专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2004049008A1 ELECTROMAGNETIC SURVEYING FOR HYDROCARBON RESERVOIRS 审中-公开
标题翻译：用于油气储层的电磁测量
公开(公告)号：WO2004049008A1
公开(公告)日：2004-06-10
申请号：PCT/GB2003/005094
申请日：2003-11-24
申请人： OHM LIMITED , MACGREGOR, Lucy, M. , SINHA, Martin, C. , WEANER, Richard
发明人： MACGREGOR, Lucy, M. , SINHA, Martin, C. , WEANER, Richard
IPC分类号： G01V3/12
CPC分类号： G01V3/12 , G01V3/083
摘要： An electromagnetic survey method for surveying an area that potentially contains a subterranean hydrocarbon reservoir. The method comprises detecting a detector signal in response to a source electromagnetic signal, resolving the detector signal along at least two orthogonal directions, and comparing phase measurements of the detector signal resolved along these directions to look for a phase separation anomaly indicative of the presence of a buried hydrocarbon layer. The invention also relates to planning a survey using this method, and to analysis of survey data taken using this survey method. The first and second data sets may be obtained concurrently with a single horizontal electric dipole source antenna. The method is also largely independent of a source-detector pair's relative orientation and so provides for good spatial coverage and easy-to-perform surveying.
摘要翻译：用于勘测潜在含有地下油气藏的区域的电磁勘测方法。该方法包括响应于源电磁信号检测检测器信号，沿着至少两个正交方向分辨检测器信号，以及比较沿着这些方向分辨的检测器信号的相位测量值，以寻找指示存在的相位分离异常埋层烃层。本发明还涉及使用该方法来规划调查，并且分析使用该调查方法进行的调查数据。第一和第二数据组可以与单个水平电偶极子源天线同时获得。该方法在很大程度上独立于源 - 检测器对的相对方向，因此提供良好的空间覆盖和易于执行的测量。

2. 发明申请

WO2003048812A1 ELECTROMAGNETIC SURVEYING FOR HYDROCARBON RESERVOIRS 审中-公开
标题翻译：用于油气储层的电磁测量
公开(公告)号：WO2003048812A1
公开(公告)日：2003-06-12
申请号：PCT/GB2002/005355
申请日：2002-11-28
申请人： UNIVERSITY OF SOUTHAMPTON , MACGREGOR, Lucy, M. , SINHA, Martin, C.
发明人： MACGREGOR, Lucy, M. , SINHA, Martin, C.
IPC分类号： G01V3/12
CPC分类号： G01V3/12 , G01V3/083 , Y02A90/344
摘要： An electromagnetic survey method for surveying an area previously identified as potentially containing a subsea hydrocarbon reservoir, comprising obtaining first and second survey data sets with an electromagnetic source aligned end-on and broadside relative to the same or different receivers. The invention also relates to planning a survey using this method, and to analysis of survey data taken in combination allow the galvanic contribution to the signals collected at the receiver to be contrasted with the inductive effects, and the effects of signal attenuation, which are highly dependent on local properties of the rock formation, overlying water and air at the survey area. This is very important to the success of using electromagnetic surveying for identifying hydrocarbon reserves and distinguishing them from other classes of structure.
摘要翻译：一种用于测量先前被识别为潜在地包含海底碳氢化合物油藏的区域的电磁勘测方法，包括获得具有相对于相同或不同的接收器的端对齐和远侧的电磁源的第一和第二测量数据集。本发明还涉及使用这种方法来规划调查，并且对组合的调查数据进行分析，使得在接收机处收集的信号的电流贡献与感应效应对比，并且信号衰减的影响是高度的取决于岩层的局部性质，覆盖在测量区域的水和空气。这对于使用电磁勘探来确定碳氢化合物储量并将其与其他类型的结构区分开来是非常重要的。

