Ramakrishnan; Terizhandur S.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ramakrishnan; Terizhandur S..The latest application filed is for "autonomous optimization of single-well and multi-well gas lift".

Company Profile

21.81.80

Ramakrishnan; Terizhandur S. - Boxborough MA
RAMAKRISHNAN; Terizhandur S. - Cambridge MA
Ramakrishnan; Terizhandur S. - Bethel CT
- Boxborough MA US
Ramakrishnan; Terizhandur S. - Boxborogh MA

*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
Downhole characterization of formation pressure Grant 11,162,358 - Li , et al. November 2, 2	2021-11-02
Downhole characterization of formation pressure Grant 11,156,082 - Li , et al. October 26, 2	2021-10-26
Apparatus and methods for measuring the refractive index of a fluid Grant 11,085,877 - Sharma , et al. August 10, 2	2021-08-10
Autonomous Optimization Of Single-well And Multi-well Gas Lift App 20210198988 - Ramakrishnan; Terizhandur S. ; et al.	2021-07-01
Methods, Apparatus And Systems For Creating Wellbore Plugs For Abandoned Wells App 20210164322 - RAMAKRISHNAN; Terizhandur S. ; et al.	2021-06-03
Methods, Apparatus And Systems For Creating Bismuth Alloy Plugs For Abandoned Wells App 20210155841 - RAMAKRISHNAN; Terizhandur S. ; et al.	2021-05-27
Methods, Apparatus And Systems For Creating Wellbore Plugs For Abandoned Wells App 20210148190 - RAMAKRISHNAN; Terizhandur S. ; et al.	2021-05-20
Flow regime identification in formations using pressure derivative analysis with optimized window length Grant 10,941,646 - Li , et al. March 9, 2	2021-03-09
CO2 concentration measurement in dry gas mixtures Grant 10,942,144 - Perez , et al. March 9, 2	2021-03-09
Methods and apparatus for the downhole analysis of the composition of formation gases Grant 10,927,668 - Iyer , et al. February 23, 2	2021-02-23
Cross-well seismic monitoring of carbon dioxide injection Grant 10,876,395 - Altundas , et al. December 29, 2	2020-12-29
Methods for measurement of ultra-low permeability and porosity Grant 10,837,893 - Ramakrishnan , et al. November 17, 2	2020-11-17
Methods and systems for enhanced oil recovery employing nanofluids Grant 10,781,678 - Zhang , et al. Sept	2020-09-22
Synthetic fractured medium and method of fabrication Grant 10,705,069 - Ramakrishnan , et al.	2020-07-07
Methods for determining saturation parameters of a formation Grant 10,557,346 - Ramakrishnan Feb	2020-02-11
Method of valuation of geological asset or information relating thereto in the presence of uncertainties Grant 10,430,872 - Wilkinson , et al. O	2019-10-01
Methods For Measurement Of Ultra-low Permeability And Porosity App 20190250089 - Ramakrishnan; Terizhandur S. ; et al.	2019-08-15
Method for measurement of ultra-low permeability and porosity by accounting for adsorption Grant 10,365,202 - Ramakrishnan , et al. July 30, 2	2019-07-30
Methods of characterizing earth formations using physiochemical model Grant 10,329,903 - Ramakrishnan , et al.	2019-06-25
Apparatus and calibration method for measurement of ultra-low permeability and porosity Grant 10,288,517 - Ramakrishnan , et al.	2019-05-14
Methods for measurement of ultra-low permeability and porosity Grant 10,274,411 - Ramakrishnan , et al.	2019-04-30
Methods And Apparatus For The Downhole Analysis Of The Composition Of Formation Gases App 20190107523 - Iyer; Jaisree ; et al.	2019-04-11
Apparatus And Methods For Measuring The Refractive Index Of A Fluid App 20190079007 - Sharma; Richa ; et al.	2019-03-14
Fuel Cell Apparatus And Method For Downhole Power Systems App 20190071952 - Zhang; Wenlin ; et al.	2019-03-07
Flow Regime Identification In Formations Using Pressure Derivative Analysis With Optimized Window Length App 20190032474 - LI; Jiyao ; et al.	2019-01-31
Methods And Systems For Enhanced Oil Recovery Employing Nanofluids App 20190024487 - Zhang; Hua ; et al.	2019-01-24
