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Welcome to Petroleum Geology Forums
This is a free online community that aims to bring petroleum professionals and geologists together and share valuable knowledge. Registration is easy so become a member now for instant free access.
- Petroleum Geologists can stay up to date with industry related topics and exchange ideas and concepts.
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Petroleum Geology AcronymsBrowse through the Acronyms using the letters above or search for the acronym or it's description using the form below. If you have a acronym or abbreviation you would like to see in this list please contact us.
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Bulk Density Porosity from ZDEN (PORZ) |
This is a log of measurements along a well bore (a well-log). The acronym PORZ is a unique identifier to recognize this particular log and can be encountered in your log evaluation software or your corporate datastores. Bulk Density Porosity from ZDEN is the full name for this log. The business value of this log is often deamed high. This log helps to evaluate the porosity derived from a formation density measurement. In general this is a measurement of the apparent porosity. This can be explained as being the initial estimate of porosity, normally from logs, not corrected for the (often large) effects of clays, gas, etc. Such estimates should only be used for qualitative interpretation of clean, gas-free intervals. At a more general level these values are measures of the volume fraction. Better said, the ratio of the volumes occupied by two components, or by one component to the total volume of the system.This log usually has the unit 'Porosity'. This is the pore volume per unit gross volume. Porosity is determined from measurements on cores or interpreted from logs. Data for this log is produced by a tool that uses a density logging technique and can be used to investigate the porosity of the formation. Similar logs are listed below:
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