{"version":"1.0","type":"link","title":"Spontaneous potential logging - Newikis","description":"Spontaneous potential log, commonly called the self potential log or SP log, is a passive measurement taken by oil industry well loggers to characterise rock formation properties. The log works by measuring small electric potentials (measured in millivolts) between depths with in the borehole and a…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}