Method For Real-time Interpretation Of Pressure Transient Test App 20190017352 - Chugunov; Nikita ; et al.	2019-01-17
Downhole Characterization Of Formation Pressure App 20180371903 - Li; Jiyao ; et al.	2018-12-27
Downhole Characterization Of Formation Pressure App 20180371902 - Li; Jiyao ; et al.	2018-12-27
Methods and systems for optimizing carbon dioxide sequestration operations Grant 10,156,321 - Verma , et al. Dec	2018-12-18
Methods and apparatus for the downhole analysis of the composition of formation gases Grant 10,151,738 - Iyer , et al. Dec	2018-12-11
Fuel cell apparatus and method for downhole power systems Grant 10,113,398 - Zhang , et al. October 30, 2	2018-10-30
Apparatus and methods for analysis of reservoir fluids Grant 10,101,255 - Altundas , et al. October 16, 2	2018-10-16
Co2 Concentration Measurement In Dry Gas Mixtures App 20180156751 - PEREZ; ALBERT ; et al.	2018-06-07
Cross-well Seismic Monitoring Of Carbon Dioxide Injection App 20180080313 - Altundas; Yusuf Bilgin ; et al.	2018-03-22
Methods And Systems For Pressurizing Harsh Fluids App 20180030968 - Verma; Sandeep ; et al.	2018-02-01
CO.sub.2 concentration measurement in dry gas mixtures Grant 9,804,117 - Perez , et al. October 31, 2	2017-10-31
Methods For Determining Saturation Parameters Of A Formation App 20170292377 - Ramakrishnan; Terizhandur S.	2017-10-12
Synthetic Fractured Medium And Method Of Fabrication App 20170269262 - Ramakrishnan; Terizhandur S. ; et al.	2017-09-21
Apparatus And Methods For Analysis Of Reservoir Fluids App 20170074096 - Altundas; Yusuf Bilgin ; et al.	2017-03-16
Model based inversion of seismic response for determining formation properties Grant 9,542,508 - Altundas , et al. January 10, 2	2017-01-10
Formation treatment evaluation Grant 9,534,481 - Ayan , et al. January 3, 2	2017-01-03
Method and apparatus for measuring carbon dioxide dissolved in solution and wellbore monitoring systems based thereon Grant 9,500,583 - Jiang , et al. November 22, 2	2016-11-22
Methods For Measurement Of Ultra-low Permeability And Porosity By Accounting For Adsorption App 20160334322 - Ramakrishnan; Terizhandur S. ; et al.	2016-11-17
Fuel Cell Apparatus And Method For Downhole Power Systems App 20160201436 - Zhang; Wenlin ; et al.	2016-07-14
Fluid minotiring and flow characterization Grant 9,371,710 - Ramakrishnan , et al. June 21, 2	2016-06-21
Methods And Apparatus For The Downhole Analysis Of The Composition Of Formation Gases App 20160161462 - Iyer; Jaisree ; et al.	2016-06-09
Methods For Adaptive Optimization Of Enhanced Oil Recovery Performance Under Uncertainty App 20160145977 - Chugunov; Nikita ; et al.	2016-05-26
Fuel cell apparatus and method for downhole power systems Grant 9,312,557 - Zhang , et al. April 12, 2	2016-04-12
Dual or twin-well completion with wettability alteration for segregated oil and water production Grant 9,291,046 - Ramakrishnan , et al. March 22, 2	2016-03-22
Methods Of Characterizing Earth Formations Using Physiochemical Model App 20160040531 - RAMAKRISHNAN; Terizhandur S. ; et al.	2016-02-11
System and method for secure downhole intelligent completions Grant 9,235,838 - Gerardi , et al. January 12, 2	2016-01-12
Methods For Measurement Of Ultra-low Permeability And Porosity App 20150293007 - RAMAKRISHNAN; TERIZHANDUR S. ; et al.	2015-10-15
Apparatus And Calibration Method For Measurement Of Ultra-low Permeability And Porosity App 20150293008 - RAMAKRISHNAN; TERIZHANDUR S. ; et al.	2015-10-15
Formation Treatment Evaluation App 20150267521 - Ayan; Cosan ; et al.	2015-09-24
System and Method for Quantifying Vug Porosity App 20150234069 - Ramakrishnan; Terizhandur S. ; et al.	2015-08-20
Formation treatment evaluation Grant 9,051,822 - Ayan , et al. June 9, 2	2015-06-09
