173304 ⎘
Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging; Structural details Mounting of transducers
Cement Evaluation With Coated Pipe
#2FREQUENCY DOMAIN STACKING OF ACOUSTIC DIPOLE LWD MEASUREMENTS
#3While drilling single well seismic profiling acquisition system using drill bit seismic data
#4Wedge-Cut Backing Of Acoustic Transducer For Improved Attenuation
#5SYSTEM AND METHOD FOR DETERMINATIONS ASSOCIATED WITH PIPE ECCENTRICITY
#6Acoustic sensor self-induced interference control
#7Systems and methods for isolation detection using a symmetry invariant log
#8Circular Downhole Ultrasonic Phased Array
#9Sensor module, sensor assembly and acoustic logging tool
#10Communication and location system for an autonomous frack system
#11Air layer for improved performance of transducer at low frequencies
#12Downhole ultrasound image correction in oil based mud
#13Elastomer sensor clamping
#14Automatic recognition of environmental parameters with azimuthally distributed transducers
#15Wellhead growth monitoring system
#16Acoustic sensor systems and methods
#17Circular downhole ultrasonic phased array
#18Downhole acoustic device
#19Acoustic sensor self-induced interference control
#20Quadruple transmitter and methods to determine wave velocities of a downhole formation
#21Apparatus of Automatic Resonance Frequency Matching for Downhole Application
#22Sensing-acquisition-wireless transmission integrated microseismic monitoring system and method
#23Acoustic receivers with cylindrical crystals
#24Ultrasonic beam focus adjustment for single-transducer ultrasonic assembly tools
#25B annulus acoustic pressure sensing
#26Measurement-while-drilling method and device for assessing outburst risk of coal seam
#27Echo detection and measurement in noisy environment for downhole logging
#28Downhole ultrasound image correction in oil based mud
#29Device and method for measuring dynamic evolution of three-dimensional disturbed stress under mining disturbance
#30Tiltmeter for EAT applications
#31Tool, system and a method for determining barrier and material quality behind multiple tubulars in a hydrocarbon wellbore
#32Multi-directional ultrasonic transducer for downhole measurements
#33Ring assembly for measurement while drilling, logging while drilling and well intervention
#34Wellbore leakage detection tool and method for assembling such tool
#35Vertical Seismic Profiling
#36DOWNHOLE ACOUSTIC SYSTEM FOR DETERMINING A RATE OF PENETRATION OF A DRILL STRING AND RELATED METHODS
#37Acoustic receivers with cylindrical crystals
#38Acoustic emission monitoring and transmission system for engineering rock mass
#39Diagnostic device for a seismic probe and associated method
#40Acoustic coupler for downhole logging while drilling applications
#41Using electro acoustic technology to determine annulus pressure
#42Azimuthal determination of subterranean acoustic reflectors
#43Fluid pressure waveform generator and methods of use
#44Acoustic transducer
#45Pressure balanced transducer assembly and measurement tool
#46FIBER OPTIC DISTRIBUTED ACOUSTIC SENSOR OMNIDIRECTIONAL ANTENNA FOR USE IN DOWNHOLE AND MARINE APPLICATIONS
#47Ultrasonic beam focus adjustment for single-transducer ultrasonic assembly tools
#48Downhole activation of seismic tools
#49Downhole acoustic mapping
#50Compact single conductor transmission line transducer for telemetry in borehole drilling
#51Adjustable acoustic transducers for a downhole tool
#52Encapsulated phased array segment for downhole applications
#53Downhole tool measurement device mounting system and method
#54In-situ borehole fluid speed and attenuation measurement in an ultrasonic scanning tool
#55Collection And Display Of Acoustic Data For Integrated Quality Control
#56Push-the-bit rotary guiding device and application method thereof
#57Acoustic logging tool utilizing fundamental resonance
#58Measuring frequency-dependent acoustic attenuation
#59Magnetic casing clamping system
#60Monitoring cement sheath integrity using acoustic emissions
#61Downhole tool measurement device mounting system and method
#62Methods and systems for identifying and plugging subterranean conduits
#63A BOREHOLE SEISMIC TOOL AND METHOD OF SEISMIC SURVEYING
#64Controlled-frequency downhole seismic source
#65Bender bar transducer with at least three resonance modes
#66Three-phase flow identification and rate detection
#67Distributed seismic source array
#68Bender bar transducer having stacked encapsulated actuators
#69Downhole sensor flap and method of using same
#70Acoustic transducer apparatus, systems, and methods
#71Remotely actuated clamping devices for borehole seismic sensing systems and methods of operating the same
#72Acoustic telemetry with distributed acoustic sensing system
#73Seismic methods and systems employing flank arrays in well tubing
#74Methodologies to Improve Reliability of Transducer Electrical Interconnections
#75Acoustic transducers with dynamic frequency range
#76Acoustic transducers using quantum tunneling composite active elements
#77DOWNHOLE TOOL MEASUREMENT DEVICE MOUNTING SYSTEM AND METHOD
#78Enclosures for containing transducers and electronics on a downhole tool
#79Apparatus, system and method for flexibly coupling sensors to a downhole tool
#80Methods and systems for seismic monitoring
#81Multimode hydrophone array
#82Azimuthally acoustic imaging logging while drilling (LWD) apparatus