Daqing Oilfield is the largest oilfield in China. It provides 50% of China's yearly total oil production of 120 million tons. The no. 6 production plant of Daqing Oilfield is the pioneer in computer application for petroleum production in China. In 1981, the No. 6 production plant bought its first computer. In 1985, based on the comprehensive applications of computers, a network was built to connect all the information sources and decision making agents including production teams, technical service teams, geology teams, testing teams, production management and control offices. Later on, the operation system was put into the network. According to the specific situations in the oilfield, over 300 softwares were developed and their application was very fruitful. With the application of computers, oil production increased by over 1%, production cost decreased by 15%. Energy consumption and equipment damage are decreased. After the computerization in the oilfield, the no. 6 production plant gets economic benefits over 30 million Yuan (5 million U.S. dollars).
Introduction
Computer systems with their powerful hardwares and effective software packages are becoming more and more important to the petroleum industry. As early as in 1969, a computer system was successfully used to optimize oilfield production operations. This computer system is basically a data-gathering system.
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in order to improve the passengers comfort, the human engineering was used in the high-speed train seats analysis. According to the natural physiological shape, the paper was adopted the polynomial regression method in order to obtain a better kinesiology seat back curve equation. The exterior point penalty function method was adopted to optimize the curve equation. The optimized result showed that the ride comfort was enhanced. The paper used two new mathematic method in ergonomic design, and improved the high-speed seat comfort.
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