Co2 Concentration Measurement In Dry Gas Mixtures App 20150047990 - PEREZ; ALBERT ; et al.	2015-02-19
Methods And Systems For Optimizing Carbon Dioxide Sequestration Operations App 20150004009 - VERMA; SANDEEP ; et al.	2015-01-01
Detection and quantification of isolation defects in cement Grant 08919438 -	2014-12-30
Detection and quantification of isolation defects in cement Grant 8,919,438 - Ramakrishnan , et al. December 30, 2	2014-12-30
Methods and systems for optimizing carbon dioxide sequestration operations Grant 8,874,382 - Verma , et al. October 28, 2	2014-10-28
Method and apparatus utilizing nuclear magnetic resonance measurements for estimating residual carbon dioxide saturation in aquifers Grant 8,862,407 - Chugunov , et al. October 14, 2	2014-10-14
Targeted Survey Design Under Uncertainty App 20140278110 - CHUGUNOV; NIKITA ; et al.	2014-09-18
Tool and method for determining formation parameter Grant 8,720,552 - Ayan , et al. May 13, 2	2014-05-13
Processing and interpretation of real-time data from downhole and surface sensors Grant 8,612,193 - Raghuraman , et al. December 17, 2	2013-12-17
Method Of Valuation Of Geological Asset Or Information Relating Thereto In The Presence Of Uncertainties App 20130304617 - WILKINSON; DAVID J. ; et al.	2013-11-14
Model Based Inversion Of Seismic Response For Determining Formation Properties App 20130297273 - Altundas; Yusuf ; et al.	2013-11-07
Method And Apparatus Utilizing Nuclear Magnetic Resonance Measurements For Estimating Residual Carbon Dioxide Saturation In Aquifers App 20130268202 - Chugunov; Nikita V. ; et al.	2013-10-10
Method for uncertainty quantification in the performance and risk assessment of a carbon dioxide storage site Grant 8,548,785 - Chugunov , et al. October 1, 2	2013-10-01
Method and apparatus utilizing nuclear magnetic resonance measurements for estimating residual carbon dioxide saturation in aquifiers Grant 8,452,539 - Chugunov , et al. May 28, 2	2013-05-28
Method For Measurement Screening Under Reservoir Uncertainty App 20130110483 - CHUGUNOV; NIKITA V. ; et al.	2013-05-02
Detection And Quantification Of Isolation Defects In Cement App 20130098604 - Ramakrishnan; Terizhandur S. ; et al.	2013-04-25
Dual Or Twin-well Completion With Wettability Alteration For Segregated Oil And Water Production App 20130025856 - Ramakrishnan; Terizhandur S. ; et al.	2013-01-31
Method And Apparatus For Measuring Carbon Dioxide Dissolved In Solution And Wellbore Monitoring Systems Based Thereon App 20120290208 - Jiang; Li ; et al.	2012-11-15
Fluid Minotiring And Flow Characterization App 20120273186 - RAMAKRISHNAN; TERIZHANDUR S. ; et al.	2012-11-01
Methods Of Calculating A Fluid Composition N A Wellbore App 20120273194 - VERMA; SANDEEP ; et al.	2012-11-01
Tool and method for determining formation parameter Grant 8,297,354 - Ayan , et al. October 30, 2	2012-10-30
Zero emission natural gas power and liquefaction plant Grant 8,276,380 - Ramakrishnan , et al. October 2, 2	2012-10-02
Fluid monitoring and flow characterization Grant 8,251,140 - Ramakrishnan , et al. August 28, 2	2012-08-28
Instrumented formation tester for injecting and monitoring of fluids Grant 8,191,416 - Kuchuk , et al. June 5, 2	2012-06-05
Systems and methods for downhole sequestration of carbon dioxide Grant 8,176,984 - Ramakrishnan , et al. May 15, 2	2012-05-15
Method And Apparatus Utilizing Nuclear Magnetic Resonance Measurements For Estimating Residual Carbon Dioxide Saturation In Aquifiers App 20120101730 - Chugunov; Nikita V. ; et al.	2012-04-26
Tool And Method For Determining Formation Parameter App 20120024523 - Ayan; Cosan ; et al.	2012-02-02
Pressure interference testing for estimating hydraulic isolation Grant 8,028,563 - Ramakrishnan , et al. October 4, 2	2011-10-04
Fluid Monitoring And Flow Characterization App 20110061863 - Ramakrishnan; Terizhandur S. ; et al.	2011-03-17
