Patents for E21B 47 - Survey of boreholes or wells (31,352)
01/2007
01/25/2007WO2007010179A1 Underwater module
01/25/2007WO2005091899A3 Surface real-time processing of downhole data
01/25/2007US20070018848 Electrical connection assembly
01/25/2007US20070017705 Downhole Tool Position Sensing System
01/25/2007US20070017673 Determining and Tracking Downhole Particulate Deposition
01/25/2007US20070017672 Automatic Detection of Resonance Frequency of a Downhole System
01/25/2007US20070017671 Wellbore telemetry system and method
01/25/2007US20070017106 System and method for using microgyros to measure the orientation of a survey tool within a borehole
01/25/2007DE102006033488A1 System, Vorrichtung und Verfahren zum Ausführen von Messungen des spezifischen elektrischen Widerstands in einem Bohrloch System, apparatus and method for performing measurements of the electrical resistivity in a borehole
01/25/2007DE102004003481B4 Meßeinrichtung und Bohrvorrichtung für Tiefbohrungen sowie Verfahren zur Messung relevanter Daten bei Tiefbohrungen Measuring device and drilling device for deep drilling and method for measuring relevant data in deep wells
01/24/2007EP1554463B1 A measuring sonde for a hydrocarbon well
01/24/2007CN2861997Y Packaging structure for optical fibre grating temperature sensor
01/24/2007CN2861484Y Jump prevention device for testing trolley steel wire
01/24/2007CN2861483Y Logging cab integrated meter
01/24/2007CN1902820A Signalling method and apparatus
01/24/2007CN1900481A Perforation efficiency detecting system under analogue storage layer condition
01/23/2007US7167005 Position and orientation locator/monitor
01/23/2007US7165632 Boring tool tracking fundamentally based on drill string length, pitch and roll
01/23/2007US7165618 Inductively coupled method and apparatus of communicating with wellbore equipment
01/23/2007US7165616 Method of controlling the direction of propagation of injection fractures in permeable formations
01/23/2007US7165615 In situ recovery from a hydrocarbon containing formation using conductor-in-conduit heat sources with an electrically conductive material in the overburden
01/23/2007US7165612 Impact sensing system and methods
01/23/2007CA2421000C Formation tester pretest using pulsed flow rate control
01/23/2007CA2289129C Earth formation surveying device
01/23/2007CA2213685C Device to attach a receiver system to the wall of a well
01/18/2007WO2007008876A2 Automatic adjustment of nmr pulse sequence to optimize snr based on real time analysis
01/18/2007WO2007008844A2 Systems and methods for installation, design and operation of groundwater monitoring systems in boreholes
01/18/2007WO2007008637A1 Apparatus and methods for activating a downhole tool
01/18/2007WO2007008351A1 Underbalanced drilling applications hydraulically operated formation isolation valve
01/18/2007WO2005119301A3 Downhole signal source
01/18/2007US20070012483 System And Method For Locating And Tracking A Boring Tool
01/18/2007US20070012453 Optical sensor use in alternate path gravel packing with integral zonal isolation
01/18/2007US20070011895 Directional sensor system comprising a single axis sensor element positioned at multiple controlled orientations
01/17/2007EP1743081A1 Optical fiber equipped tubing and methods of making and using
01/17/2007CN2858950Y Drill-following dual-induction resistivity measuring instrument
01/17/2007CN2858949Y Down-well uncoupling hanger
01/17/2007CN2858948Y Single well split meter
01/17/2007CN2858933Y Well mouth pressure testing separation plug
01/17/2007CN1898455A Downhole flow measurement in a well
01/17/2007CN1898454A Well control and monitoring system using high temperature electronics
01/16/2007US7163065 Combined telemetry system and method
01/16/2007US7163055 Placing fiber optic sensor line
01/16/2007US7162918 Method and apparatus for downhole fluid characterization using flexural mechanical resonators
01/16/2007CA2454666C Multi-measurement nmr analysis based on maximum entropy
01/16/2007CA2414617C Production profile determination and modification system
01/14/2007CA2552291A1 Methods and systems for monitoring pressure during jet grouting
01/13/2007CA2714879A1 Methods and apparatus for optimizing well production
01/11/2007WO2007005637A2 Single sensor element positioned in multiple controlled orientations
