Two step preparation of random polyoxadiazole copolymer and articles resulting therefrom
    2.
    发明申请
    Two step preparation of random polyoxadiazole copolymer and articles resulting therefrom 有权
    二步制备无规聚二唑共聚物和由此产生的制品

    公开(公告)号:US20070255037A1

    公开(公告)日:2007-11-01

    申请号:US11414959

    申请日:2006-05-01

    IPC分类号: C08G63/68

    CPC分类号: C08G73/08

    摘要: In a preparation of random polyoxadiazole copolymer by reaction of a mixture of oleum, hydrazine sulfate, terephthalic acid, and isophthalic acid, the improvement requires the addition of oleum in more than one step.

    摘要翻译: 在通过发烟硫酸盐,硫酸肼,对苯二甲酸和间苯二甲酸的混合物的反应制备无规聚二唑共聚物时,改进需要在多于一个步骤中加入发烟硫酸。

    Viscosity control and filtration of well fluids
    3.
    发明申请
    Viscosity control and filtration of well fluids 失效
    井液的粘度控制和过滤

    公开(公告)号:US20070215346A1

    公开(公告)日:2007-09-20

    申请号:US11804986

    申请日:2007-05-21

    IPC分类号: E21B47/00 E21B43/34

    摘要: Circulating completion, workover and drilling fluids used in hydrocarbon recovery are filtered after monitoring for viscosity, which frequently causes plugging of filters. A viscometer generates a signal representative of viscosity in the fluid; the signal is used by a programmable controller to divert viscous fluid from the filter, or to take other action to prevent damage to the filter. The viscometer can be used in various positions in the system. Fluids deemed too viscous for the filter can be sent to a viscosity-reducing device, which may be a heating, shear-thinning, or cavitation device, to reduce its viscosity, enabling the fluid to pass through a filter without fouling. After filtering and a return to a lower temperature, the fluid may be treated if necessary to become viscous again for a useful purpose. A temperature monitor can be deployed on the fluid emerging or downstream from the cavitation or other device to assist in correlating temperatures to viscosities of various fluids. The cavitation device can also be used to increase the concentration of a dilute polymer-containing fluid to a usefully viscous value.

    摘要翻译: 监测粘度后过滤碳氢化合物回收中使用的循环完井,修井和钻井液,这往往会导致过滤器堵塞。 粘度计产生代表流体中粘度的信号; 该信号由可编程控制器使用,以使来自过滤器的粘性流体转移,或采取其他措施来防止对过滤器的损坏。 粘度计可用于系统中的各种位置。 被认为对于过滤器来说太粘稠的流体可以被送到减粘装置,该装置可以是加热,剪切稀化或空化装置,以降低其粘度,使得流体能够通过过滤器而不会结垢。 过滤并返回到较低的温度后,如有必要,可以对流体进行处理以再次粘稠以用于有用的目的。 温度监测器可以部署在空化或其他装置的出现或下游的流体上,以帮助将温度与各种流体的粘度相关联。 空化装置也可以用于将含稀释的含聚合物的流体的浓度增加到有用的粘稠值。

    Treatment of cesium-containing fluids
    4.
    发明申请
    Treatment of cesium-containing fluids 失效
    含铯液体的处理

    公开(公告)号:US20070193738A1

    公开(公告)日:2007-08-23

    申请号:US11703950

    申请日:2007-02-08

    摘要: Cesium solutions are treated in a cavitation device to increase their temperature and facilitate the removal of water from them. The context is normally an oil well fluid or a mining solution. The concentrated solutions can be reused, in the case of oil well fluids, or more easily handled for recovery of the elemental cesium or cesium in the form of a salt. Thermal energy is saved by using the concentrate or the water vapor to heat various streams within the system.

    摘要翻译: 在空化装置中处理铯溶液以增加其温度并便于从它们中除去水。 上下文通常是油井液或采矿解决方案。 浓缩溶液可以在油井液的情况下重复使用,或者更容易处理以回收盐形式的元素铯或铯。 通过使用浓缩物或水蒸气来加热系统内的各种流,可节省热能。

    Separating mixtures of oil and water
    5.
    发明申请
    Separating mixtures of oil and water 失效
    分离油和水的混合物

    公开(公告)号:US20070144785A1

    公开(公告)日:2007-06-28

    申请号:US11702857

    申请日:2007-02-06

    CPC分类号: B01D17/042

    摘要: A cavitation device is used to heat and facilitation the separation of mixtures and emulsions of oil and water. Waste heat from the power source for the cavitation device may be utilized to elevate the temperature of incoming mixtures or emulsions. The heated mixture of emulsion is sent to a separation vessel where vapor may be removed and/or recovered, and where oil is removed as it separates into an identifiable layer. The separation vessel may be a flash tank.

