公开(公告)号：EP2630478A4

公开(公告)日：2015-12-30

申请号：EP11834799

申请日：2011-09-14

Applicant: BAKER HUGHES INC

Inventor： LI LILONG ,  CHEN SONGHUA ,  EDWARDS CARL M ,  ONG JOO TIM

IPC: G01N24/08 ,  G01F1/56 ,  G01R33/44

CPC classification number: G01R33/56308 ,  G01N24/081 ,  G01N24/082 ,  G01R33/445 ,  G01R33/563 ,  G01V3/14

Abstract: A method and apparatus for estimating a flow rate of a phase of a multiphase fluid is disclosed. A first velocity distribution is obtained for a first set of nuclei in the fluid from a Nuclear Magnetic Resonance (NMR) signal received for the fluid in response to a first NMR excitation signal. A second velocity distribution is obtained for a second set of nuclei in the fluid from an NMR signal received for the fluid in response to a second NMR excitation signal. A velocity of the phase is estimated from the first velocity distribution and the second velocity distribution. The flow rate of the phase is estimated using the estimated velocity of the phase and an estimated volume fraction of the phase.

公开(公告)号：EP2356472A4

公开(公告)日：2012-10-10

申请号：EP09830833

申请日：2009-11-16

Applicant: BAKER HUGHES INC

Inventor： GEORGI DANIEL T ,  EDWARDS CARL M ,  FANG SHENG ,  DIFOGGIO ROCCO ,  ESTES ROBERT A

IPC: G01P21/00 ,  G01P15/18 ,  G01V7/00

CPC classification number: G01P15/093 ,  G01P15/18 ,  G01P21/00 ,  G01P2015/0814 ,  G01V7/00

公开(公告)号：WO2009088567A1

公开(公告)日：2009-07-16

申请号：PCT/US2008083772

申请日：2008-11-17

Applicant: BAKER HUGHES INC ,  GEORGI DANIEL T ,  EDWARDS CARL M ,  FANG SHENG ,  DIFOGGIO ROCCO ,  ESTES ROBERT ALAN

Inventor： GEORGI DANIEL T ,  EDWARDS CARL M ,  FANG SHENG ,  DIFOGGIO ROCCO ,  ESTES ROBERT ALAN

IPC: G01V1/40

CPC classification number: G01V7/16

Abstract: An instrument for measuring gravitational acceleration, the instrument including: a plurality of accelerometers disposed about a three-dimensional structure, the plurality of accelerometers providing output used for measuring the gravitational acceleration; wherein each accelerometer in the plurality is implemented by at least one of a micro-electromechanical system (MEMS) and a nano-electromechanical system (NEMS).

Abstract translation: 一种用于测量重力加速度的仪器，所述仪器包括：围绕三维结构设置的多个加速度计，所述多个加速度计提供用于测量重力加速度的输出; 其中多个中的每个加速度计由微机电系统（MEMS）和纳米机电系统（NEMS）中的至少一个来实现。

公开(公告)号：WO2014126883A3

公开(公告)日：2015-01-08

申请号：PCT/US2014015700

申请日：2014-02-11

Applicant: BAKER HUGHES INC

Inventor： EDWARDS CARL M ,  CHEN JINHONG

IPC: E21B47/00 ,  E21B49/08 ,  G01V3/18 ,  G01V3/38

CPC classification number: G01V3/32 ,  G01N24/081 ,  G01R33/20

Abstract: A method for estimating a property of subsurface material includes extracting a sample of the material using a downhole formation tester and performing a plurality of nuclear magnetic resonance (NMR) measurements on a sensitive volume in the sample where each measurement in the plurality is performed in a static homogeneous magnetic field with a pulsed magnetic field gradient that is different in magnitude from other NMR measurements to provide a waveform signal. The method further includes transforming each received waveform signal from a time domain into a frequency domain and comparing the frequency domain signal to a reference to provide proton chemical-shift information related to a chemical property of one or more molecules in the sample and transforming the frequency domain signals into a complex number domain that quantifies waveform signal amplitude changes to provide one or more diffusion rates with each diffusion rate being associated with a corresponding frequency.

