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Petroleum Geology Acronyms


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CMR Porosity - Station Log (CMRP_SL)

This is a well log used in the oil and gas industry. You could find this abbreviation CMRP_SL in your log evaluation software or any (ASCII) log files provided by the logging company. CMR Porosity - Station Log is the full name for this log. The usage of this log is well established.

This log helps to evaluate the apparent formation porosity as measured with an nuclear magnetic logging device. In general this is a measurement of the apparent porosity. This is a measure of 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.

Furthermore, this can be explained by looking at the volume fraction. In other words, 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 nmr logging technique and can be used to investigate the porosity of the formation. Similar logs are listed below:




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