Results 41 to 50 of about 389 (87)
Study on characteristics of methane adsorption and thermodynamic in water-bearing shale [PDF]
Shale reservoirs generally contain water that has a significant impact on shale gas adsorption behavior and geological reserve evaluation. In order to explore the influence of water content on gas adsorption behavior in shale, an adsorption model ...
Bobo LI +5 more
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NiMx/SiO2 Prepared with Urea Precipitation : An Investigation on the Deactivation and Stability in Partial Oxidation of Methane (POM) [PDF]
, 2016 甲烷部分氧化（POM）制合成气是甲烷转化的有效途径，Ni基催化剂因价格便宜、反应活性高（反应活性与贵金属相当）成为甲烷部分氧化反应中应用最广泛的催化剂。但Ni基催化剂常因烧结、积炭而失活，尤以负载型Ni/SiO2催化剂为甚。因此，解决催化剂的失活问题，提高催化剂的抗积炭抗烧结性能，是提高甲烷部分氧化催化剂反应活性和稳定性的关键。 本工作以贵金属、其它过渡金属氧化物添加为出发点，采用尿素沉淀法制备了一系列NiMx/SiO2催化剂，结合XRD、TEM、XPS、H2-TPR等表征手段 ...
王雅莉
core
Gas-water interaction in confined space of shale kerogen [PDF]
Understanding the shale matrix-fluid interactions is crucial for evaluating gas-in-place resources and the gas production potential in shale gas reservoirs.
Chu ZHANG +3 more
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能源革命促进中国清洁低碳发展的“攻关期”和“窗口期” [PDF]
, 2018 中国正处于经济发展和低碳清洁转型的关键时期。能源生产和消费革命的核心是能源供给侧和能源消费改革及创新。党的十九大报告指出要推进能源生产和消费革命,构建清洁低碳、安全高效的能源体系。本文通过分析能源革命的必要性和紧迫性,指出目前能源革命正处于重要的时间窗口。由于能源消费和生产革命对促进低碳清洁转型的重要作用,以及能源制度对低碳清洁转型的保障作用,所以需要通过能源生产和消费革命完善能源体制,以支持中国低碳清洁转型顺利推进。在分析讨论的基础上,本文提出,需准确理解能源生产和消费革命 ...
林伯强
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Shale-pore Semantic Segmentation Network Based on Pseudo-labeling [PDF]
Shale pore structures contribute significantly to shale gas reservoirs, with their shape, size, connectivity, and development directly affecting storage.
Chenzhang WANG, Yanfei WANG, Zhijing BAI
core +1 more source
Shiyou jixie, 2015 为提高页岩气钻井效率、减少钻头泥包，根据现场常用PDC钻头建立三维流域模型，将岩屑模拟为从井底面射入流场的球状颗粒，用拉格朗日粒子追踪法描述固相，将钻头体DPM边界条件设置为捕获，以岩屑颗粒捕获率作为反映泥包可能性的评价参数，结合井底流场结构特点，模拟分析了岩屑输运与黏附规律。数值模拟结果表明，井底岩屑输运时沿程存在碰撞与反弹的不规则三维运动，这导致部分岩屑黏附到钻头体表面；对于不同尺寸的岩屑颗粒，各刀翼和排屑槽的岩屑颗粒捕获率Ra呈类似的变化规律，当岩屑粒径为10 mm时Ra最大，当粒径小于1 mm时，
陈修平 +5 more
doaj
Shiyou jixie, 2014 非常规油气藏开采难度大，开发成本高，原有的水平井管内分段压裂技术存在分段级数少、压裂规模小等问题，无法满足非常规油气资源高效开发的要求。为此，分析了水平井泵送桥塞、固井投球滑套、连续管拖动封隔器等多级分段压裂新技术，其中，泵送桥塞射孔多级分段压裂技术分段级数不受限制，适合大排量、大液量压裂要求，是页岩油气开发的利器。固井投球滑套分段压裂技术滑套可重复开启，能满足选择性生产、堵水及重复性压裂的需求。各种水平井管内多级分段压裂新技术的成功应用，为非常规油气藏开发提供了强有力的技术支持。
伊西锋
doaj
Youqicang pingjia yu kaifa, 2020 Because of the importance of preservation conditions and shale pore evolution to shale gas exploration and development, it is of great scientific significance and academic value to study the relation between them.
LIU Shugen +9 more
doaj
Influence of Global Oil Price Fluctuation on Stock Price of Listed Companies in Oil Industry [PDF]
, 2016 石油作为一种重要的能源产品，是整个经济的动脉，随着我国经济的快速增长，对石油的需求量也逐年上升，石油对外依存度越来越高，石油带来的能源安全问题成为一个广受关注的话题。国际原油价格的波动通过影响企业生产成本、国际收支、金融市场预期等对宏观经济产生影响，逐渐成为制约经济稳定发展的因素。随着国际金融市场的发展，石油的金融属性也越来越明显。国际油价波动与金融市场的相互作用也越来越成为人们关注的话题。股票价格作为金融市场最直接的表现，其波动和起伏不可避免地受到国际油价的走向的影响 ...
马亚楠
core
Stress wave attenuation and damage patterns of shale under methane/oxygen explosion [PDF]
Methane in-situ explosion fracturing of shale is a revolutionary technology that utilizes the methane analyzed from shale reservoirs and the input combustion aids to carry out explosion reactions, thereby forming a three-dimensional fracture network in ...
CAO Xiaolong +7 more
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