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1. 发明申请

WO2011133530A2 FORMATION EVALUATION USING A BIT-BASED ACTIVE RADIATION SOURCE AND A GAMMA RAY DETECTOR 审中-公开
标题翻译：使用基于位的有源辐射源和伽马射线探测器的形成评估
公开(公告)号：WO2011133530A2
公开(公告)日：2011-10-27
申请号：PCT/US2011/033022
申请日：2011-04-19
申请人： BAKER HUGHES INCORPORATED , TRINH, Tu Tien , SULLIVAN, Eric , CURRY, David A. , CHENG, Xiaomin C. , INANC, Feyzi , LIU, Yi
发明人： TRINH, Tu Tien , SULLIVAN, Eric , CURRY, David A. , CHENG, Xiaomin C. , INANC, Feyzi , LIU, Yi
IPC分类号： E21B47/00 , G01V5/10 , G01V5/12
CPC分类号： G01V5/08 , E21B47/00 , E21B47/01 , E21B47/026 , G01V5/125
摘要： A drill bit made according to one embodiment includes a source configured to induce radiation into a formation during drilling of a wellbore and a sensor in the drill bit configured to detect radiation from the formation responsive to the radiation induced by the source. The drill bit may further include a circuit configured to process signals received from the sensor to estimate a property of the formation.
摘要翻译：根据一个实施例制造的钻头包括被配置为在钻井期间将钻井中的辐射诱导到地层中的源，并且钻头中的传感器被配置为响应于由源引起的辐射来检测来自地层的辐射。钻头还可以包括被配置为处理从传感器接收的信号以估计地层的性质的电路。

2. 发明申请

WO2012125936A2 DOWNHOLE REBOUND HARDNESS MEASUREMENT WHILE DRILLING OR WIRELINE LOGGING 审中-公开
标题翻译：钻井或线缆登录时的井下硬度测量
公开(公告)号：WO2012125936A2
公开(公告)日：2012-09-20
申请号：PCT/US2012/029465
申请日：2012-03-16
申请人： BAKER HUGHES INCORPORATED , LEE, Ji Soo , QUINN, Terrence H. , CURRY, David A. , FRANQUET, Javier A. , WOLFE, Christopher A. , REESE, Michael M.
发明人： LEE, Ji Soo , QUINN, Terrence H. , CURRY, David A. , FRANQUET, Javier A. , WOLFE, Christopher A. , REESE, Michael M.
IPC分类号： E21B47/02 , E21B23/14 , E21B49/02 , E21B47/04
CPC分类号： G01N3/52 , E21B49/006
摘要： A method and apparatus for estimating a rock strength profile of a formation is disclosed. A tool having a testing surface is conveyed into a wellbore in the formation. The testing surface is propelled to impact the formation at a plurality of depths in the wellbore. A measurement of hardness of the formation is obtained from a rebound of the testing surface from the formation at the plurality of depths. The rock strength profile of the formation is estimated using the obtained measurements of hardness at the plurality of depths. A parameter for drilling the wellbore can be affected using the estimated rock strength profile.
摘要翻译：公开了一种用于估计地层的岩石强度分布的方法和装置。具有测试表面的工具被输送到地层中的井筒中。测试表面被推进以在井眼中的多个深度处冲击地层。从多个深度的地层的测试表面的反弹获得地层的硬度测量值。使用所获得的多个深度处的硬度测量来估计地层的岩石强度分布。使用估计的岩石强度分布可以影响钻井的参数。

3. 发明公开

EP2561182A2 FORMATION EVALUATION USING A BIT-BASED ACTIVE RADIATION SOURCE AND A GAMMA RAY DETECTOR 有权转让
标题翻译：带着几分基活性辐射源和γ射线探测器地层评价
公开(公告)号：EP2561182A2
公开(公告)日：2013-02-27
申请号：EP11772539.0
申请日：2011-04-19
申请人： Baker Hughes Incorporated
发明人： TRINH, Tu Tien , SULLIVAN, Eric , CURRY, David A. , CHENG, Xiaomin C. , INANC, Feyzi , LIU, Yi
IPC分类号： E21B47/00 , G01V5/10 , G01V5/12
CPC分类号： G01V5/08 , E21B47/00 , E21B47/01 , E21B47/026 , G01V5/125
摘要： A drill bit made according to one embodiment includes a source configured to induce radiation into a formation during drilling of a wellbore and a sensor in the drill bit configured to detect radiation from the formation responsive to the radiation induced by the source. The drill bit may further include a circuit configured to process signals received from the sensor to estimate a property of the formation.

