3D-Geometry for demultiple

Question 1

3D geometry for demultiple

List 3 types of linear shot noise

Answer 1

air waves
ground roll
backscatter

Question 2

3D geometry for demultiple

what process is used to attenuate multiples and linear shot noise ?

Answer 2

CMP stack

Question 3

3D geometry for demultiple

What is the affect of summing or stacking data?

Answer 3

improves S/N ratio

Question 4

3D geometry for demultiple

Name 2 attributes of the traces in a CMP bin that determines the effectivement of attenuation of multiples and other noise types.

Answer 4

offset distribution and azimuth distribution

Question 5

3D geometry for demultiple

Which of the 2 attributes (offset or azimuth distribution) determines if the CMP stack noise component of the recorded seismic data would vary from bin to bin ?

Answer 5

offset distribution

Question 6

3D geometry for demultiple

list the main parameters that should be the same when creating different geometries for analysis

Answer 6

same max offset
group interval
same no. channels
same fold