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    • 54. 发明申请
    • METHOD OF INJECTION FLUID MONITORING
    • 注射液体监测方法
    • US20140182842A1
    • 2014-07-03
    • US14056239
    • 2013-10-17
    • Sushant M. DuttaDaniel T. GeorgiRandy GoldArcady Reiderman
    • Sushant M. DuttaDaniel T. GeorgiRandy GoldArcady Reiderman
    • E21B44/00
    • E21B47/10E21B47/122
    • A method of monitoring an injection substance injected into an injection well penetrating the earth and a method of monitoring an underground reservoir storing a substance introduced through an injection well are described. The methods include disposing a monitoring system in a borehole, both a transmitting and a first receiving portion of the monitoring system being disposed in the borehole. The method of monitoring an injection substance also includes injecting the injection substance into the injection well, and monitoring, using a processor processing the received signal, flow of the injection substance out of the injection well. The method of monitoring an underground reservoir includes injecting the injection substance into the injection well for storage in the underground reservoir, and monitoring, using a processor processing the received signal, boundary conditions surrounding the underground reservoir.
    • 一种监测注入到穿透地球的注入井中的注入物质的方法以及监测储存通过注入井引入的物质的地下贮存器的方法。 所述方法包括将监测系统设置在井眼中,监测系统的发射和第一接收部分都布置在钻孔中。 监测注射物质的方法还包括将注射物质注射到注射井中,并且使用处理接收到的信号的处理器监测注射物质流出注射井。 监测地下储层的方法包括将注入物质注入注入井以便储存在地下储层中,并且使用处理接收信号的处理器来监测地下储层周围的边界条件。
    • 60. 发明授权
    • Variable diameter probe for detecting formation damage
    • 用于检测地层损伤的可变直径探头
    • US5770798A
    • 1998-06-23
    • US599337
    • 1996-02-09
    • Daniel T. GeorgiJohn M. MichaelsMichael J. Moody
    • Daniel T. GeorgiJohn M. MichaelsMichael J. Moody
    • E21B49/00E21B49/10
    • E21B49/008E21B49/10
    • An apparatus and method for evaluating formation damage proximate to the surface of a rock. The invention is applicable to surface tests and to tests downhole in a borehole. A first hollow probe sealingly contacts the rock surface to define a first surface area, and the pressure within the hollow probe is decreased to monitor resulting pressure changes. A second hollow probe contacts the rock surface to define a second surface area having a different size than the first surface area, and the pressure within the hollow second probe is decreased to monitor resulting pressure changes. Differences in the observed pressure changes can be analyzed to evaluate formation damage to the rock surface and near surface. In particular, the thickness of formation damage, and permeability losses caused by such damage, can be assessed. Alternatively, fluid pressure can be injected into the first and second volumes to evaluate the subsequent pressure reduction.
    • 一种用于评估靠近岩石表面的地层损伤的装置和方法。 本发明适用于井眼测试和井下测试。 第一中空探针密封地接触岩石表面以限定第一表面区域,并且减小中空探针内的压力以监测所产生的压力变化。 第二中空探针接触岩石表面以限定具有与第一表面区域不同的尺寸的第二表面区域,并且降低中空第二探针内的压力以监测所产生的压力变化。 可以分析观察到的压力变化的差异,以评估对岩石表面和近地表的地层损伤。 特别是,可以评估地层损伤的厚度和由这种损伤引起的渗透性损失。 或者,可以将流体压力注入第一和第二体积以评估随后的压力降低。