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41. 发明申请

US20080068025A1 Method and apparatus for resistivity imaging in boreholes filled with low conductivity fluids 有权
标题翻译：用低电导率流体填充的钻孔中的电阻率成像方法和装置
公开(公告)号：US20080068025A1
公开(公告)日：2008-03-20
申请号：US11521016
申请日：2006-09-14
申请人： Randy Gold , Rashid W. Khokhar , Alexandre N. Bespalov , Leonty A. Tabarovsky
发明人： Randy Gold , Rashid W. Khokhar , Alexandre N. Bespalov , Leonty A. Tabarovsky
IPC分类号： G01V3/00
CPC分类号： G01V3/24
摘要： A mixed mode tool uses an inductive source and detects galvanic currents and/or potentials at electrodes in proximity to a borehole wall to produce a resistivity image of the earth formation.
摘要翻译：混合模式工具使用感应源并检测靠近钻孔壁的电极处的电流和/或电位，以产生地层的电阻率图像。

42. 发明申请

US20080068024A1 Method and Apparatus for Resistivity Imaging in Boreholes Filled with Low Conductivity Fluids 有权
标题翻译：用低电导率液体填充孔洞的电阻率成像方法和装置
公开(公告)号：US20080068024A1
公开(公告)日：2008-03-20
申请号：US11852900
申请日：2007-09-10
申请人： Randy Gold , Rashid W. Khokhar , Alexandre N. Bespalov , Leonty A. Tabarovsky
发明人： Randy Gold , Rashid W. Khokhar , Alexandre N. Bespalov , Leonty A. Tabarovsky
IPC分类号： G01V3/20 , G01V3/02 , G01V3/34
CPC分类号： G01V3/24
摘要： A mixed mode tool uses an inductive source and detects galvanic currents and/or potentials at electrodes in proximity to a borehole wall to produce a resistivity image of the earth formation. Alternative, the magnetic field produced by a galvanic current is detected by an antenna coil and used to produce a resistivity image. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understand that it will not be used to interpret or limit the scope or meaning of the claims.
摘要翻译：混合模式工具使用感应源并检测靠近钻孔壁的电极处的电流和/或电位，以产生地层的电阻率图像。可选地，由电流产生的磁场由天线线圈检测并用于产生电阻率图像。要强调的是，该摘要被提供以符合要求摘要的规则，这将允许搜索者或其他读者快速确定技术公开的主题。提交的理由是，它不会用于解释或限制权利要求的范围或含义。

43. 发明授权

US08803527B2 Use of electrodes and multi-frequency focusing to correct eccentricity and misalignment effects on transversal induction measurements 有权
标题翻译：使用电极和多频聚焦来校正横向感应测量的偏心率和不对中效应
公开(公告)号：US08803527B2
公开(公告)日：2014-08-12
申请号：US13417892
申请日：2012-03-12
申请人： Michael B. Rabinovich , Alexandre N. Bespalov , Stanislav W. Forgang
发明人： Michael B. Rabinovich , Alexandre N. Bespalov , Stanislav W. Forgang
IPC分类号： G01V3/00
CPC分类号： G01V3/28
摘要： A multicomponent induction logging tool uses a nonconducting mandrel. A central conducting member including wires that electrically connect at least one of the antennas to another of the antennas. Electrodes disposed about the transmitter antenna form a conductive path through a borehole fluid to the central conducting member.
摘要翻译：多组分感应测井仪使用不导电心轴。一种中心导电构件，包括将至少一个天线电连接到另一个天线的导线。围绕发射器天线布置的电极形成穿过井眼流体到中心导电构件的导电路径。

44. 发明授权

US08427162B2 Apparatus and method for detection of position of a component in an earth formation 有权
标题翻译：用于检测地层中组分位置的装置和方法
公开(公告)号：US08427162B2
公开(公告)日：2013-04-23
申请号：US12545505
申请日：2009-08-21
申请人： Alexandre N. Bespalov , Vladimir Dubinsky , Rashid W. Khokhar
发明人： Alexandre N. Bespalov , Vladimir Dubinsky , Rashid W. Khokhar
IPC分类号： G01V3/08
CPC分类号： E21B47/022
摘要： An apparatus for detecting a position of a component in an earth formation is disclosed. The apparatus includes: a transmitter configured to emit a first magnetic field into the earth formation and induce an electric current in the component, the transmitter having a first magnetic dipole extending in a first direction; and a receiver for detecting a second magnetic field generated by the component in response to the first magnetic field, the receiver having a second magnetic dipole extending in a second direction orthogonal to the first direction. A method and computer program product for detecting a position of a component in an earth formation is also disclosed. Apparatus and methods are also disclosed for estimating a position of a second borehole being drilled relative to an existing first borehole.
摘要翻译：公开了一种用于检测地层中的部件的位置的装置。该装置包括：发射机，被配置为向地层发射第一磁场并且感应该部件中的电流，所述发射机具有沿第一方向延伸的第一磁偶极子; 以及用于响应于所述第一磁场检测由所述分量产生的第二磁场的接收器，所述接收器具有在与所述第一方向正交的第二方向上延伸的第二磁偶极子。还公开了一种用于检测地层中的部件的位置的方法和计算机程序产品。还公开了用于估计相对于现有第一钻孔钻出的第二钻孔的位置的装置和方法。

