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    • 7. 发明申请
    • LINING OF WELLBORE TUBING
    • 井筒管
    • US20100247794A1
    • 2010-09-30
    • US12415297
    • 2009-03-31
    • Louise BaileyBenoit VidickPaul WayJohn Cook
    • Louise BaileyBenoit VidickPaul WayJohn Cook
    • C08J7/04C08F2/48
    • C08F2/48C08F2/46C08F222/1006E21B7/02E21B7/025E21B19/14E21B19/24E21B29/10E21B33/038E21D20/003
    • A method of lining tubing within a wellbore comprises applying a polymerisable fluid composition containing a photoinitiator to the interior surface of that tubing and initiating polymerisation of the composition by exposing it to actinic radiation, suitably light or ultraviolet with wavelength 250 to 800 nm. The composition is preferably stable against heat but polymerises quickly when exposed to the actinic radiation. The composition may be spread onto the tubing and exposed to actinic radiation as soon as it has been spread into a layer, suitably with a tool which skims the tubing surface with applicator pads for dispensing and spreading the composition, immediately followed by exposing the spread composition to actinic radiation. A second option is that the composition is provided as a sleeve which is expanded against the tubing, exposure to actinic radiation preferably then being achieved by means of light guides or light emitting diodes within the sleeve.
    • 将管内衬在井筒内的方法包括将含有光引发剂的可聚合流体组合物施用于该管的内表面,并通过将组合物暴露于光化辐射,适当地为波长为250至800nm的光或紫外线而开始聚合。 该组合物优选抗热稳定性,但当暴露于光化辐射时,其快速聚合。 组合物可以扩散到管道上并且一旦它已经被扩散到一层中就被暴露于光化辐射,适当地用一个工具,该工具用用于分配和铺展组合物的施用器垫片来刮除管道表面,然后立即暴露扩展组合物 光化辐射。 第二个选择是组合物被提供为套筒,该套筒相对于管道膨胀,暴露于光化辐射,优选地随后通过套筒内的光导或发光二极管实现。
    • 8. 发明申请
    • RHEOLOGICAL MEASUREMENT OF FILTERCAKE
    • 过滤器的流变测量
    • US20100126252A1
    • 2010-05-27
    • US12597624
    • 2008-03-19
    • Louise BaileyGerald Henry Meeten
    • Louise BaileyGerald Henry Meeten
    • G01N11/14
    • G01N11/14G01N33/2823G01N2203/0676
    • A rheometer is provided for measuring rheological properties of a filtercake. The rheometer comprises a cell for containing a pressurised fluid supporting a particulate suspension. The cell has two outlets for removing the fluid from the cell. The cell further has a respective foraminous body at each outlet, such that the particulate suspension forms a filtercake on a surface of each foraminous body as pressurised fluid filters through the body when the fluid passes from the cell to the respective outlet. The foraminous bodies are translatable relative to each other, such that the filtercakes formed on said surfaces can be approached to form a unified filtercake. The foraminous bodies are also rotatable relative to each other. The rheometer further comprises a torque sensor for measuring a torque required to rotate the foraminous bodies relative to each other. The measured torque is indicative of one or more rheological properties of the unified filtercake.
    • 提供流变仪用于测量滤饼的流变性能。 流变仪包括用于容纳支撑颗粒悬浮液的加压流体的池。 电池具有用于从电池中除去流体的两个出口。 细胞在每个出口处还具有相应的多孔体,使得颗粒状悬浮液在每个多孔体的表面上形成滤饼,因为当流体从细胞通过相应出口时,加压流体通过身体过滤。 多孔体可以相对于彼此平移,使得形成在所述表面上的滤饼可以接近以形成统一的滤饼。 多孔体也可相对于彼此旋转。 流变仪还包括用于测量相对于彼此旋转多孔体所需的扭矩的扭矩传感器。 测量的扭矩表示统一滤饼的一个或多个流变特性。