Assignee
KJT ENTPR INC
US·22 granted patents·2 pending applications·803 citations·filing 2001–2010
Top patents by PatentIndex Score
24 records- 0198US7203599B1Method for acquiring transient electromagnetic survey dataKJT ENTPR INC·Filed 2006·Granted Apr 10, 2007·103 cites·22 claims
- 0296US7705599B2Buoy-based marine electromagnetic signal acquisition systemKJT ENTPR INC·Filed 2007·Granted Apr 27, 2010·72 cites·21 claims
- 0396US7328107B2Integrated earth formation evaluation method using controlled source electromagnetic survey data and seismic dataKJT ENTPR INC·Filed 2006·Granted Feb 5, 2008·55 cites·23 claims
- 0496US6739165B1Combined surface and wellbore electromagnetic measurement system and method for determining formation fluid propertiesKJT ENTPR INC·Filed 2003·Granted May 25, 2004·124 cites·47 claims
- 0594US7340348B2Method for acquiring and interpreting seismoelectric and electroseismic dataKJT ENTPR INC·Filed 2006·Granted Mar 4, 2008·56 cites·37 claims
- 0693US6541975B2Integrated borehole system for reservoir detection and monitoringKJT ENTPR INC·Filed 2001·Granted Apr 1, 2003·80 cites·23 claims
- 0789US6670813B2Integrated borehole system for reservoir detection and monitoringKJT ENTPR INC·Filed 2003·Granted Dec 30, 2003·57 cites·8 claims
- 0887US7800374B2Multi-component marine electromagnetic signal acquisition cable and systemKJT ENTPR INC·Filed 2010·Granted Sep 21, 2010·7 cites·28 claims
- 0981US7272503B2Method and apparatus for measuring formation conductivities from within cased wellbores by combined measurement of casing current leakage and electromagnetic responseKJT ENTPR INC·Filed 2006·Granted Sep 18, 2007·15 cites·21 claims
- 1079US6952101B2Method for determining direction to a target formation from a wellbore by analyzing multi-component electromagnetic induction signalsKJT ENTPR INC·Filed 2003·Granted Oct 4, 2005·46 cites·7 claims
- 1178US7202671B2Method and apparatus for measuring formation conductivities from within cased wellbores by combined measurement of casing current leakage and electromagnetic responseKJT ENTPR INC·Filed 2004·Granted Apr 10, 2007·34 cites·30 claims
- 1276US7574410B2Fast 3D inversion of electromagnetic survey data using a trained neural network in the forward modeling branchKJT ENTPR INC·Filed 2006·Granted Aug 11, 2009·13 cites·28 claims
- 1376US6891376B2Method for attenuating conductive sonde mandrel effects in an electromagnetic induction well logging apparatusKJT ENTPR INC·Filed 2003·Granted May 10, 2005·39 cites·28 claims
- 1475US7388382B2System for measuring Earth formation resistivity through an electrically conductive wellbore casingKJT ENTPR INC·Filed 2004·Granted Jun 17, 2008·35 cites·30 claims
- 1575US7356411B1Method for acquiring and interpreting transient electromagnetic measurementsKJT ENTPR INC·Filed 2006·Granted Apr 8, 2008·13 cites·30 claims
- 1675US7034538B2Method for measuring earth formation resistivity through an electrically conductive wellbore casingKJT ENTPR INC·Filed 2005·Granted Apr 25, 2006·11 cites·18 claims
- 1766US7872477B2Multi-component marine electromagnetic signal acquisition cable and systemKJT ENTPR INC·Filed 2007·Granted Jan 18, 2011·6 cites·27 claims
- 1864US8026723B2Multi-component marine electromagnetic signal acquisition methodKJT ENTPR INC·Filed 2009·Granted Sep 27, 2011·7 cites·8 claims
- 1964US7746077B2Method for measuring the magnetotelluric response to the earth's subsurfaceKJT ENTPR INC·Filed 2007·Granted Jun 29, 2010·5 cites·5 claims
- 2064US6975121B2System for measuring earth formation resistivity through and electrically conductive wellbore casingKJT ENTPR INC·Filed 2004·Granted Dec 13, 2005·19 cites·50 claims
- 2158US7474101B2Method for combined transient and frequency domain electromagnetic measurementsKJT ENTPR INC·Filed 2006·Granted Jan 6, 2009·4 cites·17 claims
- 2238US2009265111A1Signal processing method for marine electromagnetic signalsKJT ENTPR INC·Filed 2008·Application pending·0 cites
- 2338US2008183391A1Method for Acquiring and Interpreting Transient Electromagnetic MeasurementsKJT ENTPR INC·Filed 2008·Application pending·0 cites
- 2421US7088097B2Method for fitting a sum of exponentials to experimental data by linearization using a numerical integration approximation, and its application to well log dataKJT ENTPR INC·Filed 2004·Granted Aug 8, 2006·2 cites·20 claims
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