E21B 47 - Survey of boreholes or wells

Patents for E21B 47 - Survey of boreholes or wells (31,352)
03/2011
03/16/2011	EP2294283A2 Wellbore instrument module having magnetic clamp for use in cased wellbores
03/16/2011	CN201765477U Pressure monitoring system with soft switching machine
03/16/2011	CN201763327U Digital acoustic logger
03/16/2011	CN201763323U Split temperature sensor pressing cap
03/16/2011	CN201763322U Optical fiber-type pressure and temperature sensor
03/16/2011	CN201763321U Drift azimuth logging instrument
03/16/2011	CN201763320U Fiber optic gyroscope inclinometer with absolute-type photoelectric encoder
03/16/2011	CN201763319U Damping and fixing device of measuring cylinder while drilling
03/16/2011	CN201763318U Wireless centering fishing head while drilling
03/16/2011	CN201763317U Oil well liquid level tester connector
03/16/2011	CN201763316U Micro-ball well logger
03/16/2011	CN201763315U Borehole trajectory remote real-time tracking system
03/16/2011	CN201763314U Automatic liquid level metering device for oil well
03/16/2011	CN201763313U Calibrating device for pulsed neutron logging tool
03/16/2011	CN201763312U Logging bridle with vibrating releasing function
03/16/2011	CN201763294U Inclining type spray preventing device for oil well test
03/16/2011	CN201763238U Mine driller
03/16/2011	CN201763236U Drilling machine for mine
03/16/2011	CN201763235U Reciprocation drilling machine for mine
03/16/2011	CN101985876A Magnetic source generator
03/16/2011	CN101985874A Detection recording instrument for flashboard blowout preventer
03/16/2011	CN101514627B Remote monitoring system for oil well pressure by capillary steel pipes
03/16/2011	CN101514624B Embedded oilwell parameter real-time acquisition system
03/15/2011	US7905282 Latchable carrier assembly for pipe conveyed well logging
03/15/2011	US7905281 Method for determining the size of tubular pipe to be inserted in a borehole
03/15/2011	CA2714801A1 Directional setting tool and associated methods
03/15/2011	CA2605883C Positioning and conveying well apparatus and method
03/15/2011	CA2554254C System and method for measurements of depth and velocity of instrumentation within a wellbore
03/15/2011	CA2522993C Well string assembly
03/15/2011	CA2463112C In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well
03/15/2011	CA2462805C Forming openings in a hydrocarbon containing formation using magnetic tracking
03/15/2011	CA2441537C Mitigating risk by using fracture mapping to alter formation fracturing process
03/10/2011	WO2011029026A1 Scale-up device for testing bit balling characteristics
03/10/2011	WO2011028625A2 System and method for communicating data between wellbore instruments and surface devices
03/10/2011	WO2011028573A2 Reduced wear position indicating subterranean tool
03/10/2011	WO2011028530A2 Sourceless gamma ray production system and methods
03/10/2011	WO2011028375A2 Fiber optic inner string position sensor system
03/10/2011	WO2011027121A1 Wellbore servicing compositions and methods of making and using same
03/10/2011	WO2011008469A3 The use of solid crystals as continuous light pipes to funnel light into pmt window
03/10/2011	WO2010144700A3 Method and apparatus for high resolution sound speed measurements
03/10/2011	WO2010126998A3 Method for determining wettability of an oil reservoir
03/10/2011	US20110060472 Methods and Apparatuses for Optimizing Wells
03/10/2011	US20110057647 Apparatus Detecting Relative Body Movement
03/10/2011	US20110056697 Method and system for the extinction of an underwater well for the extraction of hydrocarbons under uncontrolled fluid discharge conditions
03/10/2011	US20110056681 Method and apparatus for performing wireline logging operations in an under-balanced well
03/10/2011	US20110056680 Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations
03/10/2011	US20110056679 System and method for controlling actuation of downhole tools
03/10/2011	US20110056288 Position indicating multiplexed control system for downhole well tools
03/10/2011	CA2772761A1 Scale-up device for testing bit balling characteristics
03/09/2011	EP2291688A1 Flow line electric impedance generation
03/09/2011	CN201756958U Fishing type pipe testing device
03/09/2011	CN201756957U Controller of well measuring winch
03/08/2011	US7901555 Electro-chemical sensor
03/08/2011	US7900968 Electrical isolation connector for electromagnetic gap sub
