Asphaltene evaluation based on NMR measurements and temperature / pressure cycling
    3.
    发明授权
    Asphaltene evaluation based on NMR measurements and temperature / pressure cycling 有权
    基于NMR测量和温度/压力循环的沥青质评估

    公开(公告)号:US09176251B2

    公开(公告)日:2015-11-03

    申请号:US13673772

    申请日:2012-11-09

    CPC classification number: G01V3/32 E21B49/00 G01N33/241 G01V3/14

    Abstract: Asphaltene content and its spatial distribution in a reservoir containing crude oil is an important factor in determining the potential for formation damage and pipeline impairment, as well as planning for processing and refining of the oil. Exemplary uses include: reservoir modeling, development and depletion planning, pressure maintenance, and surface facilities management. A convenient method has been developed which uses two-dimensional NMR techniques during a temperature and/or pressure cycle to quantify the asphaltene content of the crude oil without the need for extracting the oil from the reservoir rock. The technique can be applied to core, down-hole logs, or, a combination of both.

    Abstract translation: 包含原油的储层中的沥青质含量及其空间分布是确定地层破坏和管线损伤的可能性以及石油加工和精炼计划的重要因素。 示例性用途包括:储层建模,开发和耗尽规划,压力维护和地面设施管理。 已经开发了一种方便的方法,其在温度和/或压力循环期间使用二维NMR技术来量化原油的沥青质含量,而不需要从储层岩石中提取油。 该技术可以应用于核心井下测井,或两者的组合。

    Determination of interfacial or surface tension

    公开(公告)号:US10545080B2

    公开(公告)日:2020-01-28

    申请号:US14255680

    申请日:2014-04-17

    Abstract: A method and apparatus for measuring interfacial or surface tension of a first fluid dispersed in a second fluid, the method involving providing at least one substantially spherical droplet or bubble of the first fluid in a flowing stream of the second fluid in a flow channel, followed by passing the flowing stream comprising the droplet or bubble through a constriction in the flow channel, the constriction being sufficiently constricting so as to cause the droplet or bubble to deform away from its substantially spherical shape and measuring and comparing a physical property of the flowing stream both before and after the constriction, wherein the physical property changes as a result of the deformation of the droplet or bubble, and thereby inferring the interfacial or surface tension from the measured physical property.

    Non-Invasive Acoustic Monitoring of Subsea Containers
    10.
    发明申请
    Non-Invasive Acoustic Monitoring of Subsea Containers 审中-公开
    海底集装箱非侵入式声学监测

    公开(公告)号:US20150276463A1

    公开(公告)日:2015-10-01

    申请号:US14417118

    申请日:2013-07-25

    Abstract: Systems and methods are described for non-invasively acoustically monitoring containers to distinguish gas contents from liquid contents. In some embodiments the container is part of a buoyancy tank (132) in a subsea pipeline network (102) used to transport production fluid from a subsurface wellhead (112) to surface facilities, and the systems and methods are used to detect water ingression into the buoyancy tank (132) and to transmit alert signals to the surface relating thereto.

    Abstract translation: 描述了用于非侵入式声学监测容器以区分气体内容物和液体内容物的系统和方法。 在一些实施例中,容器是用于将生产流体从地下井口(112)输送到地面设施的海底管线网络(102)中的浮力罐(132)的一部分,并且系统和方法用于检测水进入 浮力箱(132),并向与其相关的表面传递报警信号。

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