45. 发明授权

US08237445B2 Octupole induction sensors for resistivity imaging in non-conductive muds 有权
标题翻译：用于非导电泥浆电阻率成像的八极感应传感器
公开(公告)号：US08237445B2
公开(公告)日：2012-08-07
申请号：US12396977
申请日：2009-03-03
申请人： Alexandre N. Bespalov , Sheng Fang
发明人： Alexandre N. Bespalov , Sheng Fang
IPC分类号： G01V3/10
CPC分类号： G01V3/28
摘要： The present disclosure provides a method and apparatus for performing resistivity measurements of a borehole wall using a transverse octupole sensor. The sensor may be a resistivity sensor. Higher resolution is obtained with an octupole sensor than with lower-order-pole sensors. For the resistivity case, the ratio of dual-frequency measurements has reduced sensitivity to standoff.
摘要翻译：本公开提供了一种用于使用横向八极传感器来执行井壁的电阻率测量的方法和装置。传感器可以是电阻率传感器。使用八极传感器获得比使用低阶极点传感器更高的分辨率。对于电阻率情况，双频测量的比率降低了对隔离的灵敏度。

46. 发明授权

US08174266B2 Multi-resolution borehole resistivity imaging 有权
标题翻译：多分辨率井眼电阻率成像
公开(公告)号：US08174266B2
公开(公告)日：2012-05-08
申请号：US12178306
申请日：2008-07-23
申请人： Randy Gold , Alexandre N. Bespalov , Gregory B. Itskovich
发明人： Randy Gold , Alexandre N. Bespalov , Gregory B. Itskovich
IPC分类号： G01V3/02 , G01V3/18
CPC分类号： G01V3/24
摘要： An apparatus, method and computer-readable medium for obtaining a resistivity image of an earth formation. The apparatus includes a downhole assembly configured to be conveyed in a borehole penetrating the earth formation; a plurality of sensor electrodes on the downhole assembly, each of the plurality of sensor electrodes having a different capacitance to a wall of the borehole; and at least one processor configured to: (i) process measurements using each of the sensor electrodes; (ii) process a subset of the measurements substantially unaffected by the different capacitances to produce an image of the borehole wall; and (iii) record the image on a suitable medium.
摘要翻译：一种用于获得地层电阻率图像的装置，方法和计算机可读介质。该装置包括井下组件，其构造成在穿过地层的钻孔中传送; 所述井下组件中的多个传感器电极，所述多个传感器电极中的每一个与所述钻孔的壁具有不同的电容; 以及至少一个处理器，其被配置为：（i）使用每个所述传感器电极处理测量; （ii）处理基本上不受不同电容影响的测量的子集，以产生井壁的图像; 和（iii）将图像记录在合适的介质上。

47. 发明申请

US20120109527A1 Apparatus and Methods for Drilling Wellbores by Ranging Existing Boreholes Using Induction Devices 审中-公开
标题翻译：使用感应装置测量现有钻孔钻井孔的装置和方法
公开(公告)号：US20120109527A1
公开(公告)日：2012-05-03
申请号：US13234476
申请日：2011-09-16
申请人： Alexandre N. Bespalov , Assol Kavtokina
发明人： Alexandre N. Bespalov , Assol Kavtokina
IPC分类号： G06F19/00 , G01V3/10
CPC分类号： E21B47/02216 , E21B7/04
摘要： In one aspect a method of drilling a borehole is disclosed, wherein the method includes generating a primary electromagnetic field with a transmitter in a second borehole spaced from the first borehole, the primary electromagnetic filed causing electrical current in the conductive material of the first borehole, measuring a secondary electromagnetic field at a receiver in the second borehole, the electromagnetic field being responsive to the electrical current flowing in the conductive material in the first borehole, and determining a location of the first borehole using the measured secondary electromagnetic field.
摘要翻译：一方面，公开了一种钻孔钻孔的方法，其中该方法包括在与第一钻孔间隔开的第二钻孔中产生具有发射器的主电磁场，主电磁场引起第一钻孔的导电材料中的电流，测量第二钻孔中的接收器处的次级电磁场，所述电磁场响应于在所述第一钻孔中的导电材料中流动的电流，以及使用所测量的次级电磁场确定所述第一钻孔的位置。

