Products & Services
About Us
Investors
Newsroom
HSE
Careers
Alumni
Resources
Contact
Oilfield Glossary
Search for term:
Search by discipline:
All Disciplines
Drilling
Drilling Fluids
Formation Evaluation
Geology
Geophysics
Heavy Oil
Oil and Gas Business
Perforating
Production Enhancement
Production Facilities
Production Logging
Production Testing
Reservoir Characterization
Well Completions
Well Testing
Well Workover
More search options
Terms beginning with:
#
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
All
Resource Links
Oilfield Services
Schlumberger Excellence
in Educational Development
Oilfield Review
Curve Mnemonic Dictionary
Feedback
We welcome your suggestions and questions:
E-mail glossary@slb.com
Credits & Bibliography
Contributors and references
You are here:
SLB.com
>
Resources
>
Oilfield Glossary
abnormal events
1.
n.
[Geophysics]
ID: 559
A term to indicate features in
seismic
data other than reflections, including events such as diffractions, multiples, refractions and surface waves. Although the term suggests that such events are not common, they often occur in seismic data.
See:
diffraction
,
event
,
multiple reflection
,
reflection
,
refraction
,
surface wave
More search options