Page 168 - Basic Well Log Analysis for Geologist

LOG INTERPRETATION CASE STUDIES

CALIPER diem. In inches RESISTIVITY ohme. My.)
MICRO- SFL
SHALLOW LATEROLOG -LLs
1
-
DEEP LATEROLOG LLad

DEPTH
7ar
at
nee
RMF
meas
temp |
Gdb
ut
ee
eee
pe
ut
8-44
RMC
=
temp
; BIT
SiZE
ut mags
|Thermometer Broke
MAX REC TEMP
TYPE FLUID IN HOLE
,
MUD
SALT
pe
at meas tem
) RM
O56
at
74°F
Law at megs feme
coe

Dual Laterolog*—-MSFL* with gamma ray log and caliper. Mississippian Mission Canyon Formation, Williston
Figure 61.
basin.
From a depth of 9,308 to 9,408 ft, note:
1. The separation of the three resistivity logs which read the following resistivities:
Resei* (R,.)—low resistivity
Rits (R,)—intermediate resistivity
Rig (R,)—high resistivity
2. This type of resistivity profile on a Dual Laterolog*-—-MSFL* indicates the presence of hydrocarbons (see
Chapter I; Fig. 7B).
mn ad