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CSI – combinable seismic imager (VSP) log (Schlumberger) CSMT – core sampler tester log; CSO – complete seal-off; CSO – car seal open; CSPG – Canadian Society of Petroleum Geologists; CSR – corporate social responsibility; CST – chronological sample taker log (Schlumberger) CSTAK – core sample taken log; CSTR – continuously ...
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In the 1950s, Schlumberger introduced a method for testing formations using wireline. The Schlumberger formation-testing tool, placed in operation in 1953, fired a shaped charge through a rubber pad that had been expanded in the hole until it was securely fixed in the hole at the depth required.
Geoservices had approximately 5000 employees in 52 countries when it was acquired by Schlumberger Limited for $1.07 billion dollars in March 2010 from Gaston Rebilly and his family. [ 1 ] [ 2 ] See also
In March 2012, Schlumberger announced an agreement with Altor Fund II for the acquisition of SPT Group. The acquisition was completed in Q2. SPT Group, founded in 1971, was headquartered in Norway employing approximately 280 people in 11 countries at the time of the acquisition.
The natural logarithm of x is generally written as ln x, log e x, or sometimes, if the base e is implicit, simply log x. [2] [3] Parentheses are sometimes added for clarity, giving ln(x), log e (x), or log(x). This is done particularly when the argument to the logarithm is not a single symbol, so as to prevent ambiguity.
Main entrance. Concordia University Texas is a private university in Austin, Texas.The university offers undergraduate, graduate, and online degrees as well as an adult degree program for part-time and returning students.
Well logging, also known as borehole logging is the practice of making a detailed record (a well log) of the geologic formations penetrated by a borehole.The log may be based either on visual inspection of samples brought to the surface (geological logs) or on physical measurements made by instruments lowered into the hole (geophysical logs).