| Patent | Date |
|---|
Electromagnetic assessment of multiple conductive tubulars
Grant 10,324,218 - Nichols , et al. | 2019-06-18 |
System and method for elevated source to borehole electromagnetic survey
Grant 10,024,995 - Kramer , et al. July 17, 2 | 2018-07-17 |
Measurement compensation using multiple electromagnetic transmitters
Grant 10,012,753 - Nichols , et al. July 3, 2 | 2018-07-03 |
Remote field testing using a permeable core
Grant 9,746,309 - Nichols August 29, 2 | 2017-08-29 |
Deconvolution Of Electromagnetic Thickness Measurement
App 20170176630 - David; Martin ; et al. | 2017-06-22 |
Analyzing subterranean formation with current source vectors
Grant 9,625,604 - Cuevas , et al. April 18, 2 | 2017-04-18 |
Methods and apparatus to detect fluid distributions
Grant 9,587,485 - Jannin , et al. March 7, 2 | 2017-03-07 |
Systems and methods for electromagnetic detection of a formation anomaly from a near bit location while drilling
Grant 9,377,556 - Alumbaugh , et al. June 28, 2 | 2016-06-28 |
Measurement Compensation Using Multiple Electromagnetic Transmitters
App 20160070018 - Nichols; Edward ; et al. | 2016-03-10 |
Electromagnetic Assessment of Multiple Conductive Tubulars
App 20150338541 - Nichols; Edward ; et al. | 2015-11-26 |
Methods and Apparatus to Detect Fluid Distributions
App 20150233234 - Jannin; Gaelle ; et al. | 2015-08-20 |
Remote Field Testing Using A Permeable Core
App 20150204648 - Nichols; Edward | 2015-07-23 |
Electromagnetic survey using naturally occurring electromagnetic fields as a source
Grant 8,947,093 - Alumbaugh , et al. February 3, 2 | 2015-02-03 |
Method and apparatus to automatically recover well geometry from low frequency electromagnetic signal measurements
Grant 8,731,987 - Chen , et al. May 20, 2 | 2014-05-20 |
Analyzing Subterranean Formation With Current Source Vectors
App 20140132272 - Cuevas; Nestor ; et al. | 2014-05-15 |
Electromagnetic logging between borehole and surface
Grant 8,638,103 - Rosthal , et al. January 28, 2 | 2014-01-28 |
Method and system for providing registration coverage in a telecommunications network
Grant 8,400,981 - Hobson , et al. March 19, 2 | 2013-03-19 |
Characterizing at least one property of a liner that lines a well
Grant 8,326,539 - Morrison , et al. December 4, 2 | 2012-12-04 |
Deriving an electromagnetic field in one direction based on measurement data of one or more sensing elements for measuring an electromagnetic field in another direction
Grant 8,289,025 - Nichols , et al. October 16, 2 | 2012-10-16 |
Marine Source To Borehole Electromagnetic Mapping Of Sub-Bottom Electrical Resistivity
App 20120130641 - Morrison; H. Frank ; et al. | 2012-05-24 |
Time synchronization in units at different locations
Grant 8,181,057 - Nichols , et al. May 15, 2 | 2012-05-15 |
Insulating Or Modified Conductivity Casing In Casing String
App 20110315378 - HOMAN; DEAN M. ; et al. | 2011-12-29 |
Processing measurement data that involves computing a derivative of the measurement data that represents a subterranean structure
Grant 8,010,291 - Chen , et al. August 30, 2 | 2011-08-30 |
Surveying using vertical electromagnetic sources that are towed along with survey receivers
Grant 8,008,921 - Alumbaugh , et al. August 30, 2 | 2011-08-30 |
Method and system for removing effects of conductive casings and wellbore and surface heterogeneity in electromagnetic imaging surveys
Grant 7,991,553 - Alumbaugh , et al. August 2, 2 | 2011-08-02 |
Processing measurement data in a deep water application
Grant 7,949,470 - Alumbaugh , et al. May 24, 2 | 2011-05-24 |
Subsurface conductivity imaging systems and methods
Grant 7,928,732 - Nichols April 19, 2 | 2011-04-19 |
Surveying method using an arrangement of plural signal sources
Grant 7,880,469 - Alumbaugh , et al. February 1, 2 | 2011-02-01 |
Electromagnetic Survey Using Naturally Occurring Electromagnetic Fields as a Source
App 20110001482 - Alumbaugh; David ; et al. | 2011-01-06 |
Deriving An Electromagnetic Field In One Direction Based On Measurement Data Of One Or More Sensing Elements For Measuring An Electromagnetic Field In Another Direction
App 20100321024 - Nichols; Edward ; et al. | 2010-12-23 |
Determining Correction Factors Representing Effects of Different Portions of a Lining Structure
App 20100308832 - Clark; Brian ; et al. | 2010-12-09 |
Methods of electromagnetic logging using a current focusing receiver
Grant 7,826,972 - Babour , et al. November 2, 2 | 2010-11-02 |
Resistivity tool with selectable depths of investigation
Grant 7,825,664 - Homan , et al. November 2, 2 | 2010-11-02 |
Methods for electromagnetic measurements and correction of non-ideal receiver responses
Grant 7,822,553 - Besson , et al. October 26, 2 | 2010-10-26 |
Electromagnetic Logging Between Borehole And Surface
App 20100259267 - Rosthal; Richard ; et al. | 2010-10-14 |
Method for correcting magnetic based orientation measurements for local biasing fields
Grant 7,800,373 - Cuevas , et al. September 21, 2 | 2010-09-21 |
