Well sealing method and apparatus
    1.
    发明授权
    Well sealing method and apparatus 有权
    密封方法和装置

    公开(公告)号:US06923263B2

    公开(公告)日:2005-08-02

    申请号:US10381608

    申请日:2001-09-24

    IPC分类号: C09K8/42 E21B33/134 E21B33/00

    CPC分类号: E21B36/00 C09K8/42 E21B33/134

    摘要: 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.

    摘要翻译: 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。

    Detection, measurement and control of ammonia in flue gas
    2.
    发明授权
    Detection, measurement and control of ammonia in flue gas 有权
    烟气中氨的检测,测量和控制

    公开(公告)号:US06677765B2

    公开(公告)日:2004-01-13

    申请号:US10114362

    申请日:2002-04-02

    IPC分类号: G01R2708

    CPC分类号: G01N27/041 G01N17/02

    摘要: A tubular probe has spaced apart bands or patches of the same material as the probe body attached to the probe body by an electrically insulating, high temperature material. A series of cooling tubes are provided within the probe body to direct cold air to the regions near each band. One or more probes is placed in a furnace or boiler above the ammonia injection zone. When ammonium bisulfate forms on the probe it completes an electrical circuit between the probe body and the bands and will also cause corrosion of the probe. The presence of ammonium bisulfate is detected by a change in resistance between the bands and the probe body. Electrochemical noise is generated during the corrosion process. A corrosion rate can be determined from the level or amount of electrochemical noise that is detected.

    摘要翻译: 管状探针具有与通过电绝缘的高温材料附接到探针主体的探针体相同材料的间隔开的带或贴片。 在探针体内设置一系列冷却管,以将冷空气引导到每个带附近的区域。 将一个或多个探针放置在氨注入区上方的炉或锅炉中。 当探针上形成硫酸氢铵时,它会完成探针体和带之间的电路,同时也会导致探针腐蚀。 通过带和探针体之间的电阻变化来检测硫酸氢铵的存在。 在腐蚀过程中产生电化学噪音。 可以根据检测到的电化学噪声的水平或量来确定腐蚀速率。

    Efficient method for subsurface treatments, including squeeze treatments
    3.
    发明授权
    Efficient method for subsurface treatments, including squeeze treatments 有权
    有效的地下处理方法,包括挤压处理

    公开(公告)号:US06401816B1

    公开(公告)日:2002-06-11

    申请号:US09518133

    申请日:2000-03-03

    IPC分类号: A01N2508

    CPC分类号: C09K8/92 C09K8/536

    摘要: 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.

    摘要翻译: 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。

    Method of monitoring and controlling corrosion of furnace boiler tubes

    公开(公告)号:US06478948B2

    公开(公告)日:2002-11-12

    申请号:US09793792

    申请日:2001-02-26

    IPC分类号: C23F1300

    摘要: A method for monitoring and reducing corrosion in furnace boiler tubes measures electrochemical noise associated with corrosion mechanisms while corrosion is occurring at the surface of the tubes as they are exposed to combustion products. This noise is detected using a probe at the boiler waterwall surface that is connected to a corrosion monitor. The monitor contains a computer and software which determines a corrosion rate from the measured electrochemical noise. That rate is compared to a standard to determine if the rate is within acceptable limits. If not, the operator of the furnace or an Adaptive Process Controller (APC) is notified and adjusts one or more burners to change the combustion products that are responsible for the corrosion. Such an adjustment could be made by changing the amount of air or fuel being provided to the burner or other air slots or air ports. After that adjustment is made the furnace emissions could be checked for NOx, SOx and particulate emissions and further adjustments could be made to the burners to reduce those emissions.

    Electrochemical noise measurement to assess cellular behavior and
metabolic activity
    6.
    发明授权
    Electrochemical noise measurement to assess cellular behavior and metabolic activity 失效
    电化学噪声测量以评估细胞行为和代谢活动

    公开(公告)号:US6010889A

    公开(公告)日:2000-01-04

    申请号:US817290

    申请日:1997-06-23

    CPC分类号: G01N33/4833

    摘要: 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.

    摘要翻译: 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。

    SEPARATOR AND PROCESS FOR REMOVING SOLIDS FROM DRILLING LIQUIDS
    7.
    发明申请
    SEPARATOR AND PROCESS FOR REMOVING SOLIDS FROM DRILLING LIQUIDS 审中-公开
    从钻井液中除去固体的分离器和方法

    公开(公告)号:US20090134102A1

    公开(公告)日:2009-05-28

    申请号:US12297030

    申请日:2007-04-11

    IPC分类号: B01D21/30 B01D21/00

    摘要: The invention provides a separator for the removal of solids from a drilling liquid, the separator comprising a tube settler (4) through which the drilling liquid can flow and beneath which a particle collection container is arranged for collecting solids separated from the liquid in the tube settler, wherein the solids collection container is a transportable container that is separate or separable from the tube settler. The invention further provides a process for the removal of solids from a drilling liquid using a separator, in which process a drilling liquid comprising solids is set to flow through a tube settler in order to allow the solids to settle out, thereby obtaining a solids depleted drilling liquid and an accumulation of solids. The invention also provides for the use of a separator comprising a tube settler to remove solids from a drilling liquid.

    摘要翻译: 本发明提供了一种用于从钻井液中除去固体的分离器,分离器包括管沉降器(4),钻井液体可以通过该沉降器流动,在该沉降器下面布置有颗粒收集容器,用于收集从管中的液体分离的固体 沉降器,其中固体收集容器是与管式沉降器分开或可分离的可运送容器。 本发明还提供了一种使用分离器从钻井液中除去固体的方法,其中将包含固体的钻井液体设置为流过管式沉降器以便使固体沉淀出来,从而获得固体耗尽的 钻井液和固体的积聚。 本发明还提供了使用包括管沉降器的分离器来从钻井液中除去固体。