Abstract translation: 用于估计地下材料性质的方法包括使用井下成形测试仪提取材料样品，并在样品中的敏感体积上进行多个核磁共振（NMR）测量，其中多个测量中的每个测量在 具有脉冲磁场梯度的静态均匀磁场，其幅度与其他NMR测量值不同以提供波形信号。 该方法还包括将每个接收到的波形信号从时域变换为频域，并将频域信号与参考值进行比较，以提供与样品中一个或多个分子的化学特性相关的质子化学位移信息，并将频率 域信号转换成复数域，其量化波形信号幅度变化以提供一个或多个扩散速率，其中每个扩散速率与相应的频率相关联。

公开(公告)号：WO2009088548A4

公开(公告)日：2010-01-21

申请号：PCT/US2008080333

申请日：2008-10-17

Applicant: BAKER HUGHES INC ,  REIDERMAN ARCADY ,  BEARD DAVID R ,  EDWARDS CARL M

Inventor： REIDERMAN ARCADY ,  BEARD DAVID R ,  EDWARDS CARL M

IPC: G01V3/00

CPC classification number: G01V3/32 ,  H01F7/0278 ,  H01F7/04 ,  H01F7/20 ,  Y10T29/49075

Abstract: A magnet assembly for measuring properties of a formation from a borehole, the magnet assembly including a first device and a second device, each device adapted for insertion into the borehole, the first device producing a first magnetic field, the second device producing a second magnetic field; wherein the second magnetic field is configurable for one of reinforcing and reducing the first magnetic field; and wherein the first device comprises a permanent magnet and the second device comprises at least one of one of a switchable magnet and switching windings.

Abstract translation: 一种用于从钻孔测量地层的性质的磁体组件，所述磁体组件包括第一装置和第二装置，每个装置适于插入到所述钻孔中，所述第一装置产生第一磁场，所述第二装置产生第二磁场 领域; 其中所述第二磁场可配置用于加强和减小所述第一磁场中的一个; 并且其中所述第一装置包括永磁体，并且所述第二装置包括可切换磁体和开关绕组中的至少一个。

公开(公告)号：EP3063368A4

公开(公告)日：2017-12-13

申请号：EP14858104

申请日：2014-10-27

Applicant: BAKER HUGHES INC

Inventor： EDWARDS CARL M

IPC: E21B47/002 ,  E21B47/01 ,  E21B49/00 ,  G01B9/02 ,  G01D5/26 ,  G01D5/34 ,  G01N21/01 ,  G01V11/00

CPC classification number: G01B9/02067 ,  E21B47/011 ,  E21B49/00 ,  G01B9/02052 ,  G01B9/02075 ,  G01B2290/25 ,  G01D5/266 ,  G01D5/34 ,  G01V11/00

Abstract: Methods, systems and devices for estimating a parameter of interest in a borehole. The method may include generating information from an optical displacement device relating to relative motion between two or more reflective surfaces thereof that is indicative of the parameter of interest; and preventing changes in the information resulting from changes at the optical displacement device in at least one of i) temperature, or ii) pressure, by compensating for the changes. Compensating may include adjusting at least one light source generating an electromagnetic beam at least partly received by the optical displacement device responsive to information relating to a control optical displacement device at the optical displacement device. Compensating may include using an optical displacement device and configuring the optical displacement device such that a difference between a first variable gap and a second variable gap is substantially zero while the apparatus is subject to nominal conditions.

公开(公告)号：EP2630452A4

公开(公告)日：2015-03-11

申请号：EP11834879

申请日：2011-10-13

Applicant: BAKER HUGHES INC

Inventor： LI LILONG ,  CHEN SONGHUA ,  EDWARDS CARL M ,  ONG J TIM

IPC: G01N24/08 ,  G01F1/716 ,  G01F1/74 ,  G01R33/44

CPC classification number: G01N24/081 ,  G01F1/716 ,  G01F1/74 ,  G01N24/082 ,  G01R33/445

Abstract: A method and apparatus for estimating a flow rate of a phase of a multiphase fluid is disclosed. In the first method, nuclei in the fluid are polarized over two distances and a measured magnetization gives the relative fraction of two components of the fluid for a selected velocity. In the second method, nuclei in the fluid are polarized over a specified distance and measurements of the decay of spin echo signals is used to give the relative fraction of two components of the fluid for the selected velocity.

