CAJ | 학술논문

针对油管和套管标准中批的定义、硬度试验、硫化物应力开裂试验（SSC）、抗挤毁试验、接箍钢级替代、接箍承载面宽度以及偏梯形螺纹黑皮扣这7个未明确或存在疑义的条款进行分析。提出了一些合理化建议，为采购方在订货时和制造厂生产油管和套管产品时进行质量控制提供参考。
침대유관화투관표준중비적정의、경도시험、류화물응력개렬시험（SSC）、항제훼시험、접고강급체대、접고승재면관도이급편제형라문흑피구저7개미명학혹존재의의적조관진행분석。제출료일사합이화건의，위채구방재정화시화제조엄생산유관화투관산품시진행질량공제제공삼고。
There are seven terms which are indefinite and still in doubt in tubing and casing stand-ard.The terms which include the definition of the lot,hardness test,sulfide stress cracking test (SSC),collapsing test,couplings alternative grade,width of coupling bearing face and black crest of buttress threads are analyzed.Some appropriate proposals are developed for purchaser to place order and manufacturer to control quality of tubing and casing.