173302 ⎘
Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging Structural details
Lightweight armor wires for electrical cables
#302Valve for Gases As Used In Automated System for Setting Chamber Gas Pressures
#303Downhole seismic-sonic receiver
#304Methods and devices for analyzing and controlling the propagation of waves in a borehole generated by water hammer
#305Wellbores utilizing fiber optic-based sensors and operating devices
#306Enclosures for containing transducers and electronics on a downhole tool
#307Modular downhole tool system
#308Piezocomposite transducer for a downhole measurement tool
#309Fiber optic delivery system and side pocket mandrel removal system
#310Rugged fiber optic array
#311Wellbore signal generator
#312Surface instrumentation configuration for drilling rig operation
#313Acoustic telemetry installation in subterranean wells
#314Seismic-data acquisition methods and apparatus
#315Sonde
#316Bandwidth wireline data transmission system and method
#317Acoustic transducers for tubulars
#318Through tubing real time downhole wireless gauge
#319Fluid pumping apparatus
#320Borehole acoustic source
#321Methods and apparatus for downhole inter-tool communication
#322Multi-pole transmitter source
#323Borehole navigation system
#324Providing a light cell in a wellbore
#325Matching layer assembly for a downhole acoustic sensor
#326Quadrupole acoustic shear wave logging while drilling
#327Acoustic sensor for downhole measurement tool
#328Methods and systems for seismic monitoring
#329Multimode hydrophone array
#330Azimuthally acoustic imaging logging while drilling (LWD) apparatus
#331Acoustic particles and metamaterials for use as localization and contrast agents