03/08/2011	US7900700 Method and system for cleat characterization in coal bed methane wells for completion optimization
03/08/2011	US7900699 Method and apparatus for logging a well using a fiber optic line and sensors
03/08/2011	CA2463412C Hybrid piezoelectric and magnetostrictive actuator
03/08/2011	CA2416216C Well-log presentation, software and method thereof
03/03/2011	WO2011025498A1 Apparatus and method for measuring stress in a subterranean formation
03/03/2011	WO2011023934A2 Sonically activating settable compositions and methods of activating them
03/03/2011	WO2010144546A3 Method of determining parameters of a layered reservoir
03/03/2011	WO2010144538A3 Drill bit with weight and torque sensors
03/03/2011	WO2010141282A3 System and method for estimating velocity of a downhole component
03/03/2011	WO2010138701A3 Updating a reservoir model using oriented core measurements
03/03/2011	WO2010135636A3 Apparatus and method for modeling well designs and well performance
03/03/2011	WO2010135554A3 Methods and apparatus for providing complimentary resistivity and standoff image
03/03/2011	WO2010132382A3 Methods for making directional resistivity measurements
03/03/2011	WO2010129780A3 Directional resistivity imaging using harmonic representations
03/03/2011	WO2009142873A8 Downhole measurement of formation characteristics while drilling
03/03/2011	US20110048801 Method and apparatus for controlled bidirectional movement of an oilfield tool in a wellbore environment
03/03/2011	US20110048702 Interleaved arm system for logging a wellbore and method for using same
03/03/2011	US20110048701 Well seals
03/03/2011	US20110048700 Apparatus and method for fluid property measurements
03/03/2011	US20110048122 Downhole, single trip, multi-zone testing system and downhole testing method using such
03/03/2011	DE102008063940B4 Vorrichtung zur Erzeugung von Druckimpulsen im Spülkanal eines Bohrgestänges A device for generating pressure pulses in the purge passage of a drill string
03/03/2011	CA2771619A1 Sonically activating settable compositions and methods of activating them
03/02/2011	EP2290190A1 Method and apparatus for controlled bidirectional movement of an oilfield tool in a wellbore environment
03/02/2011	CN201753602U Intelligent drilling tool with photoelectric coupling signal transmission
03/02/2011	CN201753601U Wellhead connection device for armoured single-core cable
03/02/2011	CN201753600U Optical fiber monitoring device for mine shaft deformation
03/02/2011	CN101983276A Systems and methods for modeling wellbore trajectories
03/02/2011	CN101178007B Diaphragm-type optical-fiber intelligent well pressure and temperature sensing unit
03/01/2011	US7896107 System for tracking and maintaining on on-grade horizontal borehole
03/01/2011	US7896105 Method of drilling and production hydrocarbons from subsurface formations
03/01/2011	US7896074 Carrier assembly for a pipe conveyed well logging assembly
03/01/2011	US7896073 Apparatus for formation resistivity imaging in wells with oil-based drilling fluids
03/01/2011	US7896072 Calorimetric distributed temperature system and methods
03/01/2011	US7896071 Method for continous downhole fluid release and well evaluation
03/01/2011	US7896070 Providing an expandable sealing element having a slot to receive a sensor array
03/01/2011	US7896069 Method of applying a string of interconnected strain sensors to a cylindrical object
03/01/2011	CA2694230C Method and system for cleat characterization in coal bed methane wells for completion optimization
03/01/2011	CA2529915C Remotely actuating a valve
03/01/2011	CA2526345C Method and system for optimizing downhole fluid production
03/01/2011	CA2462957C In situ thermal processing of a hydrocarbon containing formation and upgrading of produced fluids prior to further treatment
02/2011
02/24/2011	WO2011022476A2 Optical telemetry network
02/24/2011	WO2011022416A1 Inclination measurement devices and methods of use
02/24/2011	WO2011022391A2 High resolution sensor with scalable sample rate
02/24/2011	WO2011022352A2 Remediation of relative permeability blocking using electro-osmosis
02/24/2011	WO2011022306A2 Gravity interpretation workflow in injection wells
02/24/2011	WO2011022257A2 Attachment of control lines to outside of tubular

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