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    • 3. 发明申请
    • DOUBLE-ENDED DISTRIBUTED TEMPERATURE SENSING SYSTEM
    • 双重分布式温度传感系统
    • WO2005003706A1
    • 2005-01-13
    • PCT/GB2004/002813
    • 2004-06-29
    • SENSOR HIGHWAY LIMITEDRAMOS, Rogerio, T.
    • RAMOS, Rogerio, T.
    • G01K11/32
    • G01K11/32G02B6/264G02B6/4415
    • The present invention comprises a system for deploying double-ended distributed temperature sensing (DTS) systems which utilizes less space than prior art systems. In one embodiment, the present invention comprises a cable having at least two independent optical fibers or cores, the at least two optical fibers or cores having angled ends coated with a reflective material, the angled ends providing an optical connection between the two optical fibers or cores so that light can be transmitted therebetween. In another embodiment, the present invention comprises two optical fibers that are optically connected by an optical connection mechanism. All embodiments of the present invention may be deployed within a wellbore and within a single-ended tubing or control line, thus providing double­ended DTS system operation in a single-ended line.
    • 本发明包括一种用于部署双端分布式温度感测(DTS)系统的系统,其利用比现有技术系统更少的空间。 在一个实施例中,本发明包括具有至少两个独立光纤或芯的电缆,所述至少两个光纤或芯具有涂覆有反射材料的成角度的端部,所述成角度的端部提供两个光纤之间的光学连接或 芯,使得它们之间可以传输光。 在另一实施例中,本发明包括通过光学连接机构光学连接的两根光纤。 本发明的所有实施例可以部署在井筒内和单端管道或控制管线内,从而在单端线路中提供双重DTS系统操作。
    • 4. 发明申请
    • FLUID FLOW MEASUREMENT USING OPTICAL FIBRES
    • 使用光纤的流体流量测量
    • WO2004094961A1
    • 2004-11-04
    • PCT/GB2004/001223
    • 2004-03-22
    • SENSOR HIGHWAY LIMITEDRAMOS, Rogerio, T.
    • RAMOS, Rogerio, T.
    • G01F1/688
    • G01F1/6884E21B47/09E21B47/1005G01K11/32G01P5/10
    • A method of monitoring fluid flow uses an optical fibre having a heatable coating. The fibre is disposed within flowing fluid, and the heatable coating heated so that heat is transferred from the coating to the fluid. Optical measurements of the temperature of the heatable coating are made, where the temperature of the heatable coating depends on the flow velocity of the flowing fluid, and the temperature measurement is used to derive information about the flow. The coating may be an electrically resistive layer on the outer surface of the fibre, that is heated by passing electric current through it. This allows distributed flow measurements to be made. Alternatively, discrete measurements can be made if the coating is provided as a thin film layer on an end facet of the fibre. The coating is heated by directing light at a wavelength absorbed by the thin film material along the fibre.
    • 监测流体流动的方法使用具有可加热涂层的光纤。 纤维布置在流动的流体中,并且可加热涂层被加热,使得热量从涂层转移到流体。 进行可加热涂层的温度的光学测量,其中可加热涂层的温度取决于流动流体的流速,并且温度测量用于导出关于流动的信息。 涂层可以是在纤维的外表面上的电阻层,其通过使电流通过其而被加热。 这允许进行分布式流量测量。 或者,如果涂层在纤维的端面上作为薄膜层提供,则可以进行离散测量。 通过沿着纤维引导以薄膜材料吸收的波长的光来加热涂层。
    • 6. 发明申请
    • METHOD AND APPARATUS FOR LOGGING A WELL USING A FIBER OPTIC LINE AND SENSORS
    • 使用光纤线路和传感器记录的方法和装置
    • WO2004020789A2
    • 2004-03-11
    • PCT/GB2003/003785
    • 2003-08-29
    • SENSOR HIGHWAY LIMITEDRAMOS, Rogerio, T.LEGGETT, Nigel
    • RAMOS, Rogerio, T.LEGGETT, Nigel
    • E21B47/00
    • E21B47/10E21B47/09E21B47/123
    • A system and method to log a wellbore, comprising a logging tool adapted to be deployed in a wellbore environment, the logging tool including at least one sensor for taking a measurement of the wellbore euviwwnent. The sensor is a fiber optic sensor and the system includes a fiber optic line in optical communication with the sensor. The data measured by the sensor is transmitted through the fiber optic line on a real time basis to the surface, Where the data is processed into a real time display. In one embodiment, the fiber optic sensor is a passive sensor not requiring electrical or battery power. In another embodiment, a continuous tube with one end at the earth's surface and the other end in the wellbore is attached to the logging tool and includes the fiber optic line disposed therein.
    • 一种用于记录井筒的系统和方法,包括适于部署在井眼环境中的测井工具,所述测井工具包括至少一个用于测量井眼井眼的传感器。 传感器是光纤传感器,该系统包括与传感器光学通信的光纤线路。 由传感器测量的数据通过光纤线路实时传输到表面,其中数据被处理成实时显示。 在一个实施例中,光纤传感器是不需要电力或电池电力的无源传感器。 在另一个实施例中,在地球表面具有一端并且在井眼中的另一端的连续管连接到测井工具,并且包括布置在其中的光纤线。