3. 发明申请

WO2004008183A2 ELECTROMAGNETIC SURVEYING FOR HYDROCARBON RESERVOIRS 审中-公开
标题翻译：油气储层电磁测量
公开(公告)号：WO2004008183A2
公开(公告)日：2004-01-22
申请号：PCT/GB2003/002379
申请日：2003-05-30
申请人： UNIVERSITY OF SOUTHAMPTON , MACGREGOR, Lucy, M. , RUST, Jennifer, L. , SINHA, Martin, C.
发明人： MACGREGOR, Lucy, M. , RUST, Jennifer, L. , SINHA, Martin, C.
IPC分类号： G01V3/12
CPC分类号： G01V3/12 , G01V3/083
摘要： An electromagnetic survey method for surveying an area of seafloor that is thought or known to contain a subterranean hydrocarbon reservoir, comprising obtaining a first survey data set with a vertical electric dipole (VED) antenna for generating vertical current loops and a second survey data set with a vertical magnetic dipole (VMD) antenna for generating horizontal current loops. In an alternative embodiment, the VMD antenna is dispensed with and the horizontal electromagnetic field is derived from the naturally occurring magnetotelluric (MT) electromagnetic field. In another alternative embodiment, the VED data is compared with a background geological model instead of VMD or MT data. The invention also relates to a survey apparatus comprising VED and VMD antennae, to planning a survey using this method, and to analysis of survey data taken using this survey method. The first and second survey data sets allow the galvanic contribution to the detector signals collected at a detector to be independently contrasted with the inductive effects. This is important to the success of using electromagnetic surveying for identifying hydrocarbon reserves and distinguishing them from other classes of structure.
摘要翻译：一种用于测量被认为或已知含有地下烃储层的海底区域的电磁勘测方法，包括用垂直电偶极子（VED）天线获得第一测量数据集，用于产生垂直电流回路，以及第二测量数据组，用于产生水平电流回路的垂直磁偶极子（VMD）天线。在替代实施例中，省去了VMD天线，并且从天然存在的大地电磁（MT）电磁场导出了水平电磁场。在另一替代实施例中，将VED数据与背景地质模型进行比较，而不是VMD或MT数据。本发明还涉及包括VED和VMD天线的调查装置，使用该方法规划调查，以及使用该调查方法分析调查数据。第一和第二测量数据集允许在检测器处收集的检测器信号的电流贡献与感应效应独立对比。这对于使用电磁勘测来识别碳氢化合物储量并将其与其他类别的结构区分开来是成功的重要。

4. 发明申请

WO2004109338A1 ELECTROMAGNETIC SURVEYING FOR HYDROCARBON RESERVOIRS 审中-公开
标题翻译：用于油气储层的电磁测量
公开(公告)号：WO2004109338A1
公开(公告)日：2004-12-16
申请号：PCT/GB2004/001877
申请日：2004-04-30
申请人： OHM LIMITED , MACGREGOR, Lucy, M. , SINHA, Martin, C.
发明人： MACGREGOR, Lucy, M. , SINHA, Martin, C.
IPC分类号： G01V3/12
CPC分类号： G01V3/12 , G01V3/083 , Y02A90/344
摘要： A method of electromagnetic surveying of an area of seafloor that is thought or known to contain a subterranean hydrocarbon reservoir is described. The method includes broadcasting an EM signal from a horizontal electric dipole (HED) transmitter and obtaining vertical electric dipole (VED) response data at a remote receiver in response thereto. Survey data are analysed by comparing the VED response data with background data which are not sensitive to the postulated hydrocarbon reservoir. Accordingly, différences between the VED response data and the background data allow for the identification of buried hydrocarbon reservoirs. The background data may be provided by magneto-telluric surveying, controlled source electromagnetic surveying or from direct geophysical measurement. By employing VED response data in this way, surveys may be performed in shallower water than has previously been possible since the VED detector is not sensitive to air-wave components of the EM field induced by the HED transmitter at the VED detector.
摘要翻译：描述了认为或已知含有地下油气藏的海底区域的电磁勘测方法。该方法包括从水平电偶极子（HED）发射器广播EM信号，并响应于远程接收机获得垂直电偶极子（VED）响应数据。通过比较VED响应数据和对假设的油气藏不敏感的背景数据来分析调查数据。因此，VED响应数据和背景数据之间的差异允许识别埋藏的油气藏。背景数据可以通过磁碲测量，受控源电磁测量或直接地球物理测量来提供。通过以这种方式采用VED响应数据，可以在比以前可能的浅水中进行调查，因为VED检测器对由VED检测器处的HED发射器感应的EM场的气波分量不敏感。

5. 发明申请

WO2008152361A1 ELECTROMAGNETIC DETECTOR FOR MARINE SURVEYING 审中-公开
标题翻译：用于海洋勘测的电磁探测器
公开(公告)号：WO2008152361A1
公开(公告)日：2008-12-18
申请号：PCT/GB2008/001925
申请日：2008-06-05
申请人： OHM LIMITED , MACGREGOR, Lucy , PRATT, David, Charles, Newall , NICHOLLS, Jonathan, Harvey , SINHA, Martin, C.
发明人： MACGREGOR, Lucy , PRATT, David, Charles, Newall , NICHOLLS, Jonathan, Harvey , SINHA, Martin, C.
IPC分类号： G01V3/12
CPC分类号： G01V3/12 , G01V3/083
摘要： A detector for underwater electromagnetic surveying is described. The detector (123) comprises first, second, third and fourth electrodes which are arranged to define first, second and third electric dipole antennae (201) extending between pairs of the electrodes. Each dipole antennae extends between a pair of the electrodes and the fourth electrode is common to all three dipole antennae. Thus the first electrode is separated from the fourth electrode (140) along a first direction to provide the first dipole antenna, the second electrode is separated from the fourth electrode along a second direction to provide the second dipole antenna, and the third electrode is separated from the fourth electrode along a third direction to provide the third dipole antenna. The electrodes are arranged so that the first, second and third directions are inclined at an angle of between 20 and 70 degrees to a surface on which the detector rests when in normal use.
摘要翻译：描述了一种用于水下电磁测量的探测器。检测器（123）包括第一，第二，第三和第四电极，其布置成限定在成对的电极之间延伸的第一，第二和第三电偶极天线（201）。每个偶极天线在一对电极之间延伸，第四电极对于所有三个偶极子天线是共同的。因此，第一电极沿着第一方向与第四电极（140）分离以提供第一偶极子天线，第二电极沿着第二方向与第四电极分离以提供第二偶极子天线，并且第三电极被分离从第四电极沿着第三方向提供第三偶极子天线。电极被布置成使得当正常使用时，第一，第二和第三方向以与检测器搁置的表面成20至70度的角度倾斜。

