公开(公告)号：US3982176A

公开(公告)日：1976-09-21

申请号：US531562

申请日：1974-12-11

申请人： Richard A. Meador

发明人： Richard A. Meador

IPC分类号： G01V3/30 ,  G01V3/10 ,  G01V3/18

CPC分类号： G01V3/30

摘要： A well logging system is provided which simultaneously employs a conventional deep induction log and a radio frequency dielectric log to differentiate similar high resistivity fresh water and oil prospective zones. A 16 megahertz radio frequency dielectric induction logging system which is responsive to both conductivity and permittivity of the earth derives a signal primarily related to both of these properties. A conventional 20 kilohertz deep induction system is used to derive a signal which is primarily a function of conductivity alone. When combined in accordance with predetermined relationships according to the invention the two measurements can be used to find oil prospective zones.

摘要翻译： 提供测井系统，其同时采用传统的深感应测井和射频电介质测井，以区分类似的高电阻率的淡水和油前景区。 对地球的电导率和介电常数都有响应的16兆赫兹射频介电感应测井系统产生了与这两个特性相关的信号。 常规的20千赫深感应系统用于导出主要仅仅是导电性的函数的信号。 当根据本发明的预定关系组合时，可以使用两个测量来查找油前景区域。

公开(公告)号：US4451789A

公开(公告)日：1984-05-29

申请号：US306209

申请日：1981-09-28

申请人： Richard A. Meador

发明人： Richard A. Meador

IPC分类号： G01V3/30

CPC分类号： G01V3/30

摘要： A wireline logging system for measuring formation resistivity includes a longitudinal housing having three transmitters and three receivers arranged at measured distances on the housing, with about four feet between the outermost ends of the array. The transmitters are operated at three different frequencies, with each receiver receiving all three frequencies. The output of each receiver is the three received frequencies, which is amplified and fed to a mixer. A local oscillator frequency is also fed to each mixer. The output from each mixer of the three received frequencies mixed with a local frequency is passed through a filter to output one of the three received signals at a lower frequency. The frequency mix is arranged so that the output of each of the filters is at a common frequency. The filtered outputs from pairs of the filters are then passed to phase comparators and/or amplitude ratio determining devices to provide signals indicative of formation resistivity which are then passed to the surface on the wireline.

摘要翻译： 用于测量地层电阻率的电缆测井系统包括具有三个发射器和三个接收器的纵向壳体，三个发射器和三个接收器布置在壳体上的测量距离处，在阵列的最外端之间约四英尺。 发射机以三种不同的频率工作，每个接收机接收三个频率。 每个接收机的输出是三个接收的频率，其被放大并馈送到混频器。 本地振荡器频率也被馈送到每个混频器。 来自与本地频率混合的三个接收频率的每个混频器的输出通过滤波器以较低频率输出三个接收信号中的一个。 频率混合被布置成使得每个滤波器的输出处于共同的频率。 然后将滤波器对的滤波后的输出传递给相位比较器和/或幅度比确定装置，以提供指示地层电阻率的信号，然后将其传递到有线线路上的表面。

公开(公告)号：US4352288A

公开(公告)日：1982-10-05

申请号：US171766

申请日：1980-07-24

申请人： Hans J. Paap ,  Richard A. Meador ,  Dan M. Arnold

发明人： Hans J. Paap ,  Richard A. Meador ,  Dan M. Arnold

IPC分类号： G01N33/28 ,  G01R27/22 ,  G01N33/26

CPC分类号： G01R27/22 ,  G01N33/2835

摘要： The salt content of a fluid in a pipeline or container in petroleum producing or refining operations is determined by obtaining a measure of water cut of an oil-water-free gas fluid mixture. The conductivity of the fluid is measured by radio frequency (RF) induction techniques, while the density of the fluid is measured and related to the liquid phase fraction of the fluid using gamma radiation techniques. The conductivity and liquid phase fraction are then used to determine salt content of the liquid phase.

