Page 185 - Standard Handbook Petroleum Natural Gas Engineering VOLUME2

154 Reservoir Engineering

PERMEABLE
M (NORMAL) FOR M AT10 N

MUD
CAKE

FORMATION
(C 1
Figure 5-85. Electrode arrangements for various microresistivity devices:(a)
microlog; (b) microspherically focused log; (c) microlaterolog; (d) location of
the micro pad on the dual laterolog sonde [58,200,205].