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Schlumberger method. In the Schlumberger method the distance between the voltages probe is a and the distances from voltages probe and currents probe are c (see figure above). Using the Schlumberger method, if b is small compared to a and c, and c>2a, the apparent soil resistivity value is:

Schlumbergera is a small genus of cacti with six to nine species found in the coastal mountains of south-eastern Brazil.These plants grow on trees or rocks in habitats that are generally shady with high humidity, and can be quite different in appearance from their desert-dwelling cousins.

Conrad developed the Schlumberger array, which was a technique for prospecting for metal ore deposits, and the brothers adapted that surface technique to subsurface applications. On September 5, 1927, a crew working for Schlumberger lowered an electric sonde or tool down a well in Pechelbronn, Alsace, France creating the first well log.

Joint venture with Schlumberger (2000-2006) In 1999, the only new seismic technology that was being introduced was the 4-dimensional seismic survey monitoring. In 2000, during a downturn in the petroleum industry, the company merged its Western Geophysical division with Schlumberger's Geco (Geophysical Company of Norway) to form WesternGeco.

Schlumbergera russelliana is a species of plant in the family Cactaceae.It is endemic to a small area of the coastal mountains of south-eastern Brazil where its natural habitat is moist forest.

Places. Sao civilisation, in Middle Africa from 6th century BC to 16th century AD; Sao, a town in Boussé Department, Burkina Faso; Saco Transportation Center (station code SAO), a train station in Saco, Maine, U.S.