The Ultimate Partner In Wellbore Placement

Scientific Drilling International (SDI) is an independent directional drilling and wellbore navigation, surveying and logging service company serving customers worldwide.

Pioneering Directional Drilling Technology

SDI was founded in Houston, TX in 1969, and that same year introduced “The EYE,” the oil and gas industry’s first commercial downhole, electronic steering tool.

SDI maintains that pioneering spirit, developing key technologies which have resulted in A History of Firsts for SDI within the industry.

Corporate Brochure. Also available in Spanish, Russian.

Today, SDI is a leading provider in the global wellbore navigation services market as well as the US directional services market. SDI is the only company to offer a complete navigation solution for the energy services sector that includes High Accuracy Gyro Survey, MWD, LWDMagTraC MWD Ranging™, and Cased Hole Solutions.

The company serves a diverse range of customers in all energy sectors. Besides participating in some of the most complex conventional and unconventional oil and gas projects in the world, SDI also has extensive experience in working on geothermal wells and drilling horizontal laterals in coalbed methane reservoirs.


Global Presence

In addition to our offices in the United States, SDI has operations located in Canada, Europe, Asia Pacific and the Middle East, with its newest locations in Russia, China and Romania. The company has established new operations in Latin America.

View our office locations.