48. 发明授权

US08112228B2 Statistical correction for standoff in two-terminal imager operating in oil-based mud 有权
标题翻译：在油基泥浆中运行的两端成像仪的对位统计校正
公开(公告)号：US08112228B2
公开(公告)日：2012-02-07
申请号：US12125214
申请日：2008-05-22
申请人： Alexandre N. Bespalov , Gregory B. Itskovich
发明人： Alexandre N. Bespalov , Gregory B. Itskovich
IPC分类号： G01V3/38 , G01V3/08 , G01V3/18 , G01V3/26
CPC分类号： G01V3/24
摘要： An apparatus, method and computer-readable medium for estimating a resistivity property of an earth formation in a borehole filled with oil-based mud. The method includes conveying a logging tool into a borehole; measuring a plurality of impedance values of the earth formation, each of the plurality of impedance values being obtained at one of a plurality of measure electrodes on the logging tool; determining a coefficient related to an electrical property of the mud from a plurality of pairs of impedance values; estimating the resistivity property of the formation from the determined coefficient; and recording the resistivity property on a suitable medium.
摘要翻译：一种用于估计填充有油基泥浆的钻孔中的地层的电阻率特性的装置，方法和计算机可读介质。该方法包括将测井工具输送到钻孔中; 测量所述地层的多个阻抗值，所述多个阻抗值中的每一个在所述测井工具上的多个测量电极之一处获得; 从多对阻抗值确定与泥浆的电特性相关的系数; 从确定的系数估计地层的电阻率性质; 并在合适的介质上记录电阻率。

49. 发明申请

US20110156708A1 CONCENTRIC BUTTONS OF DIFFERENT SIZES FOR IMAGING AND STANDOFF CORRECTION 有权
标题翻译：用于成像和标准校正的不同尺寸的浓度按钮
公开(公告)号：US20110156708A1
公开(公告)日：2011-06-30
申请号：US13046096
申请日：2011-03-11
申请人： Matthias Gorek , Gregory B. Itskovich , Alexandre N. Bespalov
发明人： Matthias Gorek , Gregory B. Itskovich , Alexandre N. Bespalov
IPC分类号： G01V3/02
CPC分类号： G01V3/24
摘要： Disclosed is a method of estimating a property of an earth formation penetrated by a borehole. The method includes: disposing into the borehole a sensor having a plurality of return electrodes and at least one transmitter electrode disposed in a concentric arrangement; injecting a first current of a first frequency into the formation by applying an alternating current voltage between first selected ones of the plurality of return electrodes and the at least one transmitter electrode; injecting a second current of a second frequency into the formation by applying an alternating current voltage between second selected ones of the plurality of return electrodes and the at least one transmitter electrode; measuring effective impedance for each of the currents; and estimating the property using the measurements of the effective impedance for each of the currents; wherein the estimating compensates for an influence of standoff distances of the sensor on the measurements
摘要翻译：公开了一种估计由钻孔穿透的地层的性质的方法。该方法包括：在钻孔中布置具有多个返回电极的传感器和以同心布置设置的至少一个发射器电极; 通过在所述多个返回电极中的第一选定电极和所述至少一个发射器电极之间施加交流电压，将第一频率的第一电流注入到所述地层中; 通过在所述多个返回电极中的第二选定电极和所述至少一个发射器电极之间施加交流电压将第二频率的第二电流注入所述地层; 测量每个电流的有效阻抗; 并且使用每个电流的有效阻抗的测量来估计该性质; 其中所述估计补偿所述传感器对所述测量的间隔距离的影响

50. 发明授权

US07928733B2 Concentric buttons of different sizes for imaging and standoff correction 有权
标题翻译：用于成像和对位校正的不同尺寸的同心按钮
公开(公告)号：US07928733B2
公开(公告)日：2011-04-19
申请号：US12178590
申请日：2008-07-23
申请人： Matthias Gorek , Gregory B. Itskovich , Alexandre N. Bespalov
发明人： Matthias Gorek , Gregory B. Itskovich , Alexandre N. Bespalov
IPC分类号： G01V3/06 , G01V3/08 , G01V3/12
CPC分类号： G01V3/24
摘要： A method of estimating standoff in a borehole through an earth formation, includes: disposing a sensor including a plurality of return electrodes and at least one transmitter electrode disposed in a concentric arrangement into the borehole; injecting current, I, into the formation by applying at least two frequencies of alternating current (AC) voltage between at least two of the electrodes; measuring impedance, Z, for each of the frequencies; and using a predetermined relationship between impedance, Z, and standoff, estimating the standoff. A system and a computer program product are provided.
摘要翻译：一种通过地层估计钻孔中的间隙的方法，包括：将包括多个返回电极的传感器和至少一个以同心布置设置在所述钻孔中的发射器电极布置; 通过在至少两个电极之间施加至少两个交流电压（AC）电压来将电流I注入到地层中; 测量每个频率的阻抗Z; 并且使用阻抗Z和间隔之间的预定关系来估计间隔。提供系统和计算机程序产品。

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