The principal objectives of the Ph.D. program are to provide students an opportunity to reach a critical understanding of scientific principles underlying their fields of interest and to cultivate their ability to apply these principles creatively through training in advanced methods of analysis, research, and synthesis.
September 2025
College of Engineering and Natural Sciences
Keplinger Hall, Room 207,
800 South Tucker Drive,
TULSA,
Oklahoma,
74104, United States
All applicants are required to take the General Graduate Record Examination. Students with B.S. degrees in disciplines other than geology may wish to take the Advanced Graduate Record Examination in their major; Applicants whose native language is not English must take the TOEFL examination and score at least 90 on the internet-based exam, or 577 on the paper exam, with at least a score of 22 on the Writing subsection. Non-native English speakers may also submit a minimum score of 6.5 from the IELTS examination. Exceptional applicants with TOEFL scores below these published minimums may be admitted conditionally and required to take deficiency courses in English or retake the TOEFL examination.
*There may be different IELTS requirements depending on your chosen course.
