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    Method and Apparatus For Flow Assurance Management In Subsea Single Production Flowline
    2.
    发明申请
    Method and Apparatus For Flow Assurance Management In Subsea Single Production Flowline 有权
    海底单一生产流程中流量保证管理方法与装置

    公开(公告)号：US20100252260A1

    公开(公告)日：2010-10-07

    申请号：US12676542

    申请日：2008-08-15

    申请人： Tracy A. Fowler ,  Jim R. Bennett ,  Lionel M. Fontenette ,  Richard F. Stoisits ,  Virginia C. Witteveld

    发明人： Tracy A. Fowler ,  Jim R. Bennett ,  Lionel M. Fontenette ,  Richard F. Stoisits ,  Virginia C. Witteveld

    IPC分类号： E21B43/16

    CPC分类号： F17D1/17 ,  E21B43/01

    摘要： Managing hydrates in a subsea includes a host production facility, a production cluster comprising one or more producers, a water injection cluster comprising one or more water injectors, a water injection line, and a single production line for directing production fluid from the one or more producers to the host production facility. The methods comprise placing a pig in the subsea production system, shutting in production from the producers, and injecting a displacement fluid into the subsea production system in order to displace the hydrate inhibitor and any remaining production fluids in the production flowline and to further move the pig through the production flowline. The method may also include further injecting displacement fluid into the subsea production system in order to displace the hydrate inhibitor and pig through the single production line and to the host production facility.

    摘要翻译： 在海底管理水合物包括主机生产设施，包括一个或多个生产者的生产集群，包括一个或多个注水器的注水组，注水管线和用于将生产流体从一个或多个 生产者到主机生产设施。 所述方法包括将猪放置在海底生产系统中，关闭生产者的生产，以及将排水流体注入到海底生产系统中，以便将水合物抑制剂和任何剩余的生产流体置于生产流水线中，并进一步移动 猪通过生产流水线。 该方法还可以包括将位移流体进一步注入到海底生产系统中，以便通过单一生产线和主机生产设备来置换水合物抑制剂和猪。

    Method For Managing Hydrates In Subsea Production Line
    5.
    发明申请
    Method For Managing Hydrates In Subsea Production Line 有权
    海底生产线水合物管理方法

    公开(公告)号：US20100193194A1

    公开(公告)日：2010-08-05

    申请号：US12670994

    申请日：2008-08-21

    申请人： Richard F. Stoisits ,  David C. Lucas ,  Larry D. Talley ,  Donald P. Shatto ,  Jiyong Cai

    发明人： Richard F. Stoisits ,  David C. Lucas ,  Larry D. Talley ,  Donald P. Shatto ,  Jiyong Cai

    IPC分类号： E21B43/01

    CPC分类号： E21B37/06 ,  E21B43/01 ,  Y10T137/0352

    摘要： A method for managing hydrates in a subsea production system is provided. The production system includes a host production facility, a control umbilical, at least one subsea production well, and a single production line. The method generally comprises producing hydrocarbon fluids from the at least one subsea production well and through the production line, and then shutting in the production line. In addition, the method includes the steps of depressurizing the production line to substantially reduce a solution gas concentration in the produced hydrocarbon fluids, and then repressurizing the production line to urge any remaining gas in the free gas phase within the production line back into solution. The method also includes displacing production fluids within the production line by moving displacement fluids from a service line within the umbilical line and into the production line. The displacement fluids preferably comprise a hydrocarbon-based fluid having a low dosage hydrate inhibitor (LDHI).

    摘要翻译： 提供了一种在海底生产系统中管理水合物的方法。 生产系统包括主机生产设备，控制脐带，至少一个海底生产井和单一生产线。 该方法通常包括从至少一个海底生产井和生产线生产烃流体，然后在生产线上关闭。 此外，该方法包括对生产线进行减压以显着降低生产的烃流体中的溶解气体浓度的步骤，然后将生产线再加压以将生产线内的游离气相中的剩余气体推回溶液中。 该方法还包括通过将位移流体从脐带内的服务线移动到生产线中来移动生产线内的生产流体。 置换液优选包含具有低剂量水合物抑制剂（LDHI）的基于烃的流体。

    Simultaneous water and gas injection into earth formations
    6.
    发明授权
    Simultaneous water and gas injection into earth formations 失效
    同时将水和气体注入地层

    公开(公告)号：US5421408A

    公开(公告)日：1995-06-06

    申请号：US227837

    申请日：1994-04-14

    申请人： Richard F. Stoisits ,  Miroslav M. Kolpak ,  Gordon J. Krist ,  Tuan D. Ma ,  Richard L. Payne ,  Jeffry A. Rugen ,  Anthony C. Schwarz ,  Michael C. Vincent ,  Gary K. Youngren

    发明人： Richard F. Stoisits ,  Miroslav M. Kolpak ,  Gordon J. Krist ,  Tuan D. Ma ,  Richard L. Payne ,  Jeffry A. Rugen ,  Anthony C. Schwarz ,  Michael C. Vincent ,  Gary K. Youngren

    IPC分类号： E21B33/068 ,  E21B43/16

    CPC分类号： E21B33/068 ,  E21B43/16

    摘要： Natural gas is reinjected into an earth formation for storage and/or stimulating the recovery of hydrocarbon liquids by mixing the gas with water at a pressure sufficient to maintain bubble flow of gas dispersed in a water flowstream in a range of volumetric gas fraction up to about twenty percent of total flow. A water and gas distribution system includes static flow mixers for maintaining uniform distribution of gas bubbles in the water flow stream through the distribution conduits. The mixers may comprise multi-stage bladed mixing elements of the same or opposite pitch and extending across the intersection of branch conduits with the main conduit of the distribution system. The water and gas may be mixed in an injection well having a tubing string extending within the well and having a distal end below the point of injection into an earth formation so that a uniform gas and water mixture enters the formation through the well perforations.

