Patents for E21B 47 - Survey of boreholes or wells (31,352) |
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10/16/2013 | CN103352688A Drilling tool bypass process unit |
10/16/2013 | CN103352687A Method controlling hole deviation in hole drilling |
10/16/2013 | CN103352656A Drilling system |
10/16/2013 | CN103350160A Manufacturer of steel wire rope socket for water injection well testing |
10/16/2013 | CN102606145B Underground coal mine anti-explosion mud-pulse wireless measurement while-drilling system and using method thereof |
10/16/2013 | CN102305062B Method for interpreting saturation degree of multiphase liquid |
10/16/2013 | CN102102509B Method and device for testing semi-diameter of steam cavity of steam pouring well |
10/16/2013 | CN102094642B Intraformationally heterogeneous model oil-water displacement efficiency evaluation system |
10/16/2013 | CN101793144B Auxiliary device for improving observing effect of drilling television imaging instrument in muddy water hole |
10/16/2013 | CN101769150B Downhole ejector rod with quick-change connectors for sound wave (television) logging instrument |
10/16/2013 | CN101634221B Method for extracting angular rate by accelerometers |
10/16/2013 | CN101501297B Modular geosteering tool assembly |
10/15/2013 | US8560098 System for remotely monitoring a site for anticipated failure and maintenance with a plurality of controls |
10/15/2013 | US8560097 Computer assisted method for remotely monitoring a site for anticipated failure and maintenance with a plurality of controls |
10/15/2013 | US8560096 Method for remotely monitoring a site for anticipated failure and maintenance with a plurality of controls |
10/15/2013 | US8559272 Acoustic logging while drilling tool having raised transducers |
10/15/2013 | US8556000 Device for monitoring a drilling or coring operation and installation comprising such a device |
10/15/2013 | US8555976 Emergency disconnect sequence timer display and method |
10/15/2013 | US8555969 Methods and apparatus to change the mobility of formation fluids using thermal and non-thermal stimulation |
10/15/2013 | US8555967 Methods and systems for evaluating a boundary between a consolidating spacer fluid and a cement composition |
10/15/2013 | US8555966 Formation testing apparatus and methods |
10/15/2013 | US8555712 Outside casing conveyed low flow impedance sensor gauge system and method |
10/15/2013 | CA2718118C Telemetry transmitter optimization using time domain reflectometry |
10/15/2013 | CA2712957C Downhole characterization of formation fluid as a function of temperature |
10/11/2013 | CA2773632A1 Apparatuses and methods for cooling position sensor components while drilling gravity drainage wells in hot formations |
10/10/2013 | WO2013152208A1 Formation volumetric evaluation using normalized differential data |
10/10/2013 | WO2013152204A1 Formation compositional evaluation using normalized differential data |
10/10/2013 | WO2013152075A2 Drilling control system |
10/10/2013 | WO2013152073A2 Drilling control and information system |
10/10/2013 | WO2013152072A2 Drilling control and information system |
10/10/2013 | WO2013151985A2 Methods for determining wettability from nmr |
10/10/2013 | WO2013151790A2 High speed cement bond logging and interactive targeted intervention |
10/10/2013 | WO2013151658A1 Well tools selectively responsive to magnetic patterns |
10/10/2013 | WO2013151657A1 Injection of fluid into selected ones of multiple zones with well tools selectively responsive to magnetic patterns |
10/10/2013 | WO2013151573A1 Systems and methods for selective electrical isolation of downhole tools |
10/10/2013 | WO2013151103A1 Transmission apparatus, reception apparatus, reception system and reception program |
10/10/2013 | US20130268198 Method for using tracer flowback for estimating influx volumes of fluids from different influx zones |
10/10/2013 | US20130265171 Data transmission in drilling operation environments |
10/10/2013 | US20130264050 System And Method For Improving Operational Characteristics |
10/10/2013 | CA2845586A1 Injection of fluid into selected ones of multiple zones with well tools selectively responsive to magnetic patterns |
10/09/2013 | EP2647791A2 Valve for communication of a measurement while drilling system |
10/09/2013 | EP2647790A1 Calibrator for a downhole caliper and method of using same |
10/09/2013 | EP2646857A1 Determination of strain components for different deformation modes using a filter |
10/09/2013 | EP2646856A2 Interpretation of real time compaction monitoring data into tubular deformation parameters and 3d geometry |
10/09/2013 | EP2646855A2 Modeling an interpretation of real time compaction modeling data from multi-section monitoring system |
10/09/2013 | EP2646854A2 Interpretation of real time casing image (rtci) data into 3d tubular deformation image |
10/09/2013 | EP2646853A2 An integrated solution for interpretation and visualization of rtcm and dts fiber sensing data |
