Changes

====Limestone====

====Limestone====

Clean limestone has no neutron-density separation (Figure 2). When the neutron drifts to higher values, expect the presence of clay. Check the natural gamma ray. In gas-filled limestone, expect cross-over like that described for sandstone, and use a Pe value of 5 to confirm limestone.

Clean limestone has no neutron-density separation ([[:file:quick-look-lithology-from-logs_fig2.png|Figure 2]]). When the neutron drifts to higher values, expect the presence of clay. Check the natural gamma ray. In gas-filled limestone, expect cross-over like that described for sandstone, and use a Pe value of 5 to confirm limestone.

====Dolomite====

====Dolomite====