| Patents for E21B 47 - Survey of boreholes or wells (31,352) |
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| 03/05/2015 | WO2015031606A1 Downhole fluid analysis methods for determining compressibility |
| 03/05/2015 | WO2015031554A1 Wired pipe surface sub |
| 03/05/2015 | WO2015031475A1 Mechanical core jam indicator for coring tools, coring tools including such core jam indicators, and related methods |
| 03/05/2015 | WO2015031149A1 Correction of motion effect in nuclear magnetic resonance (nmr) logging |
| 03/05/2015 | WO2015031088A1 Determining phase behavior of a reservoir fluid |
| 03/05/2015 | WO2015031027A1 Azimuthally-selective downhole nuclear magnetic resonance (nmr) tool |
| 03/05/2015 | WO2015031026A1 Downhole nuclear magnetic resonance (nmr) tool with transversal-dipole antenna configuration |
| 03/05/2015 | WO2015030959A1 Loss compensation for distributed sensing in downhole environments |
| 03/05/2015 | WO2015030905A2 Reducing disturbance during fiber optic sensing |
| 03/05/2015 | WO2015030888A1 Identifying an axis of a stimulated reservoir volume for a stimulation treatment of a subterranean region |
| 03/05/2015 | WO2015030822A1 Distributed acoustic sensing system with variable spatial resolution |
| 03/05/2015 | WO2015030821A1 Distributed acoustic sensing system with variable spatial resolution |
| 03/05/2015 | WO2015030808A1 Lwd resistivity imaging tool with adjustable sensor pads |
| 03/05/2015 | WO2015030781A1 Systems and methods for casing detection using resonant structures |
| 03/05/2015 | WO2015030780A1 Analyzing subsurface material properties using a laser vibrometer |
| 03/05/2015 | WO2015030755A1 System for tracking and sampling wellbore cuttings using rfid tags |
| 03/05/2015 | WO2015030743A1 System and method for determining fault location |
| 03/05/2015 | WO2015030708A1 In-situ conversion process for oil shale |
| 03/05/2015 | WO2015030596A1 Petroleum well tracer release flow shunt chamber |
| 03/05/2015 | WO2015027340A1 Optimizing electromagnetic telemetry transmissions |
| 03/05/2015 | US20150066372 Method and system for analyzing and processing continued flow data in well testing data |
| 03/05/2015 | US20150066371 Integrated Oilfield Decision Making System and Method |
| 03/05/2015 | US20150061885 Wired pipe surface sub |
| 03/05/2015 | US20150061683 Mapping resistivity distribution within the earth |
| 03/05/2015 | US20150060143 Remotely controlled apparatus for downhole applications and methods of operation |
| 03/05/2015 | US20150060059 Sand control system and methodology employing a tracer |
| 03/05/2015 | US20150060057 Determining minimum miscibility pressure of an oil compositon with a fluid |
| 03/05/2015 | US20150059463 Pressure balanced flow through load measurement |
| 03/04/2015 | EP2843188A1 A downhole communication module |
| 03/04/2015 | EP2843187A1 Apparatus for tracking location of salt water boundary of underground water |
| 03/04/2015 | EP2841921A1 Methods for optically determining a characteristic of a subsbstance |
| 03/04/2015 | EP2841920A1 Devices for optically determining a characteristic of a substance |
| 03/04/2015 | EP2841693A1 Rugged rfid tags |
| 03/04/2015 | EP2841692A1 Detecting boundary locations of multiple subsurface layers |
| 03/03/2015 | US8969260 Glycerol based drilling fluids |
| 03/03/2015 | US8968600 Light emitting composite with phosphor components |
| 03/03/2015 | US8967295 Drill bit-mounted data acquisition systems and associated data transfer apparatus and method |
| 03/03/2015 | US8967294 Rechargeable battery controller |
| 03/03/2015 | US8967277 Variably configurable wellbore junction assembly |
| 03/03/2015 | US8967273 System for detecting, containing and removing hydrocarbon leaks in a subsea environment |
| 03/03/2015 | US8967253 Pump control for formation testing |
| 03/03/2015 | US8967252 Systems, methods, and devices for tagging carbon dioxide stored in geological formations |
| 03/03/2015 | US8967250 Well pumping and control system |
| 03/03/2015 | US8967244 System and method for steering in a downhole environment using vibration modulation |
| 02/28/2015 | CA2861709A1 Downhole motor sensing assembly and method of using same |
| 02/28/2015 | CA2860662A1 Method for performing a stimulation operation with proppant placement at a wellsite |
| 02/26/2015 | WO2015027177A1 Methods and devices for extra-deep azimuthal resistivity measurements |
| 02/26/2015 | WO2015027010A1 Gain compensated tensor propagation measurements using collocated antennas |
| 02/26/2015 | WO2015027002A1 Full tensor gain compensated propagation measurements |
| 02/26/2015 | WO2015026919A1 Measuring operational parameters in an esp seal with fiber optic sensors |
