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11. 发明公开

EP2607929A1 Systems and methods for measuring borehole caliper in oil-based mud 审中-公开
标题翻译：在Schlamm aufÖlbasis的系统和VerfahrenfürBohrlochmessschieber
公开(公告)号：EP2607929A1
公开(公告)日：2013-06-26
申请号：EP11290610.2
申请日：2011-12-23
申请人： Services Pétroliers Schlumberger , Schlumberger Technology B.V. , Schlumberger Holdings Limited , PRAD Research and Development Limited
发明人： Legendre, Emmanuel
IPC分类号： G01V1/00 , E21B47/08 , G01B7/13 , E21B47/12 , E21B47/10
CPC分类号： G01B7/14 , E21B47/08 , E21B47/082 , E21B47/10 , E21B47/12 , E21B47/124 , G01B7/13
摘要： Systems and methods for estimating standoff and/or caliper in a wellbore for oil-based mud drilling are provided. The systems include a sensor having a primary electrode and at least two secondary electrodes, and an electronics subsystem having a controller and a processor for driving the system and correlating current measurements with standoff and/or caliper. The electrodes are positioned relative to one another such that there is a distinct flow of current between the primary electrode and each secondary electrode. In operation, a single excitation frequency is applied to the primary electrode and a simultaneous measurement of current flowing between the primary electrode and each secondary electrode is obtained. Standoff is estimated from the measurements. The estimations can be independent of formation properties when an appropriate excitation frequency is used.
摘要翻译：提供了用于估算用于油基泥浆钻井的井眼中的间隙和/或卡尺的系统和方法。该系统包括具有主电极和至少两个次级电极的传感器，以及具有用于驱动系统的控制器和处理器的电子系统子系统，并且将电流测量与支座和/或卡尺相关联。电极相对于彼此定位，使得在主电极和每个次电极之间存在明显的电流。在操作中，对主电极施加单个激发频率，并且获得在初级电极和每个次级电极之间流动的电流的同时测量。距离估计是从测量。当使用适当的激发频率时，估计可以独立于地层特性。

12. 发明授权

EP3181808B1 DOWNHOLE DETECTION OF CUTTINGS 有权
公开(公告)号：EP3181808B1
公开(公告)日：2019-04-10
申请号：EP15290319.1
申请日：2015-12-16
申请人： Services Pétroliers Schlumberger , Schlumberger Holdings Limited , SCHLUMBERGER TECHNOLOGY B.V.
发明人： Legendre, Emmanuel , Abellan, Alexandre , Tarrius, Mathieu
IPC分类号： E21B47/09

13. 发明授权

EP2985634B1 Method and apparatus for determining resistivity of a formation 有权
公开(公告)号：EP2985634B1
公开(公告)日：2019-02-27
申请号：EP14290248.5
申请日：2014-08-11
申请人： Services Pétroliers Schlumberger , Schlumberger Technology B.V. , Schlumberger Holdings Limited
发明人： Legendre, Emmanuel , Abellan, Alexandre
IPC分类号： G01V3/24

14. 发明公开

EP2237075A1 Methods for determining dielectric permittivity spectrum of underground rock formations 有权转让
标题翻译： Verfahren zur Bestimmung des dielektrischenPermittivitätsspektrumsunterirdischer Gesteinsschichten
公开(公告)号：EP2237075A1
公开(公告)日：2010-10-06
申请号：EP09157159.6
申请日：2009-04-02
申请人： Services Pétroliers Schlumberger , Schlumberger Technology B.V. , Schlumberger Holdings Limited , PRAD Research And Development Limited
发明人： Lüling, Martin , Anderson, Barbara , Barber, Thomas , Legendre, Emmanuel , Sen, Pabitra , Taherian, Reza
IPC分类号： G01V3/30 , G01V3/38
CPC分类号： G01V3/18 , E21B47/00 , G01N27/00 , G01N33/24 , G01V3/30 , G01V3/38
摘要： A method for determining the frequency-dependent dielectric permittivity spectrum of a rock sample, comprising:
- defining a series of electromagnetic measurement data comprising at least a first measurement at a frequency from which a substantially frequency-independent value of dielectric permittivity ε ∞ can be obtained; and at least second and third measurements at different frequencies from which values for frequency-dependent dielectric permittivity ε rock ( f ) can be obtained; and
- using the first, second and third measurements to determine the frequency-dependent spectrum of the sample.
摘要翻译：一种用于确定岩石样品的频率相关介电常数谱的方法，包括： - 定义一系列电磁测量数据，所述电磁测量数据包括至少第一测量，频率可以是基本上与频率无关的介电常数值μž 获得; 以及可以从其获得频率相关介电常数μ岩石（f）的值的不同频率处的至少第二和第三测量值; 以及 - 使用第一，第二和第三测量来确定样品的频率相关谱。

