Pierre Schlumberger

Pierre Schlumberger (June 12, 1914 – February 18, 1986) was a French-born American businessman. He was the chief executive of Schlumberger, the world's largest oilfield services company.

Early life Schlumberger was born June 12, 1914 in Paris, France, the second of three children, to Marcel Schlumberger (1884–1953), a mechanical engineer and industrialist, and Jeanne Schlumberger (née Laurans; 1889–1983).

He hailed from an old, well established family that was part of the bourgeoisie of Mulhouse and Guebwiller, noted for politics, officials and industrial endeavours in the textile industry. His father, Marcel Schlumberger, co-founded Schlumberger, in 1926.

Art collector Schlumberger acquired a "superlative collection of modern art", including works by Pierre Bonnard, Henri Matisse, and Piet Mondrian; then with his second wife, São, they expanded to include contemporary artists, adding works by artists including Mark Rothko, Ad Reinhardt, Andy Warhol, and Robert Rauschenberg. Their collection was auctioned by Sotheby's over four days in November 2014, who called them "two of the most visionary collectors of the Twentieth Century." was the daughter of film producer ; they were married for two decades and had five children before she died from a stroke in 1959.

Anne-Marie Louise Schlumberger (1939–2025), a farmer and agriculturist married three times, had three sons and two stepchildren.

Pierre Marcel Schlumberger (1942–2020), an attorney, married to Lesley McCary, had two daughters. Catherine Claire Schlumberger (1943–1990) Christiane Claire Schlumberger (born 1946) Jacques Pierre Schlumberger (born 1948)

In 1961, he married Maria "São" da Conceição Diniz (1929–2007), who had been married to Pedro Bessone Basto, a Portuguese "boulevardier", for less than a year. Barbe also restored a holiday home for them on the Normandy coast and designed a new house at Tourrettes-sur-Loup on the Riviera. From 1965 to 1975, Barbe restored and updated the 18-bedroom property. The singer Madonna was thought to have bought it for €18 million in 2017, but instead chose a smaller more "manageable" house nearby.

Schlumberger, an invalid from an earlier stroke, died in Paris in 1986.