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1. 发明申请

WO2007133273A3 TWO-AXIAL PAD FORMATION RESISTIVITY IMAGER 审中-公开
标题翻译：双轴形成电阻率成像仪
公开(公告)号：WO2007133273A3
公开(公告)日：2008-12-31
申请号：PCT/US2006049640
申请日：2006-12-29
申请人： BAKER HUGHES INC , ITSKOVICH GREGORY B , GOLD RANDY , BESPALOV ALEXANDRE N , FORGANG STANISLAV
发明人： ITSKOVICH GREGORY B , GOLD RANDY , BESPALOV ALEXANDRE N , FORGANG STANISLAV
IPC分类号： G06F19/00
CPC分类号： G01V3/24
摘要： A resistivity imaging device injects currents in two orthogonal directions using two pairs of return electrodes and performing impedance measurements of the buttons placed between the returns.
摘要翻译：电阻率成像设备使用两对返回电极在两个正交方向上注入电流，并对放置在返回之间的按钮执行阻抗测量。

2. 发明申请

WO2012149006A3 FORMATION RESISTIVITY IMAGER WITH REDUCED LEAKAGE TO MANDREL 审中-公开
标题翻译：形成电阻图像，减少人为损失
公开(公告)号：WO2012149006A3
公开(公告)日：2013-01-24
申请号：PCT/US2012034975
申请日：2012-04-25
申请人： BAKER HUGHES INC , BESPALOV ALEXANDRE N , ITSKOVICH GREGORY B , FORGANG STANISLAV W
发明人： BESPALOV ALEXANDRE N , ITSKOVICH GREGORY B , FORGANG STANISLAV W
IPC分类号： G01V3/20 , G01N27/02 , G01N33/24
CPC分类号： G01N33/24 , G01V3/20
摘要： A method of estimating a parameter of a formation contacting a borehole with an instrument that includes a mandrel and a pad includes providing a measurement voltage to the pad; applying a biasing voltage to the mandrel while the measurement voltage is applied to the pad; measuring a received current during at least a portion of time the measurement voltage is provided; and estimating the parameter based on the received current.
摘要翻译：估计接触井眼的地层与包括心轴和垫的仪器的参数的方法包括向所述垫提供测量电压; 当将测量电压施加到所述垫时，向所述心轴施加偏置电压; 在提供测量电压的至少一部分时间内测量接收电流; 并基于接收到的电流来估计该参数。

3. 发明申请

WO2010135554A3 METHODS AND APPARATUS FOR PROVIDING COMPLIMENTARY RESISTIVITY AND STANDOFF IMAGE 审中-公开
标题翻译：提供合成电阻率和标准图像的方法和装置
公开(公告)号：WO2010135554A3
公开(公告)日：2011-03-03
申请号：PCT/US2010035615
申请日：2010-05-20
申请人： BAKER HUGHES INC , GEORGI DANIEL T , ITSKOVICH GREGORY B , BESPALOV ALEXANDRE N , RABINOVICH MICHAEL B , CORLEY BILLY H
发明人： GEORGI DANIEL T , ITSKOVICH GREGORY B , BESPALOV ALEXANDRE N , RABINOVICH MICHAEL B , CORLEY BILLY H
IPC分类号： G01V3/20 , E21B47/00 , G01V3/18 , G01V3/34
CPC分类号： G01V3/24
摘要： A method for presenting a formation property to a user includes estimating an initial property of the formation using a tool conveyed in a borehole and estimating a relationship between the tool and the formation based on information received from the tool. The method also includes presenting the user a first output based at least in part on the initial property and presenting a second output based at least in part on the relationship proximate the first output.
摘要翻译：用于向用户呈现地层特性的方法包括使用在钻孔中传送的工具来估计地层的初始属性，并且基于从工具接收的信息来估计工具与地层之间的关系。该方法还包括至少部分地基于初始属性向用户呈现第一输出，并且至少部分地基于接近第一输出的关系呈现第二输出。

