Patents Assigned to Well Resolutions Technology
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Publication number: 20180203152Abstract: 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.Type: ApplicationFiled: March 13, 2018Publication date: July 19, 2018Applicant: WELL RESOLUTIONS TECHNOLOGYInventor: Tsili Wang
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Patent number: 9952347Abstract: 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.Type: GrantFiled: September 6, 2017Date of Patent: April 24, 2018Assignee: Well Resolutions TechnologyInventor: Tsili Wang
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Publication number: 20180074219Abstract: 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.Type: ApplicationFiled: September 9, 2017Publication date: March 15, 2018Applicant: WELL RESOLUTIONS TECHNOLOGYInventor: Tsili Wang
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Publication number: 20180024266Abstract: 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.Type: ApplicationFiled: March 22, 2017Publication date: January 25, 2018Applicant: WELL RESOLUTIONS TECHNOLOGYInventors: Tsili Wang, Borislav J. Tchakarov
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Publication number: 20170371063Abstract: 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.Type: ApplicationFiled: September 6, 2017Publication date: December 28, 2017Applicant: WELL RESOLUTIONS TECHNOLOGYInventor: Tsili Wang
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Patent number: 9851465Abstract: A tool for communicating data between multiple locations downhole includes a tool body, a first antenna including at least one electrode disposed within a wall and electrically insulated from the tool body, and an electronic circuit configured to generate an encoded electrical signal and propagate the encoded signal through the electrode into a medium surrounding the tool, and a second antenna coupled to the tool body, and an electronic circuit configured to receive an electrical signal induced by the second antenna.Type: GrantFiled: June 18, 2014Date of Patent: December 26, 2017Assignee: Well Resolutions TechnologyInventors: Tsili Wang, Borislav J. Tchakarov
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Patent number: 9767153Abstract: A method of data binning includes the steps of partitioning a circumference of a tool face into M number of sectors, defining each data point relating to resistivity information by a fidelity function g(?), assigning to each data point a weight for each of the M number of sectors, wherein the weight is associated with an integral of the fidelity function g(?) over the sector, and computing an average of the data points weighted by their respective weights for each of the M sectors.Type: GrantFiled: March 22, 2017Date of Patent: September 19, 2017Assignee: Well Resolutions TechnologyInventor: Tsili Wang
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Publication number: 20170191364Abstract: 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.Type: ApplicationFiled: March 22, 2017Publication date: July 6, 2017Applicant: WELL RESOLUTIONS TECHNOLOGYInventors: Tsili Wang, Borislav J. Tchakarov
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Publication number: 20170193050Abstract: A method of data binning includes the steps of partitioning a circumference of a tool face into M number of sectors, defining each data point relating to resistivity information by a fidelity function g(?), assigning to each data point a weight for each of the M number of sectors, wherein the weight is associated with an integral of the fidelity function g(?) over the sector, and computing an average of the data points weighted by their respective weights for each of the M sectors.Type: ApplicationFiled: March 22, 2017Publication date: July 6, 2017Applicant: WELL RESOLUTIONS TECHNOLOGYInventor: Tsili Wang
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Patent number: 9645276Abstract: 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.Type: GrantFiled: January 12, 2016Date of Patent: May 9, 2017Assignee: Well Resolutions TechnologyInventor: Tsili Wang
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Patent number: 9638819Abstract: A modular resistivity sensor disposable in a drillstring having a drill bit on a distal end for drilling a wellbore in a formation, includes a sensor body having a longitudinal axis radially offset from a longitudinal axis of the drillstring, one or more transmitting coil antennas disposed along a length of the sensor body, one or more receiving coil antennas disposed along a length of the sensor body, and a calibrating device configured to calibrate signals generated from the receiving coil antennas.Type: GrantFiled: June 17, 2014Date of Patent: May 2, 2017Assignee: Well Resolutions TechnologyInventors: Tsili Wang, Borislav J. Tchakarov
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Patent number: 9575201Abstract: 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.Type: GrantFiled: April 11, 2014Date of Patent: February 21, 2017Assignee: Well Resolutions TechnologyInventor: Tsili Wang
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Patent number: 9359889Abstract: A bottom hole assembly attached to a drillstring includes a main body including multiple electrical insulator sections along a length thereof, each of the electrical insulator sections configured to have a voltage difference generated there across, wherein a transmitting electrical insulator section having a voltage difference generated there across is configured to remain open, and wherein all remaining electrical insulator sections are configured to be electrically shorted there across.Type: GrantFiled: October 17, 2013Date of Patent: June 7, 2016Assignee: Well Resolutions TechnologyInventors: Tsili Wang, Bruce Carter
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Publication number: 20160124107Abstract: 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.Type: ApplicationFiled: January 12, 2016Publication date: May 5, 2016Applicant: Well Resolutions TechnologyInventor: Tsili WANG
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Patent number: 9268053Abstract: 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.Type: GrantFiled: June 12, 2014Date of Patent: February 23, 2016Assignee: Well Resolutions TechnologyInventor: Tsili Wang
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Publication number: 20150362615Abstract: 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.Type: ApplicationFiled: June 12, 2015Publication date: December 17, 2015Applicant: WELL RESOLUTIONS TECHNOLOGYInventors: Lianhe Guo, Tsili Wang, Bruce Carter
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Publication number: 20150293254Abstract: 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.Type: ApplicationFiled: April 11, 2014Publication date: October 15, 2015Applicant: Well Resolutions TechnologyInventor: Tsili WANG
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Publication number: 20150107900Abstract: A bottom hole assembly attached to a drillstring includes a main body including multiple electrical insulator sections along a length thereof, each of the electrical insulator sections configured to have a voltage difference generated there across, wherein a transmitting electrical insulator section having a voltage difference generated there across is configured to remain open, and wherein all remaining electrical insulator sections are configured to be electrically shorted there across.Type: ApplicationFiled: October 17, 2013Publication date: April 23, 2015Applicant: Well Resolutions TechnologyInventors: Tsili WANG, Bruce CARTER