Access Exploration Opportunities – Electric Well Logging

Well logging, also known as borehole logging, is done to make a detailed record of the geologic formations penetrated by a borehole. The log may be based either on a visual inspection of samples brought to the surface (geological logs) or on physical measurements made by instruments lowered into the hole (geophysical logs). Geophysical logs are done to determine whether the well should be produced or abandoned The first log was invented by Conrad and Marcel Schlumberger, who founded Schlumberger Limited in 1926. On September 5, 1927, an electric sonde was lowered down a well in Pechelbronn, Alsace, France, creating the first well log. The technology has been developed since then and is used today to identify possible oil and gas formations in the borehole. A log can, with a large degree of certainty, determine whether productive reserves exist in a well and how large they are. It is still necessary to test the well prior to production before this can be determined 100%.

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