DrillingTechnologies
Oil well drilling is a complex operation and the drilling industry engages…
Resistivity logging
Resistivity logs are electrical well logs that record the resistivity of a…
Acoustic logging
Petroleum applications of acoustic-wave-propagation theory and physics include both: · Surface-geophysical methods · Borehole-geophysical…
Neutron porosity logs
The neutron-porosity log first appeared in 1940. It consisted of an isotopic…
Openhole caliper logs
Openhole caliper logs provide data used in completion planning. Openhole calipers can…
Spontaneous potential logging
Spontaneous potential log, commonly called the self potential log or SP log, is a passive measurement…
Formation evaluation
In petroleum exploration and development, formation evaluation is used to determine the ability of a borehole…
Mud logging
Mud logging, in its conventional implementation, involves the rig-site monitoring and assessment…
How Does Logging-While-Drilling (LWD) Work?
For centuries, drillers (whether drilling for oil or water) have been keeping…
Well logging
Well logging, field technique used in mineral exploration to analyze the geologic…




