天然气下游价格风险传导模型研究

本文通过分析天然气下游价格风险的传导途径,提出了应用沙堆模型分析了天然气下游价格风险的传导机理,并模拟了其价格雪崩过程。结合前人的研究成果,判断该风险传导网络是无标度网络。得出结论,只有提高每一位利益相关者的风险忍受阀值和控制该系统的Hub点的行为,才能有效的控制整个下游价格风险传导网络。     

钻柱纵向振动的计算

钻井过程中钻具失效问题严重。本文在理论分析的基础上,对纵向振动进行了较好的数值分析。研究表明,整体钻柱纵向振动特性受钻柱规格以及长度影响。长度增加,钻柱相应各阶固有频率显著降低。纵向振动还与钻铤的长度有关,当钻铤长度增加时固有频率略有下降。计入钻井液附加质量效应后,钻柱的各阶固有频率显著降低。分析表明,钻井液阻尼对钻柱动力安全性有一定的积极意义。     

烟气中汞监测方法研究

本文介绍阐述了冷蒸气原子吸收光谱法、塞曼调制原子吸收光谱法、冷蒸气原子荧光法、原子发射光谱法、紫外差分吸收光谱法等气态元素汞的不同分析方法。并通过实验分析了汞浓度同信号的关系和SO2气体对汞监测的影响。     

海洋石油113燃气轮机压气机段漏油问题的原因分析及处理

文章通过对BZ25-1油田索拉Titan 130燃气轮机投入使用3 000小时后发现的压气机段的漏油故障,进行总结和分析,为今后解决类似问题提供可借鉴的经验。     

我国城市自然灾害与应急管理体系研究

对我国城市面对的突发自然灾害形势和特点进行了分析,认为我国城市自然灾害风险高,具有灾害形势复杂、救灾工作难度大的特点,目前我国城市灾害应急体系建设具备法制、体制、预案、人才基础,但也存在法制不健全、机制不完善、灾害意识淡薄的问题,提出了完善体制机制、健全机构、提高承灾能力、增强居民应对能力的相关对策和建议。     

Recovery of hidden state participation effects on oil and gas asset values

Commodity price shocks are shown to cause shifts in both the quantity and timing of risk in natural resource assets. We provide evidence that static risk measures understate the periodicity of price risk implicit in depleting assets. Risk measurement is demonstrated to be asset specific and to vary heterogeneously in response to the combined effects of state participation and market factors. We use a global sample of oilfield assets to demonstrate that oilfield participation terms cause corporate asset cash flows, volatility horizons and minimum variance hedge ratios to vary in response to oil price. We provide additional insights into movements in the timing of physical oil and gas asset risk, a hidden effect not recoverable from market oil prices. Temporal variance for physical assets is shown to be a hidden dimensional outcome of the effects of market factors and state participation.     

Rating of worry about energy sources with respect to public health,environmental health,and workers

Environmental risks of different energy sources pose a significant problem for managers, decision-makers, and the general public. Attitudes and perceptions may differ by type of energy, as well as the recipient of the harm. A post-Fukushima survey of students and others in a university community in central New Jersey was conducted to determine how much people worried about the potential effects of different energy types (nuclear, chemical, coal, hydroelectric, solar, wind, and gas), which aspect they worried about (public health, workers, and the environment), and which form they thought the USA should further develop. Ratings for worry varied significantly by energy type and receptor type. In general, worry was greater for all aspects of chemical, coal, nuclear, and gas, and significantly less for hydro, solar, and wind. Worry was generally higher for exposure from the plant, exposure from food and water, exposure to workers, and exposure for wildlife than for either transportation issues or exposure from everyday occurrences. The same exposures (or targets) were rated for each energy source. The greatest worry for each energy type was as follows: (1) nuclear exposure to radiation in food, although worker exposure and exposure from the plant were very close, (2) chemical exposure was from accidents in the plant, (3) coal was from harmful effects of mercury on wildlife, (4) hydro was from contamination of drinking water, (5) solar was from harmful UV radiation exposure in wildlife, (6) wind was from mortality of birds due to wind turbines, and (7) gas was from harmful gas exposure to wildlife. Overall, the highest rated features in terms of worry (four of seven energy forms) were for wildlife. The survey population believed that wind, solar, tidal, and hydro power should be developed further, and coal should be developed the least.     

Managing in conflict: How actors distribute conflict in an industrial network

IMP researchers have examined conflict as a threat to established business relationships and commercial exchanges, drawing on theories and concepts developed in organization studies. We examine cases of conflict in relationships from the oil and gas industry's service sector, focusing on conflicts of interest and resources, and conflict as experienced by actors. Through a comparative case study design, we propose an explanation of how actors manage conflict and manage in conflict given that they tend to value and maintain relationships beyond episodes of exchange. We consider conflicts in relationships from a network perspective, showing that actors experienced these while adapting to changes in their business setting, modifying their roles in that network. By identifying conflict with the organizing forms of relationship and network, we show how actors formulate conflict through pursuing and combining a number of strategies, distributing the conflict across an enlarged network.     

嘉禾矿V煤层瓦斯基础参数测定及研究

为了避免瓦斯抽采设计的盲目性和不合理性,需要对矿井煤层的瓦斯基本情况有准确的把握。本文通过对嘉禾矿井V煤层瓦斯基础参数进行测定,分析掌握矿井瓦斯的赋存规律、煤的相关物理性质等特征,为该煤层瓦斯综合治理方案制订及抽采设计提供有力的科学依据。     

瓦斯爆炸阻隔爆技术的研究与发展

对国内目前应用广泛的被动隔爆技术和自动隔爆技术等抑爆技术进行了总结和概述,分析了优缺点,介绍分析了国内外一些先进研究成果,有采用真空腔体阻爆技术,新型水幕阻爆技术,HS ExploSpot瓦斯阻燃抑爆系统技术和多孔材料阻爆技术等,这些技术在一定程度上为瓦斯爆炸防治领域开辟了新的途径。