The History of Well Logging

In 1926, brothers Conrad and Marcel Schlumberger founded Schlumberger Limited which specialises in Borehole Logging, Slimhole Logging, Oil Gas Logging and more. Conrad was originally a respected physicist and Marcel a respected engineer. During his work as a professor, Conrad thought that it would be great if you could measure the conductivity of ore beds and so he began experimenting with various tools such as a bathtub! His experiments proved to be successful and were the beginning of their road to establishing themselves as the geniuses behind well logging.

The pair began to travel all over the world from the USA to Serbia and in between. They eventually conducted their first electrical survey before signing a profitable contract with Pechelbronn oil field. Their electrical survey quickly became known as well logging, becoming more and more efficient as time passed. The Schlumberger business thrived and gained worldwide recognition. Unfortunately, Conrad passed away due to a heart attack on a flight home in 1936. Marcel lived throughout the World War II and later passed away in 1953, his son Pierre took over Schlumberger Limited and led the company forward.

Today, the brothers are recognised by geophysicists across the world. Their contribution to geophysics resulted in a Conrad Schlumberger award being established, awarded to a chosen member of the ‘European Association of Geoscientists and Engineers’ each year who has made a significant contribution to the scientific and technical advancement of the geosciences. Previous winners include Nigel Allister Anstey who is a British Geophysicist who has made outstanding contributions to seismic exploration. Nigels work has contributed to what is today, the foundation for many of the techniques used to explore oil and gas.

The techniques that have emerged from their work are a vital aspect to any work that involves drilling. They allow an in depth record of the earth's attributes to be logged which provides a wealth of knowledge that would be hard to obtain any other way.

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