| Patents for E21B 47 - Survey of boreholes or wells (31,352) |
|---|
| 04/17/2007 | CA2436485C Replaceable antennas for subsurface monitoring apparatus |
| 04/17/2007 | CA2378748C Core orientation |
| 04/13/2007 | WO2007041823A1 Method and system for optimizing downhole fluid production |
| 04/12/2007 | WO2007038940A1 A boring head, a method and an apparatus for accomplishing a conveyance line boring operation |
| 04/12/2007 | WO2006138651A3 System and method for acquiring information during underground drilling operations |
| 04/12/2007 | WO2006130178A3 Multi-purpose downhole tool |
| 04/12/2007 | US20070083331 Methods and systems for determining reservoir properties of subterranean formations with pre-existing fractures |
| 04/12/2007 | US20070081773 Telecommunication optical cable for gas pipeline applications having built-in leakage detecting device |
| 04/12/2007 | US20070079968 Hydraulic Control and Actuation System for Downhole Tools |
| 04/11/2007 | EP1451445B1 A device and a method for electrical coupling |
| 04/11/2007 | CN2888070Y Optical fiber type multi-point temperature and pressure measuring device for thick oil horizontal well |
| 04/11/2007 | CN2888069Y Detection tool for downhole water injection string |
| 04/11/2007 | CN2888068Y Portable oil-well data-acquiring bluetooth measuring device |
| 04/11/2007 | CN1947005A Apparatus and methods for acoustically determining fluid properties while sampling |
| 04/11/2007 | CN1946920A Method and apparatus for downhole fluid analysis for reservoir fluid characterization |
| 04/11/2007 | CN1944953A Method and apparatus for determining position in a pipe |
| 04/11/2007 | CA2563039A1 Borehole generator |
| 04/10/2007 | US7201240 Biased insert for installing data transmission components in downhole drilling pipe |
| 04/10/2007 | US7201236 Apparatus and method for tracking multiple signal emitting objects |
| 04/10/2007 | US7201231 Apparatuses and methods for deploying logging tools and signalling in boreholes |
| 04/10/2007 | US7201230 Hydraulic control and actuation system for downhole tools |
| 04/10/2007 | US7201226 Downhole measurement system and method |
| 04/10/2007 | US7201221 Wellbores utilizing fiber optic-based sensors and operating devices |
| 04/10/2007 | CA2536468C Expandable connector for borehole tubes |
| 04/10/2007 | CA2436056C Electromagnetic borehole surveying method |
| 04/10/2007 | CA2433661C Method and apparatus employing phase cycling for reducing crosstalk in downhole tools |
| 04/10/2007 | CA2282810C Drill string telemetry |
| 04/10/2007 | CA2090586C Physical data acquisition system and method for use in drilling process |
| 04/05/2007 | WO2007038413A2 A method and apparatus for elemental analysis of a fluid downhole |
| 04/05/2007 | WO2007037721A1 Method for seismic monitoring of a formation hydraulic fracturing |
| 04/05/2007 | WO2007019292A3 Surface communication apparatus and method for use with string telemetry |
| 04/05/2007 | US20070075874 Downhole telemetry system for wired tubing |
| 04/05/2007 | DE102006042744A1 Vorrichtung und Verfahren für die Übertragung von Bohrlochdaten Device and method for the transmission of downhole data |
| 04/05/2007 | CA2624225A1 Seismic hydraulic-fracture monitoring technology (variants) |
| 04/05/2007 | CA2623526A1 A method and apparatus for elemental analysis of a fluid downhole |
| 04/04/2007 | CN2886080Y Suspension case for mud pulse generator of steering tool |
| 04/04/2007 | CN2886079Y Mobile oil-well yield metering device |
| 04/04/2007 | CN2886078Y Blowout-prevention pipe support without the need of manually lifting and reclaiming instruments for use in water injection well testing |
| 04/04/2007 | CN1940252A Wellbore telemetry system and method |
| 04/04/2007 | CN1940251A Intelligent seal-verifying flow adjustment and adjuster |
| 04/04/2007 | CN1308702C Method and apparatus for lwd shear velocity measurement |
| 04/03/2007 | US7200539 Method of predicting the on-set of formation solid production in high-rate perforated and open hole gas wells |
| 04/03/2007 | US7200070 Downhole drilling network using burst modulation techniques |
| 04/03/2007 | US7199869 Combined Bragg grating wavelength interrogator and Brillouin backscattering measuring instrument |
| 04/03/2007 | US7198118 Communication adapter for use with a drilling component |
| 04/03/2007 | US7198102 Automatic downlink system |
| 04/03/2007 | CA2313884C Method for characterization of rock strata in drilling operations |
| 03/29/2007 | WO2007035128A1 Well jet device and the operating method thereof |
| 03/29/2007 | WO2007034273A1 Protective barrier for small devices |
| 03/29/2007 | WO2007034152A1 Apparatus and method for continuous measurement of a physical property of a drilling fluid |
