ID:DA08269382
Texas. University at Austin. Petroleum Extension Service
University of Texas at Austin. Division of Continuing Education. Petroleum Extension Service
PETEX
University of Texas. Petroleum Extension Service
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edited by a subcommittee of the API Southern District Study Committee on Drilling Fluids
Petroleum Extension Service, the University of Texas 1969 12th ed
Available at 1 libraries
Petroleum Extension Service, University of Texas at Austin 1968 Rotary drilling Unit 2 . Normal drilling operationse ; Lesson5
Petroleum Extension Service, University of Texas at Austin 1968 Rotary drilling Unit 2 . Normal drilling operationse ; Lesson1
Petroleum Extension Service, The University of Texas, Division of Extension 1964 2nd ed.
