Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 47 - Survey of boreholes or wells
Patents for E21B 47 - Survey of boreholes or wells (31,352)
11/2003
11/27/2003WO2003097997A1 Acoustic doppler downhole fluid flow measurement
11/27/2003WO2003060283A3 Sonde housing and method of manufacture
11/27/2003US20030220750 methods for monitoring fluid front movements in hydrocarbon reservoirs using permanent sensors
11/27/2003US20030220743 Inertially-stabilized magnetometer measuring apparatus for use in a borehole rotary environment
11/27/2003US20030218940 Method of detecting signals in acoustic drill string telemetry
11/27/2003US20030218547 Streamlining data transfer to/from logging while drilling tools
11/27/2003US20030217886 Apparatus for detecting geophysical energy
11/27/2003US20030217850 Downhole tool for use in a wellbore
11/27/2003CA2485974A1 Acoustic doppler downhole fluid flow measurement
11/26/2003EP1365103A2 Continuous wellbore drilling system with stationary sensor measurements
11/26/2003EP1364230A1 Downhole telemetry and control system
11/25/2003US6653837 Dipole field locate point determination using a horizontal flux vector
11/25/2003US6651747 Downhole anchoring tools conveyed by non-rigid carriers
11/25/2003US6651496 Inertially-stabilized magnetometer measuring apparatus for use in a borehole rotary environment
11/25/2003CA2078467C Advanced monitoring device for yield well deposit
11/20/2003WO2003096075A1 Recalibration of downhole sensors
11/20/2003WO2003096073A1 Method and apparatus for transporting data
11/20/2003WO2002075164A3 Flexible joint for well logging instruments
11/20/2003US20030213620 Apparatus for transferring electrical energy between rotating and non-rotating members of downhole tools
11/20/2003US20030213595 Downhole tool deployment safety system and methods
11/20/2003US20030213591 Well testing using multiple pressure measurements
11/19/2003EP1362979A2 Pig for measuring the shape of a pipeline
11/19/2003EP1153194B1 Automated bore planning method and apparatus for horizontal directional drilling
11/19/2003CN2586814Y Three-dimensional dynamic tester for pumping unit
11/19/2003CN1456866A Composite annular all angles automatic continuous decline meter
11/18/2003US6649906 Method and apparatus for safely operating radiation generators in while-drilling and while-tripping applications
11/18/2003US6648083 Method and apparatus for measuring mud and formation properties downhole
11/18/2003US6648082 Differential sensor measurement method and apparatus to detect a drill bit failure and signal surface operator
11/18/2003US6648069 Well reference apparatus and method
11/18/2003US6647637 Use of magneto-resistive sensors for borehole logging
11/17/2003CA2428551A1 Apparatus for measuring shape of pipeline and therefor
11/13/2003WO2003093872A1 Method of detecting signals in acoustic drill string telemetry
11/13/2003WO2003036030A3 In situ thermal processing and upgrading of produced hydrocarbons
11/13/2003WO2003034175A3 Methods and systems for offering and servicing financial instruments
11/13/2003WO2002066791A8 Downhole sensing and flow control utilizing neural networks
11/13/2003US20030209365 Recalibration of Downhole Sensors
11/13/2003US20030209347 System and method for making an opening in a subsurface tubular for reservoir monitoring
11/13/2003CA2483592A1 Method of detecting signals in acoustic drill string telemetry
11/12/2003CN2585976Y Protector for preventing rod-shape member falling in well
11/11/2003US6645769 Reservoir monitoring
11/11/2003US6644421 Sonde housing
11/11/2003US6644403 Method and device for the measuring physical parameters in a production shaft of a deposit of underground fluid storage reservoir
11/11/2003US6644402 Method of installing a sensor in a well
11/11/2003US6644110 Measurements of properties and transmission of measurements in subterranean wells
11/06/2003WO2003091540A1 System and method for acquiring seismic and micro-seismic data in deviated wellbores
11/06/2003WO2003021278A3 Inertially-stabilized magnetometer measuring apparatus for use in a borehole rotary environment
11/06/2003WO2002042605A9 Method of and system for controlling directional drilling
11/06/2003US20030208318 Flux orientation locating in a drilling system
11/06/2003US20030205410 Remote control for a drilling machine
11/06/2003US20030205378 In situ recovery from lean and rich zones in a hydrocarbon containing formation
