173332 ⎘
Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
Apparatus and method for logging in boreholes with a non-circular section
#302Multi-axial antenna and method for use in downhole tools
#303System and method for displaying data associated with subsurface reservoirs
#304Protection of a multidirectional antenna
#305Signal transmission system
#306Electronic humidity chamber for vapor desorption to determine high capillary pressures
#307Logging tool sonde sleeve
#308Electronic humidity chamber for vapor desorption to determine high capillary pressures
#309Sonde System Including Rotationally and Vertically Offset Tools
#310Estimating formation properties from downhole data
#311High-frequency induction imager with concentric coils for MWD and wireline applications
#312Electronic humidity chamber for vapor desorption to determine high capillary pressures
#313Subterranean magnetic field protective shield
#314Automated bore planning system for horizontal directional drilling
#315Dynamic diameter measurement device for downhole wireline cables
#316Isolated switch driving circuit
#317Subsurface data transfer using well fluids
#318Well monitoring and pressure controlled landfill pump
#319Dynamic drilling monitoring system
#320Drilling rig for horizontal, lateral, and directional drilling that is adjustable in real time