15. 发明公开

EP2270420A1 Method and apparatus for removal of the double indication of defects in remote eddy current inspection of pipes 有权
标题翻译：在管的远程涡流探伤去除缺陷的双指示的方法和设备
公开(公告)号：EP2270420A1
公开(公告)日：2011-01-05
申请号：EP09290508.2
申请日：2009-06-30
申请人： Services Pétroliers Schlumberger , Schlumberger Technology B.V. , Schlumberger Holdings Limited , Prad Research And Development Limited
发明人： Legendre, Emmanuel , Thilo, Brill , Rosthal, Richard , Minerbo, Gerald
IPC分类号： G01B7/06 , G01N27/90 , G01V3/28
CPC分类号： G01N27/902 , E21B47/082 , E21B49/003 , G01B7/10 , G01N27/9046 , G01N27/9073 , G01N27/9086
摘要： The apparatus employs the remote field eddy-current (RFEC) inspection technique to electromagnetically measure physical parameters of a metallic pipe. RFEC devices inserted into and displaced along a cylindrical pipes may be used to measure the ratio of pipe thickness to electromagnetic skin-depth and thus allow for the non-invasive detection of flaws or metal loss. Typically these RFEC thickness measurements exhibit a so-called double-indication of flaws, an undesired artifact due to a double-peaked geometrical sensitivity function of the device.
The method describes a means by which this double indication artifact may be removed by an appropriate processing of RFEC measurements performed by an apparatus specifically designed for this purpose. The invention is particularly well designed for applications in the oilfield industry.
摘要翻译：该装置采用了远场涡流（RFEC）检测技术以电磁测量的金属管的物理参数。插入并沿着一个圆筒形管移位RFEC装置可以被用于测量管厚的电磁皮肤深度的比率和因此允许缺陷或金属损失的非侵入性的检测。典型地，本文RFEC厚度测量显示出缺陷的所谓的双指示，不期望的伪影，由于该装置的双峰几何灵敏度函数。该方法描述了一种方式，通过此双指示伪像可以通过在执行者来专门为此目的设计的装置RFEC测量的适当的处理除去。本发明特别精心设计在油田行业的应用。

16. 发明授权

EP2677116B1 Method and apparatus to detect an oil/water contact 有权
标题翻译：检测液体分布的方法和装置
公开(公告)号：EP2677116B1
公开(公告)日：2016-10-05
申请号：EP12290182.0
申请日：2012-06-01
申请人： Services Pétroliers Schlumberger , Schlumberger Technology B.V. , Schlumberger Holdings Limited (SHL) , PRAD Research and Development Limited
发明人： Jannin, Gaelle , Legendre, Emmanuel , Nichols, Edward
IPC分类号： E21B43/32 , E21B47/10 , G01V3/20
CPC分类号： E21B47/102 , E21B43/32 , E21B49/087 , E21B2049/085 , G01V3/20 , G01V3/34

17. 发明公开

EP3032284A1 System and method for compensation in a resistivity detection 审中-公开
标题翻译：系统和Verfahren zur Kompensation bei einer Widerstandserkennung
公开(公告)号：EP3032284A1
公开(公告)日：2016-06-15
申请号：EP14290382.2
申请日：2014-12-12
申请人： Services Pétroliers Schlumberger , Schlumberger Holdings Limited , Schlumberger Technology B.V.
发明人： Legendre, Fabienne , Legendre, Emmanuel
IPC分类号： G01V1/30
CPC分类号： G01V1/30
摘要： The disclosure relates to a downhole electrical resistivity measurement tool including a first, a second, and a third transmitter antenna mounted on a body and at least one receiver mounted on the body for measuring currents generated by the transmitter antennas. Additionally, the downhole electrical resistivity measurement tool includes a data processing system. The data processing system may generate, from a linear combination of current measurements generated by the second and the third transmitter antennas and received by the receiver, a first virtual transmitter antenna at a corresponding virtual location on the body. The first virtual transmitter antenna provides data equivalent to current signals generated by an additional transmitter antenna at the virtual location and received by the receiver. The data processing system may also estimate a resistivity of a geological formation as a function of the current measurements generated by two antennas, including the first virtual transmitter antenna.
摘要翻译：本公开涉及一种井下电阻率测量工具，其包括安装在主体上的第一，第二和第三发射器天线以及安装在主体上的用于测量发射器天线产生的电流的至少一个接收器。此外，井下电阻率测量工具包括数据处理系统。数据处理系统可以从由第二和第三发射机天线产生的并由接收机接收的当前测量的线性组合产生在身体上的相应虚拟位置处的第一虚拟发射机天线。第一个虚拟发射机天线提供与虚拟位置处的附加发射机天线产生的并由接收机接收的当前信号相当的数据。数据处理系统还可以估计作为由包括第一虚拟发射机天线的两个天线产生的电流测量的函数的地质地层的电阻率。

18. 发明授权

EP2237075B1 Methods for determining dielectric permittivity spectrum of underground rock formations 有权转让
标题翻译：一种用于确定在电介质Permittivitätsspektrums地下岩层的方法
公开(公告)号：EP2237075B1
公开(公告)日：2012-10-17
申请号：EP09157159.6
申请日：2009-04-02
申请人： Services Pétroliers Schlumberger , Schlumberger Technology B.V. , Schlumberger Holdings Limited , PRAD Research And Development Limited
发明人： Lüling, Martin , Anderson, Barbara , Barber, Thomas , Legendre, Emmanuel , Sen, Pabitra , Taherian, Reza
IPC分类号： G01V3/30 , G01V3/38
CPC分类号： G01V3/18 , E21B47/00 , G01N27/00 , G01N33/24 , G01V3/30 , G01V3/38

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