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CGG SA (CGG) is a multinational geoscience technology services company that specializes on solving complex natural resource, environmental and infrastructure challenges.. CGG is listed on Euronext Paris, and was listed on the New York Stock Exchange until October 1, 2018.
Schlumberger. Schlumberger NV ( French: [ʃlumbɛʁʒe, ʃlœ̃b-] ), doing business as SLB, also known as Schlumberger Limited, [2] is an American oilfield services company. [3] [4] As of 2022, it is both the world's largest offshore drilling company and the world's largest offshore drilling contractor by revenue.
Conrad Schlumberger (2 October 1878 in Gebweiler ( Alsace-Lorraine) – 9 May 1936 in Stockholm) and Emile Henry Marcel Schlumberger (21 June 1884 in Gebweiler – 9 May 1953 in Val-Richer) were brothers from the region of Alsace-Lorraine, France, then a part of the German Empire. Their inventions in the area of geophysics and well logging were ...
Induced polarization. Induced polarization ( IP) is a geophysical imaging technique used to identify the electrical chargeability of subsurface materials, such as ore. [1] [2] The polarization effect was originally discovered by Conrad Schlumberger when measuring the resistivity of rock. [3]
Vertical electrical sounding ( VES) is a geophysical method for investigation of a geological medium. The method is based on the estimation of the electrical conductivity or resistivity of the medium. The estimation is performed based on the measurement of voltage of electrical field induced by the distant grounded electrodes (current electrodes).
Petrel (reservoir software) Petrel is a software platform used in the exploration and production sector of the petroleum industry. It enables the user to interpret seismic data, perform well correlation, build reservoir models, visualize reservoir simulation results, calculate volumes, produce maps and design development strategies to maximize ...
Exploration geophysics is an applied branch of geophysics and economic geology, which uses physical methods at the surface of the Earth, such as seismic, gravitational, magnetic, electrical and electromagnetic, to measure the physical properties of the subsurface, along with the anomalies in those properties. It is most often used to detect or ...
Western Geophysical was an international oil exploration company founded in California in 1933 by Henry Salvatori for the purpose of using reflection seismology to explore for petroleum . The company prospered and was sold by Salvatori to Litton Industries in 1960. [1] [2] In 1987, Litton and Dresser Industries formed a joint venture comprising ...