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    • 8. 发明授权
    • Tool for measuring inclination and rotation
    • 用于测量倾斜和旋转的工具
    • US4779353A
    • 1988-10-25
    • US30949
    • 1987-03-26
    • Jose C. B. LopesGary S. StumoloWarren F. ZiehlBenoit Couet
    • Jose C. B. LopesGary S. StumoloWarren F. ZiehlBenoit Couet
    • G01C9/06G01C9/20
    • G01C9/06G01C9/20
    • A tool is provided for measuring the angles of inclination and rotation of the tool itself, especially for use in a borehole. The tool preferably comprises an electrically nonconductive cylindrical chamber containing a conductive fluid and a nonconductive fluid which together fill the chamber; at least two wires oriented parallel to the longitudinal axis of the chamber and located about the circumference of the chamber at other than 180 degrees apart from each other, such that the surface interface between the conductive and nonconductive fluids may be defined by a point along each of the two wires along with a third point on the surface; and electrical means attached to the wires for sensing an electrical characteristic of the wires corresponding to the points along the wires defined by the fluid interface; and means for using the sensed electrical characteristics of the wires, a knowledge of the chamber radius, and a knowledge of the third point, and determining therefrom an index of inclination of said chamber. Preferably, the means for using the sensed electrical characteristics to determine an index of inclination also uses the sensed electrical characteristics of the wire and a knowledge of the third point to provide an index of rotation of the chamber. The electrical characteristics are typically resistance values which can be determined by injecting current into the wires and determining a resulting voltage.
    • 提供了用于测量工具本身的倾斜角度和旋转角度的工具,特别是用于钻孔中。 该工具优选地包括一个不导电的圆柱形腔室,其包含一起填充腔室的导电流体和非导电流体; 至少两根平行于所述腔的纵向轴线定向的线,并且围绕所述腔的圆周定位,彼此不同于180度,使得所述导电和非导电流体之间的表面界面可以由沿着每个 的两根导线以及表面上的第三个点; 以及附接到所述电线的电气装置,用于感测对应于由所述流体界面限定的所述电线的点对应的电线的电特性; 以及用于使用感测到的电线的电特性,室半径的知识以及第三点的知识的装置,以及由此确定所述腔的倾斜指数。 优选地,用于使用感测到的电特性来确定倾斜度的装置也使用感测到的电线的电特性以及第三点的知识来提供腔的旋转指数。 电特性通常是可以通过将电流注入导线并确定所得电压来确定的电阻值。
    • 10. 发明申请
    • SYSTEM AND METHOD FOR PERFORMING OILFIELD SIMULATION OPERATIONS
    • 用于执行油田模拟操作的系统和方法
    • US20080133194A1
    • 2008-06-05
    • US11929921
    • 2007-10-30
    • Hans Eric KlumpenScott Trevor RaphaelRichard Ian TorrensGustavo NunezWilliam J. BaileyBenoit Couet
    • Hans Eric KlumpenScott Trevor RaphaelRichard Ian TorrensGustavo NunezWilliam J. BaileyBenoit Couet
    • G06G7/50
    • E21B47/00E21B49/00
    • The invention relates to a method for performing operations of an oilfield having at least one process facilities and at least one wellsite operatively connected thereto, each at least one wellsite having a wellbore penetrating a subterranean formation for extracting fluid from or injecting fluid to an underground reservoir therein. The method involves selectively coupling a plurality of oilfield simulators according to a predefined configuration, each oilfield simulator modeling at least a portion of the oilfield, a first oilfield simulator of the plurality of oilfield simulators receives an oilfield control parameter as an input, identifying an uncertainty parameter associated with a plurality of probable values each corresponding to a weighted probability, a second oilfield simulator of the plurality of oilfield simulators receives the uncertainty parameter as an input, modeling the operations of the oilfield to generate an estimated performance by selectively communicating between the plurality of oilfield simulators, the operations of the oilfield is modeled with a predetermined value of the oilfield control parameter and at least one of the plurality of probable values of the uncertainty parameter; and identifying an optimal value of the oilfield control parameter based on the estimated performance.
    • 本发明涉及一种执行油田操作的方法,该油田具有至少一个处理设施和至少一个与其可操作连接的井场,每个至少一个井场具有渗透地下地层的井筒,用于从地下储层 其中。 该方法包括根据预定义的配置选择性地联接多个油田模拟器,每个油田模拟器建模油田的至少一部分,多个油田模拟器的第一油田模拟器接收油田控制参数作为输入,识别不确定性 参数与多个可能值相关联,每个可能值分别对应于加权概率,所述多个油田模拟器的第二油田模拟器接收不确定性参数作为输入,通过在多个油田模拟器之间选择性地通信来对油田的运行进行建模以产生估计性能 油田模拟器的油田操作用油田控制参数的预定值和不确定性参数的多个可能值中的至少一个来建模; 以及基于所估计的性能来确定所述油田控制参数的最优值。