4. 发明申请

WO2009120790A2 A FOUR-TERMINAL ELECTRIC IMAGER FOR RESISTIVE MUDS WITH LOCALIZED CURRENT CONTROL 审中-公开
标题翻译：一种具有本地化电流控制的电阻式电位器的四端电子成像器
公开(公告)号：WO2009120790A2
公开(公告)日：2009-10-01
申请号：PCT/US2009038267
申请日：2009-03-25
申请人： BAKER HUGHES INC , BESPALOV ALEXANDRE N , BEARD DAVID R , GOLD RANDY , ITSKOVICH GREGORY B , WANG TSILL
发明人： BESPALOV ALEXANDRE N , BEARD DAVID R , GOLD RANDY , ITSKOVICH GREGORY B , WANG TSILL
IPC分类号： G01V3/20 , E21B49/08 , G01V3/02 , G01V3/38
CPC分类号： G01V3/24
摘要： An apparatus for imaging a subsurface material traversed by a borehole, the apparatus including an imaging pad deployed by a logging instrument, the pad including a plurality of measuring sets, each measuring set including a first current injector electrode, a second current injector electrode, a pair of sensor electrodes disposed between the first current injector electrode and the second current injector electrode, and an output for coupling to an electronics unit adapted for producing the imaging of the subsurface material.
摘要翻译：一种用于对由钻孔穿过的地下材料成像的装置，所述装置包括由测井仪器部署的成像垫，所述测量仪器包括多个测量组，每个测量组包括第一电流注入器电极，第二电流注入器电极，设置在第一电流注入器电极和第二电流注入器电极之间的传感器电极对，以及用于耦合到适于产生地下材料的成像的电子单元的输出。

5. 发明申请

WO2007133273A9 TWO-AXIAL PAD FORMATION RESISTIVITY IMAGER 审中-公开
标题翻译：双轴线形成电阻图像
公开(公告)号：WO2007133273A9
公开(公告)日：2008-11-06
申请号：PCT/US2006049640
申请日：2006-12-29
申请人： BAKER HUGHES INC , ITSKOVICH GREGORY B , GOLD RANDY , BESPALOV ALEXANDRE N , FORGANG STANISLAV
发明人： ITSKOVICH GREGORY B , GOLD RANDY , BESPALOV ALEXANDRE N , FORGANG STANISLAV
IPC分类号： G06F19/00
CPC分类号： G01V3/24
摘要： A resistivity imaging device injects currents in two orthogonal directions using two pairs of return electrodes and performing impedance measurements of the buttons placed between the returns.
摘要翻译：电阻率成像设备使用两对返回电极在两个正交方向上注入电流，并对放置在返回点之间的按钮执行阻抗测量。

6. 发明申请

WO2007024533A2 HIGH RESOLUTION RESISTIVITY EARTH IMAGER 审中-公开
标题翻译：高分辨率电阻率地球成像仪
公开(公告)号：WO2007024533A2
公开(公告)日：2007-03-01
申请号：PCT/US2006031638
申请日：2006-08-14
申请人： BAKER HUGHES INC , BESPALOV ALEXANDRE N , ITSKOVICH GREGORY B
发明人： BESPALOV ALEXANDRE N , ITSKOVICH GREGORY B
IPC分类号： G01V3/02 , G01V3/04 , G01V3/06
CPC分类号： G01V3/24
摘要： Phase-sensitive measurements are made by a resistivity imaging tool in a borehole having non-conductive mud in a conductive earth formation at a plurality of frequencies. From the phase sensitive measurements, the formation resistivity can be determined with higher sensitivity than is possible with the single frequency measurements. Tool standoff can also be determined from a knowledge of the mud resistivity and/or dielectric constant. Formation resistivity may also be determined when the effect of formation capacitance cannot be ignored.
摘要翻译：相敏测量是通过电阻率成像工具在钻孔中在多个频率下的导电地层中具有不导电泥的情况下进行的。从相敏测量结果来看，地层电阻率可以用比单频测量更高的灵敏度来确定。也可以根据泥浆电阻率和/或介电常数的知识来确定工具间隙。当形成电容的影响不可忽略时，也可确定地层电阻率。

