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    • 7. 发明申请
    • MONITORING, CONTROLLING AND ENHANCING PROCESSES WHILE STIMULATING A FLUID-FILLED BOREHOLE
    • 在流体填充孔中刺激时的监测,控制和增强过程
    • US20090159272A1
    • 2009-06-25
    • US11962190
    • 2007-12-21
    • Francois AuzeraisDouglas E. MillerCurtis BoneyDominique Guillot
    • Francois AuzeraisDouglas E. MillerCurtis BoneyDominique Guillot
    • E21B47/12
    • E21B47/101E21B43/17G01V1/44
    • Tubewaves are used for detection and monitoring of feature state to enhance stimulation operations and remediate failure conditions. For example, proper sealing of perforations may be confirmed based on lack of a reflection of a tubewave by the perforations. Alternatively, at least one of amplitude, frequency, attenuation, dispersion and travel time associated with a tubewave and reflection may be used to determine feature state. If a sealant fails during treatment then the failure condition is indicated by appearance of a tubewave reflection. Consequently, the stimulation operation can be stopped in a timely manner, and remediation by means, for example, of pumping diversion fluid or dropping of balls, can be reinitiated until the difference between the expected responses and responses measured by the instrument along the segment to be stimulated confirm that sealing has taken place and that stimulation of the intended zone can resume. Further, specific remediation steps may be selected based on response of the borehole system to tubewaves. The efficacy of the selected remediation steps may also be determined by response of the borehole system to tubewaves during or after execution of those steps.
    • 涡卷用于检测和监测特征状态,以增强刺激操作并修复故障条件。 例如,可以基于穿孔对波管的反射不能确认适当的穿孔密封。 或者,可以使用与波管和反射相关联的幅度,频率,衰减,色散和行进时间中的至少一个来确定特征状态。 如果密封剂在处理过程中出现故障,则故障条件由管道反射的外观指示。 因此,可以及时地停止刺激操作,并且可以重新启动例如通过泵送分流流体或者球的掉落来进行的补救,直到由仪器沿着该段测量的预期响应和响应之间的差异 被刺激确认已经发生密封,并且可以恢复预期区域的刺激。 此外,可以基于钻孔系统对管道的响应来选择具体的修复步骤。 所选择的修复步骤的功效也可以通过钻孔系统在执行这些步骤期间或之后对管道的响应来确定。
    • 8. 发明申请
    • Wireless Logging of Fluid Filled Boreholes
    • 流体填充井眼的无线测井
    • US20080239872A1
    • 2008-10-02
    • US11691071
    • 2007-03-26
    • Douglas E. MillerPhilip SullivanRichard Timothy CoatesFrancois AuzeraisTarek M. HabashyDominique GuillotRod Shampine
    • Douglas E. MillerPhilip SullivanRichard Timothy CoatesFrancois AuzeraisTarek M. HabashyDominique GuillotRod Shampine
    • G01L11/04
    • G01V1/52E21B47/0005E21B47/042E21B47/06E21B47/065E21B47/091E21B47/18G01V1/48
    • A predetermined condition in a fluid-filled wellbore system can be detected by generating at least one sound in the wellbore system in response to the condition, such that a detectable change is created in some characteristic of the emitted sound, and detecting the at least one sound and the change, the detection being indicative that the predetermined condition has occurred. Equipment for facilitating detection of the condition can include a trigger operable in response to the condition; a generator operable to emit sound in the borehole and to create a detectable change in some characteristic of the emitted sound in response to the trigger; and at least one sensor operable to monitor the sound and detect the change, the detection being indicative that the predetermined condition has occurred. It is also possible to estimate a value of a property of a fluid-filled wellbore system. This can be accomplished by recording data including at least one of pressure and rate of flow at one or more locations in the wellbore system, and then estimating the value of the property by employing a model for predicting at least one of pressure and rate of flow dependent upon parameters detailing at least one of wellbore system geometry, viscoacoustic properties of the fluid and entrained solids contained in the wellbore system, locations of boundaries and entrained solids, and characteristics and locations of disturbances to pressure and flow in the wellbore system, in order to determine a best prediction of some attribute of the recorded data.
    • 在流体填充的井眼系统中的预定条件可以通过响应于条件在井眼系统中产生至少一个声音来检测,使得在发射声音的一些特征中产生可检测的变化,并且检测至少一个 声音和变化,检测指示预定条件已经发生。 用于便于检测条件的设备可以包括可响应于该条件操作的触发器; 发射器,其可操作以响应于所述触发而在所述井眼中发射声音并且产生可发射的声音的一些特性的可检测变化; 以及至少一个可操作以监测声音并检测该变化的传感器,所述检测指示预定条件已经发生。 还可以估计流体填充的井眼系统的性质的值。 这可以通过记录包括在井眼系统中的一个或多个位置处的压力和流量中的至少一个的数据,然后通过采用用于预测压力和流量中的至少一个的模型来估计该属性的值来实现 依赖于详细描述井筒系统几何形状,井眼系统中包含的流体和夹带固体的粘度声学性质,边界和夹带固体的位置以及井眼系统中的压力和流动的特征和位置的参数的参数,按顺序 以确定记录数据的一些属性的最佳预测。
    • 10. 发明授权
    • Microscope camera
    • 显微镜相机
    • US5315344A
    • 1994-05-24
    • US787045
    • 1991-11-04
    • Peter P. ClarkDouglas E. MillerDeborah A. MulfordJohn C. Ostrowski
    • Peter P. ClarkDouglas E. MillerDeborah A. MulfordJohn C. Ostrowski
    • G02B21/36G03B7/08G03B17/48
    • G02B21/362
    • Photographic apparatus having both automatic and manual modes of operation is adapted for coupling to a microscope. the apparatus includes a viewfinder for viewing a scene in the microscope and an exposure controlling photometer for measuring the scene brightness. In addition, a rotatably mounted disc shutter is provided having an opening therein for generating a photographic image producing exposure interval and having a pair of mirrors supported thereon for movement therewith, for respectively directing image-bearing scene light to the viewfinder and to the photometer prior to an exposure. In the automatic mode, movement of the disc shutter is under the control of a microprocessor whereas in the manual mode, such movement is under operator control.
    • 具有自动和手动操作模式的摄影装置适于耦合到显微镜。 该装置包括用于观察显微镜中的场景的取景器和用于测量场景亮度的曝光控制光度计。 另外,设置有可旋转地安装的光盘,其中具有用于产生曝光间隔的摄影图像并具有支撑在其上的一对反射镜的开口,用于分别将图像承载的场景光引导到取景器和光度计之前 曝光。 在自动模式下,光盘快门的运动处于微处理器的控制之下,而在手动模式中,这种运动受到操作员的控制。