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gemalto.com. Gemalto was an international digital security company providing software applications, secure personal devices such as smart cards and tokens, e-wallets and managed services. It was formed in June 2006 by the merger of two companies, Axalto and Gemplus International. Gemalto N.V.'s revenue in 2018 was €2.969 billion.
Techlog is a Schlumberger owned Windows based software platform intended to aggregate all the wellbore information. It allows the user to interpret any log and core data. It addresses the need for a single platform able to support all the wellbore data and interpretation integration workflows, reducing the need for a multitude of highly ...
The equipment was stopped, and the logging cable was connected to the surface potentiometer and to a battery power supply to make a measurement. The logging rate was about 50 meters per hour. The Schlumberger brothers called this technique an "Electrical Survey", but the more common name "well log" was coined a few years later in the United States.
Schlumberger is a leading oilfield services company that provides technology for reservoir characterization, drilling, production, and processing.
The following tables list smart cards used for public transport and other electronic purse applications.
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). Some types of geophysical well logs can be done ...
Nuclear magnetic resonance (NMR) v. t. e. Logging while drilling (LWD) is a technique of conveying well logging tools into the well borehole downhole as part of the bottom hole assembly (BHA). Although the terms Measurement while drilling (MWD) and LWD are related, within the context of this section, the term MWD refers to directional-drilling ...
Spontaneous potential log, commonly called the self potential log or SP log, is a passive measurement taken by oil industry well loggers to characterise rock formation properties. The log works by measuring small electric potentials (measured in millivolts) between depths with in the borehole and a grounded electrode at the surface.