This early journaling system has evolved to encompass lowering logging tools into the wellbore via wireline in order to measure porosity, resistivity, permeability, temperature, water saturation and ...

Oil and gas exploration and production (E&P) companies must perform one very important phase after drilling a well to its total depth. They need to prepare the well for production of oil or gas—in ...

Computalog U.S.A. Inc. Fort Worth, Tex. A new cased-hole logging technique can be used for prospecting in old wells, monitoring reservoir dynamics, or as an alternative when open hole logging is ...