Alcohol-in-oil drilling fluid system
Analyzing for helium in drilling muds to locate geothermal reser
Apparatus and method for cleaning and sealing a well...
Apparatus and method for environmental surveying for contaminant
Apparatus and method for environmental surveying for contaminant
Apparatus and method for formation testing while drilling...
Apparatus and method for formation testing while drilling...
Apparatus and method for obtaining downhole samples
Apparatus and method of identifying rock properties while...
Apparatus and method of identifying rock properties while...
Apparatus and methods for imaging wells drilled with...
Apparatus and methods for measuring formation...
Apparatus and methods for sampling and testing a formation...