7. 发明申请

WO2007008640A2 HIGH RESOLUTION RESISTIVITY EARTH IMAGER 审中-公开
标题翻译：高分辨率电阻率图像
公开(公告)号：WO2007008640A2
公开(公告)日：2007-01-18
申请号：PCT/US2006026462
申请日：2006-07-06
申请人： BAKER HUGHES INC , ITSKOVICH GREGORY B , BESPALOV ALEXANDRE N
发明人： ITSKOVICH GREGORY B , BESPALOV ALEXANDRE N
IPC分类号： G01V3/02
CPC分类号： G01V3/24
摘要： Measurements made by a resistivity imaging tool in a borehole having non-conductive mud in a conductive earth formation are corrected using the tool standoff. The correction involves removing a calibration signal determined in a medium of high conductivity from the measured impedance. The magnitude and/or the real part of the impedance may be used.
摘要翻译：在导电地层中具有非导电泥浆的钻孔中的电阻率成像工具进行的测量使用刀具间隔进行校正。该校正涉及从所测量的阻抗中去除在高电导率介质中确定的校准信号。可以使用阻抗的幅度和/或实部。

8. 发明申请

WO2010045640A2 METHOD AND APPARATUS FOR BOREHOLE WALL RESISTIVITY IMAGING WITH FULL CIRCUMFERENTIAL COVERAGE 审中-公开
标题翻译：具有全面循环覆盖的井壁电阻成像方法与装置
公开(公告)号：WO2010045640A2
公开(公告)日：2010-04-22
申请号：PCT/US2009061175
申请日：2009-10-19
申请人： BAKER HUGHES INC , ITSKOVICH GREGORY B , BESPALOV ALEXANDRE N , SHAIKH FARHAT A , NOLAN PETER JOHN
发明人： ITSKOVICH GREGORY B , BESPALOV ALEXANDRE N , SHAIKH FARHAT A , NOLAN PETER JOHN
IPC分类号： G01V3/20 , G01V3/18
CPC分类号： G01V3/20
摘要： A logging tool for performing resistivity measurements on the sidewall of a borehole in an earth formation is provided with a circumferential series of evenly-spaced measurement electrodes providing complete circumferential coverage of resistivity measurements. In one embodiment, the measurement electrodes are carried on a conductive pad circumferentially surrounding an elongate mandrel or tubular. The conductive pad is held at a voltage adapted to focus measurement current into the sidewall of the borehole. Preferably, the pad has dimensions relative to the measurement electrodes and a standoff distance between the measurement electrodes and said borehole wall to effectively focus the measurement current into the borehole wall. In accordance with one aspect of the invention, the measurement electrodes are spaced apart by a distance that is less than the width of each measurement electrode, thereby ensuring full circumferential resolution.
摘要翻译：用于在地层中的钻孔的侧壁上执行电阻率测量的测井工具设置有周向系列的均匀间隔的测量电极，其提供电阻率测量的完整的圆周覆盖。在一个实施例中，测量电极承载在周向围绕细长心轴或管状物的导电垫上。导电垫被保持在适于将测量电流聚焦到钻孔的侧壁中的电压上。优选地，垫具有相对于测量电极的尺寸和测量电极与所述钻孔壁之间的间隔距离，以有效地将测量电流聚焦到钻孔壁中。根据本发明的一个方面，测量电极间隔开小于每个测量电极的宽度的距离，从而确保全周分辨率。

