Scientific Drilling International (SDI)

SDI, September 20th, 2013


Scientific Drilling International, Inc. (SDI) is a privately-held, global company specializing in wellbore navigation, directional drilling, surveying and logging for the oil and gas industry. Headquartered in Houston, Texas, USA; SDI oversees offices in more than a dozen countries, including a number of districts throughout the United States and Canada. Operations throughout Europe and the Middle East are managed by its regional division, known as Scientific Drilling Controls Ltd (SDC). Applied Technologies Center (ATC) is SDI’s research and development organization.

Scientific Drilling Controls was founded in 1969 by James Murray, an engineer from California.

The company introduced the world’s first downhole electronic steering tool for wellbore navigation (“The Eye”). This tool was used by directional drillers to accurately orient downhole motors to deviate wellbores. From the success of the product, Scientific went on to expand around the United States, acquiring a survey company and opening both national and international locations. Formation of the Survey Division occurred in 1975, and in 1977, the world’s first surface readout gyro (SRG) tool was introduced. Expansion in both product and service range continued into the late 1970s and early 1980s, during which time SDC changed its name to Scientific Drilling International (SDI) and was sold to AMF.

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