    摘要翻译: 气蚀装置用于加热和促进油和水的混合物和乳液的分离。 来自气蚀装置的动力源的余热可用于提高进入的混合物或乳液的温度。 将加热的乳液混合物送入分离容器,其中可以除去和/或回收蒸气,并且当分离成可识别的层时将油除去。 分离容器可以是闪蒸罐。

    Downhole oil and water separator and method
    6.
    发明申请
    Downhole oil and water separator and method 有权
    井下油水分离器及方法

    公开(公告)号:US20060037746A1

    公开(公告)日:2006-02-23

    申请号:US10924161

    申请日:2004-08-23

    IPC分类号: E21B43/00 E21B43/34

    CPC分类号: E21B43/385

    摘要: A downhole oil and water separator for an oil well includes a water-selective membrane disposed in a production flowpath of the well. The water-selective membrane is operable to selectively pass water from the production flowpath to a disposal zone to increase the concentration of oil in the production flowpath at the surface.

    摘要翻译: 用于油井的井下油水分离器包括设置在井的生产流路中的水选择性膜。 水选择性膜可操作以选择性地将水从生产流程传递到处理区域,以增加在表面处的生产流程中的油的浓度。

    Genetic algorithm based selection of neural network ensemble for processing well logging data
    7.
    发明申请
    Genetic algorithm based selection of neural network ensemble for processing well logging data 有权
    基于遗传算法的神经网络集合选择,用于处理测井数据

    公开(公告)号:US20050246297A1

    公开(公告)日:2005-11-03

    申请号:US10811403

    申请日:2004-03-26

    IPC分类号: G06F15/18 G06N3/08

    CPC分类号: G06N3/086

    摘要: A system and method for generating a neural network ensemble. Conventional algorithms are used to train a number of neural networks having error diversity, for example by having a different number of hidden nodes in each network. A genetic algorithm having a multi-objective fitness function is used to select one or more ensembles. The fitness function includes a negative error correlation objective to insure diversity among the ensemble members. A genetic algorithm may be used to select weighting factors for the multi-objective function. In one application, a trained model may be used to produce synthetic open hole logs in response to inputs of cased hole log data.

    摘要翻译: 一种用于生成神经网络集合的系统和方法。 常规算法用于训练具有错误分集的多个神经网络,例如通过在每个网络中具有不同数量的隐藏节点。 使用具有多目标适应度函数的遗传算法来选择一个或多个合奏。 适应度函数包括负误差相关目标,以确保集合成员之间的多样性。 可以使用遗传算法来选择多目标函数的加权因子。 在一个应用中,可以使用经过训练的模型来响应于套管孔日志数据的输入来产生合成的开孔日志。

    Synthesis of 8-substituted xanthines
    8.
    发明授权
    Synthesis of 8-substituted xanthines 失效
    8-取代黄嘌呤的合成

    公开(公告)号:US06180791B2

    公开(公告)日:2001-01-30

    申请号:US09024252

    申请日:1998-02-17

    IPC分类号: C07D47306

    CPC分类号: C07D473/06

    摘要: A method for the treatment of cerebrovascular disorders and/or disorders associated with cerebral senility and/or other disorders which method comprises the administration of an effective, non-toxic amount of a compound of formula (I): or if appropriate a pharmaceutically acceptable salt thereof, wherein R1 and R2 each independently represent alkyl or a moiety of formula (a): —(CH2)m-A  (a) wherein m represents zero or an integer 1, 2 or 3; A represents a substituted or unsubstituted cyclic hydrocarbon radical; and R3 represents a halogen atom, a nitro group, or a group —NR4R5 wherein R4 and R5 each independently represents hydrogen, alkyl or alkylcarbonyl or R4 and R5 together with the nitrogen to which they are attached forming an optionally substituted, heterocyclic group; certain novel compounds falling within formula (I) and compositions comprising such compounds.

