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Št. zadetkov: 3
Research on the adaptability of packers for integrated string fracturing operations in low porosity and low permeability reservoirs
Zhiyong Wang, Hao Yu, Yong Xiao, Zhaoyang Zhao, Zhanghua Lian, Fangxin Chen
Izvirni znanstveni članek
Oznake: low porosity and low permeability reservoirs;integrated pipe string;packer rubber ring;acid fracturing;finite element simulation;
To study the failure of conventional packers in the fracturing and stimulation of low-porosity and low-permeability reservoirs and reduce the failure accidents of packers in the fracturing process, a suitable integrated string packers was selected in the process of fracturing and stimulation in an o ...
Leto: 2024 Vir: Fakulteta za strojništvo (UL FS)
Investigation on the depth of slip hanger teeth bite into casing and the mechanical properties of casing under different suspension loads in ultra-deep wells
Yong Chen, Jinjin Tan, Guoping Xiao
Izvirni znanstveni članek
Oznake: WE-type slip hangers;suspension load;slip hanger bite depth;finite element simulation;casing;
There is great difficulty in controlling the setting load of the large-size slip casing hanger in the Northwest Oilfield in China, and a reasonable setting load is of great significance. This paper studied the relationship between slip hanger bite depth and suspension load in the % 273 mm WE-type sl ...
Leto: 2021 Vir: Fakulteta za strojništvo (UL FS)
ǂAn ǂefficient approximation of arbitrary curves and surfaces using intersecting polylines and meshes
Yong Kui Liu, Jian Yun, Xiao Niu Li, Borut Žalik
Izvirni znanstveni članek
Oznake: curve;surface;approximation;engineering software;
This paper presents an efficient method for approximating curves and surfaces. An idea is introduced using a circle, where an arc-intersecting polyline is used instead of the traditional inner-arc polyline. The approach is then generalized to arbitrary 2D curves. The method is extended into 3D, wher ...
Leto: 2008 Vir: Fakulteta za elektrotehniko, računalništvo in informatiko (UM FERI)
Št. zadetkov: 3
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