    摘要翻译： 将天然气重新注入地层，用于储存和/或刺激烃类液体的回收，通过将气体与水混合，其压力足以将气体分散在水流中的气泡流在一定范围内，体积气体分数高达约 总流量的百分之二十。 水和气体分配系统包括静态流动混合器，用于保持通过分配导管的水流中气泡的均匀分布。 混合器可以包括具有相同或相对间距的多级叶片混合元件，并且延伸穿过分支管道与分配系统的主管道的交点。 水和气体可以在具有在井内延伸的管柱的注射井中混合，并且具有在注入点下方的远端到地层中，使得均匀的气体和水混合物通过井眼穿入地层。

    Petroleum production optimization utilizing adaptive network and genetic algorithm techniques
    9.
    发明授权
    Petroleum production optimization utilizing adaptive network and genetic algorithm techniques 失效
    利用自适应网络和遗传算法技术的石油生产优化

    公开(公告)号：US06236894B1

    公开(公告)日：2001-05-22

    申请号：US08994975

    申请日：1997-12-19

    申请人： Richard F. Stoisits ,  Kelly D. Crawford ,  Donald J. MacAllister ,  Michael D. McCormack

    发明人： Richard F. Stoisits ,  Kelly D. Crawford ,  Donald J. MacAllister ,  Michael D. McCormack

    IPC分类号： G05B1302

    CPC分类号： G05B13/027 ,  G05B13/0265

    摘要： A computer system and method of operating the same to optimize the operating conditions of a petroleum production field, in which a plurality of wells are arranged according to drill sites, and connected to one or more central processing facilities, is disclosed. In this disclosed embodiment, gas compression capacity is a significant constraint on the operation of the complex production field, and surface line hydraulic effects of well production are to be considered in the optimization. A genetic algorithm is used to generate, and iteratively evaluate solution vectors, which are combinations of field operating parameters such as incremental gas-oil ratio cutoff and formation gas-oil ratio cutoff values. The evaluation includes the operation of an adaptive network to determine production header pressures, followed by modification of well output estimates to account for changes in the production header pressure. Convergence of the genetic algorithm identifies one of the solution vectors as containing an optimal combination of field operating parameters that may be used by production personnel to set the operating conditions of the field.

    摘要翻译： 公开了一种计算机系统及其操作方法，以优化石油生产领域的操作条件，其中根据钻井位置布置多个井并连接到一个或多个中央处理设施。 在该公开的实施例中，气体压缩能力是复杂生产领域的操作的重要制约因素，在优化中要考虑井口生产的液面效应。 遗传算法用于生成和迭代评估解矢量，它们是现场操作参数的组合，例如增量瓦斯 - 油比截止值和地层瓦斯油比截止值。 评估包括自适应网络的运行，以确定生产头部压力，随后修改产量估算值以解决生产头部压力的变化。 遗传算法的收敛将解决方案向量中的一个识别为包含现场操作参数的最佳组合，这些操作参数可由生产人员用于设置现场的操作条件。

    Automated material balance system for hydrocarbon reservoirs using a genetic procedure
    10.
    发明授权
    Automated material balance system for hydrocarbon reservoirs using a genetic procedure 有权
    使用遗传程序的油气藏自动物料平衡系统

    公开(公告)号：US06128579A

    公开(公告)日：2000-10-03

    申请号：US140121

    申请日：1998-08-25

    申请人： Michael D. McCormack ,  Donald J. MacAllister ,  Richard F. Stoisits ,  Perry W. Scherer ,  Tuan D. Ma

    发明人： Michael D. McCormack ,  Donald J. MacAllister ,  Richard F. Stoisits ,  Perry W. Scherer ,  Tuan D. Ma

    IPC分类号： E21B49/00 ,  G05B13/02 ,  G01V3/38

    CPC分类号： G05B13/0265 ,  E21B49/00

    摘要： A system for producing a material balance solution for well patterns in a hydrocarbon reservoir is described that automatically optimizes the fluid allocation factors for each well used in determining the solution. The system automatically optimizes estimates for the allocation factors to be used in the material balance solution by randomly generating a first generation of allocation factor strings, each string in the generation assigning allocation factors to each of the wells in the reservoir. A fitness function value is determined for each of the strings by evaluating a fitness function, wherein the fitness function comprises the sum of the differences between computed and measured field pressures for each pattern, and the sum of the differences between target allocation factors and the allocation factors specified within the string for each well. A succeeding generation of allocation factor strings is produced according to a genetic algorithm. The process of determining a fitness function value for each of the strings is then repeated for the succeeding generation. The string having a fitness function value meeting a specified criteria is identified, wherein the identified string represents the optimized estimates of the allocation factors for the reservoir for use in determining the material balance solution.

    摘要翻译： 描述了一种用于生产用于油气藏中的井模式的物料平衡溶液的系统，其自动优化用于确定溶液的每个井的流体分配因子。 系统通过随机生成第一代分配因子串，将生成中的每一个字符串分配给储层中的每个孔，自动优化用于物料平衡解决方案中要使用的分配因子的估计。 通过评估适应度函数来确定每个字符串的适应度函数值，其中适应度函数包括每个模式的计算和测量的现场压力之间的差的总和以及目标分配因子与分配之间的差异之和 在每个井的字符串内指定的因子。 根据遗传算法产生后代的分配因子串。 然后为后续的一代重复确定每个字符串的适应度函数值的过程。 识别具有满足指定标准的适应度函数值的字符串，其中所标识的字符串表示用于确定材料平衡解决方案的储存器的分配因子的优化估计。