Method of detecting an object in an examination zone, and device

Method of detecting carbon dioxide in a downhole environment

Method of determining drilling fluid invasion

Method of determining petro-physical information with high...

Method of determining the bulk strength of strata

Method of determining the density of substrata

Method of distinguishing between crude oils

Method of energy resolved gamma-ray logging

Method of extracting formation density and Pe using a pulsed...

Method of gain regulation for downhole spectroscopy tools withou

Method of introducing a radioactive substance into a well

Method of kick detection and cuttings bed buildup detection...

Method of logging a borehole

Method of logging a well using a non-radioactive material irradi

Method of measuring flow velocities using tracer techniques

Method of monitoring hidden coal-rock interface and transducer r

Method of porosity determination in porous media by x-ray comput

Method of processing data from a dual detector LWD density...

Method of radioactive well logging

Method of surface surveying for radioactive sources