6. 发明申请

WO2004008183A3 ELECTROMAGNETIC SURVEYING FOR HYDROCARBON RESERVOIRS 审中-公开
标题翻译：用于油气储层的电磁测量
公开(公告)号：WO2004008183A3
公开(公告)日：2004-04-01
申请号：PCT/GB0302379
申请日：2003-05-30
申请人： UNIV SOUTHAMPTON , MACGREGOR LUCY M , RUST JENNIFER L , SINHA MARTIN C
发明人： MACGREGOR LUCY M , RUST JENNIFER L , SINHA MARTIN C
IPC分类号： G01V3/12 , G01V3/15
CPC分类号： G01V3/12 , G01V3/083
摘要： An electromagnetic survey method for surveying an area of seafloor (6) that is thought or known to contain a subterranean hydrocarbon reservoir (12), comprising obtaining a first survey data set with a vertical electric dipole (VED) antenna (22) for generating vertical current loops and a second survey data set with a vertical magnetic dipole (VMD) (23) antenna for generating horizontal current loops. In an alternative embodiment, the VMD antenna is dispensed with and the horizontal electromagnetic field is derived from the naturally occurring magnetotelluric (MT) electromagnetic field. In another alternative embodiment, the VED data is compared with a background geological model instead of VMD or MT data.
摘要翻译：一种用于测量被认为或已知含有地下油藏（12）的海底区域（6）的电磁勘测方法，包括用垂直电偶极子（VED）天线（22）获得第一勘测数据集，用于产生垂直电流回路和具有用于产生水平电流回路的垂直磁偶极子（VMD）（23））天线的第二测量数据组。在替代实施例中，不需要VMD天线，并且从天然存在的大地电磁（MT）电磁场导出水平电磁场。在另一替代实施例中，将VED数据与背景地质模型进行比较，而不是VMD或MT数据。

7. 发明申请

WO2003034096A1 SIGNAL GENERATION APPARATUS AND METHOD FOR SEAFLOOR ELECTROMAGNETIC EXPLORATION 审中-公开
标题翻译：用于海底电磁探测的信号发生装置和方法
公开(公告)号：WO2003034096A1
公开(公告)日：2003-04-24
申请号：PCT/GB2002/004460
申请日：2002-10-02
申请人： UNIVERSITY OF SOUTHAMPTON , SINHA, Martin, C. , MACGREGOR, Lucy, M.
发明人： SINHA, Martin, C. , MACGREGOR, Lucy, M.
IPC分类号： G01V3/12
CPC分类号： H02M5/2573 , G01V3/12 , H02M5/27
摘要： An apparatus for generating electronic signals for application in subsea electromagnetic exploration. A surface generated high-voltage low-current source signal stabilized at a first frequency is supplied to a deep-tow vehicle (18) via an umbilical cable (16). The high-voltage low-current signal is transformed at the deep-tow vehicle to a high-current low-voltage a.c. signal by a transformer (52) within a cycloconverter (30). A semiconductor relay bridge (104) provides switchable rectification of the high-current low-voltage a.c. signal to provide a quasi-square wave at a second frequency, lower than the first frequency, for supply to a transmitting antenna (22) towed by the deep-tow vehicle. The times of the rectification switching are dependent on zero crossings of the high-current low-voltage a.c. signal. Allowable rectification switching times may be gated to occur only within pre-determined time windows to avoid noise-induced zero-crossing switching. The apparatus allows multiple transmission frequencies to be derived from a single stabilized source and improves spectral integrity by avoiding rectification switching at zero-crossings not occurring at the first frequency.
摘要翻译：一种用于生成应用于海底电磁勘探的电子信号的装置。以第一频率稳定的表面产生的高电压低电流源信号经由脐带缆（16）供应到深拖车辆（18）。高压低电流信号在深拖车车辆变换为高电流低压电流。由循环变换器（30）内的变压器（52）发出信号。半导体继电器桥（104）提供高电流低压交流电的可切换整流。信号以提供低于第一频率的第二频率的准方波，以供给由深拖车车辆牵引的发射天线（22）。整流开关的时间取决于高电流低电压交流的零交叉。信号。允许的整流切换时间可以仅在预定时间窗口内进行，以避免噪声引起的过零切换。该装置允许从单个稳定源导出多个传输频率，并且通过避免在不在第一频率处发生的过零点处的整流切换来提高频谱完整性。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式