Deep-well thermal flowmeter
Density neutron self-consistent caliper
Depth measurement of slickline
Depth referencing system for a borehole gravimetry system
Depth-discrete sampling port
Detecting and reducing bit whirl
Detection of drilling oil filtrate invasion in a core
Detection of fracturing events using derivatives of fracturing p
Determination of amount of proppant added to a fracture...
Determination of correct horizontal and vertical...
Determination of correct horizontal and vertical...
Determination of drill bit rate of penetration from surface meas
Determination of drill bit rate of penetration from surface meas
Determination of fluid influx or efflux
Determination of fracturing fluid loss rate from pressure declin
Determination of oil shale yield from well log data
Determination of steam quality in thermal injection wells
Determination of the porosity and permeability of a geological f
Determining horizontal and vertical permeabilities by...
Determining location and composition of liquid contaminants in g