Matches 1 - 9 out of 9


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US20110298460 Method For Detection Of Signal Source Using Estimation Of Noise Statistics  
A method for noise signal analysis and communication with an underground transmitter. The method comprises the steps of measuring a noise floor when no signal is transmitted from a transmitter,...
US20060186887 Method for identifying subsurface features from marine transient controlled source electromagnetic surveys  
A method for identifying features in the Earth's subsurface below a body of water using transient controlled source electromagnetic measurements includes acquiring a plurality of transient...
US20150048834 TOWABLE TRANSIENT ELECTROMAGNETIC SURVEY DEVICE  
A towable transient electromagnetic survey device for connection to a land, water based or an airborne towing vehicle is provided. The towable transient electromagnetic survey device includes a...
US20100097065 Method and apparatus for while-drilling transient resistivity measurements  
Structure for deep MWD resistivity measurements suitable for both geo-steering and measurements ahead of the drill bit is disclosed. The structure is capable of extracting information about...
US20090243616 MULTI-COMPONENT MARINE ELECTROMAGNETIC SIGNAL ACQUISITION METHOD  
A method for determining a component of electric field response of the Earth's subsurface to a time-varying electromagnetic field induced in the Earth's subsurface is provided. The method includes...
US20150137818 METHODS OF TRANSIENT EM DATA COMPRESSION  
A system and method to compress transient signals are described. The system includes a transmitter disposed in a borehole to change a transmitted current and induce a current in an earth...
US20160041295 SYSTEMS AND METHODS FOR ACTIVE CANCELLATION OF TRANSIENT SIGNALS AND DYNAMIC LOOP CONFIGURATION  
A method and system for active cancellation of transient signals and dynamic loop configuration for geophysical exploration is disclosed. The method includes controlling a transmitter to transmit...
US20150285938 METHOD AND SYSTEM FOR BROADBAND MEASUREMENTS USING MULTIPLE ELECTROMAGNETIC RECEIVERS  
An electromagnetic (EM) receiver system for measuring EM signals. The EM receiver system includes a frame; a first EM receiver attached to the frame and configured to measure the EM signals within...
US20130154650 METHOD AND APPARATUS TO DETECT A CONDUCTIVE BODY  
Various embodiments include apparatus and methods to detect and locate conductive bodies and/or provide steam-assisted gravity drainage (SAGD) steering operation. Tools can be configured with...
Matches 1 - 9 out of 9