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1. 发明申请

US20100259267A1 ELECTROMAGNETIC LOGGING BETWEEN BOREHOLE AND SURFACE 失效
标题翻译：井眼与表面之间的电磁记录
公开(公告)号：US20100259267A1
公开(公告)日：2010-10-14
申请号：US12603053
申请日：2009-10-21
申请人： Richard Rosthal , Edward Nichols , John Lovell , Christopher Bogath
发明人： Richard Rosthal , Edward Nichols , John Lovell , Christopher Bogath
IPC分类号： G01V3/18
CPC分类号： G01V3/30
摘要： The present disclosure relates to determining a property, such as resistivity, of an earth formation. A transmitter is disposed in a wellbore penetrating the formation, and a plurality of receivers are distributed on or near the earth's surface. The transmitter sends electromagnetic energy into the formation and the resulting signal, after passing through the formation, is detected by the array of receivers. The received signal is used to determine the property of the formation. This is often achieved using an inversion or numerical model of the formation being measured. The inversion takes into account changes in the background formation model due to transmitting from various locations. The measurements made on the formation can be performed while drilling the wellbore or subsequent to the drilling.
摘要翻译：本公开涉及确定地层的性质，例如电阻率。发射器设置在穿透地层的井眼中，并且多个接收器分布在地球表面上或附近。发射机向地层发射电磁能量，通过地层后得到的信号由接收机阵列检测。接收到的信号用于确定地层的性质。这通常是使用所测量的地层的反演或数值模型来实现的。反演考虑了由于从各个地点的传播而导致的背景形成模型的变化。可以在钻井或钻井后进行地层测量。

2. 发明申请

US20070052551A1 Formation evaluation system and method 有权
标题翻译：形成评价体系及方法
公开(公告)号：US20070052551A1
公开(公告)日：2007-03-08
申请号：US11209369
申请日：2005-08-23
申请人： John Lovell , Christopher Bogath , Steven Pringnitz
发明人： John Lovell , Christopher Bogath , Steven Pringnitz
IPC分类号： G01V3/00
CPC分类号： G01V11/002
摘要： A formation evaluation system for a subterranean formation penetrated by a wellbore. The formation evaluation system is provided with a downhole tool and a sensor. The downhole tool is positionable in the wellbore. The downhole tool has a downhole electromagnetic unit for communication with a surface electromagnetic unit. The sensor determines at least one wellsite parameter from the electromagnetic signal. The downhole tool and the surface electromagnetic unit are adapted to pass electromagnetic signals there between. The electromagnetic signals pass through the subterranean formation whereby the sensor determines the at least one wellsite parameter from the electromagnetic signal.
摘要翻译：井眼渗透的地层地层评估系统。地层评估系统设有井下工具和传感器。井下工具可定位在井眼中。井下工具具有用于与表面电磁单元连通的井下电磁单元。传感器根据电磁信号确定至少一个井场参数。井下工具和表面电磁单元适于在其间传递电磁信号。电磁信号通过地层，由此传感器根据电磁信号确定至少一个井场参数。

3. 发明授权

US08638103B2 Electromagnetic logging between borehole and surface 失效
标题翻译：钻孔与表面之间的电磁测井
公开(公告)号：US08638103B2
公开(公告)日：2014-01-28
申请号：US12603053
申请日：2009-10-21
申请人： Richard Rosthal , Edward Nichols , John Lovell , Christopher Bogath
发明人： Richard Rosthal , Edward Nichols , John Lovell , Christopher Bogath
IPC分类号： G01V3/00
CPC分类号： G01V3/30
摘要： The present disclosure relates to determining a property, such as resistivity, of an earth formation. A transmitter is disposed in a wellbore penetrating the formation, and a plurality of receivers are distributed on or near the earth's surface. The transmitter sends electromagnetic energy into the formation and the resulting signal, after passing through the formation, is detected by the array of receivers. The received signal is used to determine the property of the formation. This is often achieved using an inversion or numerical model of the formation being measured. The inversion takes into account changes in the background formation model due to transmitting from various locations. The measurements made on the formation can be performed while drilling the wellbore or subsequent to the drilling.
摘要翻译：本公开涉及确定地层的性质，例如电阻率。发射器设置在穿透地层的井眼中，并且多个接收器分布在地球表面上或附近。发射机向地层发射电磁能量，通过地层后得到的信号由接收机阵列检测。接收到的信号用于确定地层的性质。这通常是使用所测量的地层的反演或数值模型来实现的。反演考虑了由于从各个地点的传播而导致的背景形成模型的变化。可以在钻井或钻井后进行地层测量。

4. 发明申请

US20050109097A1 DOWNHOLE TOOL SENSOR SYSTEM AND METHOD 有权
标题翻译：卧式工具传感器系统及方法
公开(公告)号：US20050109097A1
公开(公告)日：2005-05-26
申请号：US10904021
申请日：2004-10-19
申请人： Christopher Bogath , Kimi Ceridon , Kate Gabler , Minh Chau
发明人： Christopher Bogath , Kimi Ceridon , Kate Gabler , Minh Chau
IPC分类号： E21B17/16 , E21B44/00 , E21B47/00 , E21B47/01
CPC分类号： E21B47/0006 , E21B17/16 , E21B44/00 , E21B47/01
摘要： An apparatus and method for determining forces on a downhole drilling tool is provided. The downhole tool is provided with a drill collar operatively connectable to the drilling tool, and a sensor mounted about the drill collar. The sensor is adapted to measure deformation of the drill collar whereby forces on the drilling tool are determined. The sensor may be part of a force measurement system, a strain gauge system or a drilling jar system. The drill collar is adapted to magnify and/or isolate the deformation applied to the drill string.
摘要翻译：提供了一种用于确定井下钻具的力的装置和方法。该井下工具设置有可操作地连接到钻孔工具的钻铤和围绕钻铤安装的传感器。传感器适于测量钻铤的变形，从而确定钻具上的力。传感器可以是力测量系统，应变计系统或钻孔系统的一部分。钻铤适于放大和/或隔离施加到钻柱的变形。

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