[[file:applying-gravity-in-petroleum-exploration_fig15-12.png|left|300px|thumb|{{figure number|1}}(left) The difference between the BHGM density measurements and the gamma-gamma log density measurements. (right) Density values measured by the BHGM (left line) and the gamma-gamma tools (right line). Copyright: Rasmussen;<ref name=Rasmussen>Rasmussen, N. F., 1975, The successful use of borehole gravity meter in northern Michigan: The Log Analyst, September-October, p. 1-10</ref> courtesy ''The Log Analyst''.]] | [[file:applying-gravity-in-petroleum-exploration_fig15-12.png|left|300px|thumb|{{figure number|1}}(left) The difference between the BHGM density measurements and the gamma-gamma log density measurements. (right) Density values measured by the BHGM (left line) and the gamma-gamma tools (right line). Copyright: Rasmussen;<ref name=Rasmussen>Rasmussen, N. F., 1975, The successful use of borehole gravity meter in northern Michigan: The Log Analyst, September-October, p. 1-10</ref> courtesy ''The Log Analyst''.]] |