作　　者： ; ; ; (倪令芹）;

机构地区： 湛江南海西部石油合众近海建设有限公司广东湛江524057

出　　处： 《装备制造技术》 2013年第7期60-62,70,共4页

摘　　要： 分析了特殊螺纹套管的设计要素,研究了ZSB螺纹套管连接螺纹的结构、牙型、变螺距原理、密封结构、防松结构等问题,并给出了ZSB螺纹套管的装配图和和主要零件图结构要素。ZSB螺纹套管具有优良的承载能力、可靠的密封效果、良好的上扣和防松性能,适合在海上和和陆地油田,尤其是深海、海流复杂海域的油气钻探作业场合使用。 Major design element for special thread tubing is introduced in this paper.The problems of ZSB thread casing,like the structure between coupling and tube,the structure of thread teeth,the principle of variable pitch,the structure of sealed form and the structure of proof loose are analyzed and studied.Corresponding assembly drawing and main parts diagram structure factors of ZSB thread casing are put forward.With the good performances in bearing,sealing,make-up and locking,ZSB thread casing is suitable to work both on the sea and on land,especially in the cases of oil and gas drilling in the deep sea and current complex areas.

关 键 词： 螺纹套管 结构设计 螺纹牙型 变螺距 防松结构

领　　域： [石油与天然气工程]