisions regarding what a specific crude oil will yield before it enters the Crude oil assay services from SGS enable you to fully understand the chemical and physical properties of your crude oil. Topics include the composition of crude oil, the crude assay, product SGS crude oil assay evaluation enables you to market your oil more effectively, as well as making it easier to identify potential value chain partners. Find detailed, up-to-date information on Canadian crudes and condensates. Short Summary of Crude Assays Crude oil can be refined into a variety of products we use every day, such as gasoline, diesel, jet fuel, heating oil, and pitch (used to make asphalt that’s on the road). Assay data help refineries determine if a crude oil feedstock is compatible for a particular petroleum refinery or if the crude oil could cause yield, quality, production, environmental and other problems. Each of the libraries below are fully compatible with both the H/CAMS-X and H/COMET software applications. The well-developed crude assay program is crucial to the success of an organization that deals with diverse crude slates. Phillips 66 Assay Library Crude Oil Assays Our Crude Assay and Technical Centers are state- of-the-art and offer a wide range of crude oil assay facilities, allowing maximum yield evaluation and efficient refining decisions. Crude Assays Customizable crude oil assays, designed to evaluate whole crude oils and various boiling range fractions contained within the crude oil. Aug 1, 2024 · The acceptability of any Crude Oil depends upon any assay typical of current production quality of the stream. We offer you versatile ways to determine the properties of crude oils and condensates. Our crude oil assay testing provides you with analytical data that will help you to optimize your refinery engineering process, enhance refinery yields, avoid crude oil blending compatibility risks and reduce crude oil Crude oil quality testing for the oil & gas industry. Its first step in crude oil industry by evaluation crude oil, which is complex That’s why a detailed crude assay matters. Hence, it is important to determine physical and chemical characteristics (properties) of crude oil and Manage, Use, and Share Crude Insight High-quality feedstock knowledge forms the foundation of effective crude oil supply chain management. This introduction to crude oil and petroleum processing provides a working knowledge of crude oil properties and refining to make the large array of petroleum-based products we enjoy today. S. ” “At Aramco, we need to ensure the product ordered by the customer will meet their needs,” said Musharah. Crude oil assay is a comprehensive analysis of the physical and chemical properties of crude oil, including its density, viscosity, sulfur content, and distillation characteristics. As a result, QC/QA, loss control and compliance with contractual, environmental and commercial regulations are becoming more important for the preservation of value by stakeholders in the supply chain. Both H/CAMS-X and H/COMET allow blending of crudes within a specific library or between totally separate libraries. vqtp, wekqjc, atpi7, vuvb3, 9c6db, w9hdh, 1uzz, o0ngv, r8bej, e7m8h,