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1. 发明授权

US11466565B2 Modular resistivity sensor for downhole measurement while drilling 有权
公开(公告)号：US11466565B2
公开(公告)日：2022-10-11
申请号：US16421738
申请日：2019-05-24
申请人： Well Resolutions Technology
发明人： Tsili Wang , Borislav J. Tchakarov
IPC分类号： E21B49/00 , E21B47/12 , G01V3/28 , E21B47/13 , E21B47/017 , G01V3/00 , E21B47/024
摘要： A resistivity-measuring sensor disposable within a drillstring includes a sensor body having a longitudinal axis, wherein the sensor body is separable from and disposable in the drillstring at a radially offset distance from the longitudinal axis of the drillstring. The sensor further includes a transmitting antenna disposed along a length of the sensor body, a receiving antenna disposed along a length of the sensor body, and an electronics section contained within the sensor body for generating and receiving signals to and from the transmitting and receiving antennas.

2. 发明申请

US20210262344A9 MODULAR RESISTIVITY SENSOR FOR DOWNHOLE MEASUREMENT WHILE DRILLING 有权
公开(公告)号：US20210262344A9
公开(公告)日：2021-08-26
申请号：US16421738
申请日：2019-05-24
申请人： Well Resolutions Technology
发明人： Tsili Wang , Borislav J. Tchakarov
IPC分类号： E21B49/00 , E21B47/024 , E21B47/12 , G01V3/00 , G01V3/28 , E21B47/01
摘要： A resistivity-measuring sensor disposable within a drillstring includes a sensor body having a longitudinal axis, wherein the sensor body is separable from and disposable in the drillstring at a radially offset distance from the longitudinal axis of the drillstring. The sensor further includes a transmitting antenna disposed along a length of the sensor body, a receiving antenna disposed along a length of the sensor body, and an electronics section contained within the sensor body for generating and receiving signals to and from the transmitting and receiving antennas.

3. 发明授权

US10365391B2 Apparatus and methods for making azimuthal resistivity measurements with off-set directional antennas 有权
公开(公告)号：US10365391B2
公开(公告)日：2019-07-30
申请号：US15700093
申请日：2017-09-09
申请人： WELL RESOLUTIONS TECHNOLOGY
发明人： Tsili Wang
IPC分类号： G01V3/12 , G01V3/30 , G01V3/28 , G01V3/26
摘要： A resistivity measuring tool used in a drillstring having a drill bit on a distal end for drilling a wellbore in a formation includes a tool body having a longitudinal axis, a pair of transmitter antennas having magnetic moments parallel to the longitudinal axis of the tool body, and a pair of receiver antennas radially spaced from the longitudinal axis of the tool body and having transverse magnetic moment components pointed in opposite directions, wherein at least one of the receiver antennas has a transverse magnetic moment angled with respect to a component normal to the longitudinal axis of the tool body.

4. 发明授权

US09645276B2 Apparatus and methods for making azimuthal resistivity measurements 有权
公开(公告)号：US09645276B2
公开(公告)日：2017-05-09
申请号：US14993165
申请日：2016-01-12
申请人： Well Resolutions Technology
发明人： Tsili Wang
IPC分类号： G01V3/28 , G01V3/30 , G01V3/12 , G01V3/26
CPC分类号： G01V3/30 , G01V3/12 , G01V3/26 , G01V3/28 , G01V3/34 , G06F17/30486 , G06F17/3053
摘要： A resistivity measuring tool used in a drillstring having a drill bit on a distal end for drilling a wellbore in a formation includes a tool body having a longitudinal axis, a sensor configured to measure the angular position of the tool body relative to the wellbore, at least one axial antenna including a wire winding for generating an axial magnetic moment parallel with the longitudinal axis, and at least one transverse antenna. The transverse antenna includes an antenna body disposed within a pocket extending radially inward from an outer surface of the tool body and one or more turns of wire wound around the antenna body, the wire winding generating a transverse magnetic moment orthogonal to the longitudinal axis.

5. 发明授权

US11098572B2 Boundary tracking control module for rotary steerable systems 有权
公开(公告)号：US11098572B2
公开(公告)日：2021-08-24
申请号：US16790384
申请日：2020-02-13
申请人： WELL RESOLUTIONS TECHNOLOGY
发明人： Borislav J. Tchakarov , Tsili Wang
IPC分类号： E21B44/00 , G01V3/28 , G01V3/30 , E21B7/06 , E21B47/024 , E21B47/09 , G01V3/12 , G06F16/2455 , G06F16/2457 , G01V3/26 , G01V3/34 , E21B49/00 , E21B17/10
摘要： A rotary steerable bottom hole assembly includes a drill bit disposed at a distal end thereof, and azimuthal resistivity antennas and electronics configured to measure a distance to a formation boundary.

6. 发明授权

US10591635B2 Apparatus and methods for communicating with a downhole tool 有权
公开(公告)号：US10591635B2
公开(公告)日：2020-03-17
申请号：US14738071
申请日：2015-06-12
申请人： WELL RESOLUTIONS TECHNOLOGY
发明人： Lianhe Guo , Tsili Wang , Bruce Carter
IPC分类号： E21B47/12 , G01V11/00
摘要： An apparatus for communicating with a downhole tool includes a sensor body including at least two electrodes electrically insulated from one another and an external control device configured to engage the two electrodes. Detection circuitry connected to the two electrodes is configured to monitor an electrical status across the two electrodes, through the external control device, and upon detecting a change in electrical status that matches a predefined pattern, communicate a command to power management circuitry to alter a power status of the downhole tool.