4. 发明申请

WO2017165386A1 DOWNHOLE REBOUND HARDNESS MEASUREMENT WHILE DRILLING OR WIRELINE LOGGING 审中-公开
标题翻译：钻孔或线缆测井时的井下回弹硬度测量
公开(公告)号：WO2017165386A1
公开(公告)日：2017-09-28
申请号：PCT/US2017/023367
申请日：2017-03-21
申请人： BAKER HUGHES INCORPORATED
发明人： CURRY, David A. , FRANQUET, Javier A. , REESE, Michael M.
IPC分类号： E21B49/00 , G01N3/48 , G01V9/00 , E21B7/06 , G01V99/00 , G06F17/50
摘要： A method of obtaining a hardness profile of a formation is disclosed. A testing surface in a wellbore impacts the formation to obtain a measurement of formation hardness. A lithological property of the formation is measured and used in determining the rock strength of the formation from the formation hardness. The testing surface may be propelled at the formation a plurality of times to obtain a profile of rock hardness measurements with distance into the formation, including at a surface layer of the formation. Alternatively, the testing surface can be propelled at the formation at multiple energies to obtain formation properties at a plurality of depths into the formation, including at a surface layer of the formation. The rock strength may be used with measurements of geomechanical stress and pore pressure to build a model of the formation in order to develop the formation.
摘要翻译：公开了一种获得地层的硬度分布的方法。井眼中的测试表面影响地层以获得地层硬度的测量结果。测量岩层的岩性特征并用于根据岩层硬度确定岩层的岩石强度。测试表面可以多次在地层处被推进，以获得岩石硬度测量值的分布，其中距离包括在地层的表层处。或者，测试表面可以在多个能量下在地层处被推进，以在包括地层表面层在内的多个深度处获得地层特性。岩石强度可用于测量地质力学应力和孔隙压力，以建立地层模型以发展地层。

5. 发明申请

WO2018106577A1 METHODS AND SYSTEMS FOR DRILLING BOREHOLES IN EARTH FORMATIONS 审中-公开
公开(公告)号：WO2018106577A1
公开(公告)日：2018-06-14
申请号：PCT/US2017/064454
申请日：2017-12-04
申请人： BAKER HUGHES INCORPORATED , BP EXPLORATION OPERATING COMPANY LIMITED
发明人： CURRY, David A. , PESSIER, Rudolf Carl , SPENCER, Reed W. , KUESTERS, Andrew , WINGATE, John
IPC分类号： E21B44/00 , E21B41/00 , E21B10/00
摘要： Methods of drilling earth formations may involve removing a portion of an underlying earth formation utilizing cutting elements of an earth-boring drill bit. A rotational speed of the drill string may be sensed utilizing a first sensor. A rate of penetration of the drill string during advancement of the earth-boring drill bit may be sensed utilizing a second sensor. An instantaneous average depth of cut of cutting elements of the earth-boring drill bit may be determined utilizing a control unit to calculate the instantaneous average depth of cut based on a sensed rotational speed of the drill string and a sensed speed of advancement of the drill string. The weight on the earth-boring drill bit may be increased utilizing the drawworks when the instantaneous average depth of cut is less than the predetermined minimum depth of cut.

6. 发明公开

EP3207206A1 DRILL BIT WITH SELF-ADJUSTING PADS 有权转让
标题翻译：钻头自带调整垫
公开(公告)号：EP3207206A1
公开(公告)日：2017-08-23
申请号：EP15850810.1
申请日：2015-10-16
申请人： Baker Hughes Incorporated
发明人： JAIN, Jayesh R. , BAXTER, Benjamin , VEMPATI, Chaitanya K. , RADFORD, Steven R. , PETERS, Volker , RICKS, Gregory L. , BILEN, Juan Miguel , STIBBE, Holger , CURRY, David A.
IPC分类号： E21B10/42 , E21B10/43 , E21B10/62
CPC分类号： E21B10/62 , E21B10/43
摘要： In one aspect, a drill bit is disclosed, including: a bit body; a pad associated with the bit body; a rate control device coupled to the pad that extends from a bit surface at a first rate and retracts from an extended position to a retracted position at a second rate in response to external force applied onto the pad, the rate control device including: a piston for applying a force on the pad; a biasing member that applies a force on the piston to extend the pad at the first rate; a fluid chamber associated with the piston; and a pressure management device for controlling a fluid pressure within the fluid chamber.
摘要翻译：在一个方面，公开了一种钻头，其包括：钻头本体; 与钻头体相关联的垫; 速率控制装置，所述速率控制装置耦合到所述垫，所述速率控制装置响应于施加到所述垫上的外力而以第一速率从钻头表面延伸并且以第二速率从伸出位置缩回到缩回位置，所述速率控制装置包括：活塞用于在垫上施加力; 偏置构件，所述偏置构件在所述活塞上施加力以使所述垫以所述第一速率延伸; 与活塞相关联的流体室; 以及用于控制流体室内的流体压力的压力管理装置。

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