This standard specifies the classification, specimens, procedures, requirements, and reports of unshackle tests on drill tool joint threads for oil and gas exploration and development. This standard is applicable to, but not limited to, the breakout test of drilling tool threads such as drill pipes, drill collars, adapter joints, etc.
SY/T 6897-2012 Referenced Document
API RP 7G Recommended Practice for Inspection and Classification of Used Drill Stem Elements*, 2020-01-01 Update
GB/T 22512.2 Petroleum and natural gas industries.Rotary drilling equiment.Part 2: Threading and gaugingof rotary shouldered thread connections