Mandal; Batakrishna

Patent Applications and Registrations

Patent applications and USPTO patent grants for Mandal; Batakrishna.The latest application filed is for "detection and quantification of sand flows in a borehole".

Company Profile

10.67.65

Mandal; Batakrishna - Missouri City TX
Mandal; Batakrishna - Sugar Land TX
Mandal; Batakrishna - Missouri TX
Mandal; Batakrishna - Fort Bend TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Determining characteristics of a fluid in a wellbore Grant 11,352,880 - Rodney , et al. June 7, 2	2022-06-07
Ultrasonic transducers with piezoelectric material embedded in backing Grant 11,117,166 - Jin , et al. September 14, 2	2021-09-14
Systems and methods for sand flow detection and quantification Grant 10,989,047 - Granville , et al. April 27, 2	2021-04-27
Acoustic method and apparatus for cement bond evaluation through tubing Grant 10,920,569 - Mandal February 16, 2	2021-02-16
Detection And Quantification Of Sand Flows In A Borehole App 20200355838 - VENNA; Atchyuta Ramayya ; et al.	2020-11-12
Systems And Methods For Sand Flow Detection And Quantification App 20200355070 - GRANVILLE; John Philip ; et al.	2020-11-12
Locating a downhole tool in a wellbore Grant 10,711,593 - Gao , et al.	2020-07-14
Downhole fluid detection using surface waves Grant 10,677,048 - Roberson , et al.	2020-06-09
Determining Characteristics of a Fluid in a Wellbore App 20200149396 - Rodney; Paul F. ; et al.	2020-05-14
Acoustic Method and Apparatus for Cement Bond Evaluation Through Tubing App 20200116007 - Mandal; Batakrishna	2020-04-16
Determining characteristics of a fluid in a wellbore Grant 10,570,734 - Rodney , et al. Feb	2020-02-25
Real-time adaptive minimum phase wavelet generation for downhole tools Grant 10,502,854 - Mandal , et al. Dec	2019-12-10
In-situ borehole fluid speed and attenuation measurement in an ultrasonic scanning tool Grant 10,436,020 - Mandal O	2019-10-08
Bender bar transducer having stacked encapsulated actuators Grant 10,439,127 - Fripp , et al. O	2019-10-08
Measuring frequency-dependent acoustic attenuation Grant 10,408,052 - Mandal , et al. Sept	2019-09-10
Dynamic gain system with azimuthal averaging for downhole logging tools Grant 10,379,246 - Lie , et al. A	2019-08-13
Acoustic calipering and analysis of annulus materials Grant 10,352,152 - Mandal July 16, 2	2019-07-16
Apparatus and methods for monitoring the retrieval of a well tool Grant 10,323,508 - Coles , et al.	2019-06-18
Bender bar modal shaping Grant 10,280,744 - Fripp , et al.	2019-05-07
Methods for evaluating cement bonding Grant 10,280,733 - Mandal , et al.	2019-05-07
Casing and cement evaluation tool with reduced transmitter ringing Grant 10,273,797 - Li , et al.	2019-04-30
Acoustic Imaging For Wellbore Investigation App 20190101663 - Walters; Darren P. ; et al.	2019-04-04
Validation of cased-hole acoustic tools Grant 10,241,086 - Jimenez , et al.	2019-03-26
Peak tracking and rejection in acoustic logs Grant 10,209,384 - Goodyear , et al. Feb	2019-02-19
Method and system for direct slowness determination of dispersive waves in a wellbore environment Grant 10,175,375 - Mukhopadhyay , et al. J	2019-01-08
Peak Tracking And Rejection In Acoustic Logs App 20180038980 - Goodyear; Grant Philip ; et al.	2018-02-08
Ultrasonic Transducers with Piezoelectric Material Embedded in Backing App 20180021815 - Jin; Jing ; et al.	2018-01-25
Pulse generation for downhole logging Grant 9,869,173 - Li , et al. January 16, 2	2018-01-16
Downhole Fluid Detection Using Surface Waves App 20180003036 - Roberson; Mark W. ; et al.	2018-01-04