Systems And Methods For Electromagnetic Detection Of A Formation Anomaly From A Near Bit Location While Drilling
App 20100231220 - Alumbaugh; David ; et al. | 2010-09-16 |
Determining correction factors representing effects of different portions of a lining structure
Grant 7,795,872 - Clark , et al. September 14, 2 | 2010-09-14 |
System And Method For Elevated Source To Borehole Electromagnetic Survey
App 20100225322 - Kramer; Garrett ; et al. | 2010-09-09 |
Processing Measurement Data That Involves Computing A Derivative Of The Measurement Data That Represents A Subterranean Structure
App 20100121579 - CHEN; JIUPING ; et al. | 2010-05-13 |
Surveying Method Using An Arrangement Of Plural Signal Sources
App 20100102821 - ALUMBAUGH; DAVID L. ; et al. | 2010-04-29 |
Surveying method using an arrangement of plural signal sources
Grant 7,659,724 - Alumbaugh , et al. February 9, 2 | 2010-02-09 |
Surveying Using Vertical Electromagnetic Sources That Are Towed Along With Survey Receivers
App 20100013485 - Alumbaugh; David L. ; et al. | 2010-01-21 |
Receivers and methods for electromagnetic measurements
Grant 7,633,296 - Safinya , et al. December 15, 2 | 2009-12-15 |
Characterizing at Least One Property of a Liner that Lines a Well
App 20090281731 - Morrison; Frank ; et al. | 2009-11-12 |
Time Synchronization In Units At Different Locations
App 20090217074 - Nichols; Edward ; et al. | 2009-08-27 |
Method and system for removing effects of conductive casings and wellbore and surface heterogeneity in electromagnetic imaging surveys
Grant 7,565,244 - Alumbaugh , et al. July 21, 2 | 2009-07-21 |
Method And System For Removing Effects Of Conductive Casings And Wellbore And Surface Heterogeneity In Electromagnetic Imaging Surveys
App 20090157316 - Alumbaugh; David ; et al. | 2009-06-18 |
Processing Measurement Data in a Deep Water Application
App 20090132166 - Alumbaugh; David ; et al. | 2009-05-21 |
Method For Correcting Magnetic Based Orientation Measurements For Local Biasing Fields
App 20090128138 - Cuevas; Nestor ; et al. | 2009-05-21 |
Determining correction factors representing effects of different portions of a lining structure
App 20090091328 - Clark; Brian ; et al. | 2009-04-09 |
Method and System for Removing Effects of Conductive Casings and Wellbore and Surface Heterogeneity in Electromagnetic Imaging Surveys
App 20090005992 - Alumbaugh; David ; et al. | 2009-01-01 |
Methods for Electromagnetic Measurements and Correction of Non-Ideal Receiver Responses
App 20090001985 - Besson; Christian ; et al. | 2009-01-01 |
Systems And Methods For Calibrating An Electromagnetic Receiver
App 20090001986 - Besson; Christian ; et al. | 2009-01-01 |
Method and Apparatus to Automatically Recover Well Geometry from Low Frequency Electromagnetic Signal Measurements
App 20080281667 - Chen; Jiuping ; et al. | 2008-11-13 |
Surveying Method Using an Arrangement of Plural Signal Sources
App 20080239875 - Alumbaugh; David L. ; et al. | 2008-10-02 |
Methods of Electromagnetic Logging Using a Current Focusing Receiver
App 20080238428 - Babour; Kamal ; et al. | 2008-10-02 |
Receivers and Methods for Electromagnetic Measurements
App 20080238429 - Safinya; Kambiz ; et al. | 2008-10-02 |
Remotely operable measurement system and method employing same
Grant 7,295,013 - Conti , et al. November 13, 2 | 2007-11-13 |
Resistivity Tool with Selectable Depths of Investigation
App 20070137854 - Homan; Dean ; et al. | 2007-06-21 |
Remotely Operable Measurement System And Method Employing Same
App 20060226842 - Conti; Ugo ; et al. | 2006-10-12 |
Subsurface conductivity imaging systems and methods
Grant 7,023,213 - Nichols April 4, 2 | 2006-04-04 |
Subsurface conductivity imaging systems and methods
App 20050134278 - Nichols, Edward | 2005-06-23 |
Marine electromagnetic measurement system
Grant 6,842,006 - Conti , et al. January 11, 2 | 2005-01-11 |
Subsurface conductivity imaging systems and methods
App 20040108854 - Nichols, Edward | 2004-06-10 |
Marine electromagnetic measurement system
App 20040000912 - Conti, Ugo ; et al. | 2004-01-01 |
Sensor for detecting the magnetic field in the area of downhole casing
Grant 6,597,178 - Nichols , et al. July 22, 2 | 2003-07-22 |
Permanently emplaced electromagnetic system and method for measuring formation resistivity adjacent to and between wells
Grant 6,534,986 - Nichols March 18, 2 | 2003-03-18 |
Method and apparatus for the measurement of the electrical resistivity of geologic formations employing modeling data
Grant 6,393,363 - Wilt , et al. May 21, 2 | 2002-05-21 |
Permanently emplaced electromagnetic system and method for measuring formation resistivity adjacent to and between wells
App 20020000808 - Nichols, Edward | 2002-01-03 |
Electromagnetic induction method and apparatus for the measurement of the electrical resistivity of geologic formations surrounding boreholes cased with a conductive liner
Grant 6,294,917 - Nichols September 25, 2 | 2001-09-25 |
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