ASTM D4007
Standard Test Method for Water and Sediment in Crude Oil by the Centrifuge Method (Laboratory Procedure)
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About This Item
ASTM D4007 is the standard test method for measuring water and sediment in crude oil by the centrifuge method, using a laboratory procedure designed for practical testing needs. It helps users assess the amount of separated water and sediment present in crude oil, supporting clearer product evaluation and quality control. Because water and sediment can affect handling, processing, and transaction decisions, this ASTM standard is commonly referenced where consistent laboratory results are important.
Purpose of ASTM D4007
The purpose of this standard is to provide a controlled laboratory procedure for determining water and sediment in crude oil by centrifuge. ASTM D4007 establishes a consistent test approach so results can be compared more reliably across laboratories and testing programs. In practice, it supports routine analysis where crude oil quality must be checked using a recognized ASTM test method. The standard is especially useful when a repeatable, technical basis is needed for evaluating contamination and separating non-hydrocarbon material from the sample.
Common use cases of ASTM D4007
This test method is commonly used in crude oil laboratories, inspection workflows, and quality control programs where water and sediment levels need to be measured before further handling or transfer. It may be used during receipt testing, batch evaluation, or other routine checks involving crude oil samples. The method is also relevant to organizations that rely on standardized laboratory procedures for internal verification, procurement support, or commercial measurement decisions tied to crude oil condition.
Why ASTM D4007 matters
ASTM D4007 matters because small amounts of water and sediment can influence crude oil quality, processing behavior, and measurement confidence. Using a recognized standard helps reduce variation in testing and supports more consistent reporting across facilities and service providers. It also aids compliance and technical communication by giving buyers, sellers, and laboratories a common reference point. For organizations focused on reliable product evaluation, this standard helps make laboratory results more defensible and easier to use in operational decisions.
- Centrifuge method for laboratory testing
- Measures water and sediment in crude oil
- Supports routine quality control and evaluation
- Useful for consistent sample reporting
- Publication Date: 2023-02-17
- Publisher: ASTM
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