01/11/2007WO2007004891A1 Well having inductively coupled power and signal transmission
01/11/2007WO2007003445A1 Sensor system for gas lift wells
01/11/2007US20070007040 Method and device for impact loosening of thread joints
01/11/2007US20070007039 Arrangement for controlling rock drilling
01/11/2007US20070007007 Method and apparatus for wellbore fluid treatment
01/11/2007US20070007006 Mixing energy analysis of high-yielding non-newtonian fluids for severe lost circulation prevention
01/11/2007US20070007005 Systems and methods for installation, design and operation of groundwater monitoring systems in boreholes
01/11/2007US20070007001 Redundant systems for downhole permanent installations
01/11/2007DE102006030883A1 Bohrlochtelemetriesystem und -verfahren Downhole telemetry system and method
01/11/2007DE102006027545A1 Verbinder zum Verbinden von Hilfsdurchflussleitungen und Verfahren hierfür Connector for connecting the auxiliary flow lines and method therefor
01/11/2007CA2612731A1 Well having inductively coupled power and signal transmission
01/10/2007EP1222359B1 Apparatus for transferring electrical energy between rotating and non-rotating members of downhole tools
01/10/2007CN2856414Y Downhole level measurer for dynamic monitoring geothermal well
01/10/2007CN2856413Y Special collar clamp for oil well detection
01/10/2007CN2856412Y Normally closed switch with fixed on-off structure
01/10/2007CN2856411Y In-situ allochthonous real time parameter monitoring system for drilling and servicing well
01/10/2007CN2856410Y Steam sucking section tester with centralizer and choke umbrella
01/10/2007CN2856379Y Detectable rope suspension means
01/10/2007CN1891977A Wellbore telemetry system and method
01/10/2007CN1891976A Floating-hammer randow directional floating-gyro inclinometer
01/09/2007US7159673 Drilling system with expandable sleeve
01/09/2007US7159672 Mapping tool for tracking and/or guiding an underground boring tool
01/09/2007US7159654 Apparatus identification systems and methods
01/09/2007US7159653 Spacer sub
01/09/2007US7159468 Fiber optic differential pressure sensor
01/09/2007CA2485824C Self-calibrated ultrasonic method of in-situ measurement of borehole fluid acoustic properties
01/09/2007CA2431152C Well-bore sensor apparatus and method
01/09/2007CA2427196C System and method for evaluation of thinly laminated earth formations
01/09/2007CA2422458C Sub apparatus with exchangeable modules
01/09/2007CA2417555C A method and apparatus for a downhole nmr mwd tool configuration
01/09/2007CA2351640C A method of installing components in a downhole apparatus, and apparatus obtained thereby
01/09/2007CA2241194C Determination of fluid influx or efflux
01/09/2007CA2235134C Closed loop drilling system
01/09/2007CA2210722C A method for determining the position of a tool of a rock drill
01/05/2007CA2551090A1 Wellbore telemetry system and method
01/04/2007WO2007002010A2 Method and apparatus for conducting earth borehole operations using coiled casing
01/04/2007WO2006047478A3 Method for determining tracer concentration in oil and gas production fluids
01/04/2007US20070000692 Method of monitoring gas influx into a well bore when drilling an oil and gas well, and apparatus constructed in accordance with the method
01/04/2007US20070000667 Subsea Communication System and Technique
01/03/2007EP1738202A2 Method of managing multiple wells in a reservoir
01/03/2007EP1738145A1 A method and apparatus for a high resolution downhole spectrometer
01/03/2007CN2854542Y Hydraulic sensing weight indicator
01/03/2007CN2854085Y Indicator for fault of oil well
01/03/2007CN2854084Y Automatic monitor for liquid level of pumping well
01/03/2007CN2854083Y Slop shothole drilling field positioning instrument
01/03/2007CN2854082Y Crued oil gas-liquid separation and metering device
01/03/2007CN2854081Y Oil field wellhead flowmeter
01/03/2007CN2854080Y Wellhead anti-blowout completed equipment with fibre-optical TV
01/03/2007CN2854079Y Oil-water well ground comprehension test instrument
01/03/2007CN2854074Y Automatic metering transmission device of thickening oil heat production steam parameter
01/03/2007CN2854063Y Test tube suspension sealing device of thickened oil horinontal well
01/03/2007CN1890582A Through tubing real time downhole wireless gauge