Презентация на тему Geophysical Well Logging

the physical properties
of surrounding rocks with a sensor located

in a
borehole.
The record of the measurements as a function
of depth is called a well log.

Well Logging Technology

coring) in the United States was in 1929
when Doll

noted spontaneous potentials (SP) and
that negative SP was associated with permeable formations.

drilling. This is at once an expensive technique and

a limited one Drilling costs invariably limit the number of holes that can be drilled.

geophysical studies in the well: 1 - wellhole tool;

2 - the cable; 3 - block-balance; 4 - logging laboratory; 5 - dielectric log, characterizing the change in the phase of the electromagnetic field; 6 - the curve of acoustic logging, characterizing the change in the coefficient. porosity.

result of poor depth inbound logging. This will create

discrepancies in thin-layered strata and lead to incorrect interpretation of rock types

Before correction

After correction

Deep interconnection of GIS