| Patents for E21B 47 - Survey of boreholes or wells (31,352) |
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| 09/18/2014 | US20140260587 Devices and Methods for Electromagnetic Measurement of Axial Flow |
| 09/17/2014 | EP2778339A1 A completion component with position detection |
| 09/17/2014 | EP2776871A1 Combined rheometer/mixer having helical blades and methods of determining rheological properties of fluids |
| 09/17/2014 | EP2776868A1 Instrumented core barrels and methods of monitoring a core while the core is being cut |
| 09/17/2014 | EP2776674A1 Real time downhole sensor data for controlling surface stimulation equipment |
| 09/17/2014 | EP2776673A1 Production logging instrument |
| 09/17/2014 | EP2776672A2 Downhole structure sections |
| 09/17/2014 | EP2776671A2 Downhole systems and methods for water source determination |
| 09/17/2014 | EP2776670A2 Optical casing collar locator systems and methods |
| 09/17/2014 | EP2776669A1 Downhole dynamics measurements using rotating navigation sensors |
| 09/17/2014 | EP2776668A1 Drill bit for performing electromagnetic measurements in a subterranean formation |
| 09/17/2014 | EP2776667A1 Method and system for reservoir surveillance utilizing a clumped isotope and/or noble gas data |
| 09/16/2014 | US8838390 System for gas detection, well data collection, and real time streaming of well logging data |
| 09/16/2014 | US8833489 Method and system for transferring signals through a drill pipe system |
| 09/16/2014 | US8833472 Methods and apparatus for transmission of telemetry data |
| 09/16/2014 | US8833469 Method of and apparatus for completing a well |
| 09/16/2014 | US8833455 Method and apparatus for well treatment |
| 09/16/2014 | US8833448 Fluid system component with sacrificial element |
| 09/16/2014 | US8833154 Tracer identification of downhole tool actuation |
| 09/16/2014 | CA2799273C Downhole orientation sensing with nuclear spin gyroscope |
| 09/16/2014 | CA2553497C Mixed wireless and cable data acquisition network |
| 09/15/2014 | CA2839096A1 Method for installing a sensing cable along a pipeline |
| 09/14/2014 | CA2847365A1 Rf antenna assembly with series dipole antennas and coupling structure and related methods |
| 09/14/2014 | CA2846359A1 Borehole instrument for borehole profiling and imaging |
| 09/14/2014 | CA2845910A1 Borehole profiling and imaging |
| 09/12/2014 | WO2014138055A2 System and console for monitoring and managing well site operations |
| 09/12/2014 | WO2014137998A1 Drill bit with a load sensor on the bit shank |
| 09/12/2014 | WO2014137844A1 Removing ring down effects from sonic waveforms |
| 09/12/2014 | WO2014137358A1 Configurable and expandable fluid metering system |
| 09/12/2014 | WO2014137356A1 Systems and methods for optimizing analysis of subterranean well bores and fluids using noble gases |
| 09/12/2014 | WO2014135861A2 Wireline device |
| 09/12/2014 | WO2014134741A1 Detection of downhole data telemetry signals |
| 09/12/2014 | WO2014134727A1 System and method for regulating an electromagnetic telemetry signal sent from downhole to surface |
| 09/12/2014 | CA2818374A1 Devices and methods for electromagnetic measurement of axial flow |
| 09/11/2014 | US20140254322 Telemetry Coding and Surface Detection for a Mud Pulser |
| 09/11/2014 | US20140253341 Method and apparatus for communication of wellbore data, including visual images |
| 09/11/2014 | US20140253128 Fluid Determination In A Well Bore |
| 09/11/2014 | US20140251690 Logging-While-Drilling Tool Incorporating Electronic Radiation Generator And Method For Using Same |
| 09/11/2014 | US20140251632 Subsea hydrocarbon production system |
| 09/11/2014 | US20140251603 Cement plug location |
| 09/11/2014 | US20140251602 System And Method For Obtaining Load Measurements In A Wellbore |
| 09/11/2014 | US20140251601 Modeling acid distribution for acid stimulation of a formation |
| 09/11/2014 | US20140251592 Rotating magnetic field downhole power generation device |
| 09/11/2014 | CA2815863A1 Methods of and apparatuses for identifying geological characteristics in boreholes |
| 09/10/2014 | EP2775093A1 System and apparatus for modeling the behavior of a drilling assembly |
| 09/10/2014 | EP2775089A1 Construction device and method for determining the position of a drill drive |
| 09/10/2014 | EP2774066A1 Modeling of interaction of hydraulic fractures in complex fracture networks |
| 09/10/2014 | EP2773987A1 Systems and methodology for detecting a conductive structure |
| 09/10/2014 | EP2773925A1 Downhole tool for determining flow velocity |
| 09/10/2014 | EP2773849A1 Well access tools |
| 09/10/2014 | EP2773848A1 Method and system for predicting a drill string stuck pipe event |
| 09/09/2014 | US8829909 Reservoir navigation using magnetic field of DC currents |
