E21B 47 - Survey of boreholes or wells

Patents for E21B 47 - Survey of boreholes or wells (31,352)
12/2006
12/12/2006	US7146698 Hand-held riveting tool
12/12/2006	CA2398715C Sequential hydraulic control system for use in subterranean well
12/12/2006	CA2334106C Method and system for measuring data in a fluid transportation conduit
12/12/2006	CA2284997C Downhole monitoring method and device
12/12/2006	CA2259176C Method and apparatus for testing, completing and/or maintaining wellbores using a sensor device
12/07/2006	WO2006130178A2 Multi-purpose downhole tool
12/07/2006	WO2006065483A9 Acoustic telemetry system using passband equalization
12/07/2006	WO2005113937A3 Methods and apparatus for measuring formation properties
12/07/2006	WO2005101060A3 Method of managing multiple wells in a reservoir
12/07/2006	WO2005050714A3 High temperature electronic devices
12/07/2006	US20060273799 Side entry leak protection for downhole tools
12/07/2006	US20060272861 Method for improving drilling depth measurements
12/07/2006	US20060272859 Method and apparatus for collecting drill bit performance data
12/07/2006	US20060272812 Method for analyzing drill cuttings using nuclear magnetic resonance techniques
12/07/2006	US20060272811 Sekhars Correlation between Oil Production Rate and Gas-Lift Rate
12/07/2006	US20060272810 Downhole pressure containment system
12/07/2006	US20060272809 Wellbores utilizing fiber optic-based sensors and operating devices
12/06/2006	EP1395734B1 Conductive fluid flow logging tool
12/06/2006	EP1259709B1 Controllable production well packer
12/06/2006	CN2844439Y Pressure tester of operation well
12/06/2006	CN2844389Y Demodulator driller underwell
12/06/2006	CN1873186A Boring imaging system for conductive and resistive drilling fluids
12/06/2006	CA2549537A1 Intelligent system for use in subterranean drilling applications
12/05/2006	US7145473 Electromagnetic borehole telemetry system incorporating a conductive borehole tubular
12/05/2006	US7145472 Method and apparatus for high speed data dumping and communication for a down hole tool
12/05/2006	US7145471 Sequential hydraulic control system for use in a subterranean well
12/05/2006	US7143844 Earth penetrating apparatus and method employing radar imaging and rate sensing
12/05/2006	US7143826 Method for determining sand free production rate and simultaneously completing a borehole
12/05/2006	US7143521 Determination of borehole azimuth and the azimuthal dependence of borehole parameters
12/05/2006	CA2435951C Method for detecting hydrocarbons by comparing nmr response at different depths of investigation
12/05/2006	CA2428171C Wired pipe joint with current-loop inductive couplers
12/05/2006	CA2374152C System for pressure testing tubing
12/05/2006	CA2259819C Method and apparatus for mud pulse telemetry in underbalanced drilling systems
11/2006
11/30/2006	WO2006127939A2 System and method for nodal vibration analysis of a borehole pump system a different operational frequencies
11/30/2006	WO2006127892A2 Methods and devices for analyzing and controlling the propagation of waves in a borehole generated by water hammer
11/30/2006	WO2006127833A2 A method and apparatus for reservoir characterization using photoacoustic spectroscopy
11/30/2006	WO2006127760A1 Reciprocating pulser for mud pulse telemetry
11/30/2006	WO2006127274A1 Method for detecting fluid leakage from a subterranean formation
11/30/2006	WO2006126886A1 A device for selective movement of well tools and also a method of using same
11/30/2006	US20060271299 Wellbore evaluation system and method
11/30/2006	US20060267591 Shielded apparatus for electrically exploring geological formation through which a borehole passes
11/30/2006	US20060266553 Method for improving drilling depth measurements
11/30/2006	US20060266552 Method for improving drilling depth measurements
11/30/2006	US20060266520 Method for detecting fluid leakage from a subterranean formation
11/30/2006	US20060266519 Methods of improving well bore pressure containment integrity
11/30/2006	US20060266518 Self contained temperature sensor for borehole systems
11/30/2006	US20060266109 Method and apparatus for reservoir characterization using photoacoustic spectroscopy
11/30/2006	US20060266108 Method and apparatus for reservoir characterization using photoacoustic spectroscopy
11/30/2006	US20060266107 Methods of improving well bore pressure containment integrity
