Aimed at the development situation for horizontal wells in low permeability reservoirs in the Jilin Oilfield, evaluation standards are established for the geological parameters of horizontal well adaptability in low permeability reservoirs.According to different permeability grade, eight blocks of two kinds, suitable for the development with horizo

Circular Hollow Section (CHS) columns are usually used in high-rise buildings.International design specifications usually overestimate the design of the beam-to-CHS column branch plate connections.This paper numerically investigates the behavior and strength of beam-to-CHS column branch plate connections using a finite element (FE) model.The FE mod

High-maneuvering target tracking is a focused application area in radar positioning OFFICE CHAIR and military defense systems, especially in three-dimensional space.However, using a traditional motion model and techniques expanded from general two-dimensional maneuvering target tracking may be inaccurate and impractical in some mission-critical sys

Dynamic optimization problems in chemical engineering are often described by complex differential equations, In general, Due to the complexity of the model established in CleanStream practice, it is not easy to solve it with an accurate algorithm, so the study of numerical methods to solve such problems has received much attention.As a new computin