Determining Characteristics of a Fluid in a Wellbore App 20170328201 - Rodney; Paul F. ; et al.	2017-11-16
In-situ Borehole Fluid Speed And Attenuation Measurement In An Ultrasonic Scanning Tool App 20170306752 - Mandal; Batakrishna	2017-10-26
Pulse Generation For Downhole Logging App 20170292364 - LI; Peng ; et al.	2017-10-12
Sourceless density determination apparatus, methods, and systems Grant 9,753,170 - Mandal , et al. September 5, 2	2017-09-05
Use of micro-electro-mechanical systems (MEMS) in well treatments Grant 9,732,584 - Roddy , et al. August 15, 2	2017-08-15
Mud settlement detection technique by non-destructive ultrasonic measurements Grant 9,719,965 - Mandal , et al. August 1, 2	2017-08-01
Determining locations of acoustic sources around a borehole Grant 9,714,566 - Mandal July 25, 2	2017-07-25
Real-time Adaptive Minimum Phase Wavelet Generation For Downhole Tools App 20170205524 - MANDAL; Batakrishna ; et al.	2017-07-20
Acoustic Calipering And Analysis Of Annulus Materials App 20170199295 - Mandal; Batakrishna	2017-07-13
Dynamic Gain System With Azimuthal Averaging For Downhole Logging Tools App 20170184750 - Lie; Joni Polili ; et al.	2017-06-29
Measuring Frequency-dependent Acoustic Attenuation App 20170183961 - Mandal; Batakrishna ; et al.	2017-06-29
Casing And Cement Evaluation Tool With Reduced Transmitter Ringing App 20170175514 - Li; Peng ; et al.	2017-06-22
Acoustic transducer apparatus, systems, and methods Grant 9,664,034 - Mandal May 30, 2	2017-05-30
Ultrasonic imaging in wells or tubulars Grant 9,645,269 - Mandal , et al. May 9, 2	2017-05-09
Methods For Evaluating Cement Bonding App 20170114627 - Mandal; Batakrishna ; et al.	2017-04-27
Acoustic velocity measurements using tilted transducers Grant 9,631,480 - Cooper , et al. April 25, 2	2017-04-25
Method And System For Direct Slowness Determination Of Dispersive Waves In A Wellbore Environment App 20170102475 - Mukhopadhyay; Pradip Kumar ; et al.	2017-04-13
Locating A Downhole Tool In A Wellbore App 20170096891 - Gao; Li ; et al.	2017-04-06
Mud Settlement Detection Technique By Non-destructive Ultrasonic Measurements App 20170038339 - MANDAL; Batakrishna ; et al.	2017-02-09
Method of controlled pulse driving of a stacked PZT bender bar for dipole acoustic radiation Grant 9,541,657 - Mandal , et al. January 10, 2	2017-01-10
Acoustic monitoring of well structures Grant 9,523,273 - Mandal December 20, 2	2016-12-20
Bender Bar Modal Shaping App 20160273351 - FRIPP; Michael L. ; et al.	2016-09-22
Determining Locations Of Acoustic Sources Around A Borehole App 20160258281 - MANDAL; Batakrishna	2016-09-08
Validation of Cased-Hole Acoustic Tools App 20160238562 - Jimenez; Walmy Cuello ; et al.	2016-08-18
Acoustic signal processing using model-based adaptive filtering Grant 9,354,342 - Mandal May 31, 2	2016-05-31
Bender Bar Transducer Having Stacked Encapsulated Actuators App 20160072040 - FRIPP; MICHAEL L. ; et al.	2016-03-10
Apparatus And Methods For Monitoring The Retrieval Of A Well Tool App 20160003033 - COLES; Randolph S. ; et al.	2016-01-07
Sourceless Density Determination Apparatus, Methods, And Systems App 20150378040 - Mandal; Batakrishna	2015-12-31
Measurement Transformation Apparatus, Methods, And Systems App 20150142320 - Wu; Dagang ; et al.	2015-05-21
Method And System For Direct Slowness Determination Of Dispersive Waves In A Wellbore Environment App 20150123665 - Mukhopadhyay; Pradip Kumar ; et al.	2015-05-07
Acoustic Monitoring Of Well Structures App 20150085611 - Mandal; Batakrishna	2015-03-26