11/30/2006	US20060266064 Electrical Submersible Pumping Systems Having Stirling Coolers
11/30/2006	CA2609345A1 A method and apparatus for reservoir characterization using photoacoustic spectroscopy
11/30/2006	CA2609129A1 Reciprocating pulser for mud pulse telemetry
11/30/2006	CA2607420A1 Method for detecting fluid leakage from a subterranean formation
11/30/2006	CA2604355A1 A device for selective movement of well tools and also a method of using same
11/29/2006	EP1726776A2 Sonde housing and method of manufacture
11/29/2006	EP1726187A2 Extracting and processing hydrocarbon-bearing formations
11/29/2006	EP1725968A1 Method and apparatus for chemometric estimations of fluid density, viscosity, dielectric constant, and resistivity from mechanical resonator data
11/29/2006	EP1370891B1 Sonde
11/29/2006	CN2841960Y Motor type dual-isotope release device
11/29/2006	CN2841959Y Test pressure-guiding sand blower
11/29/2006	CN2841958Y Pumping unit time rate monitoring alarm instrument
11/29/2006	CN2841948Y Oil pipe Blow-out preventing pressure test device
11/29/2006	CN1871409A Atomic clock for downhole applications
11/29/2006	CN1869400A Double-induction resistivity measuring instrument during drilling
11/29/2006	CN1869399A Shock-absorbing connection
11/28/2006	US7140454 Well drilling bit
11/28/2006	US7140452 Method and apparatus for determining drill string movement mode
11/28/2006	US7140435 Optical fiber conveyance, telemetry, and/or actuation
11/28/2006	US7140434 Sensor system
11/28/2006	CA2226389C Oriented, multi-component, downhole seismic data processing method
11/28/2006	CA2208661C Downhole electricity transmission system
11/24/2006	CA2553460A1 Method and apparatus for restraining tubular members during well servicing
11/23/2006	US20060260843 Methods and systems for determining angular orientation of a drill string
11/23/2006	US20060260806 Method and system for wellbore communication
11/23/2006	US20060260805 Apparatus and method for obtaining downhole samples
11/23/2006	US20060260391 Internal riser inspection device and methods of using same
11/23/2006	DE102006023260A1 Vorrichtung und Verfahren zum Erhalten von Bohrlochproben Apparatus and method for obtaining samples from borehole
11/22/2006	EP1527253B1 Inflation tool with real-time temperature and pressure probes
11/22/2006	CN2840073Y Plugging electrical resistivity conductivity sensor
11/22/2006	CN1285826C Branch well reentering tool
11/21/2006	US7139219 Hydraulic impulse generator and frequency sweep mechanism for borehole applications
11/21/2006	US7138929 Method and apparatus for enhanced acoustic mud pulse telemetry during underbalanced drilling
11/21/2006	US7137459 Silicate drilling fluid and method of drilling a well therewith
11/21/2006	US7137446 Fluids comprising reflective particles and methods of using the same to determine the size of a wellbore annulus
11/21/2006	CA2390706C Reservoir management system and method
11/21/2006	CA2292639C An erectable arm assembly for use in boreholes
11/21/2006	CA2206939C A method and apparatus for the underground ascertainment of the depth of a bore
11/20/2006	CA2610091A1 Fiber optic installation method
11/16/2006	WO2006122174A2 Bidirectional telemetry apparatus and methods for wellbore operations
11/16/2006	WO2006120366A1 Methods for analysis of pressure response in underground formations
11/16/2006	WO2006011927A3 Downhole telemetry system for wired tubing
11/16/2006	US20060254821 Probe, particularly for locating trapped victims, as well as a search system for trapped victims
11/16/2006	US20060254820 Dipole locator using multiple measurement points
11/16/2006	US20060254768 Apparatus and method for measuring movement of a downhole tool
11/16/2006	US20060254767 Enclosures for Containing Transducers and Electronics on a Downhole Tool
11/16/2006	US20060254765 Biogenic fuel gas generation in geologic hydrocarbon deposits
11/16/2006	US20060254350 Measuring mud flow velocity using pulsed neutrons
11/16/2006	DE102006021721A1 Gehäuse für die Aufnahme von Messwandlern und von Elektronik an einem Bohrlochwerkzeug Housing for the reception of transducers and electronics on a downhole tool
11/16/2006	CA2606592A1 Methods for analysis of pressure response in underground formations
11/15/2006	CN2837947Y Short-range radio transmission device between oil wells

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