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    • 6. 发明授权
    • Methods for reducing the viscosity of treatment fluids comprising diutan
    • 包含二of的处理流体的粘度降低的方法
    • US07584791B2
    • 2009-09-08
    • US11703949
    • 2007-02-08
    • Ian D. RobbRichard W. PaulsLulu Song
    • Ian D. RobbRichard W. PaulsLulu Song
    • E21B43/27
    • C09K8/68C09K2208/26
    • Methods are provided that include a method comprising providing a treatment fluid comprising a base fluid and a gelling agent that comprises a diutan composition; providing a breaker that comprises an acid composition; allowing the breaker to interact with the treatment fluid; and allowing the viscosity of the treatment fluid to decrease. In some embodiments, the treatment fluid may comprise a base fluid, a gelling agent that comprises a diutan composition, and a breaker that comprises an acid composition. In some embodiments, the treatment fluid may be introduced into a portion of the subterranean formation at or above a pressure sufficient to create or enhance one or more fractures in the portion of the subterranean formation. Additional methods are also provided.
    • 提供了包括提供包含基础液的处理流体和包含鞣剂组合物的胶凝剂的方法的方法, 提供包含酸组合物的断路器; 允许断路器与处理流体相互作用; 并使处理液的粘度降低。 在一些实施方案中,处理流体可以包含基础流体,包含鞣剂组合物的胶凝剂和包含酸组合物的断路器。 在一些实施方案中,处理流体可以在等于或高于足以产生或增强地下地层部分中的一个或多个裂缝的压力下被引入到地下地层的一部分中。 还提供了附加的方法。
    • 7. 发明申请
    • Methods for reducing the viscosity of treatment fluids comprising diutan
    • 包含二of的处理流体的粘度降低的方法
    • US20080190609A1
    • 2008-08-14
    • US11703949
    • 2007-02-08
    • Ian D. RobbRichard W. PaulsLulu Song
    • Ian D. RobbRichard W. PaulsLulu Song
    • E21B43/27
    • C09K8/68C09K2208/26
    • Methods are provided that include a method comprising providing a treatment fluid comprising a base fluid and a gelling agent that comprises a diutan composition; providing a breaker that comprises an acid composition; allowing the breaker to interact with the treatment fluid; and allowing the viscosity of the treatment fluid to decrease. In some embodiments, the treatment fluid may comprise a base fluid, a gelling agent that comprises a diutan composition, and a breaker that comprises an acid composition. In some embodiments, the treatment fluid may be introduced into a portion of the subterranean formation at or above a pressure sufficient to create or enhance one or more fractures in the portion of the subterranean formation. Additional methods are also provided.
    • 提供了包括提供包含基础液的处理流体和包含鞣剂组合物的胶凝剂的方法的方法, 提供包含酸组合物的断路器; 允许断路器与处理流体相互作用; 并使处理液的粘度降低。 在一些实施方案中,处理流体可以包含基础流体,包含鞣剂组合物的胶凝剂和包含酸组合物的断路器。 在一些实施方案中,处理流体可以在等于或高于足以产生或增强地下地层部分中的一个或多个裂缝的压力下被引入到地下地层的一部分中。 还提供了附加的方法。
    • 10. 发明申请
    • Controlled-release vapor fuel cell
    • 控制释放蒸汽燃料电池
    • US20070190379A1
    • 2007-08-16
    • US11353463
    • 2006-02-15
    • Lulu SongJiusheng GuoAruna ZhamuBor Jang
    • Lulu SongJiusheng GuoAruna ZhamuBor Jang
    • H01M8/04H01M8/02
    • H01M8/1013H01M8/0258H01M8/0267H01M8/04186H01M8/04201H01M8/1009H01M8/1011H01M8/249Y02E60/522Y02E60/523
    • A controlled-release fuel cell comprising (a) a proton exchange membrane having a first surface and a second surface, a fuel electrode or anode being coupled to the first surface, and an oxidant electrode or cathode being coupled to the second surface; (b) a fuel flow field plate having surface channels positioned in front of the anode with the channels containing therein a controlled-release material that retains a liquid fuel at or below an ambient temperature, but releases the fuel at a temperature higher than an activation temperature to deliver a fuel vapor to the anode; (c) heating means in heat-supplying relation to the controlled-release material to activate fuel vapor release on demand at a desired rate; and (d) fuel supply means that feeds the liquid fuel to the controlled-release material. The invented fuel cell is compact and lightweight, with significantly reduced fuel crossover and improved fuel utilization efficiency. The fuel cell is particularly useful for powering small vehicles and portable devices such as a notebook computer, a personal digital assistant, a mobile phone, and a digital camera.
    • 一种控释燃料电池,包括(a)具有第一表面和第二表面的质子交换膜,连接到第一表面的燃料电极或阳极,以及耦合到第二表面的氧化剂电极或阴极; (b)燃料流场板,其具有位于阳极前面的表面通道,通道中含有控制释放材料,其将液体燃料保持在环境温度以下或低于环境温度,但在高于活化温度的温度下释放燃料 将燃料蒸气输送到阳极的温度; (c)与所述控制释放材料供热关系的加热装置,以期望的速率按要求启动燃料蒸气释放; 和(d)将液体燃料供给到控制释放材料的燃料供给装置。 本发明的燃料电池紧凑且重量轻,燃料交叉显着减少,燃料利用效率得到提高。 燃料电池对于小型车辆和便携式设备如笔记本电脑,个人数字助理,移动电话和数码相机的供电特别有用。