Acoustic Source Apparatus, Systems, And Methods App 20150083518 - Bonavides; Clovis ; et al.	2015-03-26
Acoustic Transducer Apparatus, Systems, And Methods App 20140301164 - Mandal; Batakrishna	2014-10-09
Ultrasonic Imaging In Wells Or Tubulars App 20140071790 - Mandal; Batakrishna ; et al.	2014-03-13
Acoustic Signal Processing Using Model-based Adaptive Filtering App 20140005946 - Mandal; Batakrishna	2014-01-02
Ultrasonic imaging in wells or tubulars Grant 8,576,660 - Mandal , et al. November 5, 2	2013-11-05
Method of Controlled Pulse Driving of a Stacked PZT Bender Bar for Dipole Acoustic Radiation App 20130163387 - Mandal; Batakrishna ; et al.	2013-06-27
Monoconductor data-power transmission Grant 8,339,276 - Mandal , et al. December 25, 2	2012-12-25
Use of micro-electro-mechanical systems (MEMS) in well treatments Grant 8,316,936 - Roddy , et al. November 27, 2	2012-11-27
Use of micro-electro-mechanical systems (MEMS) in well treatments Grant 8,302,686 - Roddy , et al. November 6, 2	2012-11-06
Use of micro-electro-mechanical systems (MEMS) in well treatments Grant 8,291,975 - Roddy , et al. October 23, 2	2012-10-23
Programmable data acquisition for tubular objects Grant 8,270,250 - Bonavides , et al. September 18, 2	2012-09-18
Acoustic Velocity Measurements Using Tilted Transducers App 20120182831 - Cooper; Paul ; et al.	2012-07-19
Use of micro-electro-mechanical systems (MEMS) in well treatments Grant 8,162,050 - Roddy , et al. April 24, 2	2012-04-24
Acoustic logging-while-drilling tools having a hexapole source configuration and associated logging methods Grant 8,125,848 - Geerits , et al. February 28, 2	2012-02-28
Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments App 20110199228 - RODDY; Craig W. ; et al.	2011-08-18
Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments App 20110192597 - RODDY; Craig W. ; et al.	2011-08-11
Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments App 20110192593 - RODDY; Craig W. ; et al.	2011-08-11
Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments App 20110192592 - RODDY; Craig W. ; et al.	2011-08-11
Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments App 20110187556 - RODDY; Craig W. ; et al.	2011-08-04
Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments App 20110186290 - RODDY; Craig W. ; et al.	2011-08-04
Method and apparatus to create a down-hole video log to transmit down-hole video data Grant 7,705,878 - Mandal , et al. April 27, 2	2010-04-27
Monoconductor Data-power Transmission App 20100073189 - Mandal; Batakrishna ; et al.	2010-03-25
Ultrasonic Imaging In Wells Or Tubulars App 20100061183 - MANDAL; Batakrishna ; et al.	2010-03-11
Method and apparatus for generating acoustic signals with a single mode of propagation Grant 7,675,814 - Mandal March 9, 2	2010-03-09
Attenuation mapping apparatus, systems, and methods Grant 7,660,195 - Mandal , et al. February 9, 2	2010-02-09
Ultrasonic imaging in wells or tubulars Grant 7,656,747 - Mandal , et al. February 2, 2	2010-02-02
Method and Apparatus for Generating Acoustic Signals with a Single Mode of Propagation App 20090073806 - Mandal; Batakrishna	2009-03-19
Adaptive equalization of downhole acoustic receivers Grant 7,392,135 - Varsamis , et al. June 24, 2	2008-06-24
Logging a well Grant 7,350,568 - Mandal , et al. April 1, 2	2008-04-01
Adaptive equalization of downhole acoustic receivers App 20070156359 - Varsamis; Georgios L. ; et al.	2007-07-05
Programmable data acquisition for tubular objects App 20070152054 - Bonavides; Clovis ; et al.	2007-07-05