| 03/29/2007 | WO2007034131A1 Electro-chemical sensor |
| 03/29/2007 | WO2006127833A3 A method and apparatus for reservoir characterization using photoacoustic spectroscopy |
| 03/29/2007 | WO2006119022A3 Rotary steerable motor system for underground drilling |
| 03/29/2007 | US20070069732 Flux Orientation Locating in a Drilling System |
| 03/29/2007 | US20070068673 Well casing-based geophysical sensor apparatus, system and method |
| 03/29/2007 | US20070068672 System and method for determining a flow profile in a deviated injection well |
| 03/29/2007 | US20070068262 Fiber Optic Differential Pressure Sensor |
| 03/29/2007 | US20070068242 Method and apparatus for elemental analysis of a fluid downhole |
| 03/29/2007 | DE102006043865A1 Bohranlagen-Kommunikationssystem und -verfahren Rig communication system and method |
| 03/29/2007 | CA2623376A1 Well jet device and the operating method thereof |
| 03/29/2007 | CA2623013A1 Apparatus for downhole fluids analysis utilizing micro electro mechanical systems (mems) or other sensors |
| 03/29/2007 | CA2623001A1 Protective barriers for small devices |
| 03/28/2007 | EP1767741A2 Real-time control system and method for controlling an underground boring machine |
| 03/28/2007 | CN2883670Y Multifunction high efficiency tubing inside calliper |
| 03/28/2007 | CN2883669Y Inspecting wellhead data acquisition instrument |
| 03/28/2007 | CN2883668Y Implanted pressure temp tester for electrical pumping well |
| 03/28/2007 | CN2883667Y Flowmeter positioner |
| 03/28/2007 | CN2883666Y Operation soft dredger |
| 03/28/2007 | CN1936269A Three-layer water-searching pipe column for oil-pumping well in oil field and water-searching method |
| 03/28/2007 | CN1936264A Method for designing well-drilling borehole track |
| 03/28/2007 | CN1936263A Design-while-drilling method for controlling borehole track while drilling well |
| 03/28/2007 | CN1307434C Acoustic logging device and method for acquiring underground parameter information |
| 03/27/2007 | US7195083 Three dimensional steering system and method for steering bit to drill borehole |
| 03/27/2007 | US7195062 Measurement-while-drilling assembly using real-time toolface oriented measurements |
| 03/27/2007 | US7195033 Method and system for determining and controlling position of valve |
| 03/27/2007 | CA2433314C Apparatus system and method for gas well site monitoring |
| 03/27/2007 | CA2362543C Analysis of downhole formation fluid contaminated by oil-based mud |
| 03/22/2007 | WO2007033126A2 Measurement while drilling apparatus and method of using the same |
| 03/22/2007 | WO2007033070A2 Method and system for evaluating task completion times to data |
| 03/22/2007 | WO2007033040A2 Method for evaluating rig data |
| 03/22/2007 | WO2007033024A2 Method and system for evaluating weight data from service rig |
| 03/22/2007 | WO2007033001A2 Method and system for setting and analyzing tubing target pressures for tongs |
| 03/22/2007 | US20070067107 Method and system for setting and analyzing tubing target pressures for tongs |
| 03/22/2007 | US20070065337 Apparatus and method for measuring concentrations of scale-forming ions |
| 03/22/2007 | US20070062696 Methods and Apparatus for Photonic Power Conversion Downhole |
| 03/22/2007 | US20070062695 Protective barriers for small devices |
| 03/22/2007 | US20070062694 Apparatus and methods for creation of down hole annular barrier |
| 03/22/2007 | US20070062693 System, method, and apparatus for degassing tool for coal bed methane gas wells |
| 03/22/2007 | US20070062692 Wellsite communication system and method |
| 03/22/2007 | US20070062691 Methods of formulating a cement composition |
| 03/22/2007 | US20070062307 Flow meter using an expanded tube section and sensitive differential pressure measurement |
| 03/22/2007 | US20070062274 Apparatus for downhole fluids analysis utilizing micro electro mechanical system (MEMS) or other sensors |
| 03/22/2007 | US20070062273 Fluid flow model and method of using the same |
| 03/22/2007 | US20070062271 Method of calibrating an ophthalmic-lens-piercing machine, device used to implement one such method and ophthalmic-lens-machining apparatus comprising one such device |
| 03/22/2007 | DE102006043346A1 Bohrlochtelemetriesystem und -verfahren Downhole telemetry system and method |
| 03/22/2007 | CA2839478A1 Method and system for evaluating weight data from a service rig |
| 03/22/2007 | CA2621592A1 Method and system for setting and analyzing tubing target pressures for tongs |
| 03/22/2007 | CA2621550A1 Method and system for evaluating task completion times to data |
| 03/22/2007 | CA2621546A1 Method and system for evaluating weight data from service rig |
| 03/22/2007 | CA2621544A1 Method for determining block properties of a service rig by evaluating rig data |