摘要翻译： 在石油生产或精炼操作中的管道或容器中的流体的盐含量通过获得无油水的气体流体混合物的水切割的量度来确定。 通过射频（RF）感应技术测量流体的电导率，而使用γ辐射技术测量流体的密度并与流体的液相分数相关。 然后使用电导率和液相分数来确定液相的盐含量。

公开(公告)号：US4019126A

公开(公告)日：1977-04-19

申请号：US459742

申请日：1974-04-10

申请人： Richard A. Meador

发明人： Richard A. Meador

IPC分类号： E21B47/026 ,  G01V3/28 ,  G01V3/08 ,  G01V3/18

CPC分类号： G01V3/28 ,  E21B47/026

摘要： A dipmeter in a well logging tool includes conventional type circuitry which senses the angle of inclination of the logging tool and an azimuth angle. The dipmeter also includes a non-conventional type bed detection sub-system. The bed detection sub-system includes at least three radio frequency oscillators having their coils mounted on pads of the logging tool. As the logging tool moves through the borehole, the electrical current passing through the coils on the pads causes lines of flux to circulate through the earth formation. Eddy currents are developed for each group of fluxlines created by a coil. As the earth formation changes, the eddy current changes accordingly causing a grid current in the oscillator to change. Portion of the grid currents are transmitted uphole and are recorded so that the interface between the types of earth's formation may be recorded with its relationship to the particular borehole and thus used to determine the dip of different earth formation beds.

摘要翻译： 在测井工具中的一个测流计包括常规的类型电路，其感测测井工具的倾斜角度和方位角。 该测流计还包括非常规型床检测子系统。 床检测子系统包括至少三个射频振荡器，其具有安装在测井工具的焊盘上的线圈。 当测井工具通过钻孔移动时，通过垫上的线圈的电流使得线束通过地层循环。 对于由线圈产生的每组磁通线，开发涡流。 随着地层变化，涡流变化相应地导致振荡器中的电网电流发生变化。 电网电流的一部分在井下传播并被记录，使得地球形成类型之间的界面可以与其与特定钻孔的关系记录下来，从而用于确定不同地层的倾角。

公开(公告)号：US4009434A

公开(公告)日：1977-02-22

申请号：US530798

申请日：1974-12-09

申请人： Philip F. McKinlay ,  Richard A. Meador

发明人： Philip F. McKinlay ,  Richard A. Meador

IPC分类号： G01V3/30 ,  G01V3/10 ,  G01V3/18

CPC分类号： G01V3/30

摘要： Radio frequency electromagnetic fields are used to excite earth formations in the vicinity of a well borehole. The total field amplitude at a single coil receiver and at a dual coil receiver are detected and signals representative thereof are combined according to a predetermined relationship to obtain the relative permittivity and resistivity of the earth formations. By combining the measured permittivity with porosity measurements from another source according to predetermined relationships, the water saturation S.sub.w and residual oil saturation ROS may be determined and logged as a function of borehole depth.

摘要翻译： 射频电磁场用于激发井眼附近的地层。 检测单线圈接收器和双线圈接收器处的总场振幅，并根据预定关系组合表示其的信号，以获得地层的相对介电常数和电阻率。 通过将测量的介电常数与根据预定关系的另一来源的孔隙率测量结合，可以根据钻孔深度确定和记录水饱和度Sw和残余油饱和度ROS。

公开(公告)号：US5672971A

公开(公告)日：1997-09-30

申请号：US412178

申请日：1995-03-28

申请人： Richard A. Meador ,  James Edward Meisner ,  Ronald Anthony Hall ,  Larry Wayne Thompson ,  Edward Sheldon Mumby

发明人： Richard A. Meador ,  James Edward Meisner ,  Ronald Anthony Hall ,  Larry Wayne Thompson ,  Edward Sheldon Mumby

IPC分类号： G01V3/28 ,  G01V3/30

CPC分类号： G01V3/28 ,  G01V3/30

摘要： The present invention is directed to an improved logging apparatus. The logging apparatus includes transmitters, receivers, and a controller member. The controller member is utilized to selectively energize the transmitters to generate an interrogation signal. The receivers are utilized to obtain measurements of the interrogation signal. The controller member can be utilized to substantially simultaneously process the recorded samples--such as by mathematically combining a plurality of measurements in order to obtain a measure of an attribute value which relates to at least one of the wellbore and surrounding formation.

摘要翻译： 本发明涉及一种改进的测井装置。 测井装置包括发射器，接收器和控制器构件。 控制器构件用于选择性地激励发射器以产生询问信号。 接收机用于获得询问信号的测量。 控制器构件可以用于基本上同时处理所记录的样本 - 例如通过数学上组合多个测量以便获得与井眼和周围地层中的至少一个相关的属性值的度量。

公开(公告)号：US4605268A

公开(公告)日：1986-08-12

申请号：US439797

申请日：1982-11-08

申请人： Richard A. Meador

发明人： Richard A. Meador

IPC分类号： E21B17/02 ,  E21B47/12 ,  H01F38/14

CPC分类号： H01F38/14 ,  E21B17/028 ,  E21B47/122

摘要： Connectors for electrically coupling conductors wherein the connection is effected by current coupling are disclosed. Each connector includes a toroidal coil and a housing member. The connection is accomplished by aligning the toroidal coils generally parallel and closing the housing members to provide a generally toroidal conductive path enclosing the paired coils. Cable segments extending along tubular members may end in electrical connectors at both ends of the tubular members so that a pipe string may be assembled to include a sequence of cable segments interconnected by current coupling transformers.

