The Fluid Density Inertial (FDI) tool uses the inertial response characteristics of a vibrating tuning fork to determine the density of the wellbore fluid mixture. The FDI tool is a non-radioactive method of determining density that is unaffected by well deviation.
Service Name | FDI |
| Length | 522 mm / 20.55 in |
| Weight | 3.6 kg / 7.94 lbs |
| OD | 43 mm / 1.688 in |
| Maximum Pressure | 1030 bar / 15 000 psi |
| Maximum Temperature | 177 °C / 350 °F |