Application of basic engineering components from bearing and fasteners to complex
systems of sheet metal forming, pumps, valves or piston-cylinder assembly of engines …

Purpose To maintain the well integrity, the strength and sealing ability of premium
connection should be in the safe scope. ISO 13679 is widely used for evaluating the ability …

Make-up of threaded connections generates shrink-fit interference along the engaged
thread length of pin and box. Pressure on the pin-box interface, together with Poisson's ratio …

To maintain the well integrity, the strength and sealing ability of premium connection should
be in the safe scope. ISO 13679 is widely used for evaluating the ability of tubing and casing …

Leakage resistance of casing connections can be evaluated by extremely expensive testing
procedures. Although testing is required for connection validation, significant amount of …

An oil field in Xinjiang, China, experienced a casing failure rate of 15 to 30% in thermal
wells, mainly relating to inadequate protocols of casing design. This paper presents a new …

Recent papers introduced a triaxial leak criterion with hydrostatic dependence through the
Mean Normal Stress P defined as the average of the three normal stresses. The new …

The seal failure of tubing and casing connections compromises underground gas storage
well safety. This work proposes a systematic uncertainty analysis framework for connection …

Understanding of material properties for tubular design under high-pressure/high-
temperature (HP/HT) conditions goes well beyond the basics of the classic methods …

为了解不同温度下依靠主密封面密封的特殊螺纹油管接头的力学行为, 为特殊螺纹油管接头的
设计和使用提供依据, 采用Abaqus 有限元软件建立了特殊螺纹油管接头三维有限元模型 …