Ultrasonic Imaging In Wells Or Tubulars App 20070019506 - Mandal; Batakrishna ; et al.	2007-01-25
Acoustic logging tool having quadrupole source Grant 7,099,810 - Mandal August 29, 2	2006-08-29
Logging a well App 20060175057 - Mandal; Batakrishna ; et al.	2006-08-10
Acoustic signal processing method using array coherency Grant 7,089,119 - Mandal August 8, 2	2006-08-08
Method and apparatus for generating acoustic signal with single mode of propagation App 20060062082 - Mandal; Batakrishna	2006-03-23
Attenuation mapping apparatus, systems, and methods App 20060039238 - Mandal; Batakrishna ; et al.	2006-02-23
Acoustic caliper with transducer array for improved off-center performance App 20050259512 - Mandal, Batakrishna	2005-11-24
Self-calibrated ultrasonic method of in-situ measurement of borehole fluid acoustic properties Grant 6,957,700 - Mandal October 25, 2	2005-10-25
Acoustic signal processing method using array coherency App 20050180261 - Mandal, Batakrishna	2005-08-18
Acoustic signal processing method using array coherency Grant 6,907,349 - Mandal June 14, 2	2005-06-14
Acoustic signal processing method using array coherency App 20040199331 - Mandal, Batakrishna	2004-10-07
Self-calibrated ultrasonic method of in-situ measurement of borehole fluid acoustic App 20040128072 - Mandal, Batakrishna	2004-07-01
Acoustic signal processing method using array coherency Grant 6,748,329 - Mandal June 8, 2	2004-06-08
Self-calibrated ultrasonic method of in-situ measurement of borehole fluid acoustic properties Grant 6,712,138 - Mandal March 30, 2	2004-03-30
Method and apparatus to create a down-hole video log to transmit down-hole video data App 20040004660 - Mandal, Batakrishna ; et al.	2004-01-08
Acoustic logging tool having programmable source waveforms Grant 6,661,737 - Wisniewski , et al. December 9, 2	2003-12-09
Acoustic logging tool having programmable source waveforms App 20030123326 - Wisniewski, Laurence ; et al.	2003-07-03
Self-calibrated ultrasonic method of in-situ measurement of borehole fluid acoustic properties App 20030029241 - Mandal, Batakrishna	2003-02-13
Acoustic logging tool having quadrapole source App 20030002388 - Mandal, Batakrishna	2003-01-02
Acoustic signal processing method using array coherency App 20020093879 - Mandal, Batakrishna	2002-07-18
System and method for providing dual distance transducers to image behind an acoustically reflective layer Grant 6,125,079 - Birchak , et al. September 26, 2	2000-09-26
Dipole/monopole acoustic transmitter, methods for making and using same in down hole tools Grant 6,102,152 - Masino , et al. August 15, 2	2000-08-15
Method to determine self-calibrated circumferential cased bond impedance Grant 6,041,861 - Mandal , et al. March 28, 2	2000-03-28
Acoustic method of connecting boreholes for multi-lateral completion Grant 6,026,913 - Mandal , et al. February 22, 2	2000-02-22
Transducer configuration having a multiple viewing position feature Grant 6,021,093 - Birchak , et al. February 1, 2	2000-02-01
Sensor configuration for nulling reverberations to image behind reflective layers Grant 6,002,639 - Birchak , et al. December 14, 1	1999-12-14
System and method for processing acoustic signals to image behind reflective layers Grant 5,995,447 - Mandal , et al. November 30, 1	1999-11-30
Rotating multi-parameter bond tool Grant 5,763,773 - Birchak , et al. June 9, 1	1998-06-09
Acoustic logging while drilling tool to determine bed boundaries Grant 5,678,643 - Robbins , et al. October 21, 1	1997-10-21

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