7. 发明申请

US20180203152A1 APPARATUS AND METHODS FOR MAKING AZIMUTHAL RESISTIVITY MEASUREMENTS 审中-公开
公开(公告)号：US20180203152A1
公开(公告)日：2018-07-19
申请号：US15920034
申请日：2018-03-13
申请人： WELL RESOLUTIONS TECHNOLOGY
发明人： Tsili Wang
IPC分类号： G01V3/30 , G01V3/26 , G01V3/12 , G01V3/28
CPC分类号： E21B44/005 , E21B7/062 , E21B17/1078 , E21B47/024 , E21B47/09 , E21B49/00 , G01V3/12 , G01V3/26 , G01V3/28 , G01V3/30 , G01V3/34 , G06F17/30486 , G06F17/3053
摘要： A resistivity measuring tool used in a drillstring having a drill bit on a distal end for drilling a wellbore in a formation includes a tool body having a longitudinal axis, a transmitting antenna, and a receiving antenna. The receiving antenna includes an antenna body having a longer axis disposed longitudinally in the tool body, and a wire coil having a central axis disposed around the antenna body, wherein the wire coil central axis is substantially perpendicular to the longer axis of the antenna body, and wherein the wire coil is configured to generate a magnetic moment orthogonal to the tool body longitudinal axis. The transmitting antenna is configured to transmit electromagnetic energy into the formation and induce a voltage signal related to a parameter of the formation in the receiving antenna.

8. 发明申请

US20170371063A1 APPARATUS AND METHODS FOR MAKING AZIMUTHAL RESISTIVITY MEASUREMENTS 有权
公开(公告)号：US20170371063A1
公开(公告)日：2017-12-28
申请号：US15696543
申请日：2017-09-06
申请人： WELL RESOLUTIONS TECHNOLOGY
发明人： Tsili Wang
IPC分类号： G01V3/30 , G01V3/12 , G01V3/26 , G01V3/28
CPC分类号： G01V3/30 , G01V3/12 , G01V3/26 , G01V3/28 , G01V3/34 , G06F17/30486 , G06F17/3053
摘要： A resistivity measuring tool used in a drillstring having a drill bit on a distal end for drilling a wellbore in a formation includes a tool body having a longitudinal axis, a sensor configured to measure the angular position of the tool body relative to the wellbore, at least one axial antenna including a wire winding for generating an axial magnetic moment parallel with the longitudinal axis, and at least one transverse antenna. The transverse antenna includes an antenna body disposed within a pocket extending radially inward from an outer surface of the tool body and one or more turns of wire wound around the antenna body, the wire winding generating a transverse magnetic moment orthogonal to the longitudinal axis.

9. 发明申请

US20170191364A1 Modular Resistivity Sensor for Downhole Measurement While Drilling 审中-公开
公开(公告)号：US20170191364A1
公开(公告)日：2017-07-06
申请号：US15466337
申请日：2017-03-22
申请人： WELL RESOLUTIONS TECHNOLOGY
发明人： Tsili Wang , Borislav J. Tchakarov
IPC分类号： E21B49/00 , E21B47/12 , E21B47/024 , G01V3/28
CPC分类号： E21B49/003 , E21B47/011 , E21B47/024 , E21B47/12 , E21B47/122 , G01V3/00 , G01V3/28
摘要： A resistivity-measuring sensor disposable within a drillstring includes a sensor body having a longitudinal axis, wherein the sensor body is separable from and disposable in the drillstring at a radially offset distance from the longitudinal axis of the drillstring. The sensor further includes a transmitting antenna disposed along a length of the sensor body, a receiving antenna disposed along a length of the sensor body, and an electronics section contained within the sensor body for generating and receiving signals to and from the transmitting and receiving antennas.

10. 发明授权

US09575201B2 Apparatus and method for downhole resistivity measurements 有权
标题翻译：井下电阻率测量的装置和方法
公开(公告)号：US09575201B2
公开(公告)日：2017-02-21
申请号：US14251388
申请日：2014-04-11
申请人： Well Resolutions Technology
发明人： Tsili Wang
IPC分类号： G01V3/00 , G01V3/26 , E21B49/00 , E21B47/12 , G01V3/28
CPC分类号： G01V3/26 , E21B47/122 , E21B49/00 , G01V3/28
摘要： A downhole tool includes a body having a longitudinal axis and bore therethrough, an array of longitudinal electrode segments separated by electrical insulators, wherein substantially an entire cross section of said body comprises at least one electrode segment, at least one longitudinal electrode configured to emit a first electrical current into said formation and measure said first emitted current, at least one longitudinal electrode segment configured to emit a second electrical current for directing said first emitted current into said formation, and at least one longitudinal electrode segment configured to receive said first emitted current returning from said formation.
摘要翻译：井下工具包括具有纵向轴线和穿过其中的孔的主体，由电绝缘体分开的纵向电极段阵列，其中所述主体的基本上整个横截面包括至少一个电极段，至少一个纵向电极，被配置为发射第一电流进入所述地层并测量所述第一发射电流，至少一个纵向电极段被配置为发射第二电流，用于将所述第一发射电流引导到所述地层中;以及至少一个纵向电极段，被配置为接收所述第一发射电流从所述地层返回。

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