
	EDTI's founder, Jack Estes, worked for Standard Oil Company of Indiana between 1965 and 1990. For about half of that time, Jack was the supervisor of oil and gas well drilling chemistry and drilling technology research.


	EDTI generates profits for stockholders, provides employment security for employees, and creates value for communities in which the Company operates.

Offices and classroom are in the Mingo Valley Trade Center,
10205-B East 61st South
Tulsa Oklahoma 74133
Telephone: (918) 294-0394

Contact Us - Specialists Drilling Engineering

Office Personnel Are:
Jack C. Estes, President
Kathy Trigg, Administrative Manager
Nantelle Kemp, PhD, Manager of API Drilling Mud Lab
Marwin Kemp, PhD, Laboratory Manager
Shirley Sellers, Geo-Chemist

ASSOCIATE INSTRUCTORS
Ken Bridges, PhD, SPE Completion Fluids
Hal Kendall, PhD, MMS Well Control