Method for improving the determination of earth formation properties Grant 7,886,591 - Ramakrishnan , et al. February 15, 2	2011-02-15
Method, Apparatus And System For Modeled Carbon Sequestration App 20100318337 - Bailey; William J. ; et al.	2010-12-16
Method For Uncertainty Quantifiation In The Performance And Risk Assessment Of A Carbon Dioxide Storage Site App 20100299126 - Chugunov; Nikita V. ; et al.	2010-11-25
Methods And Systems For Optimizing Carbon Dioxide Sequestration Operations App 20100287123 - Verma; Sandeep ; et al.	2010-11-11
Downhole separation of carbon dioxide from natural gas produced from natural gas reservoirs Grant 7,763,099 - Verma , et al. July 27, 2	2010-07-27
Method and tool for evaluating fluid dynamic properties of a cement annulus surrounding a casing Grant 7,753,118 - Ramakrishnan , et al. July 13, 2	2010-07-13
Tool and method for evaluating fluid dynamic properties of a cement annulus surrounding a casing Grant 7,753,117 - Ramakrishnan , et al. July 13, 2	2010-07-13
Methods for downhole sequestration of carbon dioxide Grant 7,726,402 - Ramakrishnan , et al. June 1, 2	2010-06-01
Instrumented Formation Tester For Injecting And Monitoring Of Fluids App 20100126717 - Kuchuk; Fikri ; et al.	2010-05-27
Systems And Methods For Downhole Sequestration Of Carbon Dioxide App 20100116511 - Ramakrishnan; Terizhandur S. ; et al.	2010-05-13
Method for continuous interpretation of monitoring data Grant 7,715,984 - Ramakrishnan , et al. May 11, 2	2010-05-11
Zero Emission Natural Gas Power And Liquefaction Plant App 20100000215 - Ramakrishnan; Terizhandur S. ; et al.	2010-01-07
Methods For Downhole Sequestration Of Carbon Dioxide App 20100000737 - Ramakrishnan; Terizhandur S. ; et al.	2010-01-07
Zero emission natural gas power and liquefaction plant Grant 7,607,303 - Ramakrishnan , et al. October 27, 2	2009-10-27
Tool And Method For Determining Formation Parameter App 20090255669 - Ayan; Cosan ; et al.	2009-10-15
Method And Tool For Evaluating Fluid Dynamic Properties Of A Cement Annulus Surrounding A Casing App 20090250209 - Ramakrishnan; Terizhandur S. ; et al.	2009-10-08
Tool And Method For Evaluating Fluid Dynamic Properties Of A Cement Annulus Surrounding A Casing App 20090250208 - Ramakrishnan; Terizhandur S. ; et al.	2009-10-08
Petrophysical interpretation of multipass array resistivity data obtained while drilling Grant 7,555,390 - Ramakrishnan June 30, 2	2009-06-30
Downhole Separation Of Carbon Dioxide From Natural Gas Produced From Natural Gas Reservoirs App 20090151559 - Verma; Sandeep ; et al.	2009-06-18
Targeted Measurements For Formation Evaluation And Reservoir Characterization App 20080314582 - Belani; Ashok ; et al.	2008-12-25
System And Method For Performing Oilfield Simulation Operations App 20080319726 - Berge; Johan Gerhard ; et al.	2008-12-25
Petrophysical Interpretation Of Multipass Array Resistivity Data Obtained While Drilling App 20080215242 - Ramakrishnan; Terizhandur S.	2008-09-04
Method For Improving The Determination Of Earth Formation Properties App 20080210420 - Ramakrishnan; Terizhandur S. ; et al.	2008-09-04
System And Method For Secure Downhole Intelligent Completions App 20080162357 - Gerardi; Paul D. ; et al.	2008-07-03
Zero Emission Natural Gas Power and Liquefaction Plant App 20080155958 - Ramakrishnan; Terizhandur S. ; et al.	2008-07-03
Method For Continuous Interpretation Of Monitoring Data App 20080065332 - Ramakrishnan; Terizhandur S. ; et al.	2008-03-13
Single probe downhole sampling apparatus and method Grant 7,263,881 - Ramakrishnan September 4, 2	2007-09-04
Permeability Determinations From Nuclear Magnetic Resonance Measurements App 20070132451 - Ramakrishnan; Terizhandur S.	2007-06-14
Permeability determinations from nuclear magnetic resonance measurements Grant 7,221,158 - Ramakrishnan May 22, 2	2007-05-22
