You are here: SLB.com > Curve Mnemonic Dictionary Curve Mnemonic Dictionary This evergreen database delivers descriptions of more than 50,000 Schlumberger logging tools, analytical software, and log curves and parameters. It also provides definitions of physical property measurements and relevant units of measurement. Special tables enumerate mineral properties and depositional environments. The Curve Mnemonic Dictionary is the publicly accessible version of the Oilfield Services Data Dictionary (OSDD). Search Mnemonic term Browse Select a report from below to view all available data in a given category. Well logging data Data channels # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All Parameters # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All Well logging systems Logging tools # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All Software products # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All Properties, data types, and units Properties # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All Properties hierarchy Units of measure Unit report (all namespaces) Default unit system assignments Miscellaneous Geology Geologic time Depositional environments Minerals Oilfield equipment Tubular goods Request more information about curve mnemonics and other Schlumberger innovations. Privacy Policy Terms of Service Locations © 2019 Schlumberger Limited.