摘要翻译： 公开了用于电连接导体的连接器，其中通过电流耦合来实现连接。 每个连接器包括环形线圈和壳体构件。 该连接是通过将环形线圈大致平行并且闭合壳体构件来实现的，以提供围绕成对线圈的大致环形导电路径。 沿着管状构件延伸的电缆段可以在管状构件的两端处以电连接器结束，使得管柱可以组装成包括通过电流耦合变压器互连的一系列电缆段。

公开(公告)号：US4514693A

公开(公告)日：1985-04-30

申请号：US85613

申请日：1979-10-17

申请人： Richard A. Meador

发明人： Richard A. Meador

IPC分类号： G01V3/28 ,  H01F15/04

CPC分类号： G01V3/28

摘要： Transmitting and receiving coils for radio frequency (RF) dielectric well logging are shielded in copper enclosures to substantially remove unwanted electrostatic or capacitive signals introduced by the conductive fluids in the well bore.

摘要翻译： 用于射频（RF）电介质测井的发射和接收线圈在铜外壳中屏蔽，以基本上去除井眼中导电流体引入的不需要的静电或电容信号。

公开(公告)号：US4625173A

公开(公告)日：1986-11-25

申请号：US595251

申请日：1984-03-30

申请人： MacMillan M. Wisler ,  James R. Birchak ,  Richard A. Meador

发明人： MacMillan M. Wisler ,  James R. Birchak ,  Richard A. Meador

IPC分类号： G01V3/08 ,  G01V3/00

CPC分类号： G01V3/082

摘要： An electrode insulated from and mounted to the outside of a drill collar in a drill string positioned in a borehole is used for measuring formation spontaneous potential. A current measuring device, such as an ammeter, is connected through a varible ammeter resistor and a switch between the electrode and the drill collar. The ammeter measures current flow from the formation along the walls of the borehole to the drill string to determine the spontaneous potential of the formation at various points along the borehole while it is being drilled. The switch in the ammeter circuit is interrupted at a pre-selected rate and the ammeter current signal is connected through a lock-in amplifier to cancel random noise in the signal and produce an accurate measurement of the very small currents flowing between the electrode and the drill collar. The currents are indicative of spontaneous potentials in the formation. The value of the ammeter resistor is varied and the frequency of closure of the switch is swept over a pre-selected range to measure the time constant of the polarization of the formation along the borehole.

摘要翻译： 用于测量地层自发电位的绝缘并安装在位于钻孔中的钻柱中的钻铤的外部的电极。 诸如电流表的电流测量装置通过可变电流表电阻器和电极和钻铤之间的开关连接。 电流表测量沿着钻孔壁的地层流向钻柱的电流，以确定在钻孔时沿着钻孔的各个点处的地层的自发电位。 电流表电路中的开关以预选速率中断，电流表电流信号通过锁定放大器连接，以消除信号中的随机噪声，并对电极和电极之间流动的非常小的电流进行精确测量 钻铤 电流指示地层中的自发电位。 电流表电阻的值变化，并且开关的闭合频率在预选范围内扫过，以测量地层沿钻孔的极化的时间常数。

公开(公告)号：US4458524A

公开(公告)日：1984-07-10

申请号：US335304

申请日：1981-12-28

申请人： Richard A. Meador ,  Hans J. Paap

发明人： Richard A. Meador ,  Hans J. Paap

IPC分类号： G01N27/22 ,  G01N33/28 ,  G01N33/22

CPC分类号： G01N27/221 ,  G01N33/2823

摘要： A crude oil production stream analyzer includes a device which measures the dielectric constant of the crude oil production stream and provides a signal corresponding thereto. A densitometer provides a density signal representative of the density of the crude oil production stream. At least one constituent of the crude oil production stream is determined in accordance with the dielectric constant signal and the density signal and the temperature of the crude oil production stream which is sensed by a temperature sensor.

摘要翻译： 原油生产流分析仪包括测量原油生产流的介电常数并提供与其对应的信号的装置。 密度计提供表示原油生产流的密度的密度信号。 根据由温度传感器感测的原油生产流的介电常数信号和密度信号和温度来确定原油生产流的至少一个成分。