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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).
The firm announced it would acquire Baker Hughes for around $35 billion in cash and stock, creating an oilfield services company that aims to compete with Schlumberger. [47] Prior to the merger of Baker Hughes and Halliburton, Halliburton must divest over $5 billion of its assets according to the regulations created by US competition ...
The Conrad Schlumberger Award is an award given to one of the members of European Association of Geoscientists and Engineers. The award is given each year to one that has made an outstanding contribution over a period of time to the scientific and technical advancement of the geosciences , particularly geophysics . [ 1 ]
A cement bond log documents the evaluation of the integrity of cement work performed on an oil well. [1] In the process of drilling and completing a well, cement is injected through the wellbore and rises up the annulus between the steel casing and the formation.
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
Spectral noise logging (SNL) is an acoustic noise measuring technique used in oil and gas wells for well integrity analysis, identification of production and injection intervals and hydrodynamic characterisation of the reservoir.
Schlumberger announced in August 2015 that it was acquiring Cameron and OneSubsea for $14.8 billion. [ 13 ] In July 2024, it was announced that OneSubsea was awarded the contract to frond-end design an all electric subsea tree project from Equinor called Fram-Sør.
When Schlumberger sold the IT services business of SchlumbergerSema to Atos Origin, the Smart Card and Terminal Department was again spun off to become Axalto, which went public in 2004, with its initial public offering. On December 7, 2005, Axalto announced its merger plan with main competitor Gemplus International.