| 02/26/2015 | WO2015026917A1 Subsurface motors with fiber optic sensors |
| 02/26/2015 | WO2015026901A1 Modified flow rate analysis |
| 02/26/2015 | WO2015026594A1 Geophysical prospecting by processing vertical seismic profiles using downward continuation |
| 02/26/2015 | WO2015026556A1 Metal bellows condition monitoring system |
| 02/26/2015 | WO2015026555A1 Dielectric spectroscopy for filtrate contamination monitoring during formation testing |
| 02/26/2015 | WO2015026502A1 Drilling methods and systems with automated waypoint or borehole path updates based on survey data corrections |
| 02/26/2015 | WO2015026442A1 Non-intrusive pressure sensor system for pipelines |
| 02/26/2015 | WO2015026424A1 Downhole acoustic density detection |
| 02/26/2015 | WO2015026394A1 On-site mass spectrometry for liquid and extracted gas analysis of drilling fluids |
| 02/26/2015 | WO2015026358A1 Drilling fluid flow measurement in an open channel fluid conduit |
| 02/26/2015 | WO2015026337A1 Cement head remote control and tracking |
| 02/26/2015 | WO2015026332A1 Downhole drilling optimization collar with fiber optics |
| 02/26/2015 | WO2015026324A1 Subsurface fiber optic stimulation-flow meter |
| 02/26/2015 | WO2015026317A1 Evaluating wellbore telemetry systems |
| 02/26/2015 | WO2015025229A2 Apparatus for single degree of freedom inertial measurement unit platform rate isolation |
| 02/26/2015 | WO2015024814A2 Method of calculating depth of well bore |
| 02/26/2015 | US20150057934 Identifying uncertainty associated with a stimulated reservoir volume (srv) calculation |
| 02/26/2015 | US20150055142 Laser Position Finding Device Used for Control and Diagnostics of a Rod Pumped Well |
| 02/26/2015 | US20150053485 Wired or Ported Transmission Shaft and Universal Joints for Downhole Drilling Motor |
| 02/26/2015 | US20150053483 Drilling control and information system |
| 02/26/2015 | US20150053480 Kinetic penetrator beacons for multistatic geophysical sensing |
| 02/26/2015 | US20150053411 System and method for tracking sensors, markers, and fluid flows |
| 02/26/2015 | US20150053398 Method for determining an inflow profile of multilayer reservoir fluids in a wellbore |
| 02/26/2015 | US20150053393 Downhole sensor tool for logging measurements |
| 02/26/2015 | US20150052989 Metal Bellows Condition Monitoring System |
| 02/26/2015 | US20150052738 Method of Manufacturing a Logging Tool for a Borehole |
| 02/25/2015 | EP2840226A2 Signal operated tools for milling, drilling, and/or fishing operations |
| 02/25/2015 | EP2839323A2 Fluorescent nano-sensors for oil and gas reservoir characterization |
| 02/25/2015 | EP2839113A1 Determining a limit of failure in a wellbore wall |
| 02/25/2015 | EP2839112A2 Monitoring flow conditions downwell |
| 02/24/2015 | US8965704 Apparatus and method for formation resistivity measurements in oil-based mud using a floating reference signal |
| 02/24/2015 | US8965703 Applications based on fluid properties measured downhole |
| 02/24/2015 | US8965701 System and method for automatic detection and analysis of borehole breakouts from images and the automatic generation of alerts |
| 02/24/2015 | US8964504 Method and apparatus for evaluating a cemented borehole casing |
| 02/24/2015 | US8961006 Fiber optic sensing systems and methods |
| 02/24/2015 | US8960328 Drill bit with adjustable side force |
| 02/24/2015 | US8960326 Formation dip geo-steering method |
| 02/24/2015 | US8960313 Packer deployed formation sensor |
| 02/24/2015 | US8960281 Flowbore mounted sensor package |
| 02/24/2015 | US8960280 Method for determining fracture plane orientation using passive seismic signals |
| 02/24/2015 | US8960279 Erosional protection of fiber optic cable |
| 02/24/2015 | US8960272 RF applicator having a bendable tubular dielectric coupler and related methods |
| 02/24/2015 | US8960271 Downhole well communications cable |
| 02/24/2015 | US8959991 Method for estimating properties of a subterranean formation |
| 02/24/2015 | CA2797918C System and method for remote wellbore servicing operations |
| 02/24/2015 | CA2773213C Seismic source which incorporates earth coupling as part of the transmitter resonance |
| 02/23/2015 | CA2860408A1 Wired or ported transmission shaft and universal joints for downhole drilling motor |
| 02/19/2015 | WO2015023917A1 Capillary electrophoresis for subterranean applications |
| 02/19/2015 | WO2015023753A1 Fiber optic sensing apparatus and method for sensing parameters involving different parameter modalities |
| 02/19/2015 | WO2015023654A1 Method and apparatus for real time streaming and onboard recordation of video data |