173404 ⎘
Prospecting or detecting by methods combining techniques covered by two or more of main groups - ; Details, e.g. power supply systems for logging instruments, transmitting or recording data, specially adapted for well logging, also if the prospecting method is irrelevant Devices for positioning logging sondes with respect to the borehole wall
METHOD AND APPARATUS FOR AUTONOMOUS GRAVITY AND/OR MAGNETIC FIELD MEASUREMENT
#2APPARATUS AND METHODS FOR DETERMINING INFORMATION FROM A WELL
#3DEVICES, SYSTEMS, AND METHODS FOR GEOLOGICAL SURFACE AND PROPERTY PREDICTION
#4DEVICES, SYSTEMS, AND METHODS FOR GEOLOGICAL SURFACE AND PROPERTY PREDICTION
#5LAND SUBSIDENCE DETECTION APPARATUS
#6Device for centering a sensor assembly in a bore
#7System and method for configuring a logging module
#8Fit for purpose measurement system for drill hole logging
#9Apparatus and methods for determining information from a well
#10System and method for configuring a logging module
#11Radially adjustable outsert for a downhole sensor
#12Borehole fluid gel strength measurement
#13LOCALLY LUMPED EQUATION OF STATE FLUID CHARACTERIZATION IN RESERVOIR SIMULATION
#14Measurement-while-drilling method and device for assessing outburst risk of coal seam
#15Correcting for eccentricity of acoustic sensors in wells and pipes
#16METHOD AND APPARATUS FOR PERFORMING A SURVEY OF TUBING WHICH IS STUCK IN A BOREHOLE, E.G. FOR DETERMINING A FREE POINT
#17Apparatus and methods for determining information from a well
#18Systems and methods for holding wireline device against well
#19High resolution composite seismic imaging, systems and methods
#20Tool, system and a method for determining barrier and material quality behind multiple tubulars in a hydrocarbon wellbore
#21Methods of drilling with resistivity tools
#22Ring assembly for measurement while drilling, logging while drilling and well intervention
#23Identifying oil and gas reservoirs with oxygen isotopes
#24BOREHOLE DRILLING USING ACTUAL EFFECTIVE TILT ANGLES
#25Optimized directional drilling using MWD data
#26Parallel reservoir simulation with accelerated aquifer calculation
#27Systems and methods employing an acoustic caliper tool with tool inclination correction
#28Method and system for determining downhole optical fiber orientation and/or location
#29Downhole activation of seismic tools
#30Downhole tool measurement device mounting system and method
#31Downhole tool with radial array of conformable sensors for downhole detection and imaging
#32Locally lumped equation of state fluid characterization in reservoir simulation
#33System and method for correction of downhole measurements
#34Borehole logging sensor and related methods
#35Downhole tool measurement device mounting system and method
#36Reservoir recovery simulation process and system
#37Method and system for determining downhole optical fiber orientation and/or location
#38Closed-loop speed/position control mechanism
#39Subterranean imager tool system and methodology
#40Anchoring mechanism and method for down-hole tool
#41LWD resistivity imaging tool with adjustable sensor pads
#42Smart Drop-off tool and hang-off tool for a logging string
#43Seismic device with sealed housing and related methods
#44Method and apparatus for transmitting or receiving information between a downhole equipment and surface
#45Remotely actuated clamping devices for borehole seismic sensing systems and methods of operating the same
#46Magnetically clamping a downhole component to a direction of a borehole casing
#47Determining perforation orientation
#48Method and apparatus for pipe-conveyed well logging
#49Fixture structure for reusing underground micro-seismic sensor
#50Well access tools
#51Geomechanical logging tool
#52Retrievable vertical hydrophone cable and method
#53Apparatus and method for positioning and orienting a borehole tool
#54SYSTEM AND METHOD FOR CORRECTION OF DOWNHOLE MEASUREMENTS
#55Deployment Mechanism for Well Logging Devices
#56Smart drop-off tool and hang-off tool for a logging string
#57Apparatus and method for determining formation anisotropy
#58Positioning tool
#59Borehole Imaging and Formation Evaluation While Drilling
#60Method and apparatus for logging a wellbore
#61Downhole sensor assembly and method of using same
#62Anti-locking device for use with an arm system for logging a wellbore and method for using same
#63Arm system for logging a wellbore and method for using same
#64Borehole sensing and clamping systems and methods of using the same
#65DOWNHOLE TOOL MEASUREMENT DEVICE MOUNTING SYSTEM AND METHOD
#66Ultrasonic measurements performed on rock cores
#67Device orientation determination
#68METHOD AND SYSTEM FOR MONITORING A LOGGING TOOL POSITION IN A BOREHOLE
#69Method and apparatus for transmitting or receiving information between downhole equipment and surface
#70Wellbore steering based on rock stress direction
#71Phase wellbore steering
#72MEASURING PROBE FOR OIL AND GAS WELLS AND/OR CASINGS
#73Method and apparatus for controlled bidirectional movement of an oilfield tool in a wellbore environment
#74Interleaved arm system for logging a wellbore and method for using same
#75Method and apparatus for pipe-conveyed well logging
#76Expandable downhole tool
#77Apparatus and method for motion correction to sensor measurements
#78Downhole tools utilizing electroactive polymers for actuating release mechanisms
#79Sonde
#80Wellbore production tool and method
#81Method and apparatus for long term seismic monitoring
#82System and method for reducing the borehole gap for downhole formation testing sensors
#83Apparatus and method of controlling motion and vibration of an NMR sensor in a drilling BHA
#84Downhole uses of electroactive polymers
#85Highly integrated logging tool
#86PAD ASSEMBLY FOR LOGGING TOOL
#87Anchor arm for seismic logging tool
#88Sensor system
#89Sonde
#90Apparatus and methods for pressure compensated contact with the borehole wall
#91Multi-probe multi-frequency nuclear magnetic resonance rock soil in-situ monitoring system
#92Battery-operated position sensor assembly for wellbore intervention