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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.
- Upstream Oil and Gas Consultants get a chance to share their expertise and gain exposure to land future projects.
- Geology students and graduates can join the discussion and get into contact with potential future employees.
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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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Coherence at Compressional Peak for the Receiver Array (CHRA) |
This is a log of measurements along a well bore (a well-log). The acronym CHRA is a unique identifier to recognize this particular log and can be encountered in your log evaluation software or your corporate datastores. The full name for this log used in the industry is 'Coherence at Compressional Peak for the Receiver Array'. This log is often used in the industry. This log displays readings of the measure of waveform coherence with respect to slowness and time, computed as a function of coherent energy to total energy; also called "Semblance" Simply said, this is a log that describes the similarity between two or more functions; used with seismic waveforms to distinguish seismic events and to implement automatic picking schemes.This log in unitless. Either the log measurements can not be expressed with a unit (eg. a ratio) or the unit is unknown to us. Data for this log is produced by a tool that uses a acoustic logging technique and can be used to investigate the acoustic slowness of the formation. Similar logs are listed below:
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