9. 发明申请

WO2011014333A2 METHOD AND APPARATUS FOR GALVANIC MULTI-FREQUENCY FORMATION RESISTIVITY IMAGING 审中-公开
标题翻译：用于电偶频率形成电阻率成像的方法和装置
公开(公告)号：WO2011014333A2
公开(公告)日：2011-02-03
申请号：PCT/US2010041055
申请日：2010-07-06
申请人： BAKER HUGHES INC , ITSKOVICH GREGORY B , BESPALOV ALEXANDRE N
发明人： ITSKOVICH GREGORY B , BESPALOV ALEXANDRE N
IPC分类号： G01V3/24 , G01V3/18 , G01V3/34
CPC分类号： G01V3/24
摘要： A formation measurement and processing technique which reduces the effects of standoff between a resistivity tool and a borehole wall where the resistivity tool utilizes capacitive coupling between the tool and the formation to obtain resistivity data useful to generate a resistivity image of the formation. Reduction of standoff effects is achieved through the use of multi-frequency, phase sensitive measurements to identify a measured resonance frequency that may be used to produce an image that utilizes measurements least affected by the tool standoff and unknown or unspecified inductance of the tool. Reduction of standoff effects are the most pronounced in the case of the low resistivity formations and oil-based, low-conductive drilling fluids.
摘要翻译：一种地层测量和处理技术，其减小电阻率仪和井眼壁之间的间隙的影响，其中电阻率仪利用工具和地层之间的电容耦合来获得可用于产生地层电阻率图像的电阻率数据。通过使用多频率相敏测量来识别测量的共振频率，从而实现降低间隙效应，该测量的共振频率可以用于产生利用测量值最小的测量值的图像，所述测量值受工具间隔以及工具未知或未指定的电感影响最小。在低电阻率地层和油基低导电钻井液的情况下，对抗效应的降低最为明显。

10. 发明申请

WO2012096953A3 ELECTRICAL IMAGER OPERATING IN OIL-BASED MUD AND LOW RESISTIVE FORMATION 审中-公开
标题翻译：基于油基陶瓷和低电阻形成的电子成像仪
公开(公告)号：WO2012096953A3
公开(公告)日：2012-11-15
申请号：PCT/US2012020771
申请日：2012-01-10
申请人： BAKER HUGHES INC , ITSKOVICH GREGORY B , BEARD DAVID R , LE FEI
发明人： ITSKOVICH GREGORY B , BEARD DAVID R , LE FEI
IPC分类号： G01V3/18 , G01N27/04 , G01N33/22 , G01N33/24
CPC分类号： G01V3/20
摘要： This disclosure relates to apparatuses and methods for reducing current leakage between a measure electrode and a logging tool body during borehole investigations in an earth formation involving electric current and non-conductive drilling fluid. The apparatus may include one or more transmitters disposed on a pad body, configured to inject an electric current into the earth formation, and coupled to the mandrel and one or more measure electrodes. The measure electrodes may be configured to receive current from the formation and coupled to a back plate of the pad body. The apparatus may be configured to maintain a selected ratio between pad body to logging tool body impedance and transmitters to logging tool body impedance sufficient to reduce current leakage between the earth formation and the logging tool body. The transmitter/mandrel and measure electrode/back plate may be electrically isolated from one another. The method may include using the apparatus.
摘要翻译：本公开涉及用于在包括电流和非导电钻井液的地层中的井眼研究期间减小测量电极和测井工具主体之间的电流泄漏的装置和方法。设备可以包括设置在垫体上的一个或多个发射器，其被配置为将电流注入到地层中，并且耦合到心轴和一个或多个测量电极。测量电极可以被配置为从地层接收电流并且耦合到衬垫本体的背板。该装置可以被配置为保持衬垫主体与测井工具主体阻抗之间的选定比率，并且将发射器保持在足以减小地球形成和测井工具主体之间的电流泄漏的工具体阻抗。发射器/心轴和测量电极/背板可以彼此电隔离。该方法可以包括使用该装置。

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