| 09/09/2014 | US8827006 Apparatus and method for measuring while drilling |
| 09/09/2014 | US8827005 Method for drilling wells in close relationship using magnetic ranging while drilling |
| 09/09/2014 | US8826991 Variably configurable wellbore junction assembly |
| 09/09/2014 | US8826988 Latch position indicator system and method |
| 09/09/2014 | US8826984 Method and apparatus of heat dissipaters for electronic components in downhole tools |
| 09/09/2014 | US8826979 Methods and apparatus for improved cement plug placement |
| 09/09/2014 | US8826978 Method of testing the operation of a producing oil well operated using the formation hydrofracturing process |
| 09/09/2014 | US8826977 Remediation of relative permeability blocking using electro-osmosis |
| 09/09/2014 | US8826972 Platform for electrically coupling a component to a downhole transmission line |
| 09/09/2014 | CA2757374C A rig for wellbore operations |
| 09/09/2014 | CA2658890C Downhole telemetry through multi-conductor wireline |
| 09/09/2014 | CA2558430C Method and system to model, measure, recalibrate, and optimize control of the drilling of a borehole |
| 09/09/2014 | CA2551283C Method of determining a fluid inflow profile of wellbore |
| 09/04/2014 | WO2014134152A1 Method to assess uncertainties and correlations resulting from multi-station analysis of survey data |
| 09/04/2014 | WO2014133927A1 Magnetically clamping a downhole component to a direction of a borehole casing |
| 09/04/2014 | WO2014133764A1 Downhole fluid analysis methods |
| 09/04/2014 | WO2014133739A2 Method and apparatus for magnetic pulse signature actuation |
| 09/04/2014 | WO2014133540A1 A wireline connector including an electromagnet and a metal |
| 09/04/2014 | WO2014133505A1 Method and system for performing friction factor calibration |
| 09/04/2014 | WO2014133449A1 Device for detecting the presence of one or more cavities in a borehole |
| 09/04/2014 | WO2014132078A2 Downhole communication |
| 09/04/2014 | WO2014131133A1 Pinned electromagnetic telemetry gap sub assembly |
| 09/04/2014 | WO2014131132A1 Range positioning tool for use within a casing or liner string |
| 09/04/2014 | WO2014131126A1 System and method for managing batteries for use in a downhole drilling application |
| 09/04/2014 | WO2014131125A1 Fluid pressure pulse generating apparatus and method of using same |
| 09/04/2014 | WO2013177161A3 Methods and systems for testing the integrity of components of a hydrocarbon well system |
| 09/04/2014 | US20140247133 System and Method for Downhole Telemetry |
| 09/04/2014 | US20140246238 System and console for monitoring and managing well site operations |
| 09/04/2014 | US20140246237 Reliable downhole data transmission system |
| 09/04/2014 | US20140246236 Expandable reamer assemblies, bottom hole assemblies, and related methods |
| 09/04/2014 | US20140246235 Drill Bit With a Load Sensor on the Bit Shank |
| 09/04/2014 | US20140246201 Scuttle for the monitoring and inspection of a flexible riser |
| 09/04/2014 | US20140246192 Multi-stage seal for well fracturing |
| 09/04/2014 | US20140245827 In-situ Detection and Analysis of Methane in Coal Bed Methane Formations with Spectrometers |
| 09/04/2014 | US20140245588 Array temperature sensing method and system |
| 09/04/2014 | DE112012005169T5 Verwendung von dynamischen Untertage-Vermessungen Use of dynamic downhole measurements |
| 09/03/2014 | EP2772610A1 Method for determining the inflow profile of fluids of multilayer deposits |
| 09/03/2014 | EP2771544A1 High-speed downhole sensor and telemetry network |
| 09/03/2014 | EP2771543A1 Method and system for using tracer shots for estimating influx volumes of fluids from different influx zones to a production flow in a well |
| 09/03/2014 | EP2771542A1 Methods and systems for providing a package of sensors to enhance subterranean operations |
| 09/02/2014 | US8825430 Differential pressure systems and methods for measuring hydraulic parameters across surface water-aquifer interfaces |
| 09/02/2014 | US8825408 Using models for equilibrium distributions of asphaltenes in the prescence of GOR gradients to determine sampling procedures |
| 09/02/2014 | US8824241 Method for a pressure release encoding system for communicating downhole information through a wellbore to a surface location |
| 09/02/2014 | US8824240 Apparatus and method for measuring the acoustic impedance of wellbore fluids |
| 09/02/2014 | US8823939 Methods and devices for optically determining a characteristic of a substance |
| 09/02/2014 | US8820404 Water well pumping and control system |
| 08/28/2014 | WO2014130995A1 Apparatus and method for determining closure pressure from flowback measurements of a fractured formation |
| 08/28/2014 | WO2014130656A1 Recoverable data acquisition system and method of sensing at least one parameter of a subterranean bore |