11/06/2003US20030205376 Means and Method for Assessing the Geometry of a Subterranean Fracture During or After a Hydraulic Fracturing Treatment
11/06/2003US20030205375 Treatment well tiltmeter system
11/06/2003US20030205083 Monitoring of downhole parameters and tools utilizing fiber optics
11/05/2003EP1358396A1 Method of placing downhole tools in a wellbore
11/05/2003EP1027519A4 Apparatus for directional drilling
11/05/2003CN2585191Y Injection well ultrasonic flow logging instrument
11/05/2003CN1126859C Oil gas generation, transferring and gathering analog experiment apparatus
11/05/2003CN1126858C Physical logging simulator
11/04/2003US6641434 Wired pipe joint with current-loop inductive couplers
11/04/2003US6640907 Mapping tool for tracking and/or guiding an underground boring tool
11/04/2003US6640900 Method and apparatus to monitor, control and log subsea oil and gas wells
11/04/2003US6640896 Mechanical oil recovery method and system with a sucker rod pump
11/04/2003CA2240606C Controller for oil wells using a heated probe sensor
11/04/2003CA2093600C Borehole stressed packer inflation system
10/2003
10/30/2003WO2003090311A2 Extended range emf antenna
10/30/2003WO2003089760A1 Telemetry system for the bi-directional communication of data between a well point and a terminal unit situated on the surface
10/30/2003WO2003089759A1 Method and apparatus for determining drill string movement mode
10/30/2003WO2003089758A1 System and method for interpreting drilling data
10/30/2003WO2003089757A1 Means and method for assessing the geometry of a subterranean fracture during or after a hydraulic fracturing treatment
10/30/2003WO2003089751A2 Method for improving drilling depth measurements
10/30/2003WO2003050376A3 Burst qam downhole telemetry system
10/30/2003WO2003029614A3 Tool and method for measuring properties of an earth formation surrounding a borehole
10/30/2003WO2003029602A3 Methods for determining characteristics of earth formations
10/30/2003WO2002072993A3 Hydraulically balanced reciprocating pulser valve for mud pulse telemetry
10/30/2003US20030201126 Skin depth compensation in underground boring applications
10/30/2003US20030201102 Liner top test packer
10/30/2003US20030201098 In situ recovery from a hydrocarbon containing formation using one or more simulations
10/29/2003EP1357403A2 A method of generating electric power in a wellbore
10/29/2003EP1357402A2 A light actuated system for use in a wellbore
10/29/2003EP1357401A2 A system for controlling a downhole device in a wellbore
10/29/2003EP1356253A1 Apparatus for sensing fluid flow in a pipe
10/29/2003EP1356189A1 Method to evaluate the hydrocarbon potential of sedimentary basins from fluid inclusions
10/28/2003US6637523 Drilling process monitor
10/28/2003US6637119 Surveying of boreholes
10/25/2003CA2383379A1 Determination of the orientation of geological beds from stratigraphic data in deviated wells
10/23/2003WO2003087788A1 A method and apparatus for a downhole refractometer and attenuated reflectance spectrometer
10/23/2003WO2003087536A1 Magnetically activated well tool
10/23/2003WO2003087520A2 Apparatus and method of detecting interfaces between well fluids and for detecting the launch of a device in oilfield applications
10/23/2003WO2003046333A3 Thermoacoustic electric power generation
10/23/2003US20030198188 Combined hardware and software architecture for remote monitoring
10/23/2003US20030197509 Bore location system
10/23/2003US20030196814 Fuel cell for downhole and subsea power systems
10/23/2003US20030196810 Providing heat from heaters to formation; allowing the heat to transfer to selected section of the formation; controlling the heat from heaters; producing a mixture from the formation
10/23/2003US20030196801 In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well
10/23/2003US20030196800 Tracking of particulate flowback in subterranean wells
10/23/2003US20030196799 Method of tracking fluids produced from various zones in subterranean wells
10/23/2003US20030196798 Method of monitoring service operations of a service vehicle at a well site
10/23/2003US20030196789 In situ thermal processing of a hydrocarbon containing formation and upgrading of produced fluids prior to further treatment
10/23/2003US20030196788 Producing hydrocarbons and non-hydrocarbon containing materials when treating a hydrocarbon containing formation
10/23/2003US20030196493 Apparatus to measure differential pressure with settable pressure reference
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