    摘要翻译: 用于治疗与脑衰老和/或其他疾病相关的脑血管障碍和/或障碍的方法,所述方法包括施用有效的无毒量的式(I)化合物:或如果合适的话,可药用盐 其中R 1和R 2各自独立地表示烷基或式(a)的部分:其中m表示0或整数1,2或3; A表示取代或未取代的环状烃基; 并且R 3表示卤素原子,硝基或-NR 4 R 5基团,其中R 4和R 5各自独立地表示氢,烷基或烷基羰基或R 4和R 5与它们所连接的氮一起形成任选取代的杂环基; 落在式(I)中的某些新化合物和包含这些化合物的组合物。

    Substituted xanthines and their use in the treatment of cerebrovascular
disorders and other diseases
    9.
    发明授权
    Substituted xanthines and their use in the treatment of cerebrovascular disorders and other diseases 失效
    取代黄嘌呤及其用于治疗脑血管疾病和其他疾病的用途

    公开(公告)号:US5981535A

    公开(公告)日:1999-11-09

    申请号:US474093

    申请日:1995-06-07

    CPC分类号: C07D473/06

    摘要: A method for the treatment of cerebrovascular disorders and/or disorders associated with cerebral senility and/or allergic disorders, proliferative skin disorders, and bronchodilation which method comprises the administration of an effective, non-toxic amount of a compound of formula (I): ##STR1## or if appropriate a pharmaceutically acceptable salt thereof, wherein R.sup.1 and R.sup.2 each independently represent alkyl or a moiety of formula (a):--(CH.sub.2).sub.m --A (a)wherein m represents zero or an integer 1, 2 or 3; A represents a substituted or unsubstituted cyclic hydrocarbon radical; andR.sup.3 represents a halogen atom, a nitro group, or a group --NR.sup.4 R.sup.5 wherein R.sup.4 and R.sup.5 each independently represents hydrogen, alkyl or alkylcarbonyl or R.sup.4 and R.sup.5 together with the nitrogen to which they are attached forming an optionally substituted, heterocyclic group; certain novel compounds falling within formula (I) and compositions comprising such compounds.

    摘要翻译: 用于治疗与脑衰老和/或过敏性疾病,增殖性皮肤病症和支气管扩张相关的脑血管障碍和/或病症的方法,所述方法包括施用有效的无毒量的式(I)化合物: 或其合适的药学上可接受的盐,其中R 1和R 2各自独立地表示烷基或式(a)的部分: - (CH 2)mA(a)其中m表示0或整数1,2或3; A表示取代或未取代的环状烃基; 并且R 3表示卤素原子,硝基或-NR 4 R 5基团,其中R 4和R 5各自独立地表示氢,烷基或烷基羰基或R 4和R 5与它们所连接的氮一起形成任选取代的杂环基; 落在式(I)中的某些新化合物和包含这些化合物的组合物。

    Pharmacologically active benzopyranotriazole compounds
    10.
    发明授权
    Pharmacologically active benzopyranotriazole compounds 失效
    药理活性苯并吡喃三唑化合物

    公开(公告)号:US4427686A

    公开(公告)日:1984-01-24

    申请号:US328732

    申请日:1981-12-08

    摘要: A compound of the formula (I): ##STR1## wherein R.sub.1 is hydrogen or C.sub.1-6 alkyl;R.sub.2, R.sub.3 and R.sub.4 are the same or different and are chosen from hydrogen, hydroxyl, halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy and C.sub.1-4 alkanoyl;G is H or OH; andm and n are independently 1 to 3; with the proviso that when G is OH, one of m or n is 1; is useful in the prophylaxis and treatment of diseases whose symptoms are controlled by the mediators of the allergic response, for example asthma, hay fever, rhinitis and allergic eczema.

    摘要翻译: 式(I)的化合物:其中R 1是氢或C 1-6烷基; R2,R3和R4相同或不同,选自氢,羟基,卤素,C 1-4烷基,C 1-4烷氧基和C 1-4烷酰基; G是H或OH; m和n分别为1〜3; 条件是当G为OH时,m或n之一为1; 可用于预防和治疗其症状由过敏反应的介质控制的疾病,例如哮喘,花粉症,鼻炎和过敏性湿疹。