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

Pioneering Directional Drilling Technology

Scientific Drilling International 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.

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

Today, Scientific Drilling International is a leading provider in the global wellbore navigation services market as well as the US directional services market. Scientific Drilling International is the only company to offer a complete navigation solution for the energy services sector that includes High Accuracy Gyro Survey, MWD, LWD, a suite of high-accuracy Magnetic Ranging services (passive and active), 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.

About Us

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

Mission, Vision & Values

Scientific Drilling International (SDI) strictly adheres to our Core Values to drive our Vision and Mission, which are the foundation of our success.


The Scientific Drilling Leadership Team

Board of Directors

The Scientific Drilling Board of Directors

Research & Development

More than 80 scientists, engineers and technicians, work in Scientific Drilling’s R&D centers in California, Texas and Germany - designing, engineering, building and manufacturing all of our directional drilling and wellbore navigation technologies.


Scientific Drilling International has a long and successful history of designing, engineering, building, and manufacturing all our directional drilling technology products in-house. We are proud to design and manufacture all components down to the sensor level, ensuring product integrity and performance.

Compliance & Governance

Scientific Drilling International and its subsidiaries and affiliates (SDI) are committed to conducting business with the highest level of integrity and ethics and in compliance with the letter and spirit of all applicable laws, rules, and regulations.