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Schlumberger was born of an idea—that if an electric field could be generated below ground, voltage measurements at the surface could be mapped to reveal subsurface structure. Following two years of lab and field testing, the first map of equipotential curves was recorded in 1912 using very basic equipment. The result confirmed the method while revealing underground features, such as bed boundaries and the direction of formation layer dips. This was crucial because the technique provided extra information that might be useful for locating subsurface structures forming traps for minerals such as oil and gas.
Our story begins with what it truly means to be a technology innovator. Our common sense of purpose unites 85,000 people representing 170 nationalities with products, sales and services in more than 120 countries. We supply the industry’s most comprehensive range of products and services, from exploration through production, and integrated pore-to-pipeline solutions that optimize hydrocarbon recovery to deliver reservoir performance sustainably.