173226 ⎘
Seismology; Seismic or acoustic prospecting or detecting; Generating seismic energy using mechanical driving means, e.g. motor driven shaft by deforming or displacing surfaces, e.g. by mechanically driven vibroseis™
LINEAR MOTOR DRIVING MEANS FOR ACOUSTIC EMITTERS
#2MARINE SEISMIC ACQUISITION SYSTEM AND RELATED APPARATUS
#3Seismic marine vibrator
#4Mono and Dipole Acoustic Projector
#5Compact Seismic Source for Low Frequency, Humming Seismic Acquisition
#6Seismic source with chamber for housing wave generator
#7Amplitude control for resonant seismic source depth excursions
#8Marine Seismic Vibrators and Methods of Use
#9Dipole Source
#10VIBRATION WHILE DRILLING ACQUISITION AND PROCESSING SYSTEM
#11Continuous resonance marine vibrator
#12Method of packaging and deploying marine vibrator
#13Fluid pressure waveform generator and methods of use
#14Compact seismic source for low frequency, humming seismic acquisition
#15Compact seismic source for low frequency, humming seismic acquisition
#16Steerable marine geophysical source
#17Vibratory source for non-vertical boreholes and method
#18Marine seismic vibrator for low frequency and methods of use
#19Resonating gas seismic source
#20Modular projector for marine seismic source
#21Tunable resonance in a resonating gas seismic source
#22High-performance dipole acoustic transmitter
#23Method and system for pneumatic control for vibrator source element
#24Apparatus with thermal stress relief mechanism for heat generating coil and associated methods
#25Distributed seismic source array for use in marine environments
#26Method for calibrating the far-field acoustic output of a marine vibrator
#27Multiple actuator vibrator
#28Vibrator truck with a lift system comprising at least one flexible strap
#29Control system for marine vibrators operating near impulsive seismic signal sources
#30Acoustic dipole piston transmitter
#31Air-spring compensation in a piston-type marine vibrator
#32Deterministic phase correction and application
#33Method for separating seismic source data
#34Compact seismic source for low frequency, humming seismic acquisition
#35Operational control in a seismic source
#36Harmonic Attenuation Using Multiple Sweep Rates
#37Piston integrated variable mass load
#38Low frequency marine acoustic vibrator
#39Gas spring compensation marine acoustic vibrator
#40Pressure-compensated sources
#41Seismic receivers as seismic sources
#42Method and system for pneumatic control for vibrator source element
#43Marine seismic vibrators and methods of use
#44Method of optimizing seismic vibrator output force
#45Constant energy displacements
#46Apparatus for the generation of waves in the marine environment by means of impacting pistons and gas, hydraulic, vapour and electromagnetic launching system for acquisition of seismic data
#47Simultaneous composite land seismic sweep
#48Active isolation apparatus
#49Electrical energy accumulator
#50Distinctive land seismic sweep
#51Quasi-impulsive displacement source
#52Alternative vibrator actuator source
#53Determination of near surface geophyscial properties by impulsive displacement events
#54Electromagnetically driven marine vibrator
#55Electromagnetic linear actuators for marine acoustic vibratory sources
#56Seismic vibrator having composite baseplate
#57Gas-filled bubble seismo-acoustic source
#58Baseplate dampening pad
#59Marine acoustic vibrator having enhanced low-frequency amplitude
#60Marine mechanical seismic source
#61Oscillator in liquid
#62Piezoelectric actuator for downhole applications
#63Marine seismic source
#64SYSTEM FOR DETECTING AN OBJECT IN A MONITORING AREA
#65Bottom referenced vibratory sources for shallow water acquisition
#66Harmonic attenuation using multiple sweep rates
#67Volumetric displacement transducer for an underwater acoustic source
#68Seismic vibrator having multiple resonant frequencies in the seismic frequency band using multiple spring and mass arrangements to reduce required reactive mass
#69Downhole tools utilizing electroactive polymers for actuating release mechanisms
#70Downhole uses of electroactive polymers
#71Seismic source and method of generating a seismic wave in a formation
#72Hydraulic motor arrangement and method of operating a hydraulic motor
#73Method and apparatus for generating shear waves usable in determining distribution and orientation of geologic features in the subsurface among other uses