10/09/2013 | EP2646649A2 Cutter with diamond sensors for acquiring information relating to an earth-boring drilling tool |
10/09/2013 | EP2646648A2 Logging-while-drilling tool incorporating electronic radiation generator and method for using same |
10/09/2013 | EP2646643A1 Contamination resistant connecting system and method |
10/09/2013 | CN203231734U Multi-arm underground diameter measuring probe |
10/09/2013 | CN203230415U Subsection simultaneous sampling and water exploration pipe column of multi-section fracturing horizontal well |
10/09/2013 | CN203230414U Thermocouple temperature compensation pressure measurement nitrogen-supplementing controller |
10/09/2013 | CN203230413U 实时液面测量仪 Real-time level meter |
10/09/2013 | CN203230412U Thermometer insulation protective sleeve |
10/09/2013 | CN203230411U Water-mist-resistance device of sight probe |
10/09/2013 | CN203230410U Horizontal-well logging wellhead platen and abrasion-proof pulley assembly |
10/09/2013 | CN203230409U Oil-gas yield indication sensor for oil-gas well |
10/09/2013 | CN203230408U Clamping device for test pieces for monitoring corrosion of down-hole oil tubes of gas wells |
10/09/2013 | CN203230407U Moveable gas well underground oil pipe corrosion monitoring device |
10/09/2013 | CN103348087A Parameter sensing and monitoring |
10/09/2013 | CN103343685A Main shaft component for pulse generator |
10/09/2013 | CN103343684A Complex tracer agent for oil field high-temperature hypersalinity block interwell monitoring and application thereof |
10/09/2013 | CN103343683A Toothed drilling machine real-time punching locating method based on GPS |
10/09/2013 | CN103343682A Anti-drop structure and anti-drop method for wireless inclinometer |
10/09/2013 | CN102373918B Oil well batch production simulation experimental facility for low-permeability reservoir |
10/09/2013 | CN102322247B Device and method for evaluating displacement capability of wetting phase of rock at high temperature under high pressure |
10/09/2013 | CN102174886B LWD (Logging While Drilling) real-time detection device and method of horizontal directional drilling depth of coal bed gas |
10/09/2013 | CN101842601B Bore-hole jet device for formation hydraulic fracturing and horizontal well examination and a method for the operation thereof |
10/08/2013 | US8550170 Retrievable flow module unit |
10/08/2013 | CA2787134C Orientation sensing apparatus and a method for determining an orientation |
10/06/2013 | CA2812056A1 Valve for communication of a measurement while drilling system |
10/03/2013 | WO2013149125A1 Electromagnetic method for obtaining dip azimuth angle |
10/03/2013 | WO2013149016A2 System and method for measurement incorporating a crystal resonator |
10/03/2013 | WO2013148856A2 System and method for measurement incorporating a crystal resonator |
10/03/2013 | WO2013148774A1 Anisotropy processing in low angle wells |
10/03/2013 | WO2013148623A1 Dynamic to static elastic property transforms for tiv rock material |
10/03/2013 | WO2013148510A1 System and method to transport data from a downhole tool to the surface |
10/03/2013 | WO2013148045A1 Apparatus, method and system for measuring formation pressure and mobility |
10/03/2013 | WO2013148007A2 Activation-indicating wellbore stimulation assemblies and methods of using the same |
10/03/2013 | WO2013148005A1 Controlled full flow pressure pulser for measurement while drilling (mwd) device |
10/03/2013 | WO2013147996A2 Optical casing collar locator systems and methods |
10/03/2013 | WO2013147875A2 System and method for automatic local grid refinement in reservoir simulation systems |
10/03/2013 | WO2013144557A2 Camera assembly |
10/03/2013 | WO2013142950A1 Device and method for measuring torque and rotation |
10/03/2013 | US20130261978 Method and system of calculating a fault throw |
10/03/2013 | US20130261873 Apparatus and method for obtaining information from drilled holes for mining |
10/03/2013 | US20130257629 Wireless communication between tools |
10/03/2013 | US20130256033 Multiple distributed pressure measurements |
10/03/2013 | US20130255969 Weight controlled slip interlock systems and methods |
10/03/2013 | US20130255963 Self-locating downhole devices |
10/03/2013 | US20130255940 Manipulation of multi-component geophone data to identify downhole conditions |
10/03/2013 | US20130255938 Activation-Indicating Wellbore Stimulation Assemblies and Methods of Using the Same |
10/03/2013 | US20130255937 High speed cement bond logging and interactive targeted intervention |
10/03/2013 | US20130255370 Variable Throat Venturi Flow Meter |
10/03/2013 | US20130255368 Methods and Apparatus for Determining A Viscosity of Oil in A Mixture |
10/03/2013 | CA2836328A1 Device and method for measuring torque and rotation |
10/02/2013 | EP2645058A2 An orientation sensing apparatus and a method for determining an orientation |
10/02/2013 | EP2645057A2 An orientation sensing apparatus and a method for determining an orientation |
10/02/2013 | EP2643713A1 System and method for estimating fluid distribution in a subterranean reservoir |