Full-scale drilling for shale gas has been deepening, and the horizontal definitions have
been increasing for drilling efficiency. Pressures and bending stresses are generated in the …

Thermal well technologies, such as Cyclic Steam Stimulation (CSS) and Steam Assisted
Gravity Drainage (SAGD), are widely used for the exploration of heavy oil and oilsands …

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 …

The integrity of perforated liners is crucial in geothermal production wells and this should be
well designed according to correct standards. The available geothermal standards, such as …

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

Summary The American Petroleum Institute (API) equation for internal leak of API
connections is uniaxial because it ignores axial force and external backup pressure. The …

This paper proposes a new approach for modeling connection makeup, using a material
strain-rate dependant model. Abaqus analysis examples are presented to demonstrate the …

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

Advanced Finite Element Analysis (FEA) was performed to investigate the sealability of an
API LTC connection under combined loads including tension, compression, internal …

套管螺纹接头磨损是影响套管柱密封和结构完整性的重要原因之一. 由于套管螺纹接头结构特点
复杂, 目前对套管螺纹接头在磨损工况下的力学性能研究较少. 建立TPCQ …