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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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Calibrated Thousands Digit (CTHO) |
This is the name of a log measured along a well bore (a well-log). You could have found the code CTHO in your log evaluation software or your corporate datastores. The abreviatin stands for 'Calibrated Thousands Digit'. This log is not used too often in the industry. This log displays readings of the element of a representation for pressure data in which each digit in the decimal pressure (1's, 10's, 100's, etc. )is stored as a separate unitless digit. This method is obsolete, but the property is needed for mapping historical data. So basically this is a measure of the force or thrust exerted over a surface divided by its area; e.g., hydrostatic, flow, pump, etc. May be gauge or absolute.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 from this log can be used to investigate the pressure. Similar logs are listed below:
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