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    • 2. 发明授权
    • Well sealing method and apparatus
    • 密封方法和装置
    • US06923263B2
    • 2005-08-02
    • US10381608
    • 2001-09-24
    • Robert David EdenRobert Henry Eden
    • Robert David EdenRobert Henry Eden
    • C09K8/42E21B33/134E21B33/00
    • E21B36/00C09K8/42E21B33/134
    • An apparatus for forming a plug in a casing includes a body of plug material and a carrier for insertion into a casing. The carrier supports the body of plug material. The carrier includes a mandrel and at least two circular flanges spaced apart along the mandrel. The carrier also includes a heater for heating the mandrel. The mandrel is heated to a temperature above the melting point of the material and the plug material slumps into the casing between the at least two circular flanges. The at least two circular flanges force the expanded solidifying plug material against the casing which aids the transfer of heat between the mandrel and the plug material, and resists creep of the solidified material along the casing.
    • 用于在壳体中形成插头的装置包括插头材料体和用于插入壳体的托架。 载体支撑插塞材料的主体。 载体包括心轴和沿心轴间隔开的至少两个圆形凸缘。 载体还包括用于加热心轴的加热器。 心轴被加热到高于材料熔点的温度,并且塞子材料在至少两个圆形凸缘之间下降到壳体中。 至少两个圆形凸缘迫使膨胀的固化塞材料抵靠壳体,这有助于在心轴和塞子材料之间传递热量,并且抵抗固化材料沿壳体的蠕变。
    • 3. 发明授权
    • Efficient method for subsurface treatments, including squeeze treatments
    • 有效的地下处理方法,包括挤压处理
    • US06401816B1
    • 2002-06-11
    • US09518133
    • 2000-03-03
    • Ronald R. PriceRobert David EdenBruce P. Gaber
    • Ronald R. PriceRobert David EdenBruce P. Gaber
    • A01N2508
    • C09K8/92C09K8/536
    • A method for delivering encapsulated materials to a subsurface environment, for the treatment of the subsurface environment, has the steps of: (a) loading the lumen of hollow microtubules with an active agent selected for treating the subsurface environment, where the hollow microtubules are compatible with the subsurface environment; and (b) administering the hollow microtubules to the subsurface environment, permitting the controlled release of the active agent into the subsurface environment. This method may be practiced using a slurry of hollow microtubules, where the lumen of these microtubules is loaded with an agent for the treatment of petroleum well environments, and where these loaded microtubules are dispersed in a liquid phase carrier selected from aqueous carriers, non-aqueous carriers, and emulsions of aqueous and non-aqueous materials. This method may also be practiced using a pill made of a consolidated mass of tubules loaded with one or more active agents, typically bound with a binder.
    • 将封装的材料递送到地下环境以用于处理地下环境的方法具有以下步骤:(a)用选择用于处理地下环境的活性剂加载中空微管的内腔,其中中空微管是相容的 与地下环境; 和(b)将空心微管施用于地下环境,允许活性剂受控释放到地下环境中。 该方法可以使用中空微管的浆液来实施,其中这些微管的管腔装载有用于处理石油井环境的试剂,并且其中这些负载的微管分散在选自水性载体,非水溶性载体的液相载体中, 含水载体和水性和非水性材料的乳液。 也可以使用由装有一种或多种通常与粘合剂结合的活性剂的固体的小管制成的丸来实施该方法。
    • 5. 发明授权
    • Electrochemical noise measurement to assess cellular behavior and
metabolic activity
    • 电化学噪声测量以评估细胞行为和代谢活动
    • US6010889A
    • 2000-01-04
    • US817290
    • 1997-06-23
    • David GeareyDavid Edward WoolleyRobert David Eden
    • David GeareyDavid Edward WoolleyRobert David Eden
    • C12M1/34C12M3/04G01N33/487C12N13/00C12Q1/02G01N27/26
    • G01N33/4833
    • A method and apparatus is presented for analyzing directly obtained electrochemical noise measurements at cellular surfaces to assess cellular behavior and metabolic activity. The apparatus comprises a container (1) into which culture medium containing the cells to be assessed (2) has been introduced. Located within the container and partially submerged by the culture medium is a main electrode (3) which is a chemically inert electrically conductive surface such as gold film. This electrically conductive surface supports the adherent, viable cells to be assessed, and which may have been previously grown on the electrode to near confluence. The container is closed by a lid (4) which is penetrated by a tube (5) filled with an electrochemically conducting medium that is in electrochemical contact with a reference electrode. The end of the tube (5) is immersed in the culture medium. A further tube is provided through which test factors such as stimulants or suppressants can be injected into the container as indicated by the arrow. The directly measured electrochemical noise reflects metabolic activity of the cell at the cell surface. Fluctuations in the electrochemical noise are analyzed in the conventional manner and correlated with cellular activity.
    • PCT No.PCT / GB95 / 02297第 371日期:1997年6月23日 102(e)日期1997年6月23日PCT提交1995年9月29日PCT公布。 公开号WO96 / 10742 日期1996年4月11日提出了一种用于分析直接获得的细胞表面的电化学噪声测量以评估细胞行为和代谢活性的方法和装置。 该装置包括容器(1),其中已经引入含有待评估细胞(2)的培养基。 位于容器内并被培养基部分浸没的是主要电极(3),其是诸如金膜的化学惰性导电表面。 该导电表面支持待评估的粘附的活细胞,并且其可以先前在电极上生长至接近汇合。 容器被盖(4)封闭,盖子(4)被填充有与参比电极电化学接触的电化学传导介质的管(5)穿透。 将管(5)的末端浸入培养基中。 提供另一个管,如箭头所示,可以将诸如兴奋剂或抑制剂的测试因子注入容器中。 直接测量的电化学噪声反映了细胞表面细胞的代谢活性。 电化学噪声的波动以常规方式分析,并与细胞活性相关。