Method for exploitation of gas hydrates Grant 7,165,621 - Ayoub , et al. January 23, 2	2007-01-23
Methods and apparatus for rapidly measuring pressure in earth formations Grant 7,152,466 - Ramakrishnan , et al. December 26, 2	2006-12-26
Fuel cell apparatus and method for downhole power systems App 20060257697 - Zhang; Wenlin ; et al.	2006-11-16
Formation fluid characterization using flowline viscosity and density data an oil-based mud environment Grant 7,134,500 - Ramakrishnan , et al. November 14, 2	2006-11-14
Methods and apparatus for the downhole characterization of formation fluids App 20060226699 - Betancourt; Soraya S. ; et al.	2006-10-12
Methods and apparatus for remote real time oil field management Grant 7,096,092 - Ramakrishnan , et al. August 22, 2	2006-08-22
Methods and apparatus for the downhole characterization of formation fluids Grant 7,081,615 - Betancourt , et al. July 25, 2	2006-07-25
Single probe downhole sampling apparatus and method App 20060117842 - Ramakrishnan; Terizhandur S.	2006-06-08
Apparatus and methods for canceling the effects of fluid storage in downhole tools Grant 7,013,723 - Ramakrishnan , et al. March 21, 2	2006-03-21
Downhole measurement apparatus and technique Grant 7,000,697 - Goode , et al. February 21, 2	2006-02-21
Method for exploitation of gas hydrates App 20060032637 - Ayoub; Joseph A. ; et al.	2006-02-16
Method for continuous interpretation of monitoring data App 20050270903 - Ramakrishnan, Terizhandur S. ; et al.	2005-12-08
Formation fluid characterization using flowline viscosity and density data an oil-based mud environment App 20050133261 - Ramakrishnan, Terizhandur S. ; et al.	2005-06-23
Downhole flow meter Grant 6,860,325 - Ramakrishnan , et al. March 1, 2	2005-03-01
Apparatus and methods for canceling the effects of fluid storage in downhole tools App 20040251021 - Ramakrishnan, Terizhandur S. ; et al.	2004-12-16
Oilfield analysis systems and methods Grant 6,829,570 - Thambynayagam , et al. December 7, 2	2004-12-07
Methods and apparatus for the downhole characterization of formation fluids App 20040104341 - Betancourt, Soraya S. ; et al.	2004-06-03
Methods and apparatus for rapidly measuring pressure in earth formations App 20040083805 - Ramakrishnan, Terizhandur S. ; et al.	2004-05-06
Downhole flow meter App 20040035577 - Ramakrishnan, Terizhandur S. ; et al.	2004-02-26
Processing and interpretation of real-time data from downhole and surface sensors App 20040010374 - Raghuraman, Bhavani ; et al.	2004-01-15
Well testing using multiple pressure measurements Grant 6,675,892 - Kuchuk , et al. January 13, 2	2004-01-13
Well testing using multiple pressure measurements App 20030213591 - Kuchuk, Fikri J. ; et al.	2003-11-20
Downhole flow meter Grant 6,629,564 - Ramakrishnan , et al. October 7, 2	2003-10-07
Downhole measurement apparatus and technique App 20030094282 - Goode, Peter A. ; et al.	2003-05-22
System for separately producing water and oil from a reservoir App 20020088618 - Ramakrishnan, Terizhandur S. ; et al.	2002-07-11
System and method for separately producing water and oil from a reservoir Grant 6,415,864 - Ramakrishnan , et al. July 9, 2	2002-07-09
Method for interpreting carbonate reservoirs Grant 6,088,656 - Ramakrishnan , et al. July 11, 2	2000-07-11
Method and apparatus for characterizing earth formation properties through joint pressure-resistivity inversion Grant 6,061,634 - Belani , et al. May 9, 2	2000-05-09
Method for estimating pore structure in carbonates from NMR measurements Grant 6,040,696 - Ramakrishnan , et al. March 21, 2	2000-03-21
Real time monitoring and control of downhole reservoirs Grant 5,992,519 - Ramakrishnan , et al. November 30, 1	1999-11-30

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