公开(公告)号：EP1320769A4

公开(公告)日：2005-12-21

申请号：EP02737234

申请日：2002-05-29

Applicant: BAKER HUGHES INC

Inventor： EDWARDS CARL M ,  GEORGI DANIEL T

IPC: G01R33/383 ,  G01R33/44 ,  G01V3/32 ,  G01V3/00

CPC classification number: G01V3/32 ,  G01N24/081 ,  G01R33/383 ,  Y02A90/344

Abstract: Wireline NMR well logging measurements suffer from disadvantages of poor vertical resolution, logging speeds less than 20 ft/min, and power consumption in excess of 200 W. In spite of these disadvantages, NMR well logging is used because it is capable of providing estimates for a number of petrophysical parameters that are difficult to obtain from other wireline data. These include estimates of the bulk volume irreducible (BVI) of fluids in the formation. The present invention targets BVI and clay bound water (CBW) measurements. Logging speeds of up to 60 ft/min are attainable with little or no loss of resolution. In one preferred embodiment, the tool has four sensors circumferentially distributed around the logging tool and in contact with the borehole wall. A horseshoe like magnet is used to generate the static magnetic field. The magnet poles are designed such that the magnetic field is uniform perpendicular tool motion, as well as provide a sufficiently large extent of the static field to provide polarization for bound water in rock formations. The RF portion of the sensor is comprised of at least one coil configured for transmission of an RF magnetic field into rock formations and at least two coils configured to separately receive the NMR signal from the formation. In another embodiment a coil is wound around the pole pieces or the iron yoke for the purpose of field shifting to enable acquisition of phase-alternated measurements.

公开(公告)号：WO2012112887A2

公开(公告)日：2012-08-23

申请号：PCT/US2012025643

申请日：2012-02-17

Applicant: BAKER HUGHES INC ,  EDWARDS CARL M ,  CARR DUSTIN W ,  PATTERSON STEVEN R

Inventor： EDWARDS CARL M ,  CARR DUSTIN W ,  PATTERSON STEVEN R

IPC: G01V8/10 ,  G01V3/18

CPC classification number: G01V8/02

Abstract: An apparatus and method for estimating a parameter of interest using values of a beam property from two or more electromagnetic beams that both pass through at least part of an optical displacement device. The apparatus may include a Fabry-Perot interferometer, a collimated light source, and a detection array. At least one mirror of the interferometer may be operably coupled to an element receiving an external stimulus, such as pressure, force, and/or acceleration. The method includes using the apparatus.

Abstract translation: 一种装置和方法，用于使用来自两个或更多电磁束的光束性质的值来估计感兴趣参数，所述两个或更多个电磁束均通过光学位移装置的至少一部分。 该装置可以包括法布里 - 珀罗干涉仪，准直光源和检测阵列。 干涉仪的至少一个反射镜可以可操作地耦合到接收外部刺激（诸如压力，力和/或加速度）的元件。 该方法包括使用该设备。

公开(公告)号：WO2012054151A2

公开(公告)日：2012-04-26

申请号：PCT/US2011051497

申请日：2011-09-14

Applicant: BAKER HUGHES INC ,  LI LILONG ,  CHEN SONGHUA ,  EDWARDS CARL M ,  ONG JOO TIM

Inventor： LI LILONG ,  CHEN SONGHUA ,  EDWARDS CARL M ,  ONG JOO TIM

IPC: G01N24/08 ,  G01F1/56

CPC classification number: G01R33/56308 ,  G01N24/081 ,  G01N24/082 ,  G01R33/445 ,  G01R33/563 ,  G01V3/14

Abstract: A method and apparatus for estimating a flow rate of a phase of a multiphase fluid is disclosed. A first velocity distribution is obtained for a first set of nuclei in the fluid from a Nuclear Magnetic Resonance (NMR) signal received for the fluid in response to a first NMR excitation signal. A second velocity distribution is obtained for a second set of nuclei in the fluid from an NMR signal received for the fluid in response to a second NMR excitation signal. A velocity of the phase is estimated from the first velocity distribution and the second velocity distribution. The flow rate of the phase is estimated using the estimated velocity of the phase and an estimated volume fraction of the phase.

Abstract translation: 公开了一种用于估计多相流体的相的流量的方法和装置。 对于针对第一个NMR激发信号的流体接收的核磁共振（NMR）信号，对于流体中的第一组核获得第一速度分布。 从针对第二次NMR激发信号的流体接收到的NMR信号，获得流体中第二组核的第二速度分布。 从第一速度分布和第二速度分布估计相位的速度。 使用相的估计速度和相的估计体积分数来估计相的流速。