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. 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, LWD, MagTraC 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.