Care and use of sucker rods; prepared in co-operation with University of California, Division of Vocational Education, and American Petroleum Institute, Division of Production, Central Committee on Training. Approved by American Association of Oilwell Drilling Contractors, Committee on Research and Education. (Vocational training courses, petroleum industry series)
Care and use of sucker rods; prepared in co-operation with University of California, Division of Vocational Education, and American Petroleum Institute, Division of Production, Central Committee on Training. Approved by American Association of Oilwell Drilling Contractors